2015 Mercedes-Benz CLA250 engine problems
14 owner complaints filed with NHTSA name the engine on the 2015 Mercedes-Benz CLA250 — 23% of all complaints for this model year.
What owners report
“Check Engine Light - Code P052E71 - Positive Crankcase Ventilation Valve Performance. The component failure can lead to increased exhaust gas emission, oil leaks, and internal engine damage resulting in unsafe operation. Yes, the problem has been confirmed by an independent certified service…”
filed Jul 22, 2025
“The contact owns a 2015 Mercedes-Benz CLA250. The contact stated that the vehicle was taken to a local dealer and the vehicle starting very rather slowly. The vehicle was diagnosed however, no cause for the failure was found. The contact stated that the vehicle operated normally; however, the…”
filed Nov 26, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Affected vehicles have intake or exhaust camshafts whose welds may fail and possibly…Campaign 15V662000 · Oct 16, 2015
Related service bulletins
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than…
PSL-NCU Return Parts 6/19 · Other · issued Jun 19, 2026
Engine problems in other CLA250 years
| Year | Reports | Share |
|---|---|---|
| 2017 CLA250 | 4 | 15% |
| 2016 CLA250 | 15 | 23% |
| 2014 CLA250 | 66 | 37% |
Other reported problem areas on the 2015 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.