Four problems related to crankcase (pcv) have been reported for the 2017 Mercedes Benz E300. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Mercedes Benz E300 based on all problems reported for the 2017 E300.
Malfunctioning positive crankcase ventilation (pcv) valve: issue: the partial-load ventilation valve in the intake line assembly does not work as intended, causing the check engine light to come on. Recommended action: the intake line assembly may need to be replaced. A malfunctioning positive crankcase ventilation (pcv) valve can cause a number of engine issues, including: increased oil consumption, leaks, reduced fuel efficiency, and the engine releasing more pollutants.
Pcv failure causes engine light code and emission problem.
Failed or malfunction in pcv valve. Common issue in all 2016-2018 c300, E300, and gle300. Multiple failed complaints on the part. Nationwide backorder on the part. No recall issued for this common problem. No help from dealerships, will just put you on a waitlist for a nationwide back order.
Pcv regulator valve failure at69,000 miles on my 2017 mercedes E300. . I understand this is common before 100,000 miles with the four cylinder turbo, I feel there should be a recall and be replace at mercedes dealers cost. (to replace cost is around $2,000 about 7 hours labor I was told).