Check engine light comes on, Error Code P052E, after a lot of research, this is a known defective part by Benz. Huge safety issue not addressed by them. Very costly to fix for a customer. There is a new and improved replacement part from Benz indicating they are aware of the faulty old parts that are currently in those cars but yet they have failed to do a recall.
2018 Mercedes-Benz C300: check engine light
22 of the 99 complaints about the 2018 Mercedes-Benz C300 describe check engine light.
- owner complaints
- 22
- of this car's complaints
- 22%
- typical repair cost reported
- $2,300
- recalls
- 0
Is there a fix? 23 service bulletins cover this area of the car. See below
Check engine light by model year
What owners say
The engine light is on with only 35000 miles. Upon using an OBD2 scanner, error code P052e positive crankcase ventilation(PCV) malfunction was detected. It's a problem that I researched and noticed a lot of people having the same issue. I was told that this can cause the car to stall or shut down? This causes serious risk and safety issues to drivers, passengers, and pedestrians. With so many complains about this problem, I believe the manufacturer and dealers should take responsibility before tragedies happen.
The day after I purchased my c300, the engine light popped on. I went back to dealer and they said it was a recall because of a crank case (PCV). I was upset because they never said anything about it. This was April of 2024. Note:(This Dealer was not Ray Catina’s of Edison). I went to Ray Catina’s in Edison for them to inspect car and I have been calling because I was told it was a national recall and it was on back order and should be here in June. It is now almost August and I called on the 23rd of July and received a call from Ray Catena on the 24th for them to tell me that “they were told that the new plan from Mercedes is to bring my car in and they will clear code. That’s what they are told to do.” To me, this is NOT fixing the issue. I am a little aggravated because I bought my car on [XXX] and have NOT been able to feel good because not sure what ramifications will come with me driving my car with this issue. I was told that driving with this engine light on and code that it will not harm my car. They now say Mercedes was told to reset the code and that will resolve issue? I believe this is a band aid not a fix!!! I’m a little upset. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
I have 33,000 miles on the vehicle and the check engine light came on. The code P052e came up Positive Crankcase Ventilation Regulator Valve Performance. I’m reading that many people have the same issue but there is no recall. Is there anything that can be done?
Check engine light code is positive crankcase ventilation regulator valve
Check engine light appeared.I took it to Mercedes and they said the crankshaft was faulty. I had to repair it and it cost me about $1800.00.
Positive crank case valve failure. Check engine light on. Mechanic started this was extremely common and a costly repair on lower mileage Mercedes Benz vehicles. Mercedes Benz forums also mention this is extremely common and frustrating. This happened at slightly over 50k miles on my vehicle. Error code P052e
The check engine light came on with the error code P052E - PCV valve failure while the car is only driven for less than 38K miles. I am worried about the quality of the car/engine.
Hello My c300 2018 only have 79k and suddenly the engine light on, when I check it show that I need Positive Crankcase ventilation valve replace. it cost $2300. As I know a lot of people who own Merced have the same problem so should have a recall for that Thanks
The check engine light has been coming on to indicate replacement of vent valve assembly According to the Mercedes Benz dealership. This is a commonly known problem in MB that they should replace and repair instead of charging customers $2k. My car has below 40k miles on it.
Check engine light came on. Had a diagnostic check and was told that the crankcase ventilation sensor needs to be replaced which will cost $1200.
My c300 2018 only has 50k and suddenly the engine light is on, when I check it shows that I need the Positive Crankcase ventilation valve replaced. it cost $2300. As I know a lot of people who own Mercedes have the same problem. Three mechanics claim it on almost all C, CLA, and GLA models. Please make Mercedes recall it finally.
Service bulletins that may apply
- Engine
- Engine
- -Check engine light illuminated
- Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase...
- Check engine light on. Fault code P207273
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...
- Yellow Coolant warning comes on in cluster Fault codes below are current or stored in MED41 P0A0500- The...
- Check engine light on and fault code P019185 current or stored in MED41 control unit
Related recalls
No recalls on record for this model year.
Questions about the 2018 Mercedes-Benz C300 check engine light
Is check engine light a common problem on the 2018 Mercedes-Benz C300?
22 of 99 owner complaints about the 2018 Mercedes-Benz C300 (22%) mention check engine light. The model year with the most reports is 2016.
How much does it cost to fix check engine light on the 2018 Mercedes-Benz C300?
Owners who mentioned a price put the repair at about $2,300 (median of 5 complaints that include a dollar amount). Costs vary with mileage, warranty and where the work is done.
Is there a recall or service bulletin for this on the 2018 Mercedes-Benz C300?
There are 0 recalls and 23 service bulletins for the same area of the car. Check them below with your VIN.
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