2011 Mercedes-Benz ML350 Technical Service Bulletins

108 technical service bulletins (TSBs) are on record for the 2011 Mercedes-Benz ML350. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10135598Mar 25, 2015Engine. Engine diagnosis warning lamp lights up in instrument cluster, fault code U145400: "Implausible data were received from the ethanol sensor"
• 10166088Jul 12, 2014Electrical system. Noises from the mounting of the rear weight sensing system (WSS) sensors
• 10166099Jul 10, 2014Seats. Pneumatic comfort systems with insufficient performance, entirely inoperative or leaky.
• 10165842Jul 10, 2014Electrical system, Transmission and drivetrain. With an unfavorable sensor position and high rpms, the sensor may deliver incorrect rpm values and the transmission control unit may detect overspeeding. Owing to the software application, the control unit is not reset in the case of implausible messages.
• 10165852Jul 9, 2014Equipment, Electrical system. Noise in center console area of W166.
• 10165851Jul 8, 2014Electrical system, Visibility (wipers, defrost, mirrors). Side windows may make noises when closing and opening, or reverse direction when closing.
• 10165850Jul 8, 2014Electrical system, Visibility (wipers, defrost, mirrors). Side windows may make noises when closing and opening, or reverse direction when closing.
• 10056472Jun 20, 2014Electrical system, Steering. 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. Model 117, 156, 176, 242, 246.
• 10167487Mar 21, 2014Fuel system, Electrical system. 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. Right cylinder head: Oil passage plug hole below high-pressure pump housing.
• 10167513Mar 4, 2014Engine cooling. 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).
• 10167007Feb 25, 2014Electrical system. 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.
• 10167002Feb 25, 2014Steering. Creaking noise when making vertical or longitudinal adjustment to electrical steering column
• 10167006Feb 12, 2014Electrical system. 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.
• 10166975Feb 11, 2014Equipment. 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 Verizon Telematics systems. If the i-button call failed or if the customer was unable to perform the i-button call, the mbrace agent instructed the customer to make an appointment with…
• 10166980Feb 10, 2014Engine cooling. Traces of oil in area of oil cooler (inner V) on engine 642
• 10166978Feb 6, 2014Engine cooling. Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700
• 10166976Feb 3, 2014Equipment. Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"
• 10167040Feb 1, 2014Electrical system. 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. An authorized Mercedes-Benz dealer will update the mbrace control module software at the next workshop visit.
• 10166990Dec 4, 2013Suspension. Thumping noises from front axle when driving over bumps on road.
• 10056064Dec 4, 2013Electrical system. Xentry (mercedes): between the front bumper to interior wiring harness, there may be corrosion at electrical connecting point.
• 10052168Aug 21, 2013Vehicle speed control. Xentry (mercedes): some vehicles receive, optical and acoustic, warning message regarding collision prevention assist, without obvious reason, due to offset of short range sensor. Models 166. *pe update 8/25/15.
• 10044601Aug 13, 2013Engine. 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. Models 204, 212, 218, 221, 216,and 166 with no model years listed. *pe update 11/22/13.
• 10205233Aug 5, 2013Electrical system. Mobile phone cotacts are not transferred completely.
• 10167577Jul 23, 2013Visibility (wipers, defrost, mirrors). 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.
• 10167539Jul 16, 2013Engine cooling. Engine rattling noise after engine start for several seconds
• 10167564Jul 12, 2013Electrical system. Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
• 10167563Jul 8, 2013Electrical system. 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).
• 10167572Jul 3, 2013Electrical system. 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 control unit log printout, the repair documentation and with all required documentation listed in Section E of the Form.
• 10167553Jul 1, 2013Fuel system. Combination message: "Clean fuel filter" is displayed. The fault code 162500 (water level message - Bosch) or P226997 (water level message - Delphi) or 171600 (filter load - Bosch) is stored in the engine control unit.
• 10167561Jun 27, 2013Exterior lighting. Xenon burner inoperative or flickers
• 10052151Apr 24, 2013Steering. 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.
• 10038955Apr 9, 2013Suspension. 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.
• 10050861Oct 14, 2012Steering. 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.
• 10046319Aug 9, 2012Electrical system, Steering. Xentry (mercedes); electric steering control unit, in some vehicles, has implausible fault entry due to software needing updating. Models ml 350. No model years listed.
• 10044599May 9, 2012Equipment. Xentry (mercedes): on some vehicles, whenever the reverse gear is engaged, the reverse camera fails to show in display central.
• 10044222Apr 20, 2012Seat belts. Mercedes benz: front or rear seat belt does not roll up correctly. Dirt deposits on the seat belt guide due to soiled seat belt. Also included models 169, f cell, 246, and 231. No model years given.
• 10042607Apr 5, 2012Seat belts. 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.
• 10044200Apr 2, 2012Transmission and drivetrain. Xentry: mercedes benz: grunting/creaking sound from the area of the front axle when braking, driving over surface undulations, negotiating tight corners, or while maneuvering. Model years unknown.
• 10044199Mar 28, 2012Engine cooling. Xentry: mercedes benz: vehicle stumbles and bucks for a few minutes after a cold start when outside temperature is low (no dtcs). Engine runs rough in a warm up phase. No model years given.
• 10044165Mar 26, 2012Exterior lighting. Xentry: mercedes benz: high beam assist temporarily nonfunctional. Replace mfk and calibrate with the aid of the 'calibration target for night view assist' special tool. Also included glk350 and s550 model year 2011. Model cls year 2010-2011.
• 10044181Mar 12, 2012Steering. Xentry: rattling/thumping noises from the area of the steering on rough roads or when driving over road undulations. No model years given. Also included models 168 and 172.
• 10039258Nov 29, 2011Steering. 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.
• 10039113Nov 29, 2011Steering. Mercedes-benz: the steering is leaking in the input shaft, below the protective cap. There is wear on a seal ring located in the control head. *rm updated 5/17/2012
• 10041272Jun 1, 2011Body and structure. Mercedes benz: 2011 164. The underfloor seam seal may not meet specifications.
• 10039259May 19, 2011Wheels. Mercedes-benz: installation information of bolted wheel connections. All models.
• 10038045May 5, 2011Brakes. 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.
• 10041269May 1, 2011Electrical system. Mercedes benz: there is a software problem relating to the tank heater lines.
• 10038977Apr 4, 2011Transmission and drivetrain. 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.
• 10041208Mar 30, 2011Engine cooling. Mercedes benz: engine light is on with stored trouble codes.
• 10041066Mar 6, 2011Exterior lighting. Mercedes benz: the turn signal light on the mirror fogs up due to temperature differences.

← All problems reported for the 2011 Mercedes-Benz ML350