2021 Mercedes-Benz GLE 350 technical service bulletins
385 technical service bulletins and manufacturer communications cover the 2021 Mercedes-Benz GLE 350, 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...
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- Dear Dealer Partners, The part numbers listed in the chart below should no longer be installed, and any...
- Customer concern of Air Conditioning not cooling
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic...
- 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
- Radio station cover art does not refresh when switching stations
- Whining / humming noises (described as foghorn‑like) from the drivetrain in the rear axle area during...
- Only vehicles with a variable transfer case are affected
- Clanking noise from the area of the speakers in the doors
- Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious
- CEL light on with no drivability concerns
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic...
- Cause Internal failure of the scroll wheel within the AC compressor
- Noise from front end thought to be from steering gear
- 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...
- 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
- Noise from front end attributable to steering gear
- 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)
- Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious
- 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,...
- CEL light on with no drivability concerns
- Throbbing/humming sound around 60mph
- 1. "Perform vehicle handover" in the workshop menu to start the maintenance computer for service A/B...
- CEL light on with no drivability concerns
- Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop...
- Rattle or clunking noise from underneath the vehicle when driving over uneven/bumpy surfaces
- After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the...
- Noises from the area of the steering column
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- The part numbers listed in the chart below should no longer be installed, and any existing stock must be...
- Despite the IC message shown in these complaints, the primary low-beam function is not restricted
- 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active...
- Cause At present, there are no known noise problems with the steering column
- Head-up display flickering in BR167
- The intent of
- There may be a cosmetic fault in the projection of the logo projector of the outside mirror (left/right)
- Head-up display flickers
- Headlamp, front fog lamp leaky or fogged
- Approx
- -Check engine light illuminated
- The "easy entry and exit feature" function deactivates itself after a brief period
- In vehicles without codes REAR SEAT ENTERTAINMENT (854/447/864) and 903 REAR COMFORT SEAT HEATING (903) or...
- Radio station cover art does not refresh when switching stations
- Frequent rear view camera flap actuations and/or noise associated
- 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"
- When coming to a stop or at slow speeds, brakes produce light squealing noise
- CEL light on with no drivability concerns
- Stored DTC C220564
- Customer concern of Air Conditioning not cooling
- This LI does Not apply to 223 or 206 which use a different generation of 48V systems
- Headlamps leaking or fogged
- Tailgate opens unintentionally
- Engine
- Unknown or other
- Check engine light on with the following fault is current in the VGS Control Unit: P084300 Oil pressure...
- The vehicle cannot disengage “P” (Park), and a red warning message appears in the instrument cluster
- Noise from front end attributable to steering gear
- Head-up display permanently or sporadically unavailable
- Model Year 2019-2022 167 (GLE/GLS)
- Activating Navigation Please Wait" message seen on central display
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz...
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- Customer states the AC either does not cool/has poor performance or heat is insufficient
- After the charging process is complete, an instrument cluster message with a charging error appears and FC...
- The
- (Original LI document #: LI27.35-P-079039) Clicking noises from the electro-hydraulic control unit (EHS)...
- After the charging process is complete, an instrument cluster message with a charging error appears and FC...
- The flap of the reversing camera opens and closes by itself during forward travel several times during the...
- ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist, ESP® trailer stabilization, Adaptive Brake Lights,...
- A finger is permanently detected although none is present, but it is not identified (ghost function)
- Displayed Message: “Driver camera not functioning, see Operator’s Manual”
- USB port not functioning properly
- 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)
- Shift quality complaints when braking during 2-1 coasting downshifts in Sport Plus (S+) drive mode
- Possible complaints about shift quality, issues with learning the park lock, and slipping/rinse entries in...
- A harsh 5-4 downshift can be felt during deceleration while braking or coasting
- Electrical system
- Head-up display permanently or sporadically unavailable
- At low speeds and light brake pressure, brakes will make a groaning or honking noise
- The "Easy entry and exit feature" function deactivates itself after a brief period
- Complaints of oil leaking from rear differential oil pan area
- The result from the XENTRY battery test does not match the current state of the battery
- Concern 1
- After a software update from campaign 2025050001 of component LIB48_222
- After a software update of component LIB48_222
- 1. Howling noises from the area of the rear axle 2. Oil discoloration is present during oil change (water...
- A pulsating knocking noise (e.g. clattering) can be heard underneath the bench seat, particularly in the...
- No audio is output either in radio mode, or with media playback via app, Bluetooth or USB. In such cases,...
- Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is...
- 1. Noises in recovery mode with the vehicle stationary 2. Noises when driving in a straight line on rough...
