2015 Mercedes-Benz ML350 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 2%of 52 total for the year
- Median mileage
- 70,273miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2015 Mercedes-Benz ML350, 2% of the 52 complaints for this model year. Where a mileage was given, the median is 70,273 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2015 Mercedes-Benz ML350. The contact stated while driving at an undisclosed speed, the engine seized without warning. The vehicle was towed to the local dealer where it was diagnosed there was a possible mechanical break down due to engine sludge, ignition varnish rust, corrosion, dust, cracked rubber, dry rot, road chemicals, alterations or improper oil, coolant, fuel, or lubricants. The vehicle was not repaired. The manufacturer was not contacted. The approximate failure mileage was 70,273. …”
NHTSA complaint #11487180, filed 2022-09, 70,273 milesRelated service bulletins
- 10206077Dec 8, 2021"MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 â Boost Pressure is Too High"" "
- 10184797Nov 12, 2020Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air…
- 10184799Nov 11, 2020Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air…
- 10181195Sep 14, 2020Mercedes-Benz USA, LLC (?MBUSA?) has entered into an agreement with the United States Department of Justice (DOJ), the Environmental Protection Agency (EPA), the California Air…
- 10157052Aug 8, 2017Minor oil filler neck leak
- 10058563Jul 6, 2015Xentry (mercedes): stored in engine control unit (ecu) is fault to exhaust back pressure sensor causing engine to be in limp home mode and diagnosis warning lamp activated. Model…
- 10167513Mar 4, 2014The engine diagnosis warning lamp - check engine lamp (CEL) is active. One or more of the faults relating to the throttle valve actuator (M16/6) listed under 'Control unit /…
- 10167041Feb 11, 2014Oil spray or fouling on the ACTIVE CURVE SYSTEM is not related to leakage of the hydraulic pump.
- 10166978Feb 6, 2014Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700
- 10167539Jul 16, 2013Engine rattling noise after engine start for several seconds
Engine cooling: other model years
Other parts of the 2015 Mercedes-Benz ML350
11 complaintsOther or unknown
9 complaintsFuel system
8 complaintsTransmission and drivetrain
7 complaintsBrakes
6 complaintsElectrical system
4 complaintsSteering
4 complaintsBody and structure
4 complaintsSuspension
4 complaintsAir bags
3 complaintsVehicle speed control
3 complaintsSeat belts
2 complaints
← All problems reported for the 2015 Mercedes-Benz ML350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology