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.
LI77.21-P-075807
Service Bulletin/Repair Instructions
Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, or multiple times) during closing process, without entrapment event. Cause Cause remains open. For analysis, the information from the control unit log of the panoramic roof control unit (TSSR254) is required via a TIPS case. Remedy Further analyses Requirement: ⢠The teach-in run for the automatic reversing function of the panoramic roof via XENTRY has still NOT been carried out Please perform the following steps: 1. Create a TIPS case 2. Create control unit log of panoramic roof control unit (TSSR223, A98, PSD) (prerequisite: add-on 25071) and attach to TIPS case Remedy Standardize panoramic roof with diagnostic system and carry out teach-in run for automatic reversing function.
LI82.85-P-075094
Service Bulletin/Repair Instructions
Complaint Traffic Light View is intermittently inoperable after updating the MBUX Multimedia System (A26/17) to E316.5. Cause Previously available MBUX software release. Remedy A new software remedy is currently available. Please update the head unit software to version E329.5 or newer.
LI32.33-P-070817
Service Bulletin/Repair Instructions
Complaint - AIRMATIC fault message in instrument cluster - Compressor inoperative, 40A compressor fuse possibly triggered. - Vehicle level is not adjusted correctly, the vehicle possibly leans at an angle Cause Moisture in the compressor freezes at temperatures below zero and may block the compressor. As a result, the starting current when the compressor starts up is too high. Fuse is triggered Remedy Replace compressor, fuse, and relay. Update software and SCN coding. Please invoice the case using damage code 32671 73. Addition: Unscrew pressure line between compressor and valve block and check for moisture. If there is moisture in the pressure line, it can be assumed that there is also moisture in the AIRMATIC valve block. Replace AIRMATIC valve unit.
LI72.20-P-075746
Service Bulletin/Repair Instructions
Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead.
LI72.00-P-075481
Service Bulletin/Repair Instructions
Complaint Staining on door trim strips and top and bottom trim elements on rear side windows Cause Damage to protective coating (due to poor original optimization of coating) of door beltline trim strips, door upper trim strips and side window trim element. Remedy 1. Check if the complaint cannot be rectified by polishing the trim bars with the polish. 2. If the complaint cannot be rectified, replace the door beltline trim bars, door upper trim bars and rear side window with trim element with optimized protective coating.
LI46.35-P-062791
Service Bulletin/Repair Instructions
Complaint 1. Vibrations noticeable at steering wheel when front axle is excited when driving at a speed between 65 km/h and 130 km/h over an obstacle. ⢠Driving over deeply recessed manhole covers ⢠Driving over cross joints ⢠Driving over extreme surface undulations 2. Permanent or long-lasting vibrations at specific speed or engine speed noticeable on steering wheel. ⢠Roadway surface excitations when DTR+Q is switched on Cause Control oscillations in the electric power steering