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2012 Mercedes-Benz C300

27 Technical Service Bulletins (TSBs)

TSB List for the 2012 Mercedes-Benz C300

Technical Service Bulletins (TSBs) for the 2012 C300 are official communications between Mercedes-Benz & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • STEERING
  • STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE
  • STEERING:ELECTRIC POWER ASSIST SYSTEM
  • SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
  • ENGINE (PWS)
  • POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:12V/24V/48V BATTERY
  • ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
  • ELECTRICAL SYSTEM:IGNITION
  • ELECTRICAL SYSTEM:IGNITION:SWITCH
  • ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
  • ELECTRICAL SYSTEM:SOFTWARE
  • EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH
  • SEAT BELTS:FRONT:RETRACTOR
  • VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
  • TIRES:TEMPORARY/EMERGENCY SPARE TIRE
  • EQUIPMENT
  • EQUIPMENT:OTHER:LABELS
  • STEERING

    • TSB #LI46-35P059241

      Date Announced:
      JUN 20, 2014
      NHTSA ID:
      #10056472

      XENTRY (MERCEDES): AFTER ENGINE HAS STARTED, SEVERAL ISSUES OCCURS, AN ACOUSTIC WARNING SOUNDS IS HEARD, THE INSTRUMENT CLUSTER DISPLAYS WARNING MESSAGE POWER STEERING MALFUNCTION, SERVICE REQUIRED. STEERING SYSTEM IS SLUGGISH. Read More »

    STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE

    • TSB #LI80-57-P051521

      Date Announced:
      SEP 24, 2012
      NHTSA ID:
      #10048239

      XENTRY (MERCEDES): AN INTERNAL ISSUE WITH ELECTRONIC STEERING LOCK IS CAUSING A FAILURE OF NO CRANKING, INTERMITTENT NO CRANK OR NO START AND WARNING ICONS WILL NOT ILLUMINATE IN ICM. MODEL GLK350, E350, 550. NO MODEL YEARS LISTED. Read More »

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #LI80-57-P051521

      Date Announced:
      SEP 24, 2012
      NHTSA ID:
      #10048239

      XENTRY (MERCEDES): AN INTERNAL ISSUE WITH ELECTRONIC STEERING LOCK IS CAUSING A FAILURE OF NO CRANKING, INTERMITTENT NO CRANK OR NO START AND WARNING ICONS WILL NOT ILLUMINATE IN ICM. MODEL GLK350, E350, 550. NO MODEL YEARS LISTED. Read More »

    SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

    • TSB #LI33-15-P047471

      Date Announced:
      DEC 04, 2013
      NHTSA ID:
      #10051975

      XENTRY (MERCEDES): WITH STEERING AT FULL LOCK, NOISE CAN BE HEARD, LIKE KNOCKING AND/OR CREAKING, COMING FROM AREA OF FRONT AXLE WHEN MANEUVERING. Read More »

    • TSB #LI33-15-P047471

      Date Announced:
      DEC 04, 2013
      NHTSA ID:
      #10051975

      XENTRY (MERCEDES): WITH STEERING AT FULL LOCK, NOISE CAN BE HEARD, LIKE KNOCKING AND/OR CREAKING, COMING FROM AREA OF FRONT AXLE WHEN MANEUVERING. Read More »

    ENGINE (PWS)

    • TSB #LI-30-20P058689

      Date Announced:
      MAR 13, 2014
      NHTSA ID:
      #10056233

      XENTRY (MERCEDES): IN THE INSTRUMENT CLUSTER, AN ESP WARNING DUE TO IMPLAUSIBLE ACCELERATOR PEDAL SIGNAL RECEIVED FROM ENGINE CONTROL UNIT. MODEL 2012 172, 212, 218, 207, 204. *PE Read More »

    • TSB #LI-47-40-P053871

      Date Announced:
      AUG 13, 2013
      NHTSA ID:
      #10044601

      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. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #SC-2013050005

      Date Announced:
      JUN 01, 2013
      NHTSA ID:
      #10052887

      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. Read More »

    ELECTRICAL SYSTEM

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #LI54-10-P054089

      Date Announced:
      SEP 13, 2012
      NHTSA ID:
      #10048240

      XENTRY (MERCEDES): AFTER IGNITION IS OFF, ROTARY LIGHT SWITCH SENDS WRONG SIGNAL DUE TO BATTERY DISCHARGED AND VEHICLE NOT STARTING. MODEL E350,550,63, C300,350,63,250, GLK350. NO MODEL YEARS LISTED. Read More »

    ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

    • TSB #LI54-15-P057373

      Date Announced:
      FEB 28, 2014
      NHTSA ID:
      #10055333

      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. Read More »

    • TSB #LI54-15-P057373

      Date Announced:
      FEB 28, 2014
      NHTSA ID:
      #10055333

      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. Read More »

