Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
LI82.62-P-078631
Service Bulletin/Repair Instructions
Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary, create a TIPS case with an informative video as an attachment. Information: Please refer to this document in the warranty claim and, after completing diagnosis, select the damage code corresponding to the component part that caused the problem. • If the noise stops when the door trim is removed, please proceed in accordance with LI72.10-P-067691. Information: In this case, do not use a damage code for the speakers in the warranty claim!
LI35.30-P-058566
Service Bulletin/Repair Instructions
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the problem is due to cracking of the microweld between the wheel bearing inner race and the joint housing of the side shaft. Note: The collar nut must always be replaced after being loosened. See also LI33.20-P-078406 Remedy Coat contact surface of side shaft with wheel bearing with Molykote paint. To do this, proceed as follows: 1. Remove side shafts 2. Clean contact surface A (see image file in attachment "Outer joint housing before") before coating with Molykote, using "spirit" (free of dust and grease) 3. Coat contact surface A (see image file in attachment "Outer joint housing after") with Molykote and leave to dry for "one hour" in removed condition 4. Reinstall side shafts Note: Before using the antifriction coating (Molykote), stir it or shake it thoroughly for (at least 1 minute).
LI82.85-P-080507
Service Bulletin/Repair Instructions
Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N112/9) control unit: event code B15CE00 is ACTIVE and STORED (A+S) • Vehicle Documentation System: For the HERMES control unit, the EID1, EID2, ICCID, IMEI, IMSI, TELNR fields in the "Identification/Serial number" column have the value "-" Cause Still under analysis Remedy Recommission the HERMES control unit (N112/9) with XENTRY Diagnosis 03/2026 and add-on 33399 installed or carry out the procedure with a newer version of XENTRY Diagnosis: XENTRY→ "N112/9 - Control unit for telematics services (HERMES)" -> "Adaptations" -> "Control unit commissioning" -> "Commissioning of previously installed control unit"
LI82.30-P-059239
Service Bulletin/Repair Instructions
Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement water is pulled back onto the windshield from the A-pillar (Figure 1) D: After windshield cleaning, water keeps spraying onto the windshield for several wipe cycles (Figure 2) A1: The windshield and wiper blades are contaminated with residues from car washing facilities, identifiable by the water beading. The resulting differences in the friction values between the wiper blades and the windshield can excite the wiper blades to vibrate. Note: It is mostly wax residue from the washer system, but also water-repellent nano-particle coating for paint and/or silicone-based washer fluid, that could cause this problem. A partially dry windshield also has different friction values, which can likewise result in squeaking of the wiper blades A2: The wiper blades are worn by mechanical damage (wiper lip damaged by ice or insect debris, or deformed by long periods of disuse). A3: Incorrect angle of incidence of the wiper arms to the windshield. Because of this, the rubber lip of the wiper blade may not flip over at the reversal point. Cause B: B1: Wax/ dirt residues on the windshield B2: Wiper blades deformed or worn B3: Downforce of wiper arm not OK (Figure 3) Cause C: Water is pulled back onto the windshield by the differential pressure created as the wiper arm moves downwards. Cause D: Washer water collects in the fastening of the wiper blade and is blown onto the windshield by the airstream over several wipe cycles. Note and supporting information: Wiper blades are wear parts which, even when "not used" for long periods (kept in park position), may become permanently deformed and damaged. Further stresses on the rubber wiper blade arise due to various environmental influences which progressively change the effectiveness of the rubber wiper blade and accelerate the aging process. Due to the natural aging process and wear, the wiper blades should be replaced twice a year, preferably in Spring and Fall (see operator's manual). Remedy Remedy A: A1: Cleaning entire windshield with A 000 986 40 71. A2: Checking water's flow behavior after windshield has been cleaned (see Video 1). If, after cleaning, there are still areas with water beading, then the cleaning process must be carried out again until a rejection reaction is no longer present. • Note: On the vehicle in the video (Video 1), water still beads on the bottom left of the windshield. The windshield is still not properly clean, even though it appears to be clean. The windshield is only properly clean when there are no more areas on the windshield where water beads. A3: Replace wiper blades with genuine wiper blades. Important: Only exchange wiper blades if windshield no longer has water-repellent areas Note: Replacement of wiper blades is not covered under warranty and can be replaced at the expense of the customer. Remedy B: B1: Clean windshield with intensive cleaner A 000 986 40 71. Important: Do not clean the wiper blades otherwise the graphite coating will be damaged. B2: Replace wiper blades with genuine wiper blades • Note: Replacement of wiper blades is not covered under warranty and can be replaced at the expense of the customer. B3: Check the wiper arm for excessive resistance in the bearing. Restore mobility or replace wiper arm if necessary. Remedy C: Problem inherent in design for which there is no technical remedy. Exception: X204 up to 02/2014. In these vehicles, it is possible to install the design configuration of vehicles as of 02/2014. This includes wiper arms (styled arms) with improved behavior in this respect. It is also necessary to replace the wiper blades because the styled arms feature a Top Lock connection (previously Side Lock).
