2014 Mercedes-Benz Glk350: Reliability Data

Source: NHTSA — 115 complaints
115
Total Complaints
37,000mi
Median Mileage
AIR BAGS
Top Issue
6
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

12,250 25th Percentile
37,000 Median Mileage
61,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
62
UNKNOWN OR OTHER
4
ELECTRICAL SYSTEM
4
FUEL/PROPULSION SYSTEM
4
SERVICE BRAKES
4
STEERING
4
ENGINE
3
POWER TRAIN
3
FUEL SYSTEM, GASOLINE
3
SEATS
2

Severity Assessment

6
Crashes
1
Fires
8
Injuries
3
Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2014 MERCEDES BENZ GLK350. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 35 MPH THE FRONT PASSENGERS AIR BAG LIGHT ILLUMINATED INTERMITTENTLY. THE FAILURE ALSO OCCURRED WHENEVER THERE WAS NO PASSENGER IN THE FRONT SEAT. THE CONTACT WAS CONCERNED THAT THE AIR BAG COULD DEPLOY ..."
"TL* THE CONTACT OWNS A 2014 MERCEDES BENZ GLK250(NA). THE CONTACT STATED THAT SHE FORGOT TO CLOSE THE HATCH BACK DOOR AND WHILE DRIVING FORWARD OUT OF THE GARAGE, IT CRASHED INTO THE GARAGE DOOR SHATTERING THE GLASS. THE CONTACT MENTIONED THAT SHE BELIEVES IT WAS A SAFETY ISSUE SINCE THE VEHICLE DI..."
"TL* THE CONTACT OWNS A 2014 MERCEDES BENZ GLK350. THE CONTACT STATED THAT WHILE PARKING, THE VEHICLE SUDDENLY ACCELERATED WITHOUT ANY WARNING AND CRASHED INTO ANOTHER VEHICLE. THE CONTACT MENTIONED THAT SHE ENGAGED THE BRAKES BUT IT FAILED TO STOP THE VEHICLE. A POLICE REPORT WAS NOT FILED AND NO IN..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28