FaultScore

Mercedes Benz CLS550 problems

Owners have filed 54 complaints about the Mercedes Benz CLS550 with NHTSA across model years 2010 to 2017. More of them are about the fuel & propulsion than anything else.

Every Mercedes Benz CLS550 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
2017 1 0 0 Wheels
2015 1 0 0 Steering
2014 11 1 0 76,434 Suspension
2013 5 0 0 Transmission & Drivetrain
2012 31 3 0 49,280 Fuel & Propulsion
2011 4 0 0 Transmission & Drivetrain
2010 1 0 0 Other & Unspecified

What breaks on a Mercedes Benz CLS550

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

Fuel & Propulsion 11 20.4%

Worst in 2012

Transmission & Drivetrain 6 11.1%

Worst in 2012

Electrical System 5 9.3%

Worst in 2012

Brakes 5 9.3%

Worst in 2012

Other & Unspecified 5 9.3%

Worst in 2012

Engine & Cooling 4 7.4%

Worst in 2012

Steering 4 7.4%

Worst in 2012

Suspension 4 7.4%

Worst in 2012

Windows, Mirrors & Wipers 3 5.6%

Worst in 2012

Wheels 2 3.7%

Worst in 2012

Airbags 1 1.9%

Worst in 2014

Body & Structure 1 1.9%

Worst in 2014

Acceleration & Cruise Control 1 1.9%

Worst in 2014

Seat Belts 1 1.9%

Worst in 2013

Complaints filed over time

Every complaint about every Mercedes Benz CLS550, by the month it reached NHTSA.

Mar 2012 peak 4 Jan 2026

Compare the Mercedes Benz CLS550

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