2014 Mercedes-Benz S550 technical service bulletins
139 technical service bulletins and manufacturer communications cover the 2014 Mercedes-Benz S550, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Engine
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Clanking noise from the area of the speakers in the doors
- During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time
- Tailgate opens unintentionally
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements...
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the...
- After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the...
- There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper...
- Headlamp, front fog lamp leaky or fogged
- Headlamp, front fog lamp leaky or fogged
- Headlamps leaking or fogged
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- The flap of the reversing camera opens and closes by itself during forward travel several times during the...
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- The result from the XENTRY battery test does not match the current state of the battery
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- Commissioning not possible after replacement of TRANSMISSION 722.9 or of electrohydraulic controller unit...
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle,...
- Headlamp, front fog lamp leaky or fogged
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the...
- During a phone call, the called party has difficulty understanding/cannot understand the driver, or...
- The flap of the reversing camera opens and closes by itself during forward travel several times during the...
- Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements
- Fuel door may require several attempts to open
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- The flap of the reversing camera opens and closes by itself during forward travel
- Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements
- After a control unit replacement of "N112/9
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- Rear lamps fogged up/not leaktight
- Washer fluid system leaks
- Tension-releasing impact of the propeller shaft with the force-free in D "KID" function, after vehicle has...
- Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements
- Headlamp or front fog lamp leaky or fogged
- Headlamps fogged or droplets forming
- Electrical system
- In our continuing efforts to ensure the proper performance and quality of your vehicle, we are writing to...
- Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- The Mercedes me connect services cannot be activated
- Engine and engine cooling: exhaust system
- Suspension
- This extended warranty applies to the following condition that may necessitate the repair or replacement...
- Why the warranty extension? On certain Model Year 2011-2016 CL/CLS/S/E/ML/SL/G/GL/GLE-Class vehicles with...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- The garage door hand transmitter cannot be initialized with the integrated garage door opener in the...
- The range of the integrated garage door opener (GTO) is too short
- The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20,...
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
- Touch pad: Search lighting does not dim or does not turn on.
- Electrical system: software
- NTG5.5
- Xentry Battery Tester results disagree with workshop assessment
- Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect...
- Lamp unit fogged or droplets forming
- To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its...
- 5 to 4 coasting downshift
- Throttle lift-off clunking noises at drive shafts of front axle
- Throttle lift-off clunking noises at drive shafts of rear axle
- High-voltage battery warning message" in instrument cluster
- Electric range is reduced after brief period
- Update engine electronics (ME-SFI) control unit software
- MB App iHeart Radio is no longer available after a head unit update
- Update fuel system control unit (FSCU) software
- Navigation system permanently displays "Activating".
- Map pocket on front seat backrest trim does not close.
- High voltage battery warning message in instrument cluster.
- Gasket may settle causing a slight oil leak.
- Xentry (mercedes): stored in engine control unit (ECU) is fault to exhaust back pressure sensor causing...
- Mercedes: radiator fan control unit has a failure of electrolyte capacitor causing air condition to...
- Vehicle cannot be opened via Keyless-Go and radio remote control
- Update Transmission and Engine Control Module Software
- IPhone mobile phone: Various complaints after software update to iOS8
- Mercedes: s class and s coupe: the manufacturer of mercedes that front and rear brake pads may cause...
- Mercedes: information regarding close service campaign
- Summary to be provided on a future date.
- Mercedes: model years 2014-2015 may experience issues with the 360 camera control software which may cause...
- Xentry (mercedes): following message displayed in instrument cluster pre-safe functions restricted when...
- The trunk lid sometimes does not open completely and does not close (completely)
- The animation in individual vehicle settings such as, e.g. mirror folding function or seat belt adjustment...
- When on rough roads and with side loads applied to the center console (leg support) cracking noise may...
- Xentry (mercedes): after engine has started, several issues occurs, an acoustic warning sounds is heard,...
- Xentry (mercedes): due to an error in software door control unit, the active blind sport assist...
- Mercedes: the current production configuration and comand control module system fails to correspond and...
- Mercedes: information regarding update to engine and transmission control module software for shift...
- Media Interface: Apple iPod6, Generation classic 160GB issue
- Comand
- Engine diagnosis warning lamp (check engine light
- Minor leaks at the oil duct of the left or right cylinder head of engines 157, 276 and 278
- Engine rattling noise after engine start for several seconds
- Squeaking noises from the service brake when braking
- Thumping/rattling/clattering noises from area of rear axle
- The vehicle drops at the front axle on one or both sides by more than 2 cm overnight.
- Wind noises at the front door above 70 MPH.
- Gap between cap and outside door handle is wedge shaped on driver door
- Rear door quarter window roller blind fails to extend.
- The outside mirror jolts when retracting/extending and makes a grinding noise.
- Sound system: Intermittent loss of sound after engine start
- Squeaking noises from the front axle when braking
- Surface damage on steering wheel trim
- The side markers light up continuously.
- When selecting the "System Menu" in COMAND control unit (A40/3), there is no selection to turn on the...
- This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by...
- Display message in instrument cluster "Additional Battery
- Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable
- Creaking noises from the area of the air suspension strut on the front axle when driving over bumps with...
- Xentry (mercedes): control units installed, under driver/front passenger seat, has water entering tray,...
- Trunk lid closes too quickly.
- Mobile phone cotacts are not transferred completely.
- FC 2783 (Friction power of torque converter lockup clutch is too high) or FC 0741 (Actuation of torque...
- Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery...
- Single, throttle lift-off, clunking noise from the side shaft when starting off (audible at the wheel)
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