2017 Mercedes-Benz CLA250 technical service bulletins
108 technical service bulletins and manufacturer communications cover the 2017 Mercedes-Benz CLA250, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Engine
- 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...
- 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)
- Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed,...
- 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
- Headlamps leaking or fogged
- Unknown or other
- 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
- Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0 and 724.1.
- The check engine light illuminates or the 48 V message is displayed in the instrument cluster
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- Customer complaints regarding automatic transmission 724.1 (8FDCT & 8FDCT hybrid) For faster, more...
- Engine
- Headlamp, front fog lamp leaky or fogged
- A popup is seen on the HU with the message "data connection temporarily not available". Potentially...
- During a phone call, the called party has difficulty understanding/cannot understand the driver, or...
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
- 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)
- Headlamp or front fog lamp leaky or fogged
- Headlamps fogged or droplets forming
- Headlamps fogged or droplets forming
- 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
- The Mercedes me connect services cannot be activated
- MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
- Spare wheel.
- Vibrations/ humming when moving off or maneuvering with the wheels turned
- Model indicator index.
- Electrical system: software
- Humming/ vibrations/ noises from the area of the rear axle while maneuvering or when moving off
- Implausible "service due" instrument cluster message, head unit pop-up, or Mmc message
- Engine diagnosis warning lamp activated
- Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect...
- MBUX multimedia system: "Favorites" and "Recent destinations" not available
- Lamp unit fogged or droplets forming
- Headlamps fogged
- To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its...
- Information Label on Tire Sealant
- Retrofitted front door exit lamps with logo projection flicker
- Clock in the instrument cluster stops
- Squeaking Noise from Exhaust Gas Flap
- Replace Steering Gear Bolts
- Throttle lift-off clunking noises at drive shafts of front axle
- Update restraint system control unit software
- The purpose of this letter is to advise you of additional benefits that Mercedes-Benz is providing to you...
- Fault message "SRS
- Audio 20: Apple CarPlay displays pixelated image
- Seat belt extender toothed rack sluggish or makes noises
- 7G-DCT
- Audio 20: Symbols in the status line in the central display can overlap
- Replace Fuel Filler Cap
- Update HERMES control unit software
- Vehicle does not start, battery discharged.
- Direct starting/ ECO start/stop inoperative and fault code B21059A current and stored in CBC (front SAM)
- Starter battery discharged due to excessively high quiescent current
- Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit.
- Traffic information service and posibly the voice control, nonfunctional after navigation software update.
- Gasket may settle causing a slight oil leak.
- Engine starts
- Diverse fault messages in instrument cluster
- Vehicle rocks or lurches once after sitting in park with engine running for roughly 10 minutes
- Creaking noises in area of center console
- Coolant warning message in the instrument cluster although the coolant level is OK
- Engine diagnosis warning lamp active
- The center stowage compartment does on close or open smoothly.
- ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist and ESP® trailer stabilization are unavailable due...
- Engine diagnosis warning lamp is active
- The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a...
- Blind Spot Assist may warn for no obvious reason (visual and then acoustic warning message).
- Surface damage on steering wheel trim
- Implausible coolant warning message in instrument cluster
- Transmission intermittently fails to shift, vehicle jolts in higher gears
- Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable
- Software update of COMAND Online control unit.
- New roller blind with blind bearing does not fit in previous panoramic with old roof mechanisms or blind...
- Mobile phone cotacts are not transferred completely.
- The COMAND unit does not start or the display remains dark.
- Single, throttle lift-off, clunking noise from the side shaft when starting off (audible at the wheel)
- Parktronic inoperable.
- Vehicle wanders to the left or right.
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