2018 Mercedes-Benz GLC 350 E technical service bulletins
189 technical service bulletins and manufacturer communications cover the 2018 Mercedes-Benz GLC 350 E, including 6 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...
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- Engine
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the...
- Fuel/propulsion system
- Visibility/wiper
- 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
- Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction...
- 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...
- 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,...
- 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...
- There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper...
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- Headlamp, front fog lamp leaky or fogged
- Headlamp, front fog lamp leaky or fogged
- Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery"
- Headlamps leaking or fogged
- Unknown or other
- 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
- Check engine lamp illuminated
- Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick...
- Users report that the browser no longer supports search queries entered directly into the address bar
- 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...
- Load compartment cover generates a creaking noise during driving when pulled out to covering position
- After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle,...
- 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...
- The result from the XENTRY battery test does not match the current state of the battery
- Headlamp, front fog lamp leaky or fogged
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- Instrument cluster message for rear turn signal lamp despite functioning rear lamp
- Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious
- MBUX headunit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or...
- Paint damage on door paneling in area of door handle (see picture 1).
- 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
- Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault...
- Paint damage on door paneling in area of door handle (see picture 1).
- 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)
- Customer states CEL is on. Cause Quick test shows FC P0A7F00 The state of health limit of the...
- The cable duct of the high-voltage drive line wiring harness is unhooked from the holder and makes contact...
- After a software update, the MBUX multimedia system (A26/17) may incorrectly display the fault code...
- 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
- Check engine light on. One of the below fault codes is current in the engine control module (N3/10)
- The electric range does not meet customer's expectations
- 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...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Noticeable vibrations at the steering wheel: • At speeds between 40mph and 75mph • On straight stretches...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 Positive Crankcase...
- Always use the latest XENTRY Diagnosis software release with all available add-ons
- The radio station favorites list is no longer present after bus idle Saving process during download...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- 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
- 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...
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase...
- Electrical system
- 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
- Visibility
- In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice...
- Check engine light illuminated Red coolant warning in instrument cluster Fault codes U019F00 or U019F87...
- Complaint
- Staining on door trim strips and top and bottom trim elements on rear side windows
- 1. Vibrations noticeable at steering wheel when front axle is excited when driving at a speed between 65...
- 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...
- Malfunction of the electric steering column adjustment
- Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All...
- In an initial quick test, DTC B238A00 "Fan 2 of the control unit has malfunctioned" may be active...
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz...
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Thumping noise on rear axle shock absorber on rough road
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the...
- 1. Vibrations noticeable in steering wheel when front axle is excited while driving at a speed above 40...
- Engine and engine cooling
- The following complaints may be noted by the customer: • Upon selecting navigation, the central display...
- 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
- Insufficient cooling capacity and/or noises from refrigerant compressor
- MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
- MBUX multimedia system: Map data does not match with your system/the navigation system cannot be activated
- 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,...
- On vehicles with code 077 HERMES dummy module the following functions are restricted, unavailable.
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
- 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
- Launch EW NCU
- Vehicle does not start after charging process
- Remote start causing CEL and U012600.
- For plug in hybrid and electric variants: Complaints about the electric range
- The following complaints may be noted by the customer
- Cracking/Creaking Noises Coming From The Area Of The Mechanical Steering Column
- Xentry Battery Tester results disagree with workshop assessment
- Mobile phone Apple iPhone 11/11Pro/11ProMax/SE 2020: The Bluetooth connection between the MBUX multimedia...
- Steering wheel heater and/or Distronic function limited
- Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect...
- Fault code B223209 is logged in the parking control unit
- Information Label on Tire Sealant
- Audible fan noise from area of center console
- MBUX multimedia system: Mercedes-Benz service stations not available in Navigation menu
- G-Class Facelift 2018: Fault message "ABS, ESP inoperative, see operator's manual"
- Assessment of actuating and operating noise from steering
- Outside mirror folding out/in nonfunctional
- MBUX multimedia system: No vehicle image in menu settings
- High-voltage battery warning message" in instrument cluster
- Electric range is reduced after brief period
- Comand
- Retrofit protective grille for additional cooler
- Head-up display (HUD, code 463)
- Audio 20: Playback stops when a track is changed.
- Audio 20: SD card with audio files is not read
- Update fuel system control unit (FSCU) software
- Message "SOS
- Clock is slow in vehicles without navigation
- LED light on thermal cup holder in rear passenger compartment of BR 222 flickers
- Partial operation of interior ambient lighting
- Brake squeal from front axle at low temperatures
- Perform SCN Coding in Transmission Control Module
- Navigation system permanently displays "Activating".
- Reset the customer-specific data and perform a software update of the AUDIO20 control unit.
- 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.
- Operation complaints for LED headlamps.
- Rattling noises in area of 2-stage turbocharger, OM651
- Vehicle wanders to the left or right.
- Headlamp lights up sporadically
- Vehicle cannot be unlocked/ vehicle does not start
- Failure of stereo multifunction camera
- Brake squeal on front axle at low temperatures
- Engine noises after engine start
- Noises when opening and closing automatic liftgate.
- Combination message: "Clean fuel filter" is displayed
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