LI82.10-P-078301
Service Bulletin/Repair Instructions
Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm is fitted in the housing cover, then the lamp unit is a "closed system". Remedy Headlamp: Remedy 1 Clearing fogged/condensed LED headlamps: 1. Drive vehicle into workshop (temperature higher than +18 °C/+64.4 °F) and connect the exhaust extraction. Note: Do not perform an engine wash before the defogging test. 2. Switch off the engine and connect battery support via a charger. 3. Open the hood. 4. Switch on the lights. 5. Leave the vehicle in this state for 60 minutes. 6. Check for formation of condensation, a significant reduction in the formation of condensation must be clearly recognizable (thawing progress). Clearing of fogged/condensed LED headlamps and LED rear lamps on electric vehicles: 1. Drive the vehicle into the workshop (temperature higher than +18 °C/+64.4°F). 2. Connect battery backup via a charger. 3. Open the front-end flap and ensure sufficient ventilation. 4. Switch on the lights. 5. Leave the vehicle in this state for 60 minutes. 6. Check for formation of condensation, a significant reduction in the formation of condensation must be clearly recognizable (thawing progress). Clearing fogged/condensed halogen/xenon headlamps: 1. Drive the vehicle into the workshop (temperature higher than +18 °C/+64.4°F). Note: Do not perform an engine wash before the defogging test. 2. Switch off the engine. 3. Open the hood. 4. Switch off the lights. 5. Leave the vehicle in this state for 60 minutes. 6. Check for formation of condensation, a significant reduction in the formation of condensation must be clearly recognizable (thawing progress). Note: If there is no visible reduction in condensation, check the headlamp for malfunctions. (see Remedy 2) It is not physically possible to defog the headlamps completely. Fogging does not impair the operation or the service life of the headlamp. Note: Only implement Remedy 1 for model series 463 (from model year 2018) and model series 465. Remedy 2 A defective headlamp can be identified as follows: 1. Check the headlamp for external damage and that the cover caps and the diaphragm are correctly seated. 2. Check the electrical connectors of the plugs and pins. 3. Check for leak tightness according to LI82.10-P-078307. The test can only be conducted on headlamps. 4. If the headlamp or the rear lamp has any external damage, replace the component part in accordance with the WIS instructions. Note: External damage to the headlamp/rear lamp or faulty seating of the cover caps does not present a warranty or goodwill case. Note: With headlamps, it is possible to install desiccant packs if the problem occurs repeatedly. • Open ventilation system LI82.10-P-078302 • Closed ventilation system LI82.10-P-078304
LI82.10-P-078307
Service Bulletin/Repair Instructions
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A leak test must be performed to determine if physical fogging exists or if the headlamp is leaky. Remedy In advance, observe LI82.10-P-078301 "Headlamp/front fog lamp leaky or fogged". 1. Prepare headlamp/check for external damage: For headlamps with a closed system • Check the headlamps for any external damage and check also for correct seating of the Gore-diaphragm/correct latching of the cover caps. • If the headlamp exhibits any external damage, replace the headlamp. For headlamps with an open system • Check the headlamps for any external damage and seal off the vent then make sure the cover caps are latched correctly into place. • If the headlamp exhibits any external damage, replace the headlamp. Note: A headlamp with external damage is not a warranty or goodwill case. 2. Leak test of headlamp with overpressure: Connect test adapter to pressure tester. (Figure 1) Check test adapter for leak tightness. To do so, connect plug and coupling (Figure 2) and apply a maximum overpressure of 30 mbar. • The pressure must remain constant. If the pressure does not remain constant, use a new adapter. Seal all the outlet openings using sealing compound and the given diaphragm with the plunger (Figure 3). (Figure 4) • Make allowance for the different headlamp variants here (there are different outlet openings). Check if the headlamp needs to be removed to gain access to the diagnostic socket on the headlamp housing. Plug the adapter onto the diagnostic socket on the headlamp housing. (Figure 5). Apply a maximum of 30 mbar overpressure to the headlamp housing. Note: If the maximum overpressure of 50 mbar is exceeded the headlamp seal will be damaged. • If a pressure drop of less than 10 mbar is measured within 30 seconds, the headlamp is tight and there is natural physical condensation• If a higher pressure drop than 10 mbar is measured within 30 seconds, the headlamp is leaky. Note: The leaky position can be localized with the aid of soap suds. Replace any leaky headlamps. Desiccant packs can be installed for headlamps that are not leaky. Observe the following documents for installation of desiccant packs: • LI82.10-P-078302 Fogged headlamp, desiccant pack installed - open ventilation system • LI82.10-P-078304 Fogged headlamp, desiccant pack installed - closed ventilation system
LI82.10-P-078896
Service Bulletin/Repair Instructions
Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A leak test must be performed to determine if physical fogging exists or if the headlamp is leaky. Remedy Check for external damage: You can identify a damaged headlamp in the following way: For headlamps with a closed system 1. Check the headlamps for any external damage and check also for correct seating of the Gore-diaphragm/correct latching of the cover caps. 2. If the headlamp exhibits any external damage, replace the headlamp. For headlamps with an open system 1. Check the headlamps for any external damage and seal off the vent, then make sure the cover caps are latched correctly into place. 2. If the headlamp exhibits any external damage, replace the headlamp. Note: External damage to the headlamp does not present a warranty or goodwill case. 1. Clear fogged/condensed LED headlamps and LED rear lamps: 1. Drive the vehicle into the workshop (temperature higher than +18 °C/+64.4°F). Note: Do not perform an engine wash before the defogging test. 2. Switch off the engine and connect battery support via a charger. 