Technical Service Bulletins (TSBs) for the 2008 S550 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

    • TSB #20-P-053398

      Date Announced:
      MAR 12, 2012
      NHTSA ID:
      #10044181

      XENTRY: RATTLING/THUMPING NOISES FROM THE AREA OF THE STEERING ON ROUGH ROADS OR WHEN DRIVING OVER ROAD UNDULATIONS. NO MODEL YEARS GIVEN. ALSO INCLUDED MODELS 168 AND 172. *JS Read More »

    STEERING: STEERING WHEEL/HANDLE BAR

    • TSB #PB-54-21-201

      Date Announced:
      JUN 02, 2008
      NHTSA ID:
      #10025901

      MERCEDES-BENZ: MULTIFUNCTION STEERING WHEEL BEING INOPERATIVE, THIS MAY BE DUE TO THE ELECTRONICS OF THE STEERING WHEEL BEING DEFECTIVE. *PE Read More »

    STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

    • TSB #LI46-20-P-048871

      Date Announced:
      FEB 18, 2010
      NHTSA ID:
      #10034609

      MERCEDES: RATTLING OR DULL KNOCKING NOISE COMING FROM THE AREA OF THE STEERING SYSTEM WHEN DRIVING OVER ROUGH ROAD. *PE Read More »

    SUSPENSION:FRONT

    • TSB #PB-32-22-64

      Date Announced:
      JUN 04, 2008
      NHTSA ID:
      #10025881

      MERCEDES-BENZ: VEHICLE DOES NOT LOWER AT FRONT AXLE AND AIRMATIC VISIT WORKSHOP IS DISPLAYED IN THE INSTRUMENT CLUSTER. MODEL 221.171/186 (S550 (2007) AND S550 4 MATIC (2008). *PE Read More »

    SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

    • TSB #SB-32-25-82

      Date Announced:
      NOV 19, 2010
      NHTSA ID:
      #10037408

      MERCEDES-BENZ: SHOCK ABSORBER PROCEDURE. *RM Read More »

    • TSB #TB-P-047927

      Date Announced:
      SEP 17, 2009
      NHTSA ID:
      #10032727

      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 ... Read More »

    SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:LINES AND FITTINGS

    • TSB #TB-P-047927

      Date Announced:
      SEP 17, 2009
      NHTSA ID:
      #10032727

      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 ... Read More »

    SUSPENSION:FRONT:SHOCK ABSORBER

    SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #SB-32-25-82

      Date Announced:
      NOV 19, 2010
      NHTSA ID:
      #10037408

      MERCEDES-BENZ: SHOCK ABSORBER PROCEDURE. *RM Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #LI-42-47

      Date Announced:
      OCT 02, 2012
      NHTSA ID:
      #10037918

      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 Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:SHOES/LININGS

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

    • TSB #TSB-42-10-109

      Date Announced:
      JUN 15, 2009
      NHTSA ID:
      #10030929

      MERCEDES: CORROSION PROTECTION COATINGS FOR BRAKE COMPONENTS AND HARDWARE MAY BE DAMAGED AND OR STRIPPED AWAY IF HIGHLY CONCENTRATED ACID BASED CLEANERS ARE USED. Read More »

    SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

    • TSB #PB-32-22-75

      Date Announced:
      MAR 20, 2009
      NHTSA ID:
      #10028605

      MERCEDES VEHICLE: AIRMATIC VISIT WORKSHOP DISPLAYED WITHIN INSTRUMENT CLUSTER. MODEL 221.171 AND 221.186. MODEL YEARS UNKNOWN. *PE Read More »

    SERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH

    • TSB #PB-32-22-75

      Date Announced:
      MAR 20, 2009
      NHTSA ID:
      #10028605

      MERCEDES VEHICLE: AIRMATIC VISIT WORKSHOP DISPLAYED WITHIN INSTRUMENT CLUSTER. MODEL 221.171 AND 221.186. MODEL YEARS UNKNOWN. *PE Read More »

    PARKING BRAKE

    • TSB #422081

      Date Announced:
      OCT 26, 2007
      NHTSA ID:
      #10023494

      MERCEDES-BENZ - PARKING BRAKE CANNOT BE OPERATED. MODELS S63, S65, S550, S600. MODEL YEAR UNKNOWN. *NJ Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #LI-05-20-P

