2014 Mercedes-Benz E350 fuel/propulsion system problems
24 owner complaints filed with NHTSA name the fuel/propulsion system on the 2014 Mercedes-Benz E350 — 9% of all complaints for this model year.
What owners report
“Vehicle subframe corrosion (manufacturer extended warranty offered). Rear brake lines corroded/leaking. Vehicle leaks fuel; steel fuel line corroded. Vehicle has about 105k miles. Minor fire started when yard maintenance came in contact with fuel saturated ground where vehicle had been parked/moved…”
filed Jul 8, 2026
“Strong smell of fuel from the rear wheel well areas, especially after a fill. I have been searching the recalls and found a 15V-792 / 2015110006 Recall Summary as well as a 15V-792 / 2015110006 Recall Solution. Please advise if this is of safety concern and the dealer should address this concern…”
filed Apr 18, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other E350 years
| Year | Reports | Share |
|---|---|---|
| 2016 E350 | 2 | 4% |
| 2015 E350 | 2 | 6% |
| 2013 E350 | 7 | 4% |
| 2012 E350 | 27 | 13% |
| 2011 E350 | 28 | 13% |
| 2010 E350 | 18 | 10% |
| 2009 E350 | 27 | 42% |
| 2008 E350 | 65 | 38% |
| 2007 E350 | 177 | 51% |
| 2006 E350 | 144 | 36% |
Other reported problem areas on the 2014 Mercedes-Benz E350
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.