Mercedes-Benz GLS 450 Years to Avoid (2026): Worst and Best Years

Mercedes-Benz GLS 450 years to avoid

No model year of the Mercedes-Benz GLS 450 stands out with more than twice its typical number of complaints.

Fewest owner complaints among the last 20 model years, counting only those with at least four years on the road.

Owner complaints by model year. Newer years have had less time on the road, so expect them to grow.

Year to avoidFewest complaintsOther years

All model years combined.

Tap a year to see its problems, recalls and what owners say.

Year	Score	Complaints	Top problem	Typical mileage	Recalls	Crashes
2021	69	31	Electrical		12	1	Fewest complaints
2020	63	36	Electrical	4,200	22	3
2019	78	26	Engine	31,415	3	1	Fewest complaints
2018	84	14	Brakes	8,000	3	1	Fewest complaints
2017	64	35	Electrical	13,000	8	1

Repairs the manufacturer covers beyond the normal warranty. Check whether your car and mileage qualify before paying for one of these.

What years of the Mercedes-Benz GLS 450 should you avoid?

No single model year of the Mercedes-Benz GLS 450 has more than twice its typical number of owner complaints.

What is the best year for a used Mercedes-Benz GLS 450?

2018, 2019 and 2021 have the fewest owner complaints among model years that have been on the road for at least four years (14, 26 and 31).

What is the most common problem with the Mercedes-Benz GLS 450?

Electrical, with 47 complaints across all years, followed by engine (28) and fuel system (16).

How many recalls does the Mercedes-Benz GLS 450 have?

32 recalls between 2017 and 2021. The 2020 model year has the most, with 22.

See the problems and recalls for an exact car

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.