2018 Mercedes-Benz CLA250 Technical Service Bulletins

106 technical service bulletins (TSBs) are on record for the 2018 Mercedes-Benz CLA250. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10246281Nov 17, 2023Engine cooling. Fault code P06DA00 is found current or stored in engine control unit. Check engine light may be activated. Various causes Up to Model year 2018 Fault code P06DA00 can be disregarded if not activating the check engine light, unless otherwise specified in the guided test. The vehicle continues to operate as designed. Further causes should be investigated if complaint of check engine light is received.
• 10244837Oct 10, 2023Electrical system. The "SOS nonfunctional" message appears sporadically in the instrument cluster of the vehicle. The fault code B129C00 is stored in the control unit log. The message occurs in particular after the vehicle has been non-operational for an extended period of time; the message then disappears of its own accord after a few minutes. No functional limitation to the emergency call system is to be expected. Software error in…
• 10241527Aug 28, 2023Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2018-2023 C-Class, EQE, EQE SUV, EQS, EQS SUV, GLC, GLE and S-Class (206, 295, 294, 297, 296, 254, 167 and 223 platform) vehicles, the communication module software does not correspond with the latest series production configuration. The update is free of charge and will be carried out in the background.
• 10241790Aug 18, 2023Electrical system, Equipment. The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 - control unit for telematics services (HERMES). In the HERMES control unit log, under the "URL" tab, the value DEFAULT is stored for "atpServerUrl" and/or "rcsServerUrl". Please carry out a re-commissioning of the control unit N112/9 - Control unit for telematics services (HERMES), which includes both a…
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10205841Sep 24, 2021Other or unknown, Wheels. Spare wheel.
• 10199675Jul 14, 2021Suspension, Transmission and drivetrain. Vibrations/ humming when moving off or maneuvering with the wheels turned
• 10189400Feb 11, 2021Engine cooling. Mercedes-Benz AG (?MBAG?), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2018-2019 C and E-Class vehicles (205/238 platforms), an incorrect activated carbon filter might have been installed. In this case, the vehicle may not meet emission and certification requirements. MBUSA will conduct a voluntary Emission Recall Campaign in which an authorized Mercedes- Benz dealer will…
• 10186132Sep 12, 2020Transmission and drivetrain. Humming/ vibrations/ noises from the area of the rear axle while maneuvering or when moving off
• 10179904Aug 28, 2020Electrical system. Implausible "service due" instrument cluster message, head unit pop-up, or Mmc message
• 10179907Aug 3, 2020Lane departure. Engine diagnosis warning lamp activated - Fault code P012800
• 10179966Jul 31, 2020Equipment, Other or unknown. Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional
• 10178737Jul 23, 2020Electrical system. MBUX multimedia system: "Favorites" and "Recent destinations" not available
• 10178715Jun 30, 2020Exterior lighting. Headlamps fogged
• 10178713Jun 30, 2020Exterior lighting. Headlamps fogged
• 10177571Jun 30, 2020Exterior lighting, Equipment. Lamp unit fogged or droplets forming. Due to the vent openings, the lamp unit is an "open system". This means that acidic gases, moisture, dirt and exhaust gases can penetrate it. This can result in deposits on the diffuser and lens. Check housing cover of lamp unit for natural fogging or dew as per GI82.10-P-009047. . 1. If a reduction in the degree of fogging is visible, the desiccant packs can be used once the…
• 10172683Feb 7, 2020Tires, Equipment. Information Label on Tire Sealant
• 10171637Jan 14, 2020Body and structure, Interior lighting. Retrofitted front door exit lamps with logo projection flicker
• 10171615Jan 2, 2020Electrical system, Other or unknown. Clock in the instrument cluster stops
• 10169599Nov 21, 2019Back-over prevention (rear camera), Fuel system. Squeaking Noise from Exhaust Gas Flap
• 10164810Aug 5, 2019Suspension, Equipment. Throttle lift-off clunking noises at drive shafts of front axle
• 10162631Jun 27, 2019Visibility (wipers, defrost, mirrors). Outside mirror folding out/in nonfunctional
• 10155136Feb 19, 2019Equipment. Fault message "SRS - Service Required" displayed in instrument cluster and SRS lamp active
• 10154028Jan 30, 2019Electrical system, Equipment. Audio 20: Apple CarPlay displays pixelated image
• 10151959Jul 23, 2018Seat belts. Seat belt extender toothed rack sluggish or makes noises
• 10151943Jul 16, 2018Transmission and drivetrain. 7G-DCT: Scratching noise when changing gear from D to R when transmission cold.
