Technical Service Bulletins (TSBs) for the 2016 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.

    ENGINE (PWS)

    • TSB #LI54-18-P-057927

      Date Announced:
      JUN 04, 2015
      NHTSA ID:
      #10058548

      XENTRY (DAIMLER): STORED IN ENGINE CONTROL UNIT ARE FAULTS RELATING TO THROTTLE VALVE ACTUATOR AND/OR OXYGEN SENSOR DUE TO OCCASIONAL TRANSITION RESISTANCE AT CONTACTS, CAUSING ENGINE DIAGNOSIS WARNING LAMP TO BE INACTIVE. MODEL ALL. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #LI09.00-P-074093

      Date Announced:
      DEC 08, 2021
      NHTSA ID:
      #10206077

      "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 a?? Boost Pressure is Too High"" " Read More »

    ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

    • TSB #NCU-2020070018

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184797

      Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and the California Attorney General?s ... Read More »

    • TSB #NCU-2020110011

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184799

      Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and the California Attorney General?s ... Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #LI8860P073470

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10205814

      Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning Read More »

    • TSB #LI01.30-P-058630

      Date Announced:
      MAR 21, 2014
      NHTSA ID:
      #10167487

      Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE

    • TSB #LI8860P073470

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10205814

      Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning Read More »

    POWER TRAIN

    • TSB #LI27.20-P-059067

      Date Announced:
      MAY 16, 2014
      NHTSA ID:
      #10135970

      Delayed 2-3 Upshift Read More »

    • TSB #LI27.20-P-055758

      Date Announced:
      JUL 30, 2013
      NHTSA ID:
      #10167546

      FC 2783 (Friction power of torque converter lockup clutch is too high) or FC 0741 (Actuation of torque converter lockup clutch not possible) stored in transmission control unit. Read More »

    ELECTRICAL SYSTEM

    • TSB #LI68.05-P-060306

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10207198

      Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. Read More »

    • TSB #LI68.05-P-060307

      Date Announced:
      JAN 09, 2022
      NHTSA ID:
      #10207199

      Complaint The range of the integrated garage door opener (GTO) is too short. Cause 1. Vehicles equipped with infrared windows and/or a heated windshield may suffer from complaints involving low transmission power. 2. Read More »

    • TSB #LI8330P0646722

      Date Announced:
      AUG 17, 2016
      NHTSA ID:
      #10205251

      Engine fan runs continuously, a/c inoperable or, engine light illuminates sporadically. Read More »

    • TSB #LI8330P0646721

      Date Announced:
      AUG 11, 2016
      NHTSA ID:
      #10205250

      Engine fan runs continuously, a/c inoperable or, engine light illuminates sporadically. Read More »

    • TSB #LI01.30-P-058630

      Date Announced:
      MAR 21, 2014
      NHTSA ID:
      #10167487

      Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278. 1. Left cylinder head: Oil passage plug hole on left beside mechanical vacuum pump. 2. Read More »

    • TSB #LI82.95-P-056655

      Date Announced:
      JUL 12, 2013
      NHTSA ID:
      #10167564

      Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement. Read More »

    • TSB #LI82.85-P-055695

      Date Announced:
      JUL 08, 2013
      NHTSA ID:
      #10167563

      The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30). Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #Launch NCU - 202

      Date Announced:
      JAN 07, 2021
      NHTSA ID:
      #10187793

      Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2013-2017 B-Class, C-Class, CLA-Class, CLS-Class, E-Class, G-Class, GL-Class, GLA-Class, GLC-Class, GLE-Class, GLK-Class, ... Read More »

    • TSB #LI30.30-P-055823

      Date Announced:
      FEB 11, 2014
      NHTSA ID:
      #10166988

      Collision Prevention Assist (CPA) may warn for no obvious reason (optical and/or acoustic warning message). Read More »

    • TSB #LI8270P056963

      Date Announced:
      AUG 21, 2013
      NHTSA ID:
      #10205234

      Software update of COMAND Online control unit. Read More »

    • TSB #LI8270P055572

      Date Announced:
      AUG 05, 2013
      NHTSA ID:
      #10205233

      Mobile phone cotacts are not transferred completely. Read More »

    • TSB #LI8285P053927

      Date Announced:
      AUG 05, 2013
      NHTSA ID:
      #10205236

      "Metadata loss- Please reimport all media data". Read More »

    EXTERIOR LIGHTING:HEADLIGHTS

    EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH

    VISIBILITY

    STRUCTURE:BODY:DOOR

    TIRES

    SEATS

    • TSB #LI91.18-P-077075

      Date Announced:
      DEC 04, 2023
      NHTSA ID:
      #10248162

      Crease formation on genuine leather seat covers in vehicles with low mileage ??A?A? Objects left on the seats for extended periods of time (pressure marks). ??A?A? Objects wedged between the seat backrest and seat cushion (e.g. Read More »

    SEATS:FRONT ASSEMBLY:POWER ADJUST

    LANE DEPARTURE

    • TSB #LI30.30-P-055823

      Date Announced:
      FEB 11, 2014
      NHTSA ID:
      #10166988

      Collision Prevention Assist (CPA) may warn for no obvious reason (optical and/or acoustic warning message). Read More »

    INTERIOR LIGHTING

    EQUIPMENT

    • TSB #NCU-2020070018

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184797

      Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air Resources Board (CARB), and the California Attorney General?s ... Read More »

    • TSB #NCU - HVAC Warra

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176670

      To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlement regarding claims relating to alleged mold and mildew ... Read More »

    • TSB #SC-2015060002

      Date Announced:
      JUL 17, 2015
      NHTSA ID:
      #10058542

      MERCEDES: DETERMINATION OF A LEAKAGE AT TURBOCHARGER OIL FEED LINE, WHICH FAILS TO MEET SERIES PRODUCTION, NEEDS TO BE INSPECTED AND REPLACED, IF NECESSARY. MODEL 2015-16 190 (GTS), 205 (C-CLASS). Read More »

    • TSB #GI88.40-P-057430

      Date Announced:
      FEB 03, 2014
      NHTSA ID:
      #10166976

      Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual" Read More »

    EQUIPMENT:ELECTRICAL

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #LI82-85P060258

      Date Announced:
      JUN 15, 2015
      NHTSA ID:
      #10058562

      XENTRY (MERCEDES): DUE TO SOFTWARE OF AUDIO20 CONTROL UNIT AND VERSION OF GARMIN SD CARD, AUDIO SWITCHES OFF AFTER STARTING AND AUDIO NOT AVAILABLE, HAS VERTICAL LINES, DISPLAYS FLICKERS. MODEL 205. NO YEARS LISTED. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #Launch NCU - 202

      Date Announced:
      JAN 07, 2021
      NHTSA ID:
      #10187793

      Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (?MY?) 2013-2017 B-Class, C-Class, CLA-Class, CLS-Class, E-Class, G-Class, GL-Class, GLA-Class, GLC-Class, GLE-Class, GLK-Class, ... Read More »

    • TSB #LI8285P0647651

      Date Announced:
      AUG 25, 2016
      NHTSA ID:
      #10205247

      Traffic information service and posibly the voice control, nonfunctional after navigation software update. Read More »

    EQUIPMENT:OTHER:LABELS