2015 Mercedes-Benz Glk350: Reliability Data

Source: NHTSA — 133 complaints
133
Total Complaints
28,000mi
Median Mileage
AIR BAGS
Top Issue
10
Crash Reports

When Do Complaints Happen?

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

2,700 25th Percentile
28,000 Median Mileage
60,900 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
84
ELECTRICAL SYSTEM
7
VEHICLE SPEED CONTROL
5
FUEL/PROPULSION SYSTEM
5
POWER TRAIN
4
ELECTRONIC STABILITY CONTROL (ESC)
4
STEERING
4
ENGINE
3
SERVICE BRAKES
3
UNKNOWN OR OTHER
3

Severity Assessment

10
Crashes
6
Fires
8
Injuries
3
Deaths

Sample Complaint Reports

"MESSAGE DASHBOARD INDICATOR (MDI) READ "INOPERATIVE. SEE OPERATOR'S MANUAL" WITH OTHER MALFUNCTION LIGHTS INCLUDING CHECK ENGINE LIGHT (CEL). TURNED CAR OFF AN ON AND ONLY THE CEL REMAINED. ALSO, THERE WAS A RECURRING TICKING NOISE THAT PRECEDED AFOREMENTIONED ISSUES THAT I ALSO REPORTED. DEALERSHIP..."
"MESSAGE DASHBOARD INDICATOR (MDI) READ "INOPERATIVE. SEE OPERATOR'S MANUAL" WITH OTHER MALFUNCTION LIGHTS INCLUDING CHECK ENGINE LIGHT (CEL). TURNED CAR OFF AN ON AND ONLY THE CEL REMAINED. ALSO, THERE WAS A RECURRING TICKING NOISE THAT PRECEDED AFOREMENTIONED ISSUES THAT I ALSO REPORTED. DEALERSHIP..."
"MESSAGE DASHBOARD INDICATOR (MDI) READ "INOPERATIVE. SEE OPERATOR'S MANUAL" WITH OTHER MALFUNCTION LIGHTS INCLUDING CHECK ENGINE LIGHT (CEL). TURNED CAR OFF AN ON AND ONLY THE CEL REMAINED. ALSO, THERE WAS A RECURRING TICKING NOISE THAT PRECEDED AFOREMENTIONED ISSUES THAT I ALSO REPORTED. DEALERSHIP..."

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