• 10151945Jul 10, 2018Equipment. Audio 20: Symbols in the status line in the central display can overlap
• 10135514Feb 16, 2018Electrical system. Update HERMES control unit software
• 10158370Oct 26, 2017Electrical system. Vehicle does not start, battery discharged.
• 10158321Oct 5, 2017Equipment, Exterior lighting. LED light on thermal cup holder in rear passenger compartment of BR 222 flickers
• 10158239Sep 19, 2017Interior lighting. Partial operation of interior ambient lighting
• 10205156Aug 26, 2016Transmission and drivetrain, Other or unknown. Intial startup not possible after replacement of transmisson 725.0 or of electrohydraulic controller unit.
• 10205247Aug 25, 2016Equipment. Traffic information service and posibly the voice control, nonfunctional after navigation software update.
• 10205154Aug 5, 2016Engine cooling, Other or unknown. Gasket may settle causing a slight oil leak.
• 10135644Oct 22, 2014Engine. Engine starts - but stops again
• 10165847Jul 8, 2014Electrical system. Diverse fault messages in instrument cluster. Distronic, ESP, tire pressure monitoring, engine indicator lamp Diverse CAN communication errors stored in quick test Possible malfunctions in Parktronic or Active Parking Assist. Possible malfunctions of PTC heater booster.
• 10165845Jul 1, 2014Engine cooling. Vehicle rocks or lurches once after sitting in park with engine running for roughly 10 minutes
• 10167518Mar 31, 2014Equipment. Creaking noises in area of center console
• 10167495Mar 24, 2014Engine cooling. Coolant warning message in the instrument cluster although the coolant level is OK
• 10167492Mar 21, 2014Engine cooling. Engine diagnosis warning lamp active - check engine light (CEL) on. The fault code P052E71 is logged in the fault memory of the engine control unit.
• 10167517Mar 18, 2014Equipment. The center stowage compartment does on close or open smoothly.
• 10167512Mar 13, 2014Electrical system. ESP®, BAS, PRE-SAFE®, HOLD function, Hill-Start Assist and ESP® trailer stabilization are unavailable due to a malfunction. Also the adaptive brake lights, Adaptive Brake Assist and/or ATTENTION ASSIST may have failed or be deactivated. The brake system continues to operate with normal effectiveness. The support functions listed may have failed, but are available again after an ignition off/on cycle.
• 10167511Mar 7, 2014Engine cooling. Engine diagnosis warning lamp is active. One or more of the faults listed under 'Control unit / Fault code' relating to the throttle valve actuator (M16/6) and/or oxygen sensor (G3/1 and/or G3/2) are stored in the engine control unit.
• 10167510Feb 28, 2014Transmission and drivetrain, Electrical system. The vehicle cannot be started The vehicle may start by itself shortly after the startup attempt with a delay, as the relay can be late closing. and/or The gear selection is displayed, but no gear is engaged. Gear selection is not possible. and/or Rear window wiper inoperative. and/or Various fault codes concerning disrupted communication paths are stored and/or the corresponding control units are not displayed in…
• 10167018Feb 25, 2014Lane departure. Blind Spot Assist may warn for no obvious reason (visual and then acoustic warning message).
• 10167000Feb 18, 2014Steering. Surface damage on steering wheel trim
• 10166981Feb 14, 2014Electrical system. Implausible coolant warning message in instrument cluster
• 10166987Feb 5, 2014Transmission and drivetrain. Transmission intermittently fails to shift, vehicle jolts in higher gears. The dual clutch transmission (DKG) control unit contains the stored FC 92177 or 92100 - The shift valve of the internal shaft has a malfunction. The commanded position was not reached. In the extended fault freeze frame data it can be seen that this fault was set in 7th gear - see Figure 1 in attachment.
• 10166976Feb 3, 2014Equipment. Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"
• 10205234Aug 21, 2013Electrical system. Software update of COMAND Online control unit.

← All problems reported for the 2018 Mercedes-Benz CLA250