2012 Mercedes-Benz E350 engine problems
20 owner complaints filed with NHTSA name the engine on the 2012 Mercedes-Benz E350 — 9% of all complaints for this model year.
What owners report
“Recall exists related to a potential issue with the high-pressure fuel pump, which could lead to engine stalling and increase crash risk. My 2012 Mercedes E350 stops the engine in the middle of the road couple of times and for some reason, its stops or shut off the engine completely. The last time…”
filed Mar 12, 2025
“[XXX].The engine intake manifold on our 2012 Mercedes E350 (64,000 miles) EXPLODED with enough force to bend the hood up 2 inches. It was a damp cold morning & the engine had not been started in 12 hours. The car was not locked & the key fob was nowhere close. The fuel level was under 3/4 full…”
filed Feb 10, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other E350 years
| Year | Reports | Share |
|---|---|---|
| 2016 E350 | 5 | 10% |
| 2015 E350 | 2 | 6% |
| 2014 E350 | 20 | 7% |
| 2013 E350 | 15 | 9% |
| 2011 E350 | 13 | 6% |
| 2010 E350 | 15 | 8% |
| 2009 E350 | 5 | 8% |
| 2008 E350 | 13 | 8% |
| 2007 E350 | 28 | 8% |
| 2006 E350 | 50 | 13% |
Other reported problem areas on the 2012 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.