2015 Mercedes-Benz ML350 engine problems
11 owner complaints filed with NHTSA name the engine on the 2015 Mercedes-Benz ML350 — 21% of all complaints for this model year.
What owners report
“Cam Shaft replacement diagnosed after week and half visit to Mercedes Benz dealership for engine rattling at cold start up. We are left with a $10,000 repair after performing all scheduled maintenance at the Mercedes Benz dealership since owning in 2015.”
filed Jul 28, 2025
“precense of some liquik oil from up motor litle meiby ist because change oil because i buy recently , i need observed ,ore time today i clean this area.”
filed Jan 13, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other ML350 years
| Year | Reports | Share |
|---|---|---|
| 2014 ML350 | 16 | 24% |
| 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 2015 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.