    ELECTRICAL SYSTEM:IGNITION

    • TSB #SB-2012080001

      Date Announced:
      SEP 01, 2012
      NHTSA ID:
      #10048181

      MERCEDES: DUE TO HAVING ENGINE MISFIRE AND HIGH PRIMARY CURRENT FROM UNCONTROLLED CHARGING AND DISCHARGING OF IGNITION COILS, THE EIGHT IGNITION COILS WILL BE REPLACED. MODELS 2012 204. *PE Read More »

    ELECTRICAL SYSTEM:IGNITION:SWITCH

    • TSB #LI80-57-P051521

      Date Announced:
      SEP 24, 2012
      NHTSA ID:
      #10048239

      XENTRY (MERCEDES): AN INTERNAL ISSUE WITH ELECTRONIC STEERING LOCK IS CAUSING A FAILURE OF NO CRANKING, INTERMITTENT NO CRANK OR NO START AND WARNING ICONS WILL NOT ILLUMINATE IN ICM. MODEL GLK350, E350, 550. NO MODEL YEARS LISTED. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #LI46-35P059241

      Date Announced:
      JUN 20, 2014
      NHTSA ID:
      #10056472

      XENTRY (MERCEDES): AFTER ENGINE HAS STARTED, SEVERAL ISSUES OCCURS, AN ACOUSTIC WARNING SOUNDS IS HEARD, THE INSTRUMENT CLUSTER DISPLAYS WARNING MESSAGE POWER STEERING MALFUNCTION, SERVICE REQUIRED. STEERING SYSTEM IS SLUGGISH. Read More »

    • TSB #LI82-95-P054406

      Date Announced:
      AUG 10, 2012
      NHTSA ID:
      #10046379

      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 Read More »

    • TSB #LI82-95-P054406

      Date Announced:
      AUG 10, 2012
      NHTSA ID:
      #10046379

      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 Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #SC-201306

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10053794

      MERCEDES: THE SOFTWARE FOR ENGINE CONTROL MODULE FAILS TO CORRESPOND TO CURRENT PRODUCTION CONFIGURATION AND WILL NEED TO BE UPDATED. MODEL 2012 172, 204. *PE Read More »

    • TSB #LI54-71-P055558

      Date Announced:
      JAN 22, 2013
      NHTSA ID:
      #10051976

      XENTRY (MERCEDES): DISPLAYED IN MULTIFUNCTION "LANE KEEPING ASSIST IS INOPERATIVE AND ACTIVE LANE KEEPING ASSIST IS INOPERATIVE" WHEN DRIVING OVER LANE MARKING. MODELS 204 (C300, 350, 63, 250). Read More »

    EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH

    • TSB #LI-82-10P-053439

      Date Announced:
      SEP 13, 2013
      NHTSA ID:
      #10045029

      XENTRY (MERCEDES): MESSAGE WILL APPEAR INDICATING HIGH BEAM ASSIST IS ACTIVATED AND IS INOPERATIVE. MODELS 204, 212, 207, 221, 216, 218, AND 166. NO MODEL YEARS LISTED. *PE UPDATED 11/26/13. Read More »

    SEAT BELTS:FRONT:RETRACTOR

    • TSB #40-P-053536

      Date Announced:
      APR 20, 2012
      NHTSA ID:
      #10044220

      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. Read More »

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    • TSB #LI-30-20P058689

      Date Announced:
      MAR 13, 2014
      NHTSA ID:
      #10056233

      XENTRY (MERCEDES): IN THE INSTRUMENT CLUSTER, AN ESP WARNING DUE TO IMPLAUSIBLE ACCELERATOR PEDAL SIGNAL RECEIVED FROM ENGINE CONTROL UNIT. MODEL 2012 172, 212, 218, 207, 204. *PE Read More »

    TIRES:TEMPORARY/EMERGENCY SPARE TIRE

    • TSB #SC-2013110005

      Date Announced:
      NOV 01, 2013
      NHTSA ID:
      #10054840

      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. Read More »

    • TSB #SC-2012070005A

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10053758

      MERCEDES: THE INFORMATION, ON SOME VEHICLES, REGARDING SPARE TIRE SIZE ON THE B-PILLAR TIRE PRESSURE LABEL, IS INCORRECT AND NEEDS TO BE CHECKED AND IF NECESSARY, REPLACED. MODEL 204 (C AND GLK 250, 350,300, 63). Read More »

    EQUIPMENT

    EQUIPMENT:OTHER:LABELS

    • TSB #SC-2012070005A

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10053758

      MERCEDES: THE INFORMATION, ON SOME VEHICLES, REGARDING SPARE TIRE SIZE ON THE B-PILLAR TIRE PRESSURE LABEL, IS INCORRECT AND NEEDS TO BE CHECKED AND IF NECESSARY, REPLACED. MODEL 204 (C AND GLK 250, 350,300, 63). Read More »

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