Engine complaints and recalls from NHTSA
Summary
The 2017 Mercedes-Benz C-Class has 60 NHTSA engine complaints and 0 engine-related recalls.
60
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 10, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Mar 20, 2026 | ENGINE | Check engine light for P052E which has been coming and going off for years now. Now the check engine... |
| Oct 31, 2024 | ENGINE | I have an error code: P052E. |
| Oct 19, 2024 | ENGINE,FUEL/PROPULSION SYSTEM | my whole entire car smells like gas. I cannot drive this car around because I will pass out and it i... |
| Aug 14, 2024 | ENGINE,FUEL/PROPULSION SYSTEM | Keep getting a code P052E! Changed the oil and code went away for a few days then came back. Looked ... |
| Aug 11, 2024 | ENGINE | P052E code for PCV vent valve |
| Jul 20, 2024 | ENGINE | Check engine light on. Test results: Positive Crankcase Ventilation Regulator Valve Performance CODE... |
| May 2, 2024 | ENGINE | this is my send time writing in. mercedes used the wrong wrist pins for the pistons leading to my wi... |
| May 2, 2024 | ENGINE | cracked piston in cylinder #1. After doing research this is a common problem in the m274 engine from... |
| May 1, 2024 | ENGINE | po52e71 the valve for crankcase ventilation has malfunction |
| Apr 7, 2024 | ENGINE | P052e positive crankcase ventilation regularly valve |
| Mar 8, 2024 | ENGINE | P052E Positive Crankcase Ventilation Regulator Valve Performance this is a common issue with Mercede... |
| Feb 26, 2024 | ENGINE | Check engine light on on 2017 Mercedes C300 4 Matic. Car has 52,000 miles on it. The code P052E71 wa... |
| Feb 16, 2024 | ENGINE | My Mercedes benz C300 2017 have the P052E positive crankcase ventilation regulatory valve, and Mer... |
| Feb 5, 2024 | ENGINE | Check engine light came on. Error code indicates a PCV crankcase ventilation valve has malfunctione... |
| Dec 15, 2023 | ENGINE | P052E PCV Regulator Valve Performance |
| Dec 5, 2023 | ENGINE | P052e..PVC ventilation crank shaft valve sensor, too many people all reporting the same expensive it... |
| Oct 27, 2023 | ENGINE | I took my vehicle to the mechanic due to the check engine light been on. The diagnostic came back to... |
| Oct 1, 2023 | ENGINE | My vehicle started shaking and the check engine light came on. It's a PCV valve |
| Sep 23, 2023 | ENGINE | P520E code which is caused by a crankcase ventilation issue. The fix costs upwards of $2000. It seem... |
| Sep 8, 2023 | ENGINE | The Crankcase Ventilator Actuator has malfunctioned, resulting in the Check Engine light showing up.... |