2012 Mercedes-Benz ML550
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2012 ML550 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.
-
TSB #NCU-2019080019
The aluminum bolts of the steering gear housing cover and the aluminum bolts on the powerpack may corrode in corrosion-critical countries where exposed combination with particularly aggressive thawing agents (saltwater mixtures) in ... Read More »
-
TSB #LI46-35P059241
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 #LI46.15-P-058505
Creaking noise when making vertical or longitudinal adjustment to electrical steering column Read More »
-
TSB #LI33.30-P-056665
Single, throttle lift-off, clunking noise from the side shaft when starting off (audible at the wheel). The clunk is heard once when changing from forward to reverse (and vice versa). Read More »
-
TSB #LI46-20P-055943
XENTRY (MERCEDES): RATTLING NOISE COMING FROM THE AREA OF THE STEERING COLUMN TUBE SYSTEM, WHEN DRIVING OVER ROUGH ROAD AND WHEN ACCELERATING OR BRAKING, THERE WOULD BE CRACKING NOISES. MODELS 164, 251. NO MODEL YEARS LISTED. Read More »
-
TSB #LI46-10P-054715
MERCEDES (XENTRY): DUE TO AMINE DEPOSITS FROM STEERING WHEEL FOAM, HORN PLATE OF STEERING WHEEL, SHORT CIRCUITED, CAUSING THE MULTIFUNCTION BUTTONS, ON STEERING WHEEL, TO BE NON-FUNCTIONAL. MODELS 164, 251. NO MODEL YEARS LISTED. Read More »
-
TSB #LI46-20P-055943
XENTRY (MERCEDES): RATTLING NOISE COMING FROM THE AREA OF THE STEERING COLUMN TUBE SYSTEM, WHEN DRIVING OVER ROUGH ROAD AND WHEN ACCELERATING OR BRAKING, THERE WOULD BE CRACKING NOISES. MODELS 164, 251. NO MODEL YEARS LISTED. Read More »
-
TSB #NCU-2019080019
The aluminum bolts of the steering gear housing cover and the aluminum bolts on the powerpack may corrode in corrosion-critical countries where exposed combination with particularly aggressive thawing agents (saltwater mixtures) in ... Read More »
-
TSB #LI46-20P-055943
XENTRY (MERCEDES): RATTLING NOISE COMING FROM THE AREA OF THE STEERING COLUMN TUBE SYSTEM, WHEN DRIVING OVER ROUGH ROAD AND WHEN ACCELERATING OR BRAKING, THERE WOULD BE CRACKING NOISES. MODELS 164, 251. NO MODEL YEARS LISTED. Read More »
-
TSB #LI32.34-P-058736
ACTIVE CURVE SYSTEM malfunction in instrument cluster in combination with the following fault codes in the ACS control unit: P100000: The oil pressure at the front axle is too low. (Veh. up to approx. Read More »
-
TSB #LI32.34-P-058735
Rumbling noises from the area of the front axle. Read More »
-
TSB #LI46.10-P-054699
Cracking, clunking noise when braking the vehicle to a stop or when moving off, when the suspension compresses and rebounds at the front axle. Sometimes a single jolt can also be felt at the steering wheel. Read More »
-
TSB #LI32.20-P-057942
Thumping noises from front axle when driving over bumps on road. Read More »
-
TSB #LI32.34-P-056667
Thumping noises at the front axle when driving over road bumps Read More »
-
TSB #LI32.34-P-056198
1. In vehicles up to VIN 166 ### #A 097760 without code 803, the following fault code is logged in the quick test: P1C9B00. The control unit 'Roll control' has a malfunction. 2. Read More »
-
TSB #SC-2012110001
MERCEDES: DUE TO A POSSIBLE LEAKAGE AT AIR SUSPENSION STRUT, HISSING NOISES COMING FROM FRONT AXLE AND MAY NEED TO REPLACE ONE OR BOTH OF FRONT STRUTS. MODELS 2012 166. *PE Read More »
-
TSB #SC-2012110001
MERCEDES: DUE TO A POSSIBLE LEAKAGE AT AIR SUSPENSION STRUT, HISSING NOISES COMING FROM FRONT AXLE AND MAY NEED TO REPLACE ONE OR BOTH OF FRONT STRUTS. MODELS 2012 166. *PE Read More »
-
TSB #SC-2019040001
Update engine electronics (ME-SFI) control unit software Read More »
-
TSB #LI07.08-P-060993
Engine diagnosis warning lamp lights up in instrument cluster, fault code U145400: "Implausible data were received from the ethanol sensor" Read More »
-
TSB #LI-30-20P058689
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 #SC-2013050002
MERCEDES: THE ENGINE CONTROL MODULE SOFTWARE FAILS TO CORRESPOND WITH CURRENT CONFIGURATION PRODUCTION AND WILL BE UPDATED BY AN AUTHORIZED DEALER. MODELS 2012 166 (ML350, 550, 63, GL 350, 450, 550, 63). Read More »
-
TSB #NCU-2023060005
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (??A?A?MY??A?A?) 2009-2012 GL-Class, ML-Class, R-Class, and S-Class (164/166, 251, 221 platforms) vehicles, the coding for ... Read More »
-
TSB #CL-ELWExhaustVal
Why the warranty extension? On certain Model Year 2011-2016 CL/CLS/S/E/ML/SL/G/GL/GLE-Class vehicles with V8 engines, the exhaust valve assembly might not work properly and result in an engine misfire and potential illumination of the ... Read More »
