2023 Mercedes-Benz Glc 300: Reliability Data

Source: NHTSA — 98 complaints
98
Total Complaints
4,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
4
Crash Reports

When Do Complaints Happen?

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

400 25th Percentile
4,000 Median Mileage
10,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
30
ENGINE
15
EXTERIOR LIGHTING
10
UNKNOWN OR OTHER
7
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
6
FUEL/PROPULSION SYSTEM
5
SERVICE BRAKES
5
LANE DEPARTURE: BLIND SPOT DETECTION
4
POWER TRAIN
3
LANE DEPARTURE: ASSIST
2

Severity Assessment

4
Crashes
0
Fires
4
Injuries
3
Deaths

Sample Complaint Reports

"When starting the vehicle, all the lights and alarms have come on and vehicle is not drivable. This has happened 4 times. 3/4 times the vehicle has started after an hour or two. One time I have had to have it towed in. I bought this car on April 27th. First time this happened was 5/29. I have been w..."
"Sunday, June 25, when I was driving the car on the road, the engine shut off and the car stopped running. 3 warning lights show on screen: engine light; 48v Battery Service Required; 12v Battery service required. I used the break to park the car on the roadside after that. I tried many times to res..."
"Sunday, June 25, when I was driving the car on the road, the engine shut off and the car stopped running. 3 warning lights show on screen: engine light; 48v Battery Service Required; 12v Battery service required. I used the break to park the car on the roadside after that. I tried many times to res..."

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