2020 Mercedes-Benz C350E technical service bulletins
116 technical service bulletins and manufacturer communications cover the 2020 Mercedes-Benz C350E, including 2 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
- 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
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic...
- 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...
- 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,...
- 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...
- Headlamp, front fog lamp leaky or fogged
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- Unknown or other
- Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure...
- (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS)...
- Possible complaints about shift quality, issues with learning the park lock, and slipping/rinse entries in...
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- The OTA software update prepares the SRS/ORC controller and enables it to be updated remotely in the future
- 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...
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase...
- Headlamp, front fog lamp leaky or fogged
- Headlamps leaking or fogged
- 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...
- Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault...
- Electrical system
- Paint damage on door paneling in area of door handle (see picture 1).
- 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)
- Only vehicles with a variable transfer case are affected
- Washer fluid system leaks
- After a control unit replacement of "N112/9
- Tension-releasing impact of the propeller shaft with the force-free in D "KID" function, after vehicle has...
- The electric range does not meet customer's expectations
- 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...
- Rear lamps fogged up/not leaktight
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G-TRONIC automatic...
- 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...
- Tailgate opens unintentionally
- 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...
- Fault code P06DA00 is found current or stored in engine control unit
- Wheezing noises from the front shock absorbers when passing over surface undulations and rough road
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Electrical system
- Visibility
- Loads induced at the steering wheel through pushing and pulling actions may
- Check engine light illuminated Red coolant warning in instrument cluster Fault codes U019F00 or U019F87...
- 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...
- Check engine lamp illuminated
- 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 result from the XENTRY battery test does not match the current state of the battery
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class,...
- The touchpad dimming function does not work and the search lighting is either at maximum brightness or...
- 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
- 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
- Intermittently after bus sleep the lower control panel LCP and upper control panel UCP may be panel UCP...
- Coolant warning in instrument cluster
- Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
- Touch pad: Search lighting does not dim or does not turn on.
- Remote start causing CEL and U012600.
- Update Coding of Powertrain Control Unit.
- For plug in hybrid and electric variants: Complaints about the electric range
- With engine M17x the ME Control Unit: "The Coolant Temperature is Below the Specified Temperature"
- Message (yellow) in IC "Active Brake Assist currently restricted, see operator's manual, Remedy:...
- Engine and engine cooling
- Engine switches off again when re-attempting Remote Start via Mercedes me App. This only occurs if the...
- Steering wheel heater and/or Distronic cannot be activated
- After ignition ON, the following message is shown on the instrument cluster
- Fault in 12 V interlock circuit
- When ordering the electrohydraulic controller unit (EHS) using the part number stated on the EHS, the...
- If the exhaust flap is operated or the drive program is changed within 10 seconds of the engine being...
- Disturbed Antenna Signal.
- Navigation system permanently displays "Activating".
- Reset the customer-specific data and perform a software update of the AUDIO20 control unit.
- Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit.
- Headlamp fog.
- Traffic information service and posibly the voice control, nonfunctional after navigation software update.
- Cd/dvd
- High voltage battery warning message in instrument cluster.
- Gasket may settle causing a slight oil leak.
- Window lifter and outside mirror on passenger side malfunction after replacement of door control unit.
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