-
TSB #ELW-ExhaustValve
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (a??MBUSAa??) is extending the warranty coverage on the exhaust valve system in ... Read More »
-
TSB #LI05.10-P-056435
Engine rattling noise after engine start for several seconds Read More »
-
TSB #T-B-32.34-84
Oil spray or fouling on the ACTIVE CURVE SYSTEM is not related to leakage of the hydraulic pump. Read More »
-
TSB #LI14.20-P-052079
Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700 Read More »
-
TSB #LI47.40-P-053871
Engine diagnosis warning lamp activated. Fault code P045600 "Very fine leak" or P044200 "Fine leak" stored in engine control unit. Read More »
-
TSB #SC-2013050002
MERCEDES: THE ENGINE CONTROL MODULE SOFTWARE FAILS TO CORRESPOND WITH CURRENT CONFIGURATION PRODUCTION AND WILL BE UPDATED BY AN AUTHORIZED DEALER. MODELS 2012 166 (ML350, 550, 63, GL 350, 450, 550, 63). Read More »
-
TSB #NCU-2020110011
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 #LI01.30-P-058630
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 #LI07.16-P-055799
Fault code(s) 13BA00, 13BB00, 13BC00, 13BD00, 13BE00, 13BF00 - Maximum actuation period exceeded during zero quantity calibration for injector of cylinder x stored in engine control unit Read More »
-
TSB #LI35 30-P-058566
Throttle lift-off clunking noises at drive shafts of rear axle Read More »
-
TSB #LI27.00-P-059110
The 1-2, 2-3 and/or 3-4 acceleration upshift can be uncomfortable when the transmission oil is cold. Read More »
-
TSB #LI42.10-P-058641
Brake linings on rear axle exhibit differential wear Read More »
-
TSB #LI27.20-P-055758
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 »
-
TSB #NCU-2023060005
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (??A?A?MY??A?A?) 2009-2012 GL-Class, ML-Class, R-Class, and S-Class (164/166, 251, 221 platforms) vehicles, the coding for ... Read More »
-
TSB #LI67.30-P-052837
Side windows may make noises when closing and opening, or reverse direction when closing. Read More »
-
TSB #LI01.30-P-058630
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 #LI30.20-P-058689
ESP warning message in instrument cluster. One of the fault codes C219700 or 630900 is logged in the ESP control unit (N30/4). Read More »
-
TSB #LI49.20-P-056353
Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit. Read More »
-
TSB #LI54.21-P-057930
The rear seat heating cannot be activated when the customer has set the ambiance illumination to "Neutral" and "Stage 1" or "Stage 2" in the instrument cluster. Read More »
-
TSB #LI49.20-P-056353
Engine diagnosis warning lamp active. Fault code 20BE1B and/or 20BD1B (The heating element of the AdBlue tank has a malfunction) is logged in the Blue-Tec control unit. Read More »
-
TSB #LI54.25-P-056472
The key is not recognized in the electronic ignition switch, the vehicle cannot be started and/or the automatic transmission may perform an "Automatic P function" at speeds below 6 km/h. Read More »
-
TSB #S-SC- 2013090008
This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the mbrace software does not correspond to current production configuration. Read More »
-
TSB #LI54-18P-057840
XENTRY (MERCEDES): BETWEEN THE FRONT BUMPER TO INTERIOR WIRING HARNESS, THERE MAY BE CORROSION AT ELECTRICAL CONNECTING POINT. *PE Read More »
-
TSB #LI49.20-P-057101
Engine diagnosis warning lamp lights up. Fault code 20B91B, 20B913 (The output for the heating element of the AdBlue pressure line has an electrical fault or an open circuit) is stored in the SCR control unit. Read More »
-
TSB #LI82.95-P-056655
Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement. Read More »
-
TSB #LI82.85-P-055695
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 »
-
TSB #LI54-15-P057373
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 #LI46-35P059241
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
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 #SC-2019040001
Update engine electronics (ME-SFI) control unit software Read More »
-
TSB #SC-2013050002
MERCEDES: THE ENGINE CONTROL MODULE SOFTWARE FAILS TO CORRESPOND WITH CURRENT CONFIGURATION PRODUCTION AND WILL BE UPDATED BY AN AUTHORIZED DEALER. MODELS 2012 166 (ML350, 550, 63, GL 350, 450, 550, 63). Read More »
-
TSB #LI8270P056963
Software update of COMAND Online control unit. Read More »
-
TSB #LI8270P055572
