2014 Mercedes-Benz CLA250 engine problems

Related recalls

No recalls on file.

What owners say

1. Filed Mar 10, 2026ALFireAirbagsBody & StructureEngine

   The contact owns a 2014 Mercedes-Benz CLA-Class. The contact stated that upon approaching the vehicle, she discovered that the driver's side window was shattered. The sunroof was brown, and there was a hole in the dashboard showing the engine. The contact stated that the vehicle had caught fire; however, the fire extinguished on its own. There were no prior warning lights illuminated. There were no reported injuries, air bag deployment, or police report filed. The fire…

   NHTSA complaint #11723215 · source
2. Filed Nov 17, 2025PAEngine

   I own a 2014 Mercedes-Benz CLA 250 with the 2.0L turbocharged 4-cylinder M270 engine. The check-engine light came on and an OBD-II scan showed fault code P052E / P052E71, which indicates that the valve for crankcase ventilation (PCV / crankcase ventilation valve integrated into the valve cover) has a malfunction and the actuator is blocked. The vehicle is available for inspection and, if the repair is performed, the failed part can be retained. This appears to be the same…

   NHTSA complaint #11699978 · source
3. Filed Oct 29, 2025NYEngineFuel, Hybrid & EV Propulsion

   P052e common crankcase ventilator issue mercedez extended warranty for later models for this same consistent issue in all the cars excluding 2014 starting at 2015 vehicles making us pay over $2000 for a fix supposed to be free being that it's all mercedes even the year before Should be a recall along with the hundreds of thousands of people with same issue online same car.

   NHTSA complaint #11696266 · source
4. Filed Jan 28, 2025MNEngineFuel, Hybrid & EV Propulsion

   Check engine code p052e - PCV valve replacement (Crankcase Ventilation valve) - common issue on car and known recall for other models

   NHTSA complaint #11639110 · source
5. Filed Sep 26, 202476,850 miOKElectrical SystemEngine

   The contact owns a 2014 Mercedes-Benz CLA250. The contact stated while driving at approximately 70 MPH, the vehicle stalled. The contact stated that when the vehicle stalled, an audible chime sounded, and the air bag warning light illuminated, and a RED triangle symbol flashed on the instrument panel. The contact stated that the instrument cluster went blank, and the vehicle lost power steering assist. Additionally, the brake pedal was very difficult to depress. The contact…

   NHTSA complaint #11616572 · source
6. Filed Mar 21, 2024MAEngineAcceleration & Cruise Control

   Apparently the TPS (Throttle Position Sensor) which is built into the gas pedal on this 2014 MB CLA250 only lasts so long before it becomes defective under highway conditions and causes the vehicle to go into LIMP MODE. When full acceleration is necessary, the unit will work for perhaps a few months or less, and then continue to fail worse and more frequently with each attempt at full acceleration. At highway speeds, this is an essential feature in a 4-cylinder vehicle such…

   NHTSA complaint #11578613 · source
7. Filed Oct 26, 2023CAEngine

   My engine light is and as per mechanics I have seen it is a very common problem with mercedes benz around crankcase ventilation actuator. As per mechanics its faulty part and mercedes have changed it for new models but there is no recall on the older models. Cost to repair the part is around $3500. Issue with the part if causing environment problem as mileages is reduced and more fuel burning. This eventually impacts the engine and car.

   NHTSA complaint #11552114 · source
8. Filed May 11, 2023CAElectrical SystemEngineOther / Unknown

   As I was driving, the car is on D but it slips into N and I cannot shift to any other gear accept P. This happens randomly and happened three times. I noticed the GLA250 also had this issue. I have to turn off my engine and restart my car to get it running again normally.

   NHTSA complaint #11521574 · source
9. Filed Aug 31, 2021CAEngine

   catalytic converter Got clogged up and car would loose power and not get enough air into engine and catalytic converter right next to the turbo under the heat shield would turn glowing red causing turbo to leak it’s fluids

   NHTSA complaint #11431296 · source
10. Filed Aug 9, 2021FLEngine

    Without warning , the vehicle started to shake uncontrollably and was unable to reach a certain speed without the tremors. Very unsafe to drive

    NHTSA complaint #11428288 · source
11. Filed Dec 25, 202065,000 miCTAirbagsElectrical SystemEngine

    Right air bag malfunction error and check engine light for crank case. This is a very common problem that mercedes explained to me and also told me to check back for recalls because their vni system will probably show one

    NHTSA complaint #11384911 · source
12. Filed Dec 23, 202059,000 miCADriver Assistance & Safety TechEngine

    While driving out of a driveway, a car pulled near my car. At that time, the car was stationary. My wife heard the pre-collision warning. The the car completely shutoff or stalled. Turned off the car completely by turning the key. Then turned the car back on. Lucky there was no accident.

    NHTSA complaint #11384767 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology