FaultScore

Worst years for a Mercedes Benz C320

Owners have filed 303 complaints about the Mercedes Benz C320 with NHTSA across model years 2001 to 2007. More of them are about the electrical system than anything else.

Avoid

2001 Mercedes Benz C320

117 complaints — the highest FaultScore of any year, mostly electrical system.

Cleanest on record

2004 Mercedes Benz C320

23 complaints — the lowest FaultScore of the graded years.

Every Mercedes Benz C320 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2007 2 0 0 Transmission & Drivetrain
2006 2 0 0 Airbags
2005 B 19 0 2 110,000 Engine & Cooling
2004 B 23 1 0 60,000 Fuel & Propulsion
2003 C 38 4 1 52,189 Electrical System
2002 D 102 4 3 74,750 Electrical System
2001 D 117 8 3 70,000 Electrical System

What breaks on a Mercedes Benz C320

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Worst in 2002

Seats 46 15.2%

Worst in 2002

Worst in 2001

Airbags 18 5.9%

Worst in 2001

Lights 17 5.6%

Worst in 2001

Fuel & Propulsion 16 5.3%

Worst in 2001

Windows, Mirrors & Wipers 14 4.6%

Worst in 2001

Transmission & Drivetrain 13 4.3%

Worst in 2002

Brakes 13 4.3%

Worst in 2001

Equipment & Accessories 10 3.3%

Worst in 2001

Steering 9 3.0%

Worst in 2001

Stability & Traction Control 9 3.0%

Worst in 2002

Other & Unspecified 9 3.0%

Worst in 2002

Acceleration & Cruise Control 8 2.6%

Worst in 2001

Complaints filed over time

Every complaint about every Mercedes Benz C320, by the month it reached NHTSA.

Jul 2001 peak 9 Jan 2026

Compare the Mercedes Benz C320

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.