- Fuel filler flap/socket flap sticks, cannot be opened
- The "Easy entry and exit feature" function deactivates itself after a brief period
- After a software update for instrument cluster (IC) control unit (N133/1) is performed the following...
- Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument...
- Electrical system
- Complaint
- Customer concern of Air Conditioning not cooling
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- 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...
- Customer concern of Air Conditioning not cooling
- Customer concern of Air Conditioning not cooling
- Electrical system
- Please note that the exact quick test conditions must be met as seen below
- Headlamp, front fog lamp leaky or fogged
- The message "Device detected at diagnostics connection See Operator’s Manual" appears sporadically in the...
- The "Easy entry and exit feature" function deactivates itself after a brief period
- The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the...
- Instrument cluster message for rear turn signal lamp despite functioning rear lamp
- Random heating of air conditioning system
- A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after...
- Vehicle ride is rough
- Possible humming noises from the drivetrain in the area of the rear axle, especially during tight...
- Check engine light on. Engine in limp-home mode
- Electrical system
- During a phone call, the called party has difficulty understanding/cannot understand the driver, or...
- Red oil pressure warning in instrument cluster One of the below fault codes is stored in powertrain...
- 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...
- Electrical system
- Noises/ squealing from the service brake in various driving situations and ambient conditions
- Electrical system
- Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements
- Symptoms with driver display and/or central display
- 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)
- When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the...
- Electrical system
- Play noticeable in the height adjustment of the steering column
- The vehicle's position on the map is displayed far away from its actual position, e.g. the vehicle is...
- After a software update, the MBUX multimedia system (A26/17) may incorrectly display the fault code...
- Electrical system
- Electrical system
- 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
- When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the...
- Only vehicles with a variable transfer case are affected
- -Check engine light(MIL) is ON. -Current and stored fault code in DCCU and PTCU : P2E9873 The position...
- Automatic window raising function of side window inoperative
- Washer fluid system leaks
- "Active Emergency Stop Assist Currently Unavailable" and "Active Steering Assist Inoperative" instrument...
- Check engine light on. One of the below fault codes is current in the engine control module (N3/10)
- After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading...
- White plastic insert present on microphone assembly
- When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the...
- Check engine light on. Fault code P207273
- Customer concern of Air Conditioning not cooling
- 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...
- • Head-up display permanently or sporadically unavailable
- Once the head unit A26/17 is updated to the FUP4 software release E445.0, it may be the case that online...
- When using the offroad display in the MBUX, the "Transparent hood" function cannot be activated using the...
- Customer concern of Air Conditioning not cooling
- Yellow coolant warning system message appears in instrument cluster
- Check engine light on and fault code P019185 current or stored in MED41 control unit
- Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G-TRONIC automatic...
- • Seats cannot be adjusted • Seats cannot be folded • Seats in the 2nd seat row cannot be locked or...
- The following event codes are logged in control unit IDC213
- Customer concern of Air Conditioning not cooling
- 1. Cracking noises from the area of the rear axle 2. or a message in the instrument cluster "ESP, ABS failed".
- Message in Instrument Cluster: "Active Brake Assist function restricted". The driver assistance systems...
- Customer concern of Air Conditioning not cooling
- Work procedure 1. Connect XENTRY Diagnosis
- Electrical system
- High-frequency interference noise may be heard from the speakers while driving
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- This is to notify you of the Service Campaign OTA update for the MBUX system software in 750,313 Model...
- Customer concern of Air Conditioning not cooling
- Check engine light active and FC P146364 Temp
- Important emission extended warranty information
- The following symptoms may be present in the instrument cluster: 1. "Perform vehicle handover" in the...
- Tailgate opens unintentionally
- Electrical system
- The radio station favorites list is no longer present after bus idle Saving process during download...
- After clicking on the "Radio" selection function, the radio does not start and instead a permanent loading...
- Electrical system: software
- Electrical system
- A knocking noise can be heard from the area of the steering gear or steering column tube, and a "cracking"...
- 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
- Customer complains about anti-theft alarm system triggering without obvious cause when the vehicle is...
- Electrical system
- Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats...
- Electrical system
- Excessive resistance of door side windows when being raised/lowered, cracking and/or squeaking noises
- The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle
- Electrical system
- Engine and engine cooling
- The customer may note the following complaints
- Electrical system
- In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice...
- Cracking and creaking noise from area of roof frame, C-pillar (inner) when driving on rough terrain
- Check upper transverse control arm of front axle on left and right, replace upper transverse control arm...