3. Open the hood or trunk. 4. Switch on the lights. 5. Leave the vehicle in this state for 60 minutes. 6. Check for formation of condensation, a significant reduction in the formation of condensation must be clearly recognizable (thawing progress). 7. If the condensation has disappeared, nothing else has to be done. Note: If defrosting has been performed, you can skip the first step. 2. Leak test of headlamp with overpressure: • Connect test adapter to pressure tester. (Figure 1) • Check test adapter for leak tightness. To do so, connect plug and coupling (picture 2) and apply a maximum overpressure of 30 mbar. The pressure must remain constant. If the pressure does not remain constant, use a new adapter. • All vents have to be sealed with sealing compound and the existing diaphragm with the stamp (picture 3 [3]). (Picture 4) Make allowance for the different headlamp variants here (there are different outlet openings). • Check if the headlamp needs to be removed to gain access to the diagnostic socket on the headlamp housing. • Plug the adapter onto the diagnostic socket on the headlamp housing. (Picture 5). • Apply a maximum of 30 mbar overpressure to the headlamp housing. Note: If the maximum overpressure of 50 mbar is exceeded the headlamp seal will be damaged (picture 6). • If a pressure drop of less than 10 mbar is measured within 30 seconds, the headlamp is tight and there is natural physical condensation. • If a higher pressure drop than 10 mbar is measured within 30 seconds, the headlamp is leaky. Note: The leaky position can be localized with the aid of soap suds. If the pressure test is not passed, the headlamp is leaky. If the cause cannot be rectified, the headlamp must be replaced. Note: If the headlamp is replaced, no dry packs may be installed on the new replacement headlamp. AR82.10-P-5455WT was created for the pressure test. **NOTE - As of Sept 2025 the pressure testing tool is not finalized and may require modifications to fit properly. This AR can be used as a reference manual for all closed headlamps. In the event of an open headlamp system, the vent ducts must be sealed before the pressure test.
LI33.30-P-056665
Service Bulletin/Repair Instructions
Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the problem is due to micromovement in the connection between the wheel bearing inner race and the joint housing of the side shaft. Note: The collar nut must always be replaced after being loosened and must be tightened to the specified torque. Remedy Coat contact surface of side shaft with wheel bearing with Molykote paint. To do this, proceed as follows: 1. Remove outboard side shafts (extract outer joint gearing from wheel hub) 2. Clean contact surface A (see image file in attachment "Outer joint housing before") before coating with Molykote, using "spirit" (free of dust and grease) 3. Coat contact surface A (see image file in attachment "Outer joint housing after") using Molykote and leave to dry for one hour in removed condition 4. Reinstall side shafts
LI83.20-P-051802
Service Bulletin/Repair Instructions
Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant flow in the heater heat exchanger (see picture). Remedy With the aforementioned complaint, make sure that the cooling circuit is inspected for silicate residues after all standard tests are completed. The silicate residues tend to accumulate upstream of the shutoff valve for the heater hot water pulsed valve. If there are silicate residues in the coolant, the engine must be flushed thoroughly. To make sure that all silicate residues are removed from the cooling circuit, the following parts must also be replaced (cleaning of these components is not sufficient): Coolant expansion reservoir, radiator, oil/water heat exchanger (oil cooler), heater valve, heat exchanger of heater, coolant and, if installed, the electric water pump for the residual heat utilization system. Determine the parts for the respective vehicle in the EPC.
LI82.70-P-077433
Service Bulletin/Repair Instructions
Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. It becomes increasingly difficult to understand as the speed rises. Cause A. Seating of the microphones in the headliner. Side edges are covered by the textile cover (see picture "1") B. Assembly of microphones (B25/20 or B25/21) in the headliner. C. Dirt inside the microphone housing Remedy 1. Press finger on rear of microphone (on adhesive tape) 2. Remove microphone cap from the front 3. Eliminate protruding material residues of the microphone cutout at the headliner, e.g. with a soldering iron. The microphone must be seated in the headliner as shown in picture "2". 4. Push microphone from behind until it is firmly pressed into the headliner 5. Maintain pressure and press/clip cap into microphone from the front. Note: The cover cap must be clearly heard and felt to engage. 6. This procedure must be carried out on both microphones (B25/20 and B25/21) Note: • It is recommended to replace the cover caps. • The non-woven cloth in the cover cap protects the microphone from soiling and must not be removed. NOTE: The information contained in this document is intended for use by trained, professional technicians with the knowledge to properly and safely perform diagnosis and repairs on Mercedes-Benz vehicles, using Mercedes-Benz approved tools and equipment. It informs service technicians about conditions that could occur in certain vehicles and provides information that could assist in proper vehicle diagnosis, service, or repair. It does not indicate that a defect is present in any vehicle referenced in this document nor does it imply warranty coverage. DO NOT assume that a symptom or condition, or a described cause of a symptom or condition, affects any particular vehicle or groups of vehicles, or that a described repair applies to any particular vehicle or groups of vehicles. There can be multiple causes resulting in the same or similar symptoms or conditions described in this document, and trained professional service technicians must use their diagnostic skills to make evaluations on a case-by-case basis. The information contained in this document does not guarantee warranty coverage nor does it extend the vehicle’s warranty in any way.
