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Mercedes Benz SLK320 problems

Owners have filed 64 complaints about the Mercedes Benz SLK320 with NHTSA across model years 2001 to 2004. More of them are about the brakes than anything else.

Every Mercedes Benz SLK320 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
2004 — 1 0 0 — Transmission & Drivetrain
2003 — 2 0 0 — Lights
2002 — 14 0 0 68,000 Brakes
2001 — 47 3 1 79,861 Brakes

What breaks on a Mercedes Benz SLK320

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

Brakes 19 29.7%

Worst in 2001

Lights 12 18.8%

Worst in 2001

Stability & Traction Control 12 18.8%

Worst in 2001

Electrical System 7 10.9%

Worst in 2001

Windows, Mirrors & Wipers 3 4.7%

Worst in 2002

Transmission & Drivetrain 2 3.1%

Worst in 2001

Steering 2 3.1%

Worst in 2001

Acceleration & Cruise Control 2 3.1%

Worst in 2001

Other & Unspecified 2 3.1%

Worst in 2001

Engine & Cooling 1 1.6%

Worst in 2002

Wheels 1 1.6%

Worst in 2001

Seats 1 1.6%

Worst in 2001

Complaints filed over time

Every complaint about every Mercedes Benz SLK320, by the month it reached NHTSA.

Nov 2010 peak 5 Dec 2025

Compare the Mercedes Benz SLK320

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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