Is the Mercedes-Benz GLS 550 reliable?

The Mercedes-Benz GLS 550 has 7 total NHTSA complaints across 1 model years. Years to avoid: 2018 (7 complaints).

What years of the Mercedes-Benz GLS 550 should I avoid?

Avoid the 2018 Mercedes-Benz GLS 550. The 2018 model has the most complaints (7) with the top issue being OTHER.

Reliability and problems by year based on NHTSA complaint data.

Year	Complaints	Top Issue	Verdict
2018	7	I WAS DRIVING IN A RURAL AREA WHEN ALL OF A SUDDEN...	Below Average