      Date Announced:
      MAY 31, 2011
      NHTSA ID:
      #10039256

      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 Read More »

    • TSB #P-049241

      Date Announced:
      JUN 07, 2010
      NHTSA ID:
      #10034151

      MERCEDES: ENGINE START/STOP, ENGINE STARTS UP AT RANDOM OR 12 V ON BOARD ELECTRICAL SYSTEM VOLTAGE TOO LOW. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:DIESEL

    • TSB #P-049241

      Date Announced:
      JUN 07, 2010
      NHTSA ID:
      #10034151

      MERCEDES: ENGINE START/STOP, ENGINE STARTS UP AT RANDOM OR 12 V ON BOARD ELECTRICAL SYSTEM VOLTAGE TOO LOW. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #SCB-2008090001

      Date Announced:
      OCT 01, 2008
      NHTSA ID:
      #10027905

      MERCEDES BENZ: CHECK AUXILIARY TRANSMISSION OIL COOLER THERMOSTAT FOR LEAKS, REPLACE O RINGS IF NECESSARY. *PE Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

    • TSB #LI27-20P-052096

      Date Announced:
      JUN 29, 2011
      NHTSA ID:
      #10040984

      MERCEDES-BENZ: THE VEHICLE JERKS DURING LIGHT BRAKING. THE ALTERNATOR ENGAGES TOO EARLY DURING BRAKING. *RM Read More »

    ELECTRICAL SYSTEM

    • TSB #SB-32-22-78

      Date Announced:
      MAY 06, 2009
      NHTSA ID:
      #10028686

      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. Read More »

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

    • TSB #P-049241

      Date Announced:
      JUN 07, 2010
      NHTSA ID:
      #10034151

      MERCEDES: ENGINE START/STOP, ENGINE STARTS UP AT RANDOM OR 12 V ON BOARD ELECTRICAL SYSTEM VOLTAGE TOO LOW. Read More »

    • TSB #LI-54-10

      Date Announced:
      MAY 17, 2010
      NHTSA ID:
      #10036741

      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. Read More »

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

    • TSB #LI-54-10

      Date Announced:
      MAY 17, 2010
      NHTSA ID:
      #10036741

      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. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #SB-32-22-78

      Date Announced:
      MAY 06, 2009
      NHTSA ID:
      #10028686

      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. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #LI-54-70

      Date Announced:
      APR 27, 2011
      NHTSA ID:
      #10038975

      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 Read More »

    • TSB #PB-32-22-64

      Date Announced:
      JUN 04, 2008
      NHTSA ID:
      #10025881

      MERCEDES-BENZ: VEHICLE DOES NOT LOWER AT FRONT AXLE AND AIRMATIC VISIT WORKSHOP IS DISPLAYED IN THE INSTRUMENT CLUSTER. MODEL 221.171/186 (S550 (2007) AND S550 4 MATIC (2008). *PE Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #LI-82-85

      Date Announced:
      DEC 08, 2010
      NHTSA ID:
      #10037986

      MERCEDES BENZ- WHEN DOING A SOFTWARE UPDATE THE UPDATE FAILS AND THE TUNER GOES TO BOOT MODE. *RM Read More »

    • TSB #C1A-091101

      Date Announced:
      NOV 01, 2009
      NHTSA ID:
      #10034566

      MERCEDES BENZ: REPROGRAM MBRACE (N123/4) DIALED NUMBERS TO HUGHES. THIS ACTION APPLIES TO NEW VEHICLE INVENTORY ONLY. *PE Read More »

    SEAT BELTS

    • TSB #40-P-052794

      Date Announced:
      APR 20, 2012
      NHTSA ID:
      #10044222

      MERCEDES BENZ: FRONT OR REAR SEAT BELT DOES NOT ROLL UP CORRECTLY. DIRT DEPOSITS ON THE SEAT BELT GUIDE DUE TO SOILED SEAT BELT. ALSO INCLUDED MODELS 169, F CELL, 246, AND 231. NO MODEL YEARS GIVEN. Read More »

