2016 Mercedes-Benz S550Service bulletins
2016 Mercedes-Benz S550 Technical Service Bulletins
146 technical service bulletins (TSBs) are on record for the 2016 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.
- 10178714Jun 30, 2020Exterior lighting. Headlamps fogged
- 10177571Jun 30, 2020Exterior lighting, Equipment. 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. Check housing cover of lamp unit for natural fogging or dew as per GI82.10-P-009047. . 1. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the…
- 10176670May 21, 2020Equipment. 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 type odors originating from the HVAC system in certain Mercedes-Benz vehicles.
- 10176661May 1, 2020Transmission and drivetrain. 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
- 11031734Feb 21, 2020Engine. The purpose of this letter is to advise you of additional benefits that Mercedes-Benz USA, LLC ("MBUSA") is providing to you regarding your vehicle ownership.
- 10172681Feb 19, 2020Electrical system. Event memory in the instrument cluster mileage readings intermittently inaccurate
- 10172683Feb 7, 2020Tires, Equipment. Information Label on Tire Sealant
- 10164811Aug 5, 2019Transmission and drivetrain. Throttle lift-off clunking noises at drive shafts of rear axle
- 10164810Aug 5, 2019Suspension, Equipment. Throttle lift-off clunking noises at drive shafts of front axle
- 10162197May 22, 2019Electrical system. "High-voltage battery warning message" in instrument cluster
- 10162198May 21, 2019Hybrid propulsion system. Electric range is reduced after brief period
- 10162185May 20, 2019Electrical system. NTG 5.5 head unit - Browser shows "Fault during authentication" message
- 10144074Mar 2, 2018Fuel system. Update fuel system control unit (FSCU) software
- 10205242Nov 29, 2016Equipment. Navigation system permanently displays "Activating".
- 10205266Nov 21, 2016Equipment. Map pocket on front seat backrest trim does not close.
- 10205241Aug 25, 2016Equipment. Navigation system permanently displays "Activating".
- 10205252Aug 11, 2016Electrical system. High voltage battery warning message in instrument cluster.
- 10205154Aug 5, 2016Engine cooling, Other or unknown. Gasket may settle causing a slight oil leak.
- 10135604Mar 31, 2015Electrical system, Equipment. Vehicle cannot be opened via Keyless-Go and radio remote control
- 10135628Oct 14, 2014Equipment. iPhone mobile phone: Various complaints after software update to iOS8
- 10165854Jul 12, 2014Electrical system, Latches, locks and linkages. 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. - The ACTUAL value* of the trunk lid lock main catch switch (A85/5s1) indicates "closed" although the trunk lid is open.
- 10166075Jul 8, 2014Electrical system. 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.
- 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.
- 10167490Mar 24, 2014Electrical system. 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. In rare cases the engine may be in a limp-home mode. Otherwise there are no other engine performance issues.
- 10167503Mar 21, 2014Brakes. Squeaking noises from the service brake when braking. The complaint occurs primarily at low speeds when the operating temperature of the brakes is low.
- 10167488Mar 21, 2014Engine cooling. Engine rattling noise after engine start for several seconds
- 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.
- 10167500Mar 20, 2014Suspension. Thumping/rattling/clattering noises from area of rear axle. Primarily, and sometimes only, heard by rear-seat passengers.
- 10167499Mar 17, 2014Suspension. The vehicle drops at the front axle on one or both sides by more than 2 cm overnight.
- 10167528Mar 4, 2014Visibility (wipers, defrost, mirrors). The outside mirror jolts when retracting/extending and makes a grinding noise.
- 10167523Mar 4, 2014Visibility (wipers, defrost, mirrors). Rear door quarter window roller blind fails to extend.
- 10167522Mar 4, 2014Body and structure. Gap between cap and outside door handle is wedge shaped on driver door
- 10167520Mar 4, 2014Body and structure. Wind noises at the front door above 70 MPH.
- 10167524Feb 27, 2014Equipment. Sound system: Intermittent loss of sound after engine start
- 10166996Feb 25, 2014Suspension. Squeaking noises from the front axle when braking
- 10167000Feb 18, 2014Steering. Surface damage on steering wheel trim
- 10167011Feb 14, 2014Electrical system. The side markers light up continuously.
- 10167010Feb 10, 2014Electrical system. Display message in instrument cluster "Additional Battery - Service Required"
- 10166976Feb 3, 2014Equipment. Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"
- 10166992Jan 31, 2014Suspension. The vehicle drops at the front axle on one or both sides by more than 2 cm overnight.
- 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.
- 10205263Aug 13, 2013Electrical system. Trunk lid closes too quickly.
- 10205233Aug 5, 2013Electrical system. Mobile phone cotacts are not transferred completely.
- 10167546Jul 30, 2013Transmission and drivetrain. 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. One possible additional customer complaint could be "poor acceleration" e.g. due to engine intervention. This can affect all NAT2FE+ (7G-TRONIC PLUS) vehicles with engines OM651, OM642LS and M278 in the production period from 04/2011 to…
- 10167558Jul 23, 2013Electrical system. Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
- 10167550Jul 18, 2013Steering. 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).
← All problems reported for the 2016 Mercedes-Benz S550
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.