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Service bulletins for the 2012 Mercedes-Benz C-Class

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

8 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
LI68.05-P-0591932018-05-07. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. SENTEX gate operator with Clik Card Remote not compatible with Homelink
LI54-15-P0573732014-05-09. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. XENTRY (MERCEDES): THE FUSE AND RELAY BOXES (SRB) IN ENGINE COMPARTMENT OR REAR COMPARTMENT HAS A MALFUNCTION AND DISRUPTIONS TO COMMUNICATION PATHS CAUSING A NO START IN VEHICLE. MODEL 2012-2013 204, 207, 212, 218, 231, 246, 176, 117, 172. *PE
SC-20131100052014-03-05. Service bulletin. TIRES:TEMPORARY/EMERGENCY SPARE TIRE. MERCEDES: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. AN INCORRECT SPARE TIRE WAS INSTALLED, IN SOME VEHICLES, DUE TO A CODING OPTION ERROR AND SPARE TIRE FAILS TO FIT FRONT WHEEL HUBS. MODEL 2013 C CLASS. *PE
SC-20130500052013-09-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). MERCEDES: THE AUTOMATIC TRANSMISSION DO NOT MEET INTERNAL SPECIFICATIONS, IN SOME VEHICLES, THAT CAUSES, IN SOME CASES, THE TRANSMISSION TO MAKE NOISES AND NEED TO HAVE AUTOMATIC TRANSMISSION REPLACED. MODELS 2011 204 (C SERIES), X204(C SERIES), 212(E SERIES). *PE
LI33-15-P0474712013-04-26. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. XENTRY (MERCEDES): WITH STEERING AT FULL LOCK, NOISE CAN BE HEARD, LIKE KNOCKING AND/OR CREAKING, COMING FROM AREA OF FRONT AXLE WHEN MANEUVERING. MODELS 203 (C240, 320, 32, 230), 171 (SLK350, 55, 280), 209 (CLK 320, 500, 55, 63), 204 (C300, 350, 250, 63), 207 (E350, 550). NO YEARS LISTED. *PE UPDATED 12/30/13. *PE UPDATED 5/9/14. *PE
LI82-95-P0544062012-10-11. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. XENTRY (MERCEDES): AFTER TAKING VEHICLE OUT TRANSPORT MODE, INSTRUMENT CLUSTER DISPLAYS MESSAGE SOS MBRACE SERVICE NOT ACTIVATED. MODELS 2013 166, 172, 204, 207, 212, 218, 231, 463. *PE
LI-47-40-P0538712012-07-17. Service bulletin. ENGINE. XENTRY (MERCEDES): CHECK ENGINE LIGHT (CEL) IS ACTIVATED; STORED IN ENGINE CONTROL UNIT IS VERY FINE LEAK. AUTOMATIC FUEL TANK LEAK TEST SOFTWARE IS SENSITIVE AND CAN PRODUCES AN ERRONEOUS DIAGNOSIS. MODELS 204, 212, 218, 221, 216,AND 166 WITH NO MODEL YEARS LISTED. *PE UPDATE 11/22/13. *PE
40-P-0535362012-05-23. Service bulletin. SEAT BELTS:FRONT:RETRACTOR. MERCEDES BENZ: RIGHT FRONT SEAT BELT OR LEFT FRONT SEAT BELT DOES NOT ROLL UP COMPLETELY. CAUSED BY BELT STRAP SCRAPING ON THE RETRACTOR HOUSING. ALSO INCLUDED MODEL CLS550 MODEL YEAR 2012. *JS

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.