2015 Mercedes-Benz ML250 Engine Problems
- Complaints
- 4about this part
- Share
- 40%of 10 total for the year
- Median mileage
- 30,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2015 Mercedes-Benz ML250, 40% of the 10 complaints for this model year. Where a mileage was given, the median is 30,000 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.
“Driving vehicle all day no problems .it just turned 20,000 miles. Was driving on road when vehicle started surging, like out of fuel, went down road a little further and it happened again .this time I smelled strong diesel fuel fumes. Smoke starting coming out from under hood. . I pulled off road and shut car off. I opened hood lots of smoke and engine compartment completely soaked with diesel fuel ! Had to call roadside assistance. Got towed in to mercedes benz of north haven ct. Service dept today says looks like a rodent chewed something in your engine compartment. …”
NHTSA complaint #10970118, filed 2017-04, 20,000 miles“At about 50,000 miles, noticed engine leaking oil ehilr car was stationary. Diagnosed at dealership as oil seal and repaired. Only to leak again 2 months later. Replaced again at dealership. Was told its not normal but it can happen.”
NHTSA complaint #11222744, filed 2019-06, 50,000 miles“The Adblue blue malfunctioned and the engine oil cooling is leaking. Also the axle is leaking. This was a previous recall on this specific vehicle and it continues to be an issue”
NHTSA complaint #11482258, filed 2022-08Related service bulletins
- 11017039Apr 1, 2025Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant…
- 11008064Aug 9, 2024In our continuing efforts to ensure the proper performance and quality of your vehicle, we are writing to inform you that on certain Model Year 2011-2018 C-Class, E-Class…
- 11031622Oct 2, 2023This NCU replaces the prior NCU issued on August 19, 2022, and removes specific fault codes list. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has…
- 11031736Sep 6, 2023In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA ("MBUSA") is extending…
- 11031655Sep 1, 2022The purpose of this letter is to advise you of additional benefits that Mercedes-Benz USA, LLC ("MBUSA") is providing to you regarding your vehicle ownership. What's Included In…
- 11031648Oct 5, 2021Mercedes-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received the Approved Emission Modification. The Extended Modification Warranty…
- 11031656Nov 6, 2020Dear Mercedes-Benz Owner: The purpose of this letter is to advise you of additional benefits that Mercedes-Benz USA, LLC (“MBUSA”) is providing to you regarding your vehicle…
- 11031625Nov 6, 2020Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2012-2016 Mercedes-Benz Model 212, 221, X204 and 166…
- 10153997Dec 7, 2018Update engine control unit software
- 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…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 4 | 40% |
Other parts of the 2015 Mercedes-Benz ML250
2 complaintsAir bags
1 complaintsElectrical system
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsSteering
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2015 Mercedes-Benz ML250
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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