2010 Mercedes-Benz S550 Technical Service Bulletins

107 technical service bulletins (TSBs) are on record for the 2010 Mercedes-Benz S550. 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.

• 10166086Jul 10, 2014Seats. Squeaking/creaking noises from area of seat adjuster
• 10166079Jul 10, 2014Seats. Creaking noises can occur when the side bolster bladders are inflated and deflated
• 10166107Jul 9, 2014Seat belts. Seat belt height adjustment nonfunctional
• 10165853Jul 3, 2014Electrical system. 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.
• 10055547Jun 10, 2014Electrical system. Random warnings for no obvious reason, mainly blind spot. 06/10/14
• 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…
• 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"
• 10166991Jan 31, 2014Suspension. 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.
• 10045029Sep 13, 2013Exterior lighting. Xentry (mercedes): message will appear indicating high beam assist is activated and is inoperative. Models 204, 212, 207, 221, 216, 218, and 166. No model years listed. *pe updated 11/26/13.
• 10205233Aug 5, 2013Electrical system. Mobile phone cotacts are not transferred completely.
• 10167554Jul 10, 2013Engine cooling. Engine diagnosis warning lamp activated. Fault code P045600 "Very fine leak" or P044200 "Fine leak" stored in engine control unit.
• 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.
• 10050865Nov 1, 2012Electrical system. Mercedes: the power electronics module capacitance loss is due to the variability of capacitor quality combined with thermally variable continuous loading and need power electronics module software updated and replace power electronics module, if necessary. Model 2010-2012 221.
• 10037918Oct 2, 2012Brakes. Mercedes-benz: esp malfunction or bas malfunction light shows up in the instrument panel because of a wheel speed sensor problem. *rm updated 2/15/13.
• 10038224May 9, 2012Seat belts. Mercedes-benz: the driver or passenger front seat belts can only be pulled out with great effort. A tensioner stays engaged creating the difficulty. *rm updated 9/19/11. *pe updated 7/17/12.
• 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.
• 10034605Apr 5, 2012Seat belts. Mercedes: seat belts, emergency tensioning retractors. Model series 204 (with codes 299 and 800), 207, 212. Seat belt can only be pulled out with great effort. At the same time a noise can be heard from the reversible reel tensioner gearing. Customer continuously pulled on seat belt strap while adjusting the fit of the belt after buckling up (to reduce the slack). This caused the drive of the reversible reel…
• 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.
• 10043733Jan 1, 2012Electrical system. Mercedes: update instrument cluster software. Models 216 and 221 years 2010.
• 10039114Oct 3, 2011Transmission and drivetrain, Engine cooling. Mercedes-benz: the vehicle jolts during start-offs, steady driving, or acceleration. The control valve temporary jams. *rm updated 12/28/11.
• 10041645Aug 1, 2011Electrical system, Transmission and drivetrain. Mercedes: transmission control module software update.
• 10040984Jun 29, 2011Transmission and drivetrain. Mercedes-benz: the vehicle jerks during light braking. The alternator engages too early during braking.
• 10041065Jun 6, 2011Equipment. Mercedes-benz: when the reverse gear is engaged the central display shows a blue or black screen. The tv picture appears instead of reverse camera.
• 10041270Jun 1, 2011Engine cooling. Mercedes-benz: the coolant hose shape does not meet specifications. There may not be clearance between the coolant hose and a screw in the paneling.
• 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.
• 10039257May 26, 2011Electrical system, Engine cooling. Mercedes-benz: the engine warning light is on with stored trouble codes. Idle speed limits were set too narrow.
• 10039253May 12, 2011Seats. Mercedes-benz: there is cracking noise at the front seats when operating the height adjustment.
• 10039254May 2, 2011Transmission and drivetrain. Mercedes-benz: there is a transmission trouble code stored. It is a diagnostic problem with the wet start-up clutch.
• 10038975Apr 27, 2011Electrical system. Mercedes-benz: blind spot assist and distronic inoperative messages. Four possible fault codes stored. There is a safety shutoff of systems due to a disruption with the sensor.
• 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.
• 10038064Feb 23, 2011Steering. Mercedes-benz: there is a whining noise from the steering pump when turning.
• 10038024Feb 2, 2011Suspension. Mercedes-benz: there are defective connecting cables that are draining the airmatic compressor causing the airmatic light to come on.
• 10037916Jan 5, 2011Engine cooling. Mercedes-benz: warning light is on with a stored engine code, because of a software problem.
• 10037986Dec 8, 2010Electrical system, Equipment. Mercedes benz- when doing a software update the update fails and the tuner goes to boot mode.
• 10037408Nov 19, 2010Suspension. Mercedes-benz: shock absorber procedure.
• 10036766Oct 1, 2010Electrical system. Mercedes benz: update software for the battery management system. It has been determined that the software for the battery management system may not meet current specifications. Model years 2010 and 2011.
• 10037112Sep 20, 2010Electrical system. Mercedes-benz: as of the model year 2010 there are some vehicles that have all the indicator lights on after the engine starts and various fault messages.
• 10036768Sep 1, 2010Electrical system. Mercedes: re-route wiring harness for the electric air conditioner compressor. It has been determined that the wiring harness for the electric air conditioner compressor may be routed incorrectly.
• 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…
• 10034151Jun 7, 2010Engine cooling, Electrical system. Mercedes: engine start/stop, engine starts up at random or 12 v on board electrical system voltage too low. The resistance of the electrical line from dc/dc converter control unit n83/1 to ground point w3/9 is too high in the dc/dc converter control unit.
• 10036741May 17, 2010Electrical system. Mercedes: mounting bolt of hv connection to hv battery broken during installation. The mounting bolt shears off when retightened at the hv connection to the hv battery. Excessive stress on mounting bolt due to failure to comply with tightening torque of 5nm. Models 221.095/221.195(hybrid). No model years listed.
• 10034104Mar 16, 2010Equipment. Mercedes: replacing the emergency tensioning retractor. When replacing the left front reversible emergency tensioning retractor (a76) or the right front reversible emergency tensioning retractor (a76/1), return the damaged part to the qec with the warranty parts return slip and with the quick test report.
• 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.
• 10034609Feb 18, 2010Steering. Mercedes: rattling or dull knocking noise coming from the area of the steering system when driving over rough road.
• 10034568Feb 18, 2010Suspension. Mercedes benz (xentry): grunting/creaking noise from rear compartment when driving over road undulations. Corrosion in the foot joint of one of the rear air suspension struts.

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