2009 Mercedes Benz C350: Reliability Data

Source: NHTSA — 96 complaints
96
Total Complaints
55,235mi
Median Mileage
AIR BAGS
Top Issue
1
Crash Reports

When Do Complaints Happen?

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

34,000 25th Percentile
55,235 Median Mileage
81,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
25
STEERING
20
ELECTRICAL SYSTEM
15
EXTERIOR LIGHTING
12
ENGINE
5
SEATS
3
SERVICE BRAKES
3
POWER TRAIN
2
FUEL/PROPULSION SYSTEM
2
UNKNOWN OR OTHER
2

Severity Assessment

1
Crashes
0
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"PASSENGER SIDE REAR BRAKE LIGHT, DIRECTIONAL SIGNAL, SIDE MARKER, AND REAR LIGHT NOT OPERATIONAL. IT STARTED WITH THE DIRECTIONAL SIGNAL WORKING ON AND OFF, IT WOULD WORK FOR A WEEK OR TWO AND THEN ONCE IN A WHILE IT WOULD MALFUNCTION. NOW NONE OF THE LIGHTS ARE OPERATIONAL. UPON INSPECTING THE INSI..."
"A DASHBOARD WARNING INDICATOR CAME ON, INDICATING MY RIGHT REAR TAIL LIGHT WAS NOT FUNCTIONING. I OPENED UP THE TRUNK, AND LOCATED THE HARNESS THAT HOLDS THE REAR TAIL LIGHT BULBS. THERE WAS A BURN MARK IN THE HARNESS THAT HOLDS THE LIGHT BULBS. I TOOK THE CAR TO MY DEALERSHIP, AND THEY TOLD..."
"A DASHBOARD WARNING INDICATOR CAME ON, INDICATING MY RIGHT REAR TAIL LIGHT WAS NOT FUNCTIONING. I OPENED UP THE TRUNK, AND LOCATED THE HARNESS THAT HOLDS THE REAR TAIL LIGHT BULBS. THERE WAS A BURN MARK IN THE HARNESS THAT HOLDS THE LIGHT BULBS. I TOOK THE CAR TO MY DEALERSHIP, AND THEY TOLD..."

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