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.
LI-54-21
Service Bulletin/Repair Instructions
DAIMLER/XENTRY: FUEL LEVEL INDICATOR AND RADIO FREQUENCY CENTRAL LOCKING INOPERATIVE, INSTRUMENT CLUSTER REPORTS TURN SIGNALS INOPERATIVE, DIAGNOSIS OF REAR SAM NOT POSSIBLE. CONTROL MODULES. MODELS C CLASS, MODEL SERIES 204. NO MODEL YEARS LISTED. *PE UPDATED 7/8/11. *PE
SB-32-25-82
Service Bulletin/Repair Instructions
MERCEDES-BENZ: SHOCK ABSORBER PROCEDURE. *RM
SB-91-60-193
Service Bulletin/Repair Instructions
MERCEDES: AIRBAG DURABILITY AND RELIABILITY. AIR BAG SRS CONTROL MODULE (N2/2) DOES NOT HAVE A SET SHELF LIFE AND WILL NORMALLY BE RELIABLE FOR THE LIFE OF A VEHICLE. WITH 164, 216 221, 251 AND NEWER, THE AIRBAG CONTROL UNIT CAN BE RESET FIVE TIMES. WITH MODES 202, 210 AND NEWER, THE AIRBAG CONTROL UNIT CAN BE RESET THREE TIMES. EARLIER MODELS WOULD HAVE TO HAVE THEIR AIRBAG CONTROL UNIT AND TRIGGERED RESTRAIN COMPONENTS CHANGED ONLY AFTER AN ACCIDENT. NO MODELS OR MODEL YEARS LISTED. *PE
PB-61-10-07
Service Bulletin/Repair Instructions
MERCEDES: REPLACING THE LONGITUDINAL MEMBER (LEFT AND RIGHT) BELOW THE MAIN FLOOR PANEL ON ALL MY 204 UP TO 12/31/07. (C300, C350, C300 4-MATIC, C63 AME). *PE
276064
Service Bulletin/Repair Instructions
LEARNING IN SELECTION RANGE SENSOR NOT POSSIBLE AFTER EHS REPLACEMENT. *TT