2019 Mercedes-Benz CLA250 technical service bulletins
144 technical service bulletins and manufacturer communications cover the 2019 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.
- Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz...
- Noises in the steering column area when steering
- 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
- -Check engine light illuminated
- 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)
- The "Easy entry and exit feature" function deactivates itself after a brief period
- Transmission limp-home mode with fault message in IC "Gear Change to R Not Possible", the even gears are...
- Customer complaints regarding automatic transmission 724.1 (8FDCT & 8FDCT hybrid) For faster, more...
- In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the...
- 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...
- 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
- 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)
- Check engine light on. Fault code P207273
- Headlamp or front fog lamp leaky or fogged
- Headlamps fogged or droplets forming
- Headlamps fogged or droplets forming
- Check engine light on and fault code P019185 current or stored in MED41 control unit
- 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...
- Electrical system
- 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
- Crease formation on genuine leather seat covers in vehicles with low mileage ⢠Objects left on the seats...
- Electrical system
- 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
- Electrical system
- The Mercedes me connect services cannot be activated
- In the MBUX weather app, the temperature is displayed in the wrong unit (Fahrenheit instead of °C, or vice...
- Ambient lighting malfunctions sporadically, mainly in the Ocean Blue color value and with animation "ON"....
- Tailgate opens unintentionally
- Squeaking noise from area of input shaft of electric steering
- Power train
- Chirping or tapping noise originating in area of front crankshaft pulley when engine cold
- Customer states after a bus sleep the SiriusXM category changes from "My Favorites" to "All...
- Vibrations in steering at speeds lower than 30 mph
- Complaint
- Noises from the area of the steering column
- The Apple Carplay interface cannot be controlled via the center console touchpad or the right-hand...
- Power train
- Volume and bass level too low
- Staining at top and bottom of trim bars of doors
- MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
- Spare wheel.
- Upon selecting navigation, the central display may show the following message: "Map data does not match...
- Vibrations/ humming when moving off or maneuvering with the wheels turned
- Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
- Engine and engine cooling: exhaust system: emission control
- Update IDC Control Unit Software
- Air Conditioning System Occasionally Does Not Cool Correctly At Outside Temperatures Above 40°C
- Check engine light on and FC P146264 sto- red in engine and fuel pump control units
- Fault code for short circuit to ground stored in AW- D_MFA2
- Communication errors with control unit AWD_M- FA2
- Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determine that on certain MY 19...
- 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...
- Rollerblind or panoramic roof do not actuate as expected
- MBUX multimedia system: "Favorites" and "Recent destinations" not available
- Air Conditioning Intermittently Does Not Cool
- Electrical system: software
- Message in the Instrument Cluster "Refill 1L Oil at the Next Fuel Stop"
- Lamp unit fogged or droplets forming
- Headlamps fogged
- Font Size of Indicator Lamps in the Instrument Cluster
- Information Label on Tire Sealant
- Retrofitted front door exit lamps with logo projection flicker
- Squeaking Noise from Exhaust Gas Flap
- Throttle lift-off clunking noises at drive shafts of front axle
- Outside mirror folding out/in nonfunctional
- Head-up display (HUD) code 463 ? lines on the display, display flickers
- Remote Access" in workshop menu of instrument cluster
- G Facelift 2018: Knocking noises from rear area on rough roads
- Fault message "SRS
- 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.
- 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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