LI82.10-P-078069
Service Bulletin/Repair Instructions
Complaint Rear lamps fogged up/not leaktight. Cause Fogging of the rear lamps is a natural phenomenon, which can occur under certain climatic conditions. This does not lead to any technical impairment of the rear lamps. Remedy Rear lamp: Remedy 1: Clearing fogged/condensed rear lamps: 1. Drive the vehicle into the workshop (temperature higher than +18 °C/+64.4 °F) Note: Do not wash the vehicle or subject it to high-pressure cleaning before the defogging test. 2. Switch off the engine and connect battery support via a charger. 3. Open the trunk. 4. Switch on the exterior lighting. 5. Leave the vehicle in this state for 60 minutes. 6. Check for formation of condensation -> a significant reduction in the formation of condensation must be clearly recognizable (defogging progress). Note: -If no reduction in the degree of fogging is visible, the rear lamp is defective and must be replaced. -It is not physically possible to defog the headlamps completely – some residual fogging may remain. Fogging does not impair the functionality or the service life of the rear lamps. -Simultaneous fogging of multiple component parts indicates extreme climatic conditions and also does not impair the functionality or the service life of the rear lamps. Remedy 2: You can recognize a defective rear lamp as follows: 1. Check the rear lamps to ensure that no external damage is present, and that the differential aeration cells and the diaphragm are present and correctly seated. -> If there are signs of external damage on the rear lamp, the component parts must be replaced as per WIS instructions. 2. Check the electrical connectors of the plugs and pins. -> If moisture/corrosion/etc. is present, the component part must be replaced as per WIS instructions. 3. Check for leak tightness -> Close all openings with Terostat IX or similar and establish and stabilize via an overpressure (40–50 mbar) via the plug. -> In the event of a sudden pressure drop, the component part must be replaced as per WIS instructions. Note: External damage to the rear lamps does not constitute a warranty or goodwill case.
LI82.35-P-078467
Service Bulletin/Repair Instructions
Complaint Washer fluid system leaks Cause Various possible causes: 1. Washer fluid reservoir itself. 2. Seal on washer fluid pump/washer fluid reservoir. 3. Washer fluid pump. 3.1. Distributor housing leaks. 3.2. Pump fitting leaks. 3.3. Washer fluid hose cannot be snapped into place on pump fitting. 3.4. Washer fluid hose will not stay on pump fitting, although connector OK. 4. Washer fluid line. 4.1 Connector will not stay on pump fitting because it is broken. 4.2 Sealing ring in connector missing. 4.3 Sealing ring in connector fitted, but deformed and therefore leaks. 4.4 Damage to washer line by animal. 5. Seal on heating washer fluid reservoir/washer fluid reservoir. Remedy Replace defective component parts only. Do not replace any adjacent component parts that are intact. Note: Repair kits for washer line hoses do exist to allow patches for line damage.
LI82.10-P-078302
Service Bulletin/Repair Instructions
Complaint Headlamps fogged or droplets forming. Cause Due to its outlet openings, the headlamp is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate into the headlamp. This can lead to the formation of condensation on the lens of the headlamp. The headlamps comply with all applicable US standards and regulations. Remedy Check housing cover of lamp unit for natural fogging or condensation as per LI82.10-P-078301. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the condensation has completely evaporated. Note: Order service covers and desiccant packs based on the validity description. 1. Remove headlamps. 2. Remove all grommets from outlet openings. 3. Seal vent openings with sealing profile. Important: All openings must be sealed carefully for the pressure compensation diaphragm to work properly! 4. Remove existing service cover. 5. Place desiccant packs into the new service covers and bolt down (Picture_01). 6. Glue the new diaphragm onto the intended surface at the service cover (Picture_02). Note: The bonding surface must be clean and dry. 7. Attach service cover with desiccant pack at headlamp. 8. Install headlamp. To ensure that the desiccant pack (absorption) acts effectively, the headlamp has to be air-sealed. Observe or check the following points for this: 1. Seals at the central connector must all be present and correctly fitted (Picture_03). 2. The new transparent diaphragm must be correctly bonded (Picture_04). 3. Check headlamp housing for any external damage.
