2012 Mercedes-Benz S350
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2012 S350 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.
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TSB #SC-2019040001
Update engine electronics (ME-SFI) control unit software Read More »
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TSB #LI54.10-P-060034
Vehicle cannot be unlocked (CL), engine does not start - 12V starter battery discharged Read More »
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TSB #LI-47-40-P053871
XENTRY (MERCEDES): CHECK ENGINE LIGHT (CEL) IS ACTIVATED; STORED IN ENGINE CONTROL UNIT IS VERY FINE LEAK. AUTOMATIC FUEL TANK LEAK TEST SOFTWARE IS SENSITIVE AND CAN PRODUCES AN ERRONEOUS DIAGNOSIS. Read More »
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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 »
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TSB #NCU-2023060006
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year ("MY") 2012 S-Class (221 platforms) vehicles, the injector codes might no longer be stored in the engine control unit ... Read More »
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TSB #LI54.18-P-058597
The engine diagnosis warning lamp - check engine lamp (CEL) is active. One or more of the faults relating to the throttle valve actuator (M16/6) listed under 'Control unit / Fault' is/are stored in the engine control unit (N3/10). Read More »
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TSB #LI18.30-P-055434
Traces of oil in area of oil cooler (inner V) on engine 642 Read More »
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TSB #LI14.20-P-052079
Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700 Read More »
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TSB #LI05.10-P-056435
Engine rattling noise after engine start for several seconds Read More »
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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 »
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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 »
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TSB #LI27.50-P-071658
Harsh engagement when changing gear range from P to D or R Read More »
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TSB #LI27.60-P-071237
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 »
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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 »
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TSB #NCU-2023060006
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year ("MY") 2012 S-Class (221 platforms) vehicles, the injector codes might no longer be stored in the engine control unit ... Read More »
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TSB #LI54.30-P-072145
NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock Read More »
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TSB #LI54.10-P-060034
Vehicle cannot be unlocked (CL), engine does not start - 12V starter battery discharged Read More »
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TSB #LI91.25-P-048132
Multicontour system fails during air release procedure. The system becomes operational again after an ignition change. Fault code 9E8900 is stored. Read More »
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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 »
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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 »
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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 »
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TSB #P-B-54.10-225d
If it is necessary to replace an HV battery, the return will only be accepted with the filled-out ?Analysis Sheet for Transportability of High-Voltage Batteries Form? accompanied by: , the removed part, the quick test printout, the BMS ... Read More »
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TSB #SB-2011110013
MERCEDES: UPDATE HIGH VOLTAGE BATTERY SOFTWARE. MODEL 221 MODEL YEARS 2010-2012. *KB Read More »
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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 »
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TSB #SCB-2011120005
MERCEDES: DURING THE PRODUCTION PROCESS OF SOME VEHICLES, THE ELECTRONIC IGNITION SWITCH WAS DAMAGED. *PE Read More »
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TSB #LI80.61-P-061174
Vehicle cannot be opened via Keyless-Go and radio remote control Read More »
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TSB #LI54.30-P-072145
NTG5.5: Incorrect time shown on instrument cluster, COMAND display, and analog clock Read More »
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TSB #SC-2019040001
Update engine electronics (ME-SFI) control unit software Read More »
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TSB #LI8270P055572
Mobile phone cotacts are not transferred completely. Read More »
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TSB #SB-2011110013
MERCEDES: UPDATE HIGH VOLTAGE BATTERY SOFTWARE. MODEL 221 MODEL YEARS 2010-2012. *KB Read More »
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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 »
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TSB #LI8210P0647661
Headlamps fogged. Read More »
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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 »
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TSB #LI82.30-P-059239
Complaints about poor wiping effect of winshield wiper Read More »
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TSB #LI91.40-P-059364
Seat belt height adjustment nonfunctional Read More »
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TSB #LI-72-10-P053599
XENTRY(MERCEDES): ON SOME VEHICLES, CAN NOT ENGAGE OR CLOSE FRONT DOOR PROPERLY. MODELS 197.377. NO MODEL YEARS LISTED. *PE Read More »
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TSB #LI-72-10-P053599
XENTRY(MERCEDES): ON SOME VEHICLES, CAN NOT ENGAGE OR CLOSE FRONT DOOR PROPERLY. MODELS 197.377. NO MODEL YEARS LISTED. *PE Read More »
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TSB #2012010006
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #SB-2012010006
MERCEDES: TIRE PRESSURE MONITORING CODING NEEDS TO BE CHECKED AND UPDATED IF NECESSARY. *KB Read More »
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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 »
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TSB #LI91.10-P-059389
Noises from lock of valuables/stowage compartment or from gap cover between seat and center tunnel. Read More »
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TSB #LI91.25-P-059392
No inflation of one or more air cushions on the massage/multicontour/dynamic seat modules (driver, front passenger and rear) Bubble formation in one or more seats with massage/multicontour/dynamic seat modules (driver, front passenger ... Read More »
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TSB #LI91.30-P-048290
Grinding noises can occur in the backrest on active multicontour seats with the backrest under load and the seat ventilation switched on Read More »
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TSB #LI91.25-P-059382
Dynamic seat (DS) pneumatic pump / multicontour seat pneumatic pump makes noises. Read More »
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TSB #LI91.10-P-047382
Creaking noises can occur when the side bolster bladders are inflated and deflated Read More »
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TSB #LI91.10-P-048504
Squeaking/creaking noises from area of seat adjuster Read More »
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TSB #LI91.25-P-059380
Pneumatic comfort systems with insufficient performance, entirely inoperative or leaky. Read More »
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TSB #LI54.71-P-056477
Blind Spot Assist inoperative. Read More »
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TSB #LI8220P073063
Touch pad: Search lighting does not dim or does not turn on. Read More »
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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 »
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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 »
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TSB #2012010006
SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »
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TSB #GI88.40-P-057430
Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual" Read More »
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TSB #LI80.61-P-061174
Vehicle cannot be opened via Keyless-Go and radio remote control Read More »
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TSB #LI82.70-P-060004
iPhone mobile phone: Various complaints after software update to iOS8 Read More »
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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 »
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TSB #LI68.05-P-059193
SENTEX gate operator with Clik Card Remote not compatible with Homelink Read More »