Technical Service Bulletins (TSBs) for the 2014 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.
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 »
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 »
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2014-2020 S-Class (217 and 222 platform) vehicles, the incorrect pilot bushings may have been installed in the ... Read More »
Creaking noises from the area of the air suspension strut on the front axle when driving over bumps with the steering turned. Topic only reported from outer wheel until now. Read More »
Mercedes-Benz AG (a??MBAGa??), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (a??MYa??) 2014-2020 S-Class (217 and 222 platform) vehicles, the incorrect pilot bushings may have been installed in the ... Read More »
Squeaking noises from the service brake when braking. The complaint occurs primarily at low speeds when the operating temperature of the brakes is low. Read More »
MERCEDES: S CLASS AND S COUPE: THE MANUFACTURER OF MERCEDES THAT FRONT AND REAR BRAKE PADS MAY CAUSE BRAKING NOISE WHEN OUTSIDE LOW TEMPERATURES. WHICH DOES NOT MEET SPECIFICATIONS. *LJ Read More »
XENTRY (MERCEDES): STORED IN ENGINE CONTROL UNIT (ECU) IS FAULT TO EXHAUST BACK PRESSURE SENSOR CAUSING ENGINE TO BE IN LIMP HOME MODE AND DIAGNOSIS WARNING LAMP ACTIVATED. MODEL 176, 246, 204, 212, 166, 207, 218, 221, 251. Read More »
MERCEDES: INFORMATION REGARDING UPDATE TO ENGINE AND TRANSMISSION CONTROL MODULE SOFTWARE FOR SHIFT QUALITY DURING COAST DOWN SHIFTING. MODEL 2014 222 AMG. *PE Read More »
This NCU replaces the prior NCU issued on May 11, 2023, and clarifies replacement part information. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, ... Read More »
This extended warranty applies to the following condition that may necessitate the repair or replacement of the catalytic converter system and is related to: a?? A check engine Malfunction Indicator Lamp (a??MILa??) may illuminate due to ... Read More »
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 »
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 »
XENTRY (MERCEDES): STORED IN ENGINE CONTROL UNIT (ECU) IS FAULT TO EXHAUST BACK PRESSURE SENSOR CAUSING ENGINE TO BE IN LIMP HOME MODE AND DIAGNOSIS WARNING LAMP ACTIVATED. MODEL 176, 246, 204, 212, 166, 207, 218, 221, 251. Read More »
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS
MERCEDES: RADIATOR FAN CONTROL UNIT HAS A FAILURE OF ELECTROLYTE CAPACITOR CAUSING AIR CONDITION TO MALFUNCTION. MODEL 2014-15 222 (S-CLASS). *PE Read More »
This NCU replaces the prior NCU issued on May 11, 2023, and clarifies replacement part information. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, ... Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This extended warranty applies to the following condition that may necessitate the repair or replacement of the catalytic converter system and is related to: a?? A check engine Malfunction Indicator Lamp (a??MILa??) may illuminate due to ... Read More »
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 »
5 to 4 coasting downshift - shift quality concern with cold trans- mission oil on MODEL 217 or 222 in combination with ENGI- NE 278 and TRANSMISSION 722.9 without code 835/498 Read More »
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 »
MERCEDES: INFORMATION REGARDING UPDATE TO ENGINE AND TRANSMISSION CONTROL MODULE SOFTWARE FOR SHIFT QUALITY DURING COAST DOWN SHIFTING. MODEL 2014 222 AMG. *PE Read More »
The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). Read More »
Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data in the SAM module to access the health of the 12 volt ... Read More »
Complaint The garage door hand transmitter cannot be initialized with the integrated garage door opener in the inside rearview mirror. Cause 1. Read More »
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 »
The trunk lid sometimes does not open completely and does not close (completely). This complaint is accompanied by the following symptoms: - Illumination of the trunk lid control button (S62/26) fails. Read More »
The animation in individual vehicle settings such as, e.g. mirror folding function or seat belt adjustment is missing. Note: The functions of these vehicle settings are not affected. Read More »
Engine diagnosis warning lamp (check engine light - CEL) lights up in instrument cluster. Fault codes relating to combustion misfiring are logged in the fault memory of the engine control unit. Read More »
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 »
When on rough roads and with side loads applied to the center console (leg support) cracking noise may occur in the transition between the instrument panel and the center console. Read More »
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 »
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 »
MERCEDES: MODEL YEARS 2014-2015 MAY EXPERIENCE ISSUES WITH THE 360 CAMERA CONTROL SOFTWARE WHICH MAY CAUSE COMPLICATIONS DURING NIGHT TIME USAGE. *LJ Read More »
MERCEDES: THE CURRENT PRODUCTION CONFIGURATION AND COMAND CONTROL MODULE SYSTEM FAILS TO CORRESPOND AND THE SOFTWARE FOR COMAND CONTROL MODULE NEEDS UPDATING. MODEL 2015 S CLASS. *PE Read More »
MERCEDES: INFORMATION REGARDING UPDATE TO ENGINE AND TRANSMISSION CONTROL MODULE SOFTWARE FOR SHIFT QUALITY DURING COAST DOWN SHIFTING. MODEL 2014 222 AMG. *PE Read More »
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 »
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 »
The trunk lid sometimes does not open completely and does not close (completely). This complaint is accompanied by the following symptoms: - Illumination of the trunk lid control button (S62/26) fails. Read More »
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 »
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
XENTRY (MERCEDES): FOLLOWING MESSAGE DISPLAYED IN INSTRUMENT CLUSTER PRE-SAFE FUNCTIONS RESTRICTED WHEN THE MALFUNCTIONING OR NO WARNING, FOR OBVIOUS REASONS (VISUAL & ACOUSTIC) OF COLLISION PREVENTION ASSIST. MODEL 212, 222, 156, 117. Read More »
XENTRY (MERCEDES): DUE TO AN ERROR IN SOFTWARE DOOR CONTROL UNIT, THE ACTIVE BLIND SPORT ASSIST INTERMITTENLY IS INOPERATIVE. MODEL 204.2,3,9, 212, 207. *PE Read More »
The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). Read More »
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 »
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 »
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 »
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 »
MERCEDES: RADIATOR FAN CONTROL UNIT HAS A FAILURE OF ELECTROLYTE CAPACITOR CAUSING AIR CONDITION TO MALFUNCTION. MODEL 2014-15 222 (S-CLASS). *PE Read More »
XENTRY (MERCEDES): CONTROL UNITS INSTALLED, UNDER DRIVER/FRONT PASSENGER SEAT, HAS WATER ENTERING TRAY, CAUSED BY CONDENSATION HOSE OF A/C HOUSING BEING EITHER DISLOCATED, PINCHED, CRUSHED OR LEAKING. MODEL ALL. Read More »