NCU - 24240304
Service Bulletin/Repair Instructions
As previously reported, to enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a Settlement regarding claims relating to allegations that the 590 Mars Red paint available as an original, exterior color option for certain models of Mercedes-Benz vehicles may experience peeling, flaking, or bubbling of the exterior paint or clear coat. This Mars Red paint is sometimes referred to as Fire Opal. The purpose of this update is to alert you that: 1. The Settlement has received final approval. The Settlement will go into effect on March 11, 2024. As of that date, customers are eligible to receive extended warranty coverage under the Settlement. 2. Under the Settlement, an eligible customer might receive extended warranty coverage as of the date the vehicle is presented to your dealership OR certain customers might have validated Qualified Future Repair claims, making them eligible for a different level of coverage. To determine if a customer: (a) is eligible for extended warranty coverage; and (b) what level of warranty coverage is available to them, please refer to the Service Packages section in VMI/Netstar. 3. Damage code 21800 (damage type 00) must be used for warranty claims covered pursuant to the Settlement. Please note that you should only claim for the percentage of warranty repair cost reflected in VMI/Netstar (see below, e.g., for Period Two, claim only 50% of warranty repair cost). 4. Before the dealership agrees to perform any work: The customer should be given a Repair Order containing: (1) an estimate for the repair, (2) the portion covered under the extended warranty; and (3) the customerâÃÂÃÂs contribution amount for the repair, if applicable. The customer must agree to pay their contribution amount for the repair and sign the Repair Order before the repair is performed.
LI91.18-P-077075
Service Bulletin/Repair Instructions
Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats for extended periods of time (pressure marks). ⢠Objects wedged between the seat backrest and seat cushion (e.g. seat belt buckle). ⢠Light initial creases due to vehicle handling. ⢠Light creases in the outer covers originating from the production process (missing finish). Heat treatment of the seat covers using heat gun and plastic wedge. Be very careful to not overheat the seat material!
LI8220P073063
Service Bulletin/Repair Instructions
Touch pad: Search lighting does not dim or does not turn on.
LI54.30-P-072145
Service Bulletin/Repair Instructions
NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock
LI27.50-P-071658
Service Bulletin/Repair Instructions
Harsh engagement when changing gear range from P to D or R
LI27.50-P-049281
Service Bulletin/Repair Instructions
Harsh engagement when changing gear range from P to D
LI82.10-P-064766
Service Bulletin/Repair Instructions
Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Check housing cover of lamp unit for natural fogging or dew as per GI82.10-P-009047. . 1. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the condensation has completely evaporated. 1.1. Order the required service covers by referring to the variant overview. 1.2. Remove lamp unit 1.3. Remove all grommets from vent openings. 1.4. Seal vent openings with sealing profile. Important: All openings must be sealed carefully for the pressure compensation membrane to work properly! 1.5. Remove existing service cover 1.6. Place desiccant packs in new service covers and bolt down 1.7. Stick new diaphragm onto specified surface on service cover [picture of service cover] Note: The bonding surface must be clean and dry. 06
NCU - HVAC Warra
Service Bulletin/Repair Instructions
To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to alleged mold and mildew type odors originating from the HVAC system in certain Mercedes-Benz vehicles. As part of the settlement, MBUSA has agreed to offer sliding-scale warranty coverage for certain vehicles diagnosed as having mold or mildew type odors originating from the HVAC system?although that coverage will not take effect until the settlement is judicially approved and other events occur; likely not until December 7, 2020 at the earliest (see below). If the settlement becomes effective, coverage will include cleaning of the evaporator and replacement of the HVAC filters
LI27.60-P-071237
Service Bulletin/Repair Instructions
5 to 4 coasting downshift - shift quality concern with cold trans- mission oil on MODEL 217 or 222 in combination with ENGI- NE 278 and TRANSMISSION 722.9 without code 835/498
LI8210P0647661
Service Bulletin/Repair Instructions
Headlamps fogged.
LI80.61-P-061174
Service Bulletin/Repair Instructions
Vehicle cannot be opened via Keyless-Go and radio remote control
LI82.70-P-060004
Service Bulletin/Repair Instructions
iPhone mobile phone: Various complaints after software update to iOS8
LI80.20-P-059363
Service Bulletin/Repair Instructions
The trunk lid sometimes does not open completely and does not close (completely). This complaint is accompanied by the following symptoms: - Illumination of the trunk lid control button (S62/26) fails. - The ACTUAL value* of the trunk lid lock main catch switch (A85/5s1) indicates "closed" although the trunk lid is open. - Knocking against the trunk lid lock (A85/5) causes the light of the trunk lid control button (S62/26) to flicker and the ACTUAL value* of the trunk lid lock main catch switch (A85/5s1) to jump back and forth between the values "open" and closed". * The ACTUAL value of the trunk lid lock main catch switch (A85/5s1) can be found under the following path in Xentry Diagnostics: Xentry Diagnostics => Control unit => SAM-H (N10/8) => ACTUAL values => Trunk lid => Trunk lid lock main catch switch
LI91.10-P-059389
Service Bulletin/Repair Instructions
Noises from lock of valuables/stowage compartment or from gap cover between seat and center tunnel.
