2020 Mercedes-Benz AMG Gt63s technical service bulletins
198 technical service bulletins and manufacturer communications cover the 2020 Mercedes-Benz AMG Gt63s, 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
- Customers may notice a check engine light in the instrument cluster and may also complain of rough running
- Slight creaking noises when steering
- Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...
- Red coolant warning in instrument cluster
- Only vehicles with a variable transfer case are affected
- Clanking noise from the area of the speakers in the doors
- CEL light on with no drivability concerns
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Oil leaks found on M176 or M177 engines diagnosed to be from the cylinder head cover area
- Customer reports Check Engine Light with possible loss of power concern
- 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...
- CEL light on with no drivability concerns
- Check Engine Light ON with DTC P012800 "The Coolant Temperature is Below the Specified Temperature" active...
- Crackling and cracking noise from the outer wheel on the front axle when cornering
- Hand detection system – malfunction / vehicles with code 266 Fault message in instrument cluster: "Active...
- 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...
- CEL light on with no drivability concerns
- 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B...
- CEL light on with no drivability concerns
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop...
- 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...
- The part numbers listed in the chart below should no longer be installed, and any existing stock must be...
- Noises at the front axle when cornering or maneuvering (video files attached) Note: Save video files...
- The intent of
- CEL ON with DTC P012800 "The Coolant Temperature is Below the Specified Temperature" active and stored in...
- Headlamp, front fog lamp leaky or fogged
- Harsh upshifts, downshifts, or jolting in lower gears when accelerating
- The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is...
- Headlamp, front fog lamp leaky or fogged
- Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery"
- CEL light on with no drivability concerns
- This LI does Not apply to 223 or 206 which use a different generation of 48V systems
- Engine
- 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"
- Red ring displayed around vehicle when front or rear camera door actuates
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- Customer states check engine light on in the dash
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS)...
- The Head-up display (HUD) may be perceived as too bright and without adjustment
- Possible complaints about shift quality, issues with learning the park lock, and slipping/rinse entries in...
- Electrical system
- At low speeds and light brake pressure, brakes will make a groaning or honking noise
- Complaints of oil leaking from rear differential oil pan area
- See Attachment
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- After a software update from campaign 2025050001 of component LIB48_222
- Electrical system
- After a software update of component LIB48_222
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument...
- No cooling output, compressor inoperative
- Electrical system
- Customer complains of oil use, oil leaking or oil smell
- The
- MBUX head unit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or...
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Electrical system
- Individual functions such as sliding sunroof or roller sunblind can no longer be operated using the...
- Headlamp, front fog lamp leaky or fogged
- Headlamps leaking or fogged
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after...
- Electrical system
- During a phone call, the called party has difficulty understanding/cannot understand the driver, or...
- On certain Model Year 2019
- Electrical system
- Electrical system
- MBUX headunit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or...
- Noise from windshield (WSS) or A-pillar at left area at speeds between 110
- Fuel door may require several attempts to open
- After CAN bus idle, the tailgate may not fully open (opens to approx
- The
- Message in the instrument cluster regarding rear axle steering • In the short test, the fault > Actuator...
- Electrical system
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- Only vehicles with a variable transfer case are affected
- Rear spoiler sporadically remains in opened position or does not extend and a fault message appears in the...
- Washer fluid system leaks
- DSI selection lever module cannot be switched to park position "P"
- Fuel/propulsion system
- Combustion engine could no longer be started, only electric driving possible
- Individual functions such as sliding sunroof or roller sunblind can no longer be operated using the...
- Damage or discoloration to paint protection films on vehicle
- 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...
- Vehicle not AC charging
- Customer states that either the yellow battery indicator lamp is illuminated in the instrument cluster OR...
- Message in the instrument cluster regarding rear axle steering • In the short test, the fault > Actuator...
- Rear lamps fogged up/not leaktight
- DSI selection lever module cannot be switched to park position "P"
- The customer complains of a check engine light (CEL) on. May also complain of the engine running roughly...
- DSI selection lever module cannot be switched to park position "P"
- This is to notify you of the Service Campaign OTA update for the MBUX system software in 750,313 Model...
- The following symptoms may be present in the instrument cluster: 1. "Perform vehicle handover" in the...
- Electrical system: software
- The steering wheel generates grinding noises between the steering wheel and steering column switch module...
- Noises in the steering column area when steering
- Electrical system
- Electrical system
- Electrical system
- Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats...
- Electrical system
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Rear spoiler sporadically remains in opened position or does not extend and a fault message appears in the...
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle
- Electrical system
- Brake squeal on rear axle, usually when braking slowly
- In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice...
- Bulging of front bumper above headlamps (see attachment)
- Loads induced at the steering wheel through pushing and pulling actions may
- Tailgate opens unintentionally
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Bulging of front bumper above headlamps (see attachment)
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All...
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand...
- The seat heating for the front seats is nonfunctional, the LEDs on the buttons are however, active
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class,...
- The following noise complaints may occur: • Rear spoiler chatters/vibrates when extending/retracting, see...
- • The flush-mounted door handle could jam or skip while extending and may move in a jerky manner while...
- Sporadic warning message in instrument cluster "Engine oil pressure stop switch off vehicle" (or similar)...
- No longer possible to adjust the temperature at the "Touchscreen Rear" (part of Rear Business Package,...
- MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
- Functional impairment of 48 V on-board electrical system "
- Upon selecting navigation, the central display may show the following message: "Map data does not match...
- The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20,...
- The customer may note that the Dashcam feature is inoperable with one of the following complaints.
- The customer may note that the Dashcam feature is inoperable with one of the following complaints
- Coolant warning in instrument cluster
- Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
- The tailgate can only be fully opened by operating it again, multiple times where necessaryor by manually...
- M17x.xxx Check Engine Light on with Misfire DTC's
- In the quick test, faults P0A1402 and/or P0AB602 are stored in the Drive Unit, electrical fault or open...
- In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal...
- Complaint: Various causes are possible
- Front bumper/facia fit above headlamps
- Functional impairment of 48 V on-board electrical system
- Electrical system: software
- Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect...
- Wind noises in area of mirror triangle at front doors as of 120 km/h (75 MPH). Possible noise due to...
- The mobile phone address book is not transferred completely to the multimedia system (COMAND or MBUX). In...
- The check engine indicator light in the instrument cluster may be illuminated with one of the following...
- When the dynamic seat is activated, the tensioning straps on the seat backrest frame may creak
- Fault code B223209 is logged as "stored" in the parking control unit.
- A fixed SRS message is displayed in the instrument cluster
- Check engine indicator light active and fault code P261029/P02FF85/P02FF02 stored in engine control unit
- Information Label on Tire Sealant
- Update sound system control unit software
- EASY-Pack liftgate does not fully open
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