FaultScore

Worst years for a Mercedes Benz CLK320

Owners have filed 160 complaints about the Mercedes Benz CLK320 with NHTSA across model years 1999 to 2009. More of them are about the electrical system than anything else.

Avoid

2003 Mercedes Benz CLK320

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

Cleanest on record

2005 Mercedes Benz CLK320

14 complaints — the lowest FaultScore of the graded years.

Every Mercedes Benz CLK320 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
2009 1 0 0 Tires
2006 1 0 0 Tires
2005 B 14 0 1 69,896 Electrical System
2004 D 23 3 0 38,000 Seat Belts
2003 D 26 5 3 45,000 Electrical System
2002 C 27 1 1 59,000 Electrical System
2001 C 20 8 0 90,000 Airbags
2000 D 19 7 1 52,500 Electrical System
1999 C 29 1 1 63,989 Engine & Cooling

What breaks on a Mercedes Benz CLK320

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

Worst in 2002

Airbags 20 12.5%

Worst in 2003

Seat Belts 13 8.1%

Worst in 2004

Engine & Cooling 11 6.9%

Worst in 1999

Body & Structure 11 6.9%

Worst in 2003

Tires 10 6.3%

Worst in 2005

Other & Unspecified 9 5.6%

Worst in 1999

Transmission & Drivetrain 8 5.0%

Worst in 1999

Acceleration & Cruise Control 8 5.0%

Worst in 2000

Windows, Mirrors & Wipers 7 4.4%

Worst in 1999

Seats 7 4.4%

Worst in 2003

Fuel & Propulsion 6 3.8%

Worst in 1999

Brakes 4 2.5%

Worst in 2002

Steering 3 1.9%

Worst in 1999

Complaints filed over time

Every complaint about every Mercedes Benz CLK320, by the month it reached NHTSA.

Apr 1999 peak 9 Jan 2026

Compare the Mercedes Benz CLK320

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