LI91.25-P-059392
Service Bulletin/Repair Instructions
No inflation of one or more air cushions on the massage/multicontour/dynamic seat modules (driver, front passenger and rear) Bubble formation in one or more seats with massage/multicontour/dynamic seat modules (driver, front passenger and rear)
LI91.30-P-048290
Service Bulletin/Repair Instructions
Grinding noises can occur in the backrest on active multicontour seats with the backrest under load and the seat ventilation switched on
LI91.25-P-059382
Service Bulletin/Repair Instructions
Dynamic seat (DS) pneumatic pump / multicontour seat pneumatic pump makes noises.
LI91.10-P-047382
Service Bulletin/Repair Instructions
Creaking noises can occur when the side bolster bladders are inflated and deflated
LI91.10-P-048504
Service Bulletin/Repair Instructions
Squeaking/creaking noises from area of seat adjuster
LI91.25-P-048132
Service Bulletin/Repair Instructions
Multicontour system fails during air release procedure. The system becomes operational again after an ignition change. Fault code 9E8900 is stored.
LI91.25-P-059380
Service Bulletin/Repair Instructions
Pneumatic comfort systems with insufficient performance, entirely inoperative or leaky.
LI91.40-P-059364
Service Bulletin/Repair Instructions
Seat belt height adjustment nonfunctional
LI68.20-P-059330
Service Bulletin/Repair Instructions
When on rough roads and with side loads applied to the center console (leg support) cracking noise may occur in the transition between the instrument panel and the center console.
LI68.05-P-059193
Service Bulletin/Repair Instructions
SENTEX gate operator with Clik Card Remote not compatible with Homelink
LI49.20-P-056353
Service Bulletin/Repair Instructions
Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit.
C1A140101
Service Bulletin/Repair Instructions
This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to ensure their mbrace device has registered with the Verizon Telematics systems. If the i-button call failed or if the customer was unable to perform the i-button call, the mbrace agent instructed the customer to make an appointment with their dealer to have the issue corrected and/or i-button call performed. The vehicles impacted range from model year 2002 to 2014.
LI14.20-P-052079
Service Bulletin/Repair Instructions
Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700
GI88.40-P-057430
Service Bulletin/Repair Instructions
Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"
LI32.22-P-058342
Service Bulletin/Repair Instructions
Creaking noises from the area of the air suspension strut on the front axle when driving over bumps with the steering turned. Topic only reported from outer wheel until now.
LI47.40-P-053871
Service Bulletin/Repair Instructions
Engine diagnosis warning lamp activated. Fault code P045600 "Very fine leak" or P044200 "Fine leak" stored in engine control unit.
P-B-54.10-225d
Service Bulletin/Repair Instructions
If it is necessary to replace an HV battery, the return will only be accepted with the filled-out ?Analysis Sheet for Transportability of High-Voltage Batteries Form? accompanied by: , the removed part, the quick test printout, the BMS control unit log printout, the repair documentation and with all required documentation listed in Section E of the Form.
LI-42-47
Service Bulletin/Repair Instructions
MERCEDES-BENZ: ESP MALFUNCTION OR BAS MALFUNCTION LIGHT SHOWS UP IN THE INSTRUMENT PANEL BECAUSE OF A WHEEL SPEED SENSOR PROBLEM. *RM UPDATED 2/15/13. *PE
LI27-20P-052096
Service Bulletin/Repair Instructions
