2014 Mercedes-Benz CLA250 engine problems
66 owner complaints filed with NHTSA name the engine on the 2014 Mercedes-Benz CLA250 — 37% of all complaints for this model year.
What owners report
“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…”
filed Mar 10, 2026
“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…”
filed Nov 17, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other CLA250 years
| Year | Reports | Share |
|---|---|---|
| 2017 CLA250 | 4 | 15% |
| 2016 CLA250 | 15 | 23% |
| 2015 CLA250 | 14 | 23% |
Other reported problem areas on the 2014 Mercedes-Benz CLA250
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.