FaultScore

Mercedes Benz S550 problems

Owners have filed 108 complaints about the Mercedes Benz S550 with NHTSA across model years 2007 to 2008. More of them are about the transmission & drivetrain than anything else.

Every Mercedes Benz S550 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
2008 25 2 0 70,000 Electrical System
2007 83 0 2 71,500 Transmission & Drivetrain

What breaks on a Mercedes Benz S550

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

Transmission & Drivetrain 15 13.9%

Worst in 2007

Electrical System 15 13.9%

Worst in 2007

Engine & Cooling 14 13.0%

Worst in 2007

Suspension 14 13.0%

Worst in 2007

Acceleration & Cruise Control 10 9.3%

Worst in 2007

Fuel & Propulsion 8 7.4%

Worst in 2007

Other & Unspecified 7 6.5%

Worst in 2007

Airbags 4 3.7%

Worst in 2007

Tires 4 3.7%

Worst in 2008

Steering 3 2.8%

Worst in 2007

Brakes 3 2.8%

Worst in 2007

Body & Structure 3 2.8%

Worst in 2007

Equipment & Accessories 3 2.8%

Worst in 2008

Lights 1 0.9%

Worst in 2007

Complaints filed over time

Every complaint about every Mercedes Benz S550, by the month it reached NHTSA.

Dec 2007 peak 6 May 2025

Compare the Mercedes Benz S550

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