- Ambient lighting malfunctions sporadically, mainly in the Ocean Blue color value and with animation "ON"....
- Knocking noises from area of steering gear, particularly when decelerating or accelerating
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class,...
- No power steering available following engine start, warning message and indicator lamp "Steering" active...
- The mirror glass of the outside mirror is actuated in the wrong direction when retrieving the memory...
- 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...
- Metallic noises from area of instrument panel
- Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All...
- Yellow coolant warning system message appears in instrument cluster
- On vehicles with "ARTICO man-made leather upholstery" or "ARTICO man-made leather upholstery / DINAMICA...
- Equipment
- Electronic stability control: automatic (ASC)
- Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position...
- Malfunction due to the ingress of dirt during the repair of the hydraulic system
- Noises from the area of the steering column
- The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand...
- Equipment
- Electrical system
- Equipment: other: owners/service/other manual
- Fault message, suspension, max
- Cause Communication fault between electrohydraulic suspension component parts through out-of-date software...
- • Seats cannot be adjusted • Seats cannot be folded • Seats in the 2nd seat row cannot be locked or...
- Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class,...
- The following complaints may be noted by the customer: • Upon selecting navigation, the central display...
- Intermittently, engine switches off within a few seconds after being started via the Remote Engine Start...
- Engine and engine cooling: exhaust system: emission control
- Perform SCN coding in the active suspension and damping system control unit
- Replace bolts for centering flange on integrated starter-alternator
- Equipment
- The garage door hand transmitter cannot be initialized with the integrated garage door opener in the...
- Equipment
- AIRMATIC fault message in instrument cluster
- Sporadic warning message in instrument cluster "Engine oil pressure stop switch off vehicle" (or similar)...
- 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
- Functional impairment of 48 V on-board electrical system "
- New service campaign launch information.
- Model series 167 noise on B/C/D pillars.
- Upon selecting navigation, the central display may show the following message: "Map data does not match...
- The customer may note that the Dashcam feature is inoperable with one of the following complaints.
- Excessive resistance of door side windows when being raised/lowered, cracking and squeaking noises.
- Fuel filler flap opens slowly/switch flashes/tank is bleeding instrument cluster warning
- Insufficient charging or no wireless charging with iPhone 12.
- Customer complains that check engine light is on.
- Yellow "Coolant" message in instrument cluster.
- The customer may note that the Dashcam feature is inoperable with one of the following complaints
- Launch NCU 2021070020- Perform SCN coding in powertrain control unit
- Launch NCU
- Noise Complaints Relating To The eSuspension
- With engine M17x the ME Control Unit: "The Coolant Temperature is Below the Specified Temperature"
- New map data cannot be downloaded by the customer from the Mercedes me PortalNew map data cannot be...
- Noise From Air Conditioner Housing (Humming)
- Complaint: When removing the steering column switch module, a fracture may occur in the bridge of the...
- Message (yellow) in IC "Active Brake Assist currently restricted, see operator's manual, Remedy:...
- Armrest In Center Console (Front) Only Opens On One Side Or Not At All
- Engine switches off again when re-attempting Remote Start via Mercedes me App. This only occurs if the...
- BR167 front brake squeal with engine code M264 and option code P31
- 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...
- Suspension fault message in instrument cluster to drive at max
- Excessive resistance of door side windows when being raised/lowered, cracking and squeaking noises
- Air bags
- In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal...
- The seat cushion cover on the front seat cracks when side bolster is equipped with "ARTICO man-made...
- If the exhaust flap is operated or the drive program is changed within 10 seconds of the engine being...
- Electrical system
- The backrests of the second seat row (60% and 40% side) are offset relative to each other.
- 1. Noises in recovery mode with the vehicle stationary 2. Noises when driving in a straight line on rough...
- Warning display message for eSuspension, various causes and remedies listed.
- Model Series 167: Cracks In ARTI- CO Seat Cushion Cover On Front Seat
- Creaking noise from fixed glass section of panoramic roof in area of rear passenger compartment grab handles
- Yellow Coolant Temperature Warning in the Instrument Cluster
- Check engine light on and FC P146264 sto- red in engine and fuel pump control units
- Replace charge air hose between charge air cooler and turbocharger
- Tires: pressure monitoring and regulating systems
- Vibrations Or Howling Noise From The Area Of The Rear Axle
- 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...
- Functional impairment of 48 V on-board electrical system
- Fuel tank overfilling due to malfunctioning fill station dispenser- model series 167, 177, 118, 247
- Ticking or pulsing noise from high-pressure pump and/or fuel injectors.
- Gasket may settle causing a slight oil leak.
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