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EnginePart report

2015 Mercedes-Benz GLA 250 Engine Problems

Complaints
27about this part
Share
29%of 94 total for the year
Median mileage
50,000miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 27 complaints about the engine of the 2015 Mercedes-Benz GLA 250, 29% of the 94 complaints for this model year. Where a mileage was given, the median is 50,000 miles.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I have mercedes benz GLA 250 year 2015 and the engine light is already appearing in my dash board . I have only driven this car from home to work which is 10-20 miles away. Other issue I have is that when the weather is 30-40 degrees and will have my heater in max I smelt a terrible gas odor coming from my air vents”

NHTSA complaint #11203129, filed 2019-04, 50,000 miles

“Check engine appeared on our dash board at 56,000 mileage and diagnosed with a problem of the auxillary electrical oil pump. This is the second time we have check engine after we are off warranty. I can also smell gas inside the cabin when I turned on the engine”

NHTSA complaint #11258021, filed 2019-09, 56,000 miles

“While driving and without warning, the car shifted itself into neutral and displayed the following error message: transmission malfunction stop. I coasted to the side of the road and upon stopping, the following error message was displayed: service required do not shift gears visit dealer. I turned the car off, restarted it, and it drove without incident. This has happened 5 different times: once on a suburban road, once in a parking garage, and three times on a city street.”

NHTSA complaint #11128815, filed 2018-09, 20,000 miles

“I have problems with my car when it's in park position and when it's at a red light or stopped. The car will accelerate slowly when it's at a red light or when turned on in park position. I took my car to mb in dallas (10/18) before warranty expired to check on the engine and the camshaft recall. After picking up my car, the same day, my car had the same problem and now it has the check engine light on. I have been taking my car to the dealer on and off for the last months to get this fixed. It's only 45k miles and I've never had this problem with other mercedes cars I've had. …”

NHTSA complaint #11182527, filed 2019-02, 40,000 miles

“Transmission violently engage in reverse: so far I have only experienced this (twice) during cold-starts. Started the engine, shift car in to reverse gear, disengage parking break. In normal situation, the car would reverse slowly without applying throttle. In the two times I experinced the problem, the car would still be idle, even after gently applying throttle. After about 5 seconds or so, the car would violently jerk and the transmission finally engaged in reverse. The local mb service center was not able to diagnose the issue. …”

NHTSA complaint #10860609, filed 2016-04, 7,400 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2023338%
2021528%
2020218%
2019310%
20181020%
20171032%
20161529%
20152729%

Other parts of the 2015 Mercedes-Benz GLA 250

Other or unknown
16 complaintsTransmission and drivetrain
14 complaintsAir bags
12 complaintsFuel system
12 complaintsBody and structure
12 complaintsElectrical system
11 complaintsVisibility (wipers, defrost, mirrors)
8 complaintsBrakes
5 complaintsForward collision avoidance
4 complaintsElectronic stability control
3 complaintsSteering
3 complaintsSuspension
3 complaints

← All problems reported for the 2015 Mercedes-Benz GLA 250

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