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Mercedes Benz CLK500 problems

Owners have filed 44 complaints about the Mercedes Benz CLK500 with NHTSA across model years 2003 to 2006. More of them are about the fuel & propulsion than anything else.

Every Mercedes Benz CLK500 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
2006 — 7 0 0 66,000 Fuel & Propulsion
2005 — 21 0 0 71,500 Fuel & Propulsion
2004 — 15 0 0 78,000 Fuel & Propulsion
2003 — 1 0 0 — Windows, Mirrors & Wipers

What breaks on a Mercedes Benz CLK500

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

Fuel & Propulsion 14 31.8%

Worst in 2004

Electrical System 4 9.1%

Worst in 2005

Airbags 4 9.1%

Worst in 2005

Seat Belts 4 9.1%

Worst in 2004

Transmission & Drivetrain 3 6.8%

Worst in 2005

Steering 3 6.8%

Worst in 2005

Tires 3 6.8%

Worst in 2005

Engine & Cooling 2 4.5%

Worst in 2005

Lights 2 4.5%

Worst in 2005

Brakes 1 2.3%

Worst in 2006

Windows, Mirrors & Wipers 1 2.3%

Worst in 2003

Seats 1 2.3%

Worst in 2005

Stability & Traction Control 1 2.3%

Worst in 2004

Other & Unspecified 1 2.3%

Worst in 2004

Complaints filed over time

Every complaint about every Mercedes Benz CLK500, by the month it reached NHTSA.

Jun 2005 peak 4 Sep 2025

Compare the Mercedes Benz CLK500

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

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