MERCEDES-BENZ: THE VEHICLE JERKS DURING LIGHT BRAKING. THE ALTERNATOR ENGAGES TOO EARLY DURING BRAKING. *RM
LI-05-20-P
Service Bulletin/Repair Instructions
MERCEDES-BENZ: THE MALFUNCTION LIGHT IS ON WITH MULTIPLE POSSIBLE TROUBLE CODES STORED. THERE COULD BE A PROBLEM WITH THE CAMSHAFT AND/OR SCORING OF A PISTON. *RM
PB-32-22-77
Service Bulletin/Repair Instructions
MERCEDES: VEHICLE DOES NOT LOWER AND/OR AIRMATIC VISIT WORKSHOP DISPLAY IN INSTRUMENT CLUSTER. MODEL 220. MODEL YEARS UNKNOWN. *PE UPDATED 7/13/11. *PE
LI-54-70
Service Bulletin/Repair Instructions
MERCEDES-BENZ: BLIND SPOT ASSIST AND DISTRONIC INOPERATIVE MESSAGES. FOUR POSSIBLE FAULT CODES STORED. THERE IS A SAFETY SHUTOFF OF SYSTEMS DUE TO A DISRUPTION WITH THE SENSOR. *RM
LI32-50
Service Bulletin/Repair Instructions
MERCEDES-BENZE: THERE IS A LEAKAGE AT THE PRESS-FIT SLEEVE OF A PULSATION DAMPER. THIS IS CAUSED BY HIGH HEAT ENTERING THE SYSTEM OR TENSION IN THE LINE. *RM
LI-82-85
Service Bulletin/Repair Instructions
MERCEDES BENZ- WHEN DOING A SOFTWARE UPDATE THE UPDATE FAILS AND THE TUNER GOES TO BOOT MODE. *RM
SB-32-25-82
Service Bulletin/Repair Instructions
MERCEDES-BENZ: SHOCK ABSORBER PROCEDURE. *RM
P-049241
Service Bulletin/Repair Instructions
MERCEDES: ENGINE START/STOP, ENGINE STARTS UP AT RANDOM OR 12 V ON BOARD ELECTRICAL SYSTEM VOLTAGE TOO LOW. THE RESISTANCE OF THE ELECTRICAL LINE FROM DC/DC CONVERTER CONTROL UNIT N83/1 TO GROUND POINT W3/9 IS TOO HIGH IN THE DC/DC CONVERTER CONTROL UNIT. *PE
LI-54-10
Service Bulletin/Repair Instructions
MERCEDES: MOUNTING BOLT OF HV CONNECTION TO HV BATTERY BROKEN DURING INSTALLATION. THE MOUNTING BOLT SHEARS OFF WHEN RETIGHTENED AT THE HV CONNECTION TO THE HV BATTERY. EXCESSIVE STRESS ON MOUNTING BOLT DUE TO FAILURE TO COMPLY WITH TIGHTENING TORQUE OF 5NM. MODELS 221.095/221.195(HYBRID). NO MODEL YEARS LISTED. *PE
LI46-20-P-048871
Service Bulletin/Repair Instructions
MERCEDES: RATTLING OR DULL KNOCKING NOISE COMING FROM THE AREA OF THE STEERING SYSTEM WHEN DRIVING OVER ROUGH ROAD. *PE
LI-58-40
Service Bulletin/Repair Instructions
XENTRY (MERCEDES): ENGINE WARNING LAMP IS CURRENTLY ON OR WAS ON AND A DELAY FAULT OF THE CAMSHAFT ADJUST TO CURRENT OR STORED IN THE ENGINE CONTROL UNIT. MODELS 171, 203, 209, 211, 219, 221, 216, 230, 164, 251, AND 403. NO MODEL YEARS LISTED. *PE
C1A-091101
Service Bulletin/Repair Instructions
MERCEDES BENZ: REPROGRAM MBRACE (N123/4) DIALED NUMBERS TO HUGHES. THIS ACTION APPLIES TO NEW VEHICLE INVENTORY ONLY. *PE
TB-P-047927
Service Bulletin/Repair Instructions
MERCEDES: FOLLOWING FAULT CODES ARE ENTERED IN THE CONTROL UNIT AND DISPLAYED-FC5320 DRAIN VALVE:OPEN CIRCUIT OR INSUFFICIENT VALVE CURRENT IN MODELS SERIES 211, 219; FC5260 DRAIN VALVE OPEN CIRCUIT OR INSUFFICIENT VALVE CURRENT IN MODEL 221; FC5250 DRAIN OPEN CIRCUIT OR INSUFFICIENT VALVE CURRENT IN MODEL SERIES 251, 164. DEFECTIVE CONNECTING CABLES TO DRAIN VALVE AT AIRMATIC COMPRESSOR. THIS RESULTS IN THE SETTING OF THE FAULT CODES. NO MODEL YEARS LISTED. *PE
SB-P-047254
Service Bulletin/Repair Instructions
DAIMLER: THE WEIGHT SENSING SYSTEM (WSS) OR THE RIGHT FRONT SEAT ADJUSTER WITH WSS WHICH NECESSITATE THE REPLACEMENT OF THE SEAT ADJUSTER. THE SEAT ADJUSTER WITH INTEGRATED WSS SENSORS (PEN SYSTEM) INSTALLED UP IS NO LONGER AVAILABLE UP TO MODEL YEAR 09. ONLY THE NEW GENERATION OF WSS SYSTEM (BLADDER SYSTEM) IS NOW AVAILABLE AS IN MODEL 216. CONVERSION TO NEW GENERATION OF WSS SYSTEM. *PE
TSB-42-10-109
Service Bulletin/Repair Instructions
MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. ONCE THE CORROSION PROTECTION IS DAMAGED OR REMOVED THE BRAKE COMPONENTS AND OR HARDWARE CAN BEGIN TO CORRODE. INCLUDE ALL MODELS AND MODEL YEARS. *PE
