2021 Mercedes-Benz AMG S63 technical service bulletins
165 technical service bulletins and manufacturer communications cover the 2021 Mercedes-Benz AMG S63, including 4 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz...
- Fuel/propulsion system
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- Engine
- Diverse functional limitations in the vehicle in combination with various warning and fault messages in...
- Customer states check engine light ON and potentially reduced power output
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic...
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Only vehicles with a variable transfer case are affected
- Clanking noise from the area of the speakers in the doors
- Issue On certain subject vehicles, software for the communication module does not meet the current series...
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic...
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Tailgate opens unintentionally
- Oil leaks found on M176 or M177 engines diagnosed to be from the cylinder head cover area
- This document is intended as a pre-case diagnostic reference for transmission related concerns
- Mercedes-Benz USA is currently experiencing limited availability of transmission fluid specification ATF...
- Check Engine Light ON with DTC P012800 "The Coolant Temperature is Below the Specified Temperature" active...
- Engine
- 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...
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper...
- Customer reports Check Engine Light with possible loss of power concern
- The part numbers listed in the chart below should no longer be installed, and any existing stock must be...
- CEL ON with DTC P012800 "The Coolant Temperature is Below the Specified Temperature" active and stored in...
- Headlamp, front fog lamp leaky or fogged
- When closing the door, the side window may remain slightly open (short stroke position)
- Headlamp, front fog lamp leaky or fogged
- Engine
- Headlamps leaking or fogged
- Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure...
- CEL on with Code P012800 "The Coolant Temperature is Below the Specified Temperature"
- Customer states check engine light on in the dash
- (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS)...
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Possible complaints about shift quality, issues with learning the park lock, and slipping/rinse entries in...
- Crackling and cracking noise from the outer wheel on the front axle when cornering
- The result from the XENTRY battery test does not match the current state of the battery
- Power train
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- After a software update of component LIB48_222
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Customer complains of oil use, oil leaking or oil smell
- Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system SCN...
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- The following most common complaints may be observed: • Brief connectivity interruptions when using Apple...
- 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
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Electrical system
- A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after...
- The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the...
- Electrical system
- 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...
- On certain Model Year 2019
- Electrical system
- Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements
- Fuel door may require several attempts to open
- The
- 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)
- Electrical system
- Electrical system
- The flap of the reversing camera opens and closes by itself during forward travel
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- Only vehicles with a variable transfer case are affected
- Washer fluid system leaks
- Fuel/propulsion system
- "Active Emergency Stop Assist Currently Unavailable" and "Active Steering Assist Inoperative" instrument...
- 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
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Headlamp or front fog lamp leaky or fogged
- To insure vehicle down time is kept at a minimum and all required information is available when case is...
- Electrical system
- Rear lamps fogged up/not leaktight
- The customer complains of a check engine light (CEL) on. May also complain of the engine running roughly...
- Electrical system
- Electrical system
- This is to notify you of the Service Campaign OTA update for the MBUX control unit software in 14,559...
- Tailgate opens unintentionally
- Electrical system
- Electrical system: software
- Electrical system: software
- Updating the RAMSES 1.1 module to the latest SW-version E139.4 will lead to an error in the modules vtime...
- The steering wheel generates grinding noises between the steering wheel and steering column switch module...
- Noises in the steering column area when steering
- Front armrest cap (butterfly compartment) only opens when pressed strongly
- Electrical system
- Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has released a software update for...
- Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has released a software update for...
- Electrical system
- Electrical system
- No audio is output either in radio mode, or with media playback via app, Bluetooth or USB. In such cases,...
- Electrical system
- Control unit N68
- Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats...
- Electrical system
- Electrical system
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Mercedes me connect services inoperative (me-Call, Remote Status, etc.). Mercedes me services
- Electrical system
- Following a software update of the head unit to FUP3 variant 316.5 or higher, the "Residual heat" button...
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle
- Electrical system
- Electrical system: software
- 12V message in IC when starting the vehicle
- On vehicles with a low mileage, it may be the case that the displays in the rear passenger compartment do...
- Electrical system
- With the adaptations from modification year 802 to modification year 803, the illumination of the...
- Phone call log is not shown in the MBUX display
- The Mercedes me connect services cannot be activated
- Flush door handle needs to be pulled on with increased force in order to open the door manually
- Electrical system
- 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B...
- Electrical system
- Electrical fault on rear airbag/window airbag
- The surface-flush door handle sometimes does not retract when the vehicle is locked
- Tailgate opens unintentionally
- Message in IC: "Active Brake Assist function restricted". "Active Emergency Stop Assist inoperative"...
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Steering
- Creaking noise from side bolster when load applied to seat cushion of front seats
- Supply printed operator's manual and replace if necessary
- MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
- Update signal acquisition and actuation module front control unit software
- Retrofit rubber mounting for mobile phone cradle in front center console
- The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20,...
- Clattering noise when raising lowering window using the front door window
- Flushmounted door handle may be sluggish when retracting.
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
- The flushmounted door handles are retracted and do not extend electrically in response to a command from...
- M17x.xxx Check Engine Light on with Misfire DTC's
- Air Conditioning Intermittently Does Not Cool
- Perform Android software update in COMAND center rear tablet
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