2017 Mercedes-Benz E300 fuel/propulsion system problems
20 owner complaints filed with NHTSA name the fuel/propulsion system on the 2017 Mercedes-Benz E300 — 15% of all complaints for this model year.
What owners report
“I own a 2017 mercedes benz e-class. I'm starting to smell gasoline in the cabin and also outside of my vehicle. I tried entering my VIN number to see if any recalls. There is something listed for the smell of gas. Can someone help me regarding this matter.”
filed Mar 17, 2026
“Very strong gas smell coming from car especially in cool weather temperatures. The smell disappears when the car runs for a while but it’s terrible on cold starts. High or low pressure fuel line is the cause of it. Smell would disappear before reaching shops for diagnosis. Many other owners of same…”
filed Jan 25, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Other reported problem areas on the 2017 Mercedes-Benz E300
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.