SB-32-22-78
Service Bulletin/Repair Instructions
MERCEDES: AIR MATIC VISIT WORKSHOP DISPLAYED WITHIN INSTRUMENT CLUSTER. MODELS 164, 211, 219, 221 AND 251. INCLUDED 4MATIC, AMG (COMPRESSOR) AMG, BLUETEC AND WAGON. MODEL YEARS UNKNOWN. *PE UPDATED 9/18/09. *PE
470036
Service Bulletin/Repair Instructions
MERCEDES: THE FUEL LEVEL INDICATED IN THE INSTRUMENT CLUSTER DOES NOT MATCH THE ACTUAL FILL LEVEL. THIS MAY BE CAUSED BY A FAULT IN THE FUEL LEVEL SENSOR FUNCTION CHAIN: HYDRAULIC AND ELECTRICAL LINES AND THEIR CONNECTIONS, REAR SAM OR INSTRUMENT CLUSTER. *TT UPDATED 2/23/09. *PE UPDATED 9/18/09. MODEL YEARS UNKNOWN. *PE
SB-2009020005
Service Bulletin/Repair Instructions
MERCEDES VEHICLES: CHECK FOR SPARE TIRE WELL COVER, INSTALL IF NECESSARY. THE SPARE TIRE WELL COVER MAY NOT HAVE BEEN INSTALLED ON SUBJECT VEHICLES. MODEL 221, MODEL YEARS 2007 AND 2008. *PE UPDATED 9/18/09. *PE
325029
Service Bulletin/Repair Instructions
ABC VISIT WORKSHOP DISPLAYED IN INSTRUMENT CLUSTER AND HYDRAULIC FLUID LEAKAGE. *TT UPDATED 5/14/09. MODELS 215, 220 AND 230. MODEL YEARS UNKNOWN. *PE
TSB-2009020004
Service Bulletin/Repair Instructions
MERCEDES: IT HAS BEEN DETERMINED THAT THE TELE AID MAY NOT FUNCTION PROPERLY AS A RESULT OF A HARDWARE FAULT IN THE TELE AID CONTROL MODULE. IF THIS CONDITION EXISTS AN INSTRUMENT CLUSTER MESSAGE OF NO SERVICE AND TELE AID INOPERABLE WILL BE SEEN. *PE
PB-46-20-16E
Service Bulletin/Repair Instructions
MERCEDES: LEAKS AT STEERING GEAR CONTROL HEAD CONNECTION TO HIGH OR LOW PRESSURE LINES OR LEAKS AT INTERNAL STEERING LINES OF CONTROL HEAD CONNECTION TO STEERING GEAR HOUSING. MODELS 171, 203, 204, 209, 211, 215, 216, 219, 220, 221, AND 230. MODEL YEARS UNKNOWN. *PE
TB-82-10-668
Service Bulletin/Repair Instructions
MERCEDES: WARNING MESSAGE RIGHT LOW BEAM- CHECK BULB; OR LEFT LOW BEAM-CHECK BULB IN INSTRUMENT CLUSTER. DUE TO THE FACT THAT THE XENON BURNER MAY NOT BE IGNITED ON FIRST ATTEMPT DUE TO TOLERANCES IN IGNITION VOLTAGE. MODEL YEARS UNKNOWN. *PE
PB-54-18-208
Service Bulletin/Repair Instructions
MERCEDES: DISPLAY IN INSTRUMENT CLUSTER "AIR SUSPENSION" OR "ABC SERVICE REQUIRED" IS DISPLAYED IN THE INSTRUMENT CLUSTER, THE ENGINE WIRING HARNESS MAY HAVE BEEN DAMAGED BY THE WIPER LINKAGE. MODELS 215.3 AND 220. MODEL YEARS UNKNOWN. *PE
SCB-2008090001
Service Bulletin/Repair Instructions
MERCEDES BENZ: CHECK AUXILIARY TRANSMISSION OIL COOLER THERMOSTAT FOR LEAKS, REPLACE O RINGS IF NECESSARY. *PE
PB-54-21-201
Service Bulletin/Repair Instructions
MERCEDES-BENZ: MULTIFUNCTION STEERING WHEEL BEING INOPERATIVE, THIS MAY BE DUE TO THE ELECTRONICS OF THE STEERING WHEEL BEING DEFECTIVE. *PE
PB-32-50-35C
Service Bulletin/Repair Instructions
MERCEDES: THE VEHICLE'S SUSPENSION LEVEL RANDOMLY LOWERING WHILE DRIVING AND/OR RAPID SPORADIC LEVEL CHANGES SHORTLY AFTER STOPPING THE VEHICLE, REPLACE THE BODY ACCELERATION SENSORS. MODELS 215.3, 220, AND 230. MODEL YEARS UNKNOWN. *PE
422081
Service Bulletin/Repair Instructions
MERCEDES-BENZ - PARKING BRAKE CANNOT BE OPERATED. MODELS S63, S65, S550, S600. MODEL YEAR UNKNOWN. *NJ
720085
Service Bulletin/Repair Instructions
MERCEDES-BENZ - MODEL S63, S65, S550, S600 - OUTSIDE DOOR HANDLE STICKS IN PULLED POSITION. MODEL YEAR UNKNOWN. *NJ
2007080004
Service Bulletin/Repair Instructions
MERCEDES-BENZ - INSTALL SOFTWARE FOR DYNAMIC AND/OR MULTICONTOUR SEAT CONTROL MODULES. *NJ
2007080001
Service Bulletin/Repair Instructions
MERCEDES-BENZ - UPDATE SOFTWARE FOR DYNAMIC/MULTI-CONTOUR SEAT CONTROL MODULES. *NJ