2014 Mercedes-Benz ML350 engine problems
16 owner complaints filed with NHTSA name the engine on the 2014 Mercedes-Benz ML350 — 24% of all complaints for this model year.
What owners report
“I purchased a used Mercedes-Benz from Freehold Mitsubishi in early 2024. Within hours, serious safety issues appeared, including a check engine light, cylinder misfire, EVAP leak, traction control failure, and blind spot assist malfunction. The vehicle’s ECM and wiring harness were later found…”
filed Jun 30, 2025
“I purchased my car used at the Mercedes dealership in Tyler Texas June 2023. I took all my savings and paid cash and was told that the car was impeccable shape and there were no current issues and all the service records were up to date. November 2023 is when everything started happening and my…”
filed Apr 28, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other ML350 years
| Year | Reports | Share |
|---|---|---|
| 2015 ML350 | 11 | 21% |
| 2013 ML350 | 12 | 21% |
| 2012 ML350 | 21 | 32% |
| 2011 ML350 | 7 | 6% |
| 2010 ML350 | 5 | 5% |
| 2008 ML350 | 3 | 4% |
| 2007 ML350 | 5 | 6% |
| 2006 ML350 | 36 | 21% |
| 2005 ML350 | 1 | 4% |
| 2004 ML350 | 2 | 6% |
| 2003 ML350 | 2 | 8% |
Other reported problem areas on the 2014 Mercedes-Benz ML350
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.