2009 Mercedes-Benz R350 Technical Service Bulletins

79 technical service bulletins (TSBs) are on record for the 2009 Mercedes-Benz R350. 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.

• 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.
• 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.
• 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
• 10039256May 31, 2011Engine cooling. Mercedes-benz: the malfunction light is on with multiple possible trouble codes stored. There could be a problem with the camshaft and/or scoring of a piston.
• 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.
• 10041024Mar 9, 2011Fuel system, Electrical system. Mercedes-benz: the fuel level indicator is wrong.
• 10041066Mar 6, 2011Exterior lighting. Mercedes benz: the turn signal light on the mirror fogs up due to temperature differences.
• 10038024Feb 2, 2011Suspension. Mercedes-benz: there are defective connecting cables that are draining the airmatic compressor causing the airmatic light to come on.
• 10038227Dec 8, 2010Engine cooling, Electrical system. Mercedes-benz: the starter clicks but does not crank when trying to start. A voltage dip is causing the ignition procedure to fail.
• 10038225Dec 8, 2010Steering, Electrical system. Mercedes-benz: diagnostic procedures for the driver authorization system.
• 10038218Dec 1, 2010Electrical system. Mercedes-benz: software update for heater lines.
• 10037408Nov 19, 2010Suspension. Mercedes-benz: shock absorber procedure.
• 10034306Jun 11, 2010Air bags. Mercedes: airbag durability and reliability. Air bag srs control module (n2/2) does not have a set shelf life and will normally be reliable for the life of a vehicle. With 164, 216 221, 251 and newer, the airbag control unit can be reset five times. With modes 202, 210 and newer, the airbag control unit can be reset three times. Earlier models would have to have their airbag control unit and triggered restrain…
• 10034625Feb 22, 2010Engine cooling. Mercedes (xentry): engine makes noise, ticking/crackling at idle speeds up to approx. 1500 rpm. Run in effect of 1st crankshaft main bearing. Models 211, 219, 164, 251, 203, 204, 209, 221, 461 and 463. No model years listed.
• 10034626Feb 5, 2010Visibility (wipers, defrost, mirrors). Mercedes (xentry): rear window wiper fails to function or stops intermittently. Low voltage cutoff relay in the rear fuse and relay block (rear (srb). Only part number a164 540 02 72 causes this condition. Check part number of rear srb, if the part number is a164 540 02 72, follow procedure to resolve. Models 164.175/186 and 251.165/175. No model years listed.
• 10033070Dec 16, 2009Engine cooling, Electrical system. Xentry (mercedes): engine warning lamp is currently on or was on and a delay fault of the camshaft adjust to current or stored in the engine control unit. Models 171, 203, 209, 211, 219, 221, 216, 230, 164, 251, and 403. No model years listed.
• 10036933Oct 1, 2009Exterior lighting. Xentry (mercedes benz): replacing exterior light bulbs. Exterior lights. Li did not match dtb from which it was created. (main remedy for repair was missing.)
• 10032727Sep 17, 2009Suspension. Mercedes: following fault codes are entered in the control unit and displayed-fc5320 drain valve:open circuit or insufficient valve current in models series 211, 219; fc5260 drain valve open circuit or insufficient valve current in model 221; fc5250 drain open circuit or insufficient valve current in model series 251, 164. Defective connecting cables to drain valve at airmatic compressor. This results in the…
• 10032707Sep 10, 2009Fuel system. Mercedes: ensuring unobstructed movement for the fuel level sensor. When installing the left or right fuel level sensor, it is essential for it to have unrestricted, unobstructed movement.
• 10030929Jun 15, 2009Brakes. Mercedes: corrosion protection coatings for brake components and hardware may be damaged and or stripped away if highly concentrated acid based cleaners are used. Once the corrosion protection is damaged or removed the brake components and or hardware can begin to corrode. Include all models and model years.
• 10033071Jun 4, 2009Visibility (wipers, defrost, mirrors). Mercedes benz: adjusting wiper arms. If you receive reports on certain vehicles of wipers chattering/noisy, proceed as follows: inspect wiper blades/inserts for wear and replace; thoroughly clean windshield; verify use of correct washer fluid; check washer nozzle adjustment; check wiper arm angle adjustment; and record values per applicable model; if required, adjust wiper arm angle. Models 164/251. No model years…
• 10028668May 11, 2009Seats. Mercedes: active head restraints activate for no reason. This may be caused by damage to the seat wiring harness causing a short circuit. Models 164 and 251. Model years unknown. *pe updated 9/18/09.
• 10030665Mar 1, 2009Equipment, Other or unknown. Mercedes: it has been determined that the tele aid may not function properly as a result of a hardware fault in the tele aid control module. If this condition exists an instrument cluster message of no service and tele aid inoperable will be seen.
• 10020460Dec 4, 2008Steering. Play in the rack and pinion steering system. Models 203, 209, 210, 211, 215, 220, 230. Mercedes benz. *kb updated 5/13/09.
• 10028646Dec 2, 2008Steering. Mercedes: groaning or dull, heavy cracking noises from steering shaft area. When turning steering wheel or moving off or braking. This may be emanating from the bearing and housing of upper steering shaft (firewall pivot point) or steering coupling (lower steering shaft). Models 164 and 251. Model years unknown.
• 10028645Dec 2, 2008Steering. Mercedes: chrome plating peeling on decorative caps on the steering wheel spokes, this is due to less than optimal adhesion between chrome plating and base material. Models 164 and 251. Model years unknown.
• 10028027Aug 1, 2008Engine cooling. Mercedes: check coolant line on diesel engine, replace, if necessary. The coolant hose in the area of the fan shroud may work loose when driving on rough roads due to insufficient retention of the bracket.

← All problems reported for the 2009 Mercedes-Benz R350