Technical Service Bulletins (TSBs) for the 2011 GL450 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 #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 #LI46-20-P

      Date Announced:
      NOV 29, 2011
      NHTSA ID:
      #10039258

      MERCEDES-BENZ: THE STEERING IS LEAKING IN THE AREA OF INPUT SHAFT, BECAUSE OF WEAR ON A SEAL RING. MODEL 164/251. *RM UPDATED 2/1/12. *PE Read More »

    STEERING:COLUMN

    • TSB #LI-54-10

      Date Announced:
      JUN 06, 2011
      NHTSA ID:
      #10041044

      MERCEDES-BENZ: BATTERY DISCHARGE BECAUSE NO-LOAD DISCHARGE TOO HIGH. *RM Read More »

    STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

    • TSB #LI46-20-P

      Date Announced:
      NOV 29, 2011
      NHTSA ID:
      #10039258

      MERCEDES-BENZ: THE STEERING IS LEAKING IN THE AREA OF INPUT SHAFT, BECAUSE OF WEAR ON A SEAL RING. MODEL 164/251. *RM UPDATED 2/1/12. *PE Read More »

    SUSPENSION

    • TSB #LI32-22-P-047927

      Date Announced:
      FEB 02, 2011
      NHTSA ID:
      #10038024

      MERCEDES-BENZ: THERE ARE DEFECTIVE CONNECTING CABLES THAT ARE DRAINING THE AIRMATIC COMPRESSOR CAUSING THE AIRMATIC LIGHT TO COME ON. *RM Read More »

    SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

    SUSPENSION:FRONT:SHOCK ABSORBER

    SUSPENSION:FRONT:WHEEL BEARING

    • TSB #LI-33-25

      Date Announced:
      APR 09, 2013
      NHTSA ID:
      #10038955

      MERCEDES-BENZ: AT THE FRONT WHEEL BEARING THERE IS A LOUD KNOCK SOUND WHEN GOING AROUND A CORNER AT SLOW SPEEDS. THERE IS AN INSUFFICIENT FIT AT THE BEARINGS. *RM UPDATED 10/14/11. *PE UPDATED 6/19/13. Read More »

    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, AIR:ANTILOCK

    • TSB #LI42-45-P-051201

      Date Announced:
      MAY 05, 2011
      NHTSA ID:
      #10038045

      MERCEDES-BENZ: THERE IS THE POSSIBILITY OF MULTIPLE BRAKE WARNING MESSAGES DISPLAYED. THERE IS A WORN LINE CAUSING FAULT CODES. *RM UPDATED 6/29/11. *PE UPDATED 7/13/11. *PE 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 #LI-03-30

      Date Announced:
      MAR 30, 2011
      NHTSA ID:
      #10041208

      MERCEDES BENZ: ENGINE LIGHT IS ON WITH STORED TROUBLE CODES. *RM Read More »

    • TSB #LI-07-08

      Date Announced:
      DEC 08, 2010
      NHTSA ID:
      #10038227

      MERCEDES-BENZ: THE STARTER CLICKS BUT DOES NOT CRANK WHEN TRYING TO START. A VOLTAGE DIP IS CAUSING THE IGNITION PROCEDURE TO FAIL. *RM Read More »

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    • TSB #LI-47-50

      Date Announced:
      MAR 09, 2011
      NHTSA ID:
      #10041024

      MERCEDES-BENZ: THE FUEL LEVEL INDICATOR IS WRONG. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #LI-27-60-P049270

      Date Announced:
      APR 04, 2011
      NHTSA ID:
      #10038977

      MERCEDES-BENZ: THE AUTO-TRANSMISSION SWITCHES TO LIMP HOME MODE OR HAS NO POWER. THERE ARE MULTIPLE POSSIBLE FAULT CODES. A PISTON MAY BE DAMAGED. *RM Read More »

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

    • TSB #LI-54-10

      Date Announced:
      JUN 06, 2011
      NHTSA ID:
      #10041044

      MERCEDES-BENZ: BATTERY DISCHARGE BECAUSE NO-LOAD DISCHARGE TOO HIGH. *RM Read More »

    ELECTRICAL SYSTEM:STARTER ASSEMBLY

    • TSB #LI-07-08

      Date Announced:
      DEC 08, 2010
      NHTSA ID:
      #10038227

      MERCEDES-BENZ: THE STARTER CLICKS BUT DOES NOT CRANK WHEN TRYING TO START. A VOLTAGE DIP IS CAUSING THE IGNITION PROCEDURE TO FAIL. *RM Read More »

    ELECTRICAL SYSTEM:IGNITION:MODULE

    • TSB #LI-07-08

      Date Announced:
      DEC 08, 2010
      NHTSA ID:
      #10038227

      MERCEDES-BENZ: THE STARTER CLICKS BUT DOES NOT CRANK WHEN TRYING TO START. A VOLTAGE DIP IS CAUSING THE IGNITION PROCEDURE TO FAIL. *RM 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 #LI-47-50

      Date Announced:
      MAR 09, 2011
      NHTSA ID:
      #10041024

      MERCEDES-BENZ: THE FUEL LEVEL INDICATOR IS WRONG. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #SCB-2010110005

      Date Announced:
      MAY 01, 2011
      NHTSA ID:
      #10041269

      MERCEDES BENZ: THERE IS A SOFTWARE PROBLEM RELATING TO THE TANK HEATER LINES. *RM Read More »

    • TSB #SB-20101100005

      Date Announced:
      DEC 01, 2010
      NHTSA ID:
      #10038218

      MERCEDES-BENZ: SOFTWARE UPDATE FOR HEATER LINES. *RM Read More »

    • TSB #SB-2010090007

      Date Announced:
      OCT 01, 2010
      NHTSA ID:
      #10034864

      MERCEDES: UPDATE SOFTWARE FOR THE POWER ELECTRONICS CONTROL MODULE. MODEL 164.195. *PE Read More »

    SEAT BELTS:FRONT

    • TSB #LI-91-40-P050718

      Date Announced:
      APR 05, 2012
      NHTSA ID:
      #10042607

      XENTRY(MERCEDES): BULLETIN PROVIDED REGARDING CONTROL UNIT DETECTING AN UNDERVOLTAGE AFTER BUCKLING UP (BELT SLACK ELIMINATION) DURING SEAT BELT ADJUSTMENT SEQUENCE. *PE UPDATED 5/23/12. Read More »

    STRUCTURE

    • TSB #SCB-2011050006

      Date Announced:
      JUN 01, 2011
      NHTSA ID:
      #10041272

      MERCEDES BENZ: 2011 164. THE UNDERFLOOR SEAM SEAL MAY NOT MEET SPECIFICATIONS. *RM Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #SCB-2011050006

      Date Announced:
      JUN 01, 2011
      NHTSA ID:
      #10041272

      MERCEDES BENZ: 2011 164. THE UNDERFLOOR SEAM SEAL MAY NOT MEET SPECIFICATIONS. *RM Read More »

    WHEELS

    • TSB #SB-40-10-72

      Date Announced:
      MAY 19, 2011
      NHTSA ID:
      #10039259

      MERCEDES-BENZ: INSTALLATION INFORMATION OF BOLTED WHEEL CONNECTIONS. ALL MODELS. *RM Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #LI-68-50

      Date Announced:
      DEC 10, 2010
      NHTSA ID:
      #10037985

      MERCEDES-BENZ: THE LOAD COMPARTMENT ROLLER BLIND HAS CATCH BOLTS LOOSE OR BROKEN FROM IMPROPER FORCE WHEN USING. *RM Read More »