Mobile phone cotacts are not transferred completely. Read More »
-
TSB #LI82.10-P-064766
Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »
-
TSB #LI82.10-P-064766
Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »
-
TSB #LI67.30-P-052837
Side windows may make noises when closing and opening, or reverse direction when closing. Read More »
-
TSB #LI72.00-P-058635
Cracking noises or squeaking noises at the doors in the area of the window frame while driving, especially when driving on rough roads. Read More »
-
TSB #S-B-67.00-29
Since 12/2012 (model 166) and since 06/2013 (model 242) the glass breakage loops are no longer in the side windows and rear window. Suitable interior protection ensures that the interior monitoring function continues to operate correctly. Read More »
-
TSB #LI77.21-P-072113
Creaking noise from fixed glass section of panoramic roof in area of rear passenger compartment grab handles Read More »
-
TSB #LI68.30-P-058750
Belt holder/ retaining tab on side paneling in trunk is broken Read More »
-
TSB #LI72.00-P-058635
Cracking noises or squeaking noises at the doors in the area of the window frame while driving, especially when driving on rough roads. Read More »
-
TSB #LI54.15-P-057929
The liftgate can no longer be opened when the ambiance illumination is set to stage 1 or 2. Read More »
-
TSB #LI-30-20P058689
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 #LI91.18-P-077075
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 »
-
TSB #LI91.29-P-053247
The electric seat adjustment and/or the seat heater/seat ventilation or rear monitor is nonfunctional Read More »
-
TSB #LI54.71-P-056477
Blind Spot Assist inoperative. Read More »
-
TSB #LI82.20-P-073063
Complaint The touchpad dimming function does not work and the search lighting is either at maximum brightness or fully off (dependent upon dimming signal). Read More »
-
TSB #LI8220P073063
Touch pad: Search lighting does not dim or does not turn on. Read More »
-
TSB #LI82.85-P-071453
Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »
-
TSB #LI68.20-P-070037
Armrest In Center Console (Front) Only Opens On One Side Or Not At All - Model Series 167 Read More »
-
TSB #NCU-2019080019
The aluminum bolts of the steering gear housing cover and the aluminum bolts on the powerpack may corrode in corrosion-critical countries where exposed combination with particularly aggressive thawing agents (saltwater mixtures) in ... Read More »
-
TSB #LI82.10-P-064766
Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Read More »
-
TSB #NCU - HVAC Warra
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 #LI83.30-P-059119
Oxidation products of the cavity preservation can enter the interior compartment via the air conditioning. Read More »
-
TSB #P-B-82.85-703
A production fault means that the telematics DVD A 166 827 14 00 cannot be used. Because of this the previous telematics DVDs A 204 827 03 65 and A 204 827 10 65 must continue to be used for control unit programming. Read More »
-
TSB #LI82.85-P-058582
Apple products (iPhone or iPod) are not charged via the serial USB interface of the COMAND Online control unit (A40/3) in the stowage compartment of the center console. Read More »
-
TSB #LI82.62-P-058583
Sound system: Intermittent loss of sound after engine start Read More »
-
TSB #T-B-68.30-83
The complete headliner can no longer be replaced for loose headliner magnets. As described in AR68.30-P-4300GQ, 2-component adhesive A 005 989 09 71 is to be used for gluing on the headliner magnets. Read More »
-
TSB #GI88.40-P-057430
Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual" Read More »
-
TSB #LI83.00-P-055425
A flapping/rattling noise can be heard from the area of the center console towards the rear. Read More »
-
TSB #C1A140101
This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to ensure their mbrace device has registered with the ... Read More »
-
TSB #LI82.85-P-071453
Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional Read More »
-
TSB #NCU-2019080019
The aluminum bolts of the steering gear housing cover and the aluminum bolts on the powerpack may corrode in corrosion-critical countries where exposed combination with particularly aggressive thawing agents (saltwater mixtures) in ... Read More »
-
TSB #T-B-68.30-83
The complete headliner can no longer be replaced for loose headliner magnets. As described in AR68.30-P-4300GQ, 2-component adhesive A 005 989 09 71 is to be used for gluing on the headliner magnets. Read More »