FaultScore

Mercedes Benz SL550 problems

Owners have filed 46 complaints about the Mercedes Benz SL550 with NHTSA across model years 2003 to 2009. More of them are about the brakes than anything else.

Every Mercedes Benz SL550 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 20 0 1 7,500 Brakes
2008 5 0 0 Brakes
2007 20 0 4 38,350 Brakes
2003 1 0 0 Brakes

What breaks on a Mercedes Benz SL550

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

Brakes 17 37.0%

Worst in 2007

Electrical System 6 13.0%

Worst in 2007

Tires 5 10.9%

Worst in 2009

Wheels 4 8.7%

Worst in 2009

Body & Structure 3 6.5%

Worst in 2009

Engine & Cooling 2 4.3%

Worst in 2007

Transmission & Drivetrain 2 4.3%

Worst in 2007

Steering 2 4.3%

Worst in 2007

Suspension 2 4.3%

Worst in 2007

Airbags 1 2.2%

Worst in 2007

Windows, Mirrors & Wipers 1 2.2%

Worst in 2007

Seats 1 2.2%

Worst in 2008

Complaints filed over time

Every complaint about every Mercedes Benz SL550, by the month it reached NHTSA.

Sep 2007 peak 6 Nov 2025

Compare the Mercedes Benz SL550

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