    SEAT BELTS:FRONT:RETRACTOR

    • TSB #LI91-40-P-047183

      Date Announced:
      APR 05, 2012
      NHTSA ID:
      #10034605

      MERCEDES: SEAT BELTS, EMERGENCY TENSIONING RETRACTORS. MODEL SERIES 204 (WITH CODES 299 AND 800), 207, 212. SEAT BELT CAN ONLY BE PULLED OUT WITH GREAT EFFORT. Read More »

    STRUCTURE:BODY:DOOR

    • TSB #PB-72-12-60B

      Date Announced:
      AUG 21, 2008
      NHTSA ID:
      #10027844

      MERCEDES BENZ: POWER CLOSING ON LEFT/ RIGHT REAR DOOR NOT OPERATING CORRECTLY. OPENING LEFT/RIGHT REAR DOOR FROM OUTSIDE, HANDLE DOES NOT RETURN TO REST POSITION. OUTSIDE LEFT/RIGHT REAR DOOR HANDLE DOES NOT OPERATE CORRECTLY. Read More »

    STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

    • TSB #PB-72-12-60B

      Date Announced:
      AUG 21, 2008
      NHTSA ID:
      #10027844

      MERCEDES BENZ: POWER CLOSING ON LEFT/ RIGHT REAR DOOR NOT OPERATING CORRECTLY. OPENING LEFT/RIGHT REAR DOOR FROM OUTSIDE, HANDLE DOES NOT RETURN TO REST POSITION. OUTSIDE LEFT/RIGHT REAR DOOR HANDLE DOES NOT OPERATE CORRECTLY. Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #PB-72-12-60B

      Date Announced:
      AUG 21, 2008
      NHTSA ID:
      #10027844

      MERCEDES BENZ: POWER CLOSING ON LEFT/ RIGHT REAR DOOR NOT OPERATING CORRECTLY. OPENING LEFT/RIGHT REAR DOOR FROM OUTSIDE, HANDLE DOES NOT RETURN TO REST POSITION. OUTSIDE LEFT/RIGHT REAR DOOR HANDLE DOES NOT OPERATE CORRECTLY. Read More »

    • TSB #720085

      Date Announced:
      SEP 28, 2007
      NHTSA ID:
      #10023376

      MERCEDES-BENZ - MODEL S63, S65, S550, S600 - OUTSIDE DOOR HANDLE STICKS IN PULLED POSITION. MODEL YEAR UNKNOWN. *NJ Read More »

    TIRES:TEMPORARY/EMERGENCY SPARE TIRE

    • TSB #SB-2009020005

      Date Announced:
      MAY 01, 2009
      NHTSA ID:
      #10028604

      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. Read More »

    SEATS

    • TSB #2007080004

      Date Announced:
      SEP 01, 2007
      NHTSA ID:
      #10023373

      MERCEDES-BENZ - INSTALL SOFTWARE FOR DYNAMIC AND/OR MULTICONTOUR SEAT CONTROL MODULES. *NJ Read More »

    • TSB #2007080001

      Date Announced:
      AUG 01, 2007
      NHTSA ID:
      #10023374

      MERCEDES-BENZ - UPDATE SOFTWARE FOR DYNAMIC/MULTI-CONTOUR SEAT CONTROL MODULES. *NJ Read More »

    SEATS:FRONT ASSEMBLY:POWER ADJUST

    • TSB #SB-P-047254

      Date Announced:
      SEP 08, 2009
      NHTSA ID:
      #10032724

      DAIMLER: THE WEIGHT SENSING SYSTEM (WSS) OR THE RIGHT FRONT SEAT ADJUSTER WITH WSS WHICH NECESSITATE THE REPLACEMENT OF THE SEAT ADJUSTER. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #LI-82-85

      Date Announced:
      DEC 08, 2010
      NHTSA ID:
      #10037986

      MERCEDES BENZ- WHEN DOING A SOFTWARE UPDATE THE UPDATE FAILS AND THE TUNER GOES TO BOOT MODE. *RM Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #TSB-2009020004

      Date Announced:
      MAR 01, 2009
      NHTSA ID:
      #10030665

      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. Read More »

    UNKNOWN OR OTHER

    • TSB #TSB-2009020004

      Date Announced:
      MAR 01, 2009
      NHTSA ID:
      #10030665

      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. Read More »