2023 Mercedes-Benz C 300: Reliability Data

Source: NHTSA — 36 complaints
36
Total Complaints
6,000mi
Median Mileage
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

2,000 25th Percentile
6,000 Median Mileage
6,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
7
SERVICE BRAKES
5
ELECTRICAL SYSTEM
5
UNKNOWN OR OTHER
4
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
4
FORWARD COLLISION AVOIDANCE: WARNINGS
2
ENGINE
2
TIRES:SIDEWALL
2
FUEL/PROPULSION SYSTEM
1
POWER TRAIN
1

Severity Assessment

3
Crashes
0
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"The contact owns a 2023 Mercedes-Benz C300. The contact stated that while driving at various speeds, the Forward Collision Avoidance system erroneously activated, causing the vehicle to abruptly stop in the middle of the road. The failure occurred on three separate occasions and each time no other v..."
"The contact owns a 2023 Mercedes C300. The contact stated that while traveling over a pedestrian crosswalk, the emergency braking mode was engaged. The accelerator pedal was applied but the vehicle failed to accelerate. The vehicle went into restricted mode. A Hyundai Elantra crashed into the rea..."
"First week, the car would take off fast as soon as the brakes were released. Then first time I used the heat there was a crackling sound coming form the side of the center display and it got extremely hot, I was on the FWY driving in the rain. Brakes: Intermittently, when braking, the car speeds..."

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