2020 Mercedes-Benz AMG C63S technical service bulletins
163 technical service bulletins and manufacturer communications cover the 2020 Mercedes-Benz AMG C63S, 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
- 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
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time
- Tailgate opens unintentionally
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- 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
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- 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)
- 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...
- 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...
- 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...
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- Damaged cords/tensioning cables at the soft top interior trim with the following characteristics
- 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
- Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery"
- Unknown or other
- 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 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 flap of the reversing camera opens and closes by itself during forward travel several times during the...
- The shift from 1st to 2nd gear may be uncomfortable under light load
- 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
- 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
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Customer complains of oil use, oil leaking or oil smell
- 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...
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle,...
- Electrical system
- Headlamp, front fog lamp leaky or fogged
- Headlamps leaking or fogged
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- 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...
- 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...
- Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault...
- On certain Model Year 2019
- Electrical system
- Electrical system
- Noise from area of instrument panel Noise might occur in the following conditions
- Fuel door may require several attempts to open
- Wind or airflow noises in the area of the doors
- 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
- The flap of the reversing camera opens and closes by itself during forward travel
- 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
- Only vehicles with a variable transfer case are affected
- Washer fluid system leaks
- Tension-releasing impact of the propeller shaft with the force-free in D "KID" function, after vehicle has...
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Headlamp or front fog lamp leaky or fogged
- Headlamps fogged or droplets forming
- To insure vehicle down time is kept at a minimum and all required information is available when case is...
- Headlamps fogged or droplets forming
- Complaints about shift quality in vehicles of MODEL 205, 212 and 222 with TRANSMISSION 724.2.
- Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches...
- The driver's seat memory settings do not synchronize with the driver's user profile as described in the...
- The customer complains of a check engine light (CEL) on. May also complain of the engine running roughly...
- Tailgate opens unintentionally
- 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...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle
- Electrical system
- Visibility
- Loads induced at the steering wheel through pushing and pulling actions may
- Tailgate opens unintentionally
- Staining on door trim strips and top and bottom trim elements on rear side windows
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Thumping noise on rear axle shock absorber on rough road
- Customer may have one or more of the following complaints: • Vehicle location is shown incorrectly in the...
- Electrical system
- The range of the integrated garage door opener (GTO) is too short
- Clunking noises on rough roads
- MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
- Eco start/stop nonfunctional due to 12V battery
- The Weather App will not populate local weather data based on current vehicle position.
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
- Insufficient charging or no wireless charging with iPhone 12.
- Coolant warning in instrument cluster
- Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
- M17x.xxx Check Engine Light on with Misfire DTC's
- Remote start causing CEL and U012600.
- In the quick test, faults P0A1402 and/or P0AB602 are stored in the Drive Unit, electrical fault or open...
- Complaint: Height adjustment of electric steering column adjustment jams in upper / lower adjustment...
- The mobile phone address book is not transferred completely to the multimedia system (COMAND or MBUX). In...
- 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
- NTG5.5
- Information Label on Tire Sealant
- EASY-Pack liftgate does not fully open
- Map pocket on front seat backrest trim does not close.
- Engine sound change after recent software updates.
VIN decoder
See the problems and recalls for an exact car
Buying a used 2020 Mercedes-Benz AMG C63S?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history