2015 Mercedes-Benz ML350 Engine Problems
- Complaints
- 11about this part
- Share
- 21%of 52 total for the year
- Median mileage
- 15,750miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the engine of the 2015 Mercedes-Benz ML350, 21% of the 52 complaints for this model year. Where a mileage was given, the median is 15,750 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.
“Going to work in the morning and pulling out of the garage my foot was on the brake not the accelerator in reverse suddenly the car surged by itself while I had my foot on the brake. The car went in reverse very fast hitting our side concrete side wall. (the distance is about (28ft) the impact was so hard that the passenger window was completely broken and the passenger side of the back frame of the mercedes was smashed. It happened so fast that I lost control of the vehicle I could not stop the car the brakes did not work. …”
NHTSA complaint #10934530, filed 2016-12, 19,000 miles“Vehicle purchased new 16k miles on it now all work done at dealer, shuts off randomly with no warning at stop idle or highway driving. Extremely dangerous I have taken it to the dealer 4 times for the same issue. The dealer has updated software they said should resolve problem. This intermittent problem has occurred again and no codes found by the dealer. Mercedes benz USA attempting to find resolution but won't send out an engineer since dealer can't replicate the problem. Very dangerous situation for me and my family and others on the road........”
NHTSA complaint #11018897, filed 2017-08, 15,750 miles“When the vehicle's parking mechanism is engaged, the vehicle rolls several feet before coming to a complete stop; thereby endangering anyone in, near, or around the vehicle at that time from getting run over or, seriously injured by the moving vehicle.”
NHTSA complaint #10837160, filed 2016-02, 100 miles“There is a recall for this significant safety risk. I contacted my local Mercedes Benz about recall remedy on 6 January 2023 and they confirmed the recall and said MB would issue steps to get this taken care of in the beginning of February. It is now 18 February 2023 and this has not happened and I have received no communication from MB and yet the safety risk still exists and could be life threatening.”
NHTSA complaint #11507997, filed 2023-02“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.”
NHTSA complaint #11565307, filed 2024-01Related 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…
- 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…
- 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…
- 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…
- 10135598Mar 25, 2015Engine diagnosis warning lamp lights up in instrument cluster, fault code U145400: "Implausible data were received from the ethanol sensor"
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 11 | 21% |
| 2014 | 16 | 24% |
| 2013 | 13 | 23% |
| 2012 | 21 | 32% |
| 2011 | 7 | 6% |
| 2010 | 5 | 5% |
| 2008 | 3 | 4% |
| 2007 | 5 | 6% |
| 2006 | 36 | 21% |
| 2005 | 1 | 4% |
| 2004 | 2 | 6% |
| 2003 | 2 | 8% |
Other parts of the 2015 Mercedes-Benz ML350
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 complaintsVisibility (wipers, defrost, mirrors)
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