FaultScore

Worst years for a Mercedes Benz GLK350

Owners have filed 1,046 complaints about the Mercedes Benz GLK350 with NHTSA across model years 2006 to 2015. More of them are about the airbags than anything else.

Avoid

2015 Mercedes Benz GLK350

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

Cleanest on record

2011 Mercedes Benz GLK350

151 complaints — the lowest FaultScore of the graded years.

Every Mercedes Benz GLK350 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
2015 D 135 10 6 28,000 Airbags
2014 C 120 6 1 42,950 Airbags
2013 C 160 5 2 43,000 Airbags
2012 C 188 10 0 41,000 Airbags
2011 C 151 8 5 64,773 Airbags
2010 D 280 19 5 66,500 Airbags
2008 3 0 0 Tires
2007 5 0 1 Transmission & Drivetrain
2006 4 0 0 Engine & Cooling

What breaks on a Mercedes Benz GLK350

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

Airbags 624 59.7%

Worst in 2010

Worst in 2010

Brakes 37 3.5%

Worst in 2010

Worst in 2010

Steering 34 3.3%

Worst in 2010

Worst in 2010

Worst in 2010

Suspension 25 2.4%

Worst in 2010

Engine & Cooling 23 2.2%

Worst in 2010

Transmission & Drivetrain 22 2.1%

Worst in 2015

Acceleration & Cruise Control 22 2.1%

Worst in 2010

Windows, Mirrors & Wipers 14 1.3%

Worst in 2014

Seats 12 1.1%

Worst in 2013

Wheels 10 1.0%

Worst in 2014

Complaints filed over time

Every complaint about every Mercedes Benz GLK350, by the month it reached NHTSA.

Oct 2009 peak 66 Aug 2026

Mercedes Benz GLK350 problems by state

Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.

Compare the Mercedes Benz GLK350

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