2015 Mercedes-Benz GLK350 Other or unknown Problems
- Complaints
- 3about this part
- Share
- 3%of 114 total for the year
- Median mileage
- 7,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the other or unknown of the 2015 Mercedes-Benz GLK350, 3% of the 114 complaints for this model year. Where a mileage was given, the median is 7,000 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.
“My wife was driving on the interstate at ~65mph in her new 2015 GLK350 w/ panoramic & 4matic & ~7000 miles. It was 7:00pm in very light traffic. No one was near her at the time of incident. She heard a very loud starling bang. At first she thought a tire had blown. She then heard faint crackling noise above her head. The sun shade was closed so no glass dropped into the cabin area. Within minutes she noticed that the sunroof had shattered. Noteworthy point, the sunroof glass was broken convex. So, it was slightly pouched upward, which we thought was unusual. …”
NHTSA complaint #10763088, filed 2015-09, 7,000 miles“My 2015GLK 350 shifts into an Automatic P (Parking) while driving under 6 miles per hour. When shutting the car off and immediately starting, the transmission automatically performs another Automatic P (and puts the car into Park) when driving under 6 miles an hour. This puts myself and other drivers at risk. The failure first appeared 60 days after purchase of this vehicle (first happened in August 2021). I took the car in to the independent repair shop in Long Island, NY in Nov 2021. …”
NHTSA complaint #11483489, filed 2022-09Other or unknown: other model years
Other parts of the 2015 Mercedes-Benz GLK350
84 complaintsElectrical system
7 complaintsFuel system
6 complaintsSteering
5 complaintsTransmission and drivetrain
5 complaintsVehicle speed control
5 complaintsElectronic stability control
4 complaintsBrakes
3 complaintsEngine
3 complaintsLane departure
2 complaintsBody and structure
2 complaintsWheels
2 complaints
← All problems reported for the 2015 Mercedes-Benz GLK350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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