2015 Mercedes-Benz GLK350 Vehicle speed control Problems
- Complaints
- 5about this part
- Share
- 4%of 114 total for the year
- Median mileage
- 8,629miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the vehicle speed control of the 2015 Mercedes-Benz GLK350, 4% of the 114 complaints for this model year. Where a mileage was given, the median is 8,629 miles. 2 of these say a crash was involved and 2 a fire, according to the filers.
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 25 MPH around a curve when my car lost control, despite my best attempts my car would not allow me to take control or to break. My car went from 25 MPH to 60 MPH through a two lane traffic street, forcing me to swerve in and out of traffic merely missing six cars and a semi trailer truck, spinning my car around twice and facing the opposite direction of traffic.”
NHTSA complaint #11376095, filed 2020-11, 79,614 miles“My mb glk 35 crashed at a high speed around 80 MPH,it burnt to ground . I would have been burnt alive without people using a big rock to break the window and pulling me out . Due to the steering and engine malfunction , my car crashed and I couldn't open the door nor windows . This is horrible experience , mercedes benz needs to investigate this accident and I don't want more victims like this .”
NHTSA complaint #11002664, filed 2017-07, 90 miles“On june 16,2017, while I was driving on freeway, I tried to slowed down but it turned out to accelerate suddenly at around 85mph, the steering system was messed up and I lost control of my car , the more I try to brake the faster the car crashed , so it crashed to the right side and rolled over down to the ditch , I called 911 and unfortunately there was no signal, I could not open the door nor window. …”
NHTSA complaint #11002718, filed 2017-07, 90 miles“While exiting the hwy the car slow down on its own from about 60 to around 45 without breaking. Inoperative see owner's manual appeared on the dashboard and the car started loosing power. When I tried to accelerate it did would not speed up pass 50. After coming to a traffic light I tried to accelerate and it was very slow even when the pedal was all the way down to the floor. Luckily there was no one on the road at the time. I pump the pedal several times trying to speed up and it would not go pass 55-60 despite pressing the gas to the floor. …”
NHTSA complaint #10716591, filed 2015-05, 17,168 miles“My car shifts from Drive into Park when I'm moving less than 5 miles an hour, so I've been trapped (momentarily) taking turns, in intersections, in traffic.”
NHTSA complaint #11418199, filed 2021-05Related service bulletins
- 10205215Jul 30, 2013Window lifter and outside mirror on passenger side malfunction after replacement of door control unit.
Vehicle speed control: other model years
Other parts of the 2015 Mercedes-Benz GLK350
84 complaintsElectrical system
7 complaintsFuel system
6 complaintsSteering
5 complaintsTransmission and drivetrain
5 complaintsElectronic stability control
4 complaintsBrakes
3 complaintsEngine
3 complaintsOther or unknown
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