"How reliable is the 2008 Mercedes Benz C300?"

"Based on 942 NHTSA complaints, the 2008 Mercedes Benz C300 has a median complaint mileage of 78921 miles. The most common issue is AIR BAGS."

"What are common problems with the 2008 Mercedes Benz C300?"

"The most frequently reported component in NHTSA complaints for the 2008 Mercedes Benz C300 is AIR BAGS, accounting for a significant portion of the 942 total complaints filed."

2008 Mercedes Benz C300: Reliability Data

Source: NHTSA — 942 complaints

942

Total Complaints

78,921mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

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

56,450 25th Percentile

78,921 Median Mileage

100,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

270

ELECTRICAL SYSTEM

222

STEERING

133

EXTERIOR LIGHTING

102

UNKNOWN OR OTHER

ENGINE

SEAT BELTS

ELECTRONIC STABILITY CONTROL (ESC)

POWER TRAIN

SERVICE BRAKES

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"MY 2008 C300 MOONROOF HAS A DEFECT. THE OPERATION CONTROL PANEL WILL NOT AUTO OPEN OR AUTO CLOSE. MY CAR HAS 338 MILES ON IT AND I HAVE HAD IT FOR 8 DAYS. 4 OF THESE 8 DAYS IT HAS BEEN IN THE SHOP. MERECEDES ENGINEERING IS AWARE OF THE PROBLEM AND THEIR WILL BE A SOFTWARE UP DATE FOR THE CAR IN JUNE..."

"APPROXIMATELY 2 WEEKS AGO I RECEIVED A MESSAGE ON MY DASH BOARD TO CORRECT THE TIRE PRESSURE IN MY NEW 2008 MERCEDES BENZ C300 WITH LESS THAN 4000 MILES. I INSPECTED THE TIRES AND NOTICED A BULGE IN THE SIDEWALL OF THE REAR TIRE ON THE PASSENGER SIDE OF THE CAR. I CALLED THE DEALER AND WAS TOLD THAT..."

"TL*THE CONTACT OWNS A 2008 MERCEDES BENZ C300. WHENEVER THE CONTACT DRIVES THE VEHICLE AT VARIOUS SPEEDS, THE TIRE INFLATION WARNING INDICATOR APPEARS ON THE INSTRUMENT PANEL, EVEN THOUGH THE TIRES HAVE THE CORRECT TIRE PRESSURE. THE VEHICLE WAS TAKEN TO THE DEALER AND THEY STATED THAT THE ILLUMIN..."

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