FaultScore

Worst years for a Mercedes Benz GL450

Owners have filed 281 complaints about the Mercedes Benz GL450 with NHTSA across model years 2010 to 2017. More of them are about the airbags than anything else.

Avoid

2011 Mercedes Benz GL450

64 complaints — the highest FaultScore of any year, mostly airbags.

Cleanest on record

2014 Mercedes Benz GL450

27 complaints — the lowest FaultScore of the graded years.

Every Mercedes Benz GL450 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 1 Engine & Cooling
2016 C 15 3 1 24,000 Other & Unspecified
2015 D 24 1 3 25,000 Engine & Cooling
2014 B 27 0 0 57,000 Engine & Cooling
2013 C 51 1 1 36,000 Engine & Cooling
2012 C 51 3 0 53,000 Airbags
2011 D 64 5 3 73,000 Airbags
2010 C 48 1 1 77,000 Airbags

What breaks on a Mercedes Benz GL450

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

Airbags 78 27.8%

Worst in 2011

Brakes 31 11.0%

Worst in 2010

Suspension 31 11.0%

Worst in 2011

Worst in 2013

Electrical System 24 8.5%

Worst in 2013

Other & Unspecified 20 7.1%

Worst in 2016

Transmission & Drivetrain 15 5.3%

Worst in 2012

Seats 13 4.6%

Worst in 2013

Windows, Mirrors & Wipers 7 2.5%

Worst in 2014

Steering 5 1.8%

Worst in 2010

Fuel & Propulsion 5 1.8%

Worst in 2011

Stability & Traction Control 5 1.8%

Worst in 2012

Lights 4 1.4%

Worst in 2010

Wheels 4 1.4%

Worst in 2013

Complaints filed over time

Every complaint about every Mercedes Benz GL450, by the month it reached NHTSA.

Feb 2011 peak 15 May 2026

Compare the Mercedes Benz GL450

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