Worst years for a Mercedes Benz GLS 450
Owners have filed 107 complaints about the Mercedes Benz GLS 450 with NHTSA across model years 2018 to 2020. More of them are about the electrical system than anything else.
Avoid
2020 Mercedes Benz GLS 45064 complaints — the highest FaultScore of any year, mostly electrical system.
Cleanest on record
2019 Mercedes Benz GLS 45023 complaints — the lowest FaultScore of the graded years.
Every Mercedes Benz GLS 450 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.
What breaks on a Mercedes Benz GLS 450
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Worst in 2020
Worst in 2020
Worst in 2020
Worst in 2019
Worst in 2020
Worst in 2020
Worst in 2018
Worst in 2018
Worst in 2018
Worst in 2020
Worst in 2018
Worst in 2020
Worst in 2018
Worst in 2020
Complaints filed over time
Every complaint about every Mercedes Benz GLS 450, by the month it reached NHTSA.
Compare the Mercedes Benz GLS 450
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.