GLS-Class (X167)

The 2020-2025 Mercedes-Benz GLS-Class has accumulated 92 NHTSA complaints. The most frequently reported problem areas are Electrical System, Safety Systems, Engine. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.

The 2020-2025 Mercedes-Benz GLS-Class was offered with 4 engine options. Based on NHTSA complaint data, the 3L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.

The 2020-2025 Mercedes-Benz GLS-Class can be a solid used car purchase depending on trim, mileage, and maintenance history. With 92 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.

The 2020-2025 Mercedes-Benz GLS-Class has 92 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.

There are 0 NHTSA recalls affecting some 2020-2025 Mercedes-Benz GLS-Class vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.

Before buying a used Mercedes-Benz GLS-Class, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Electrical System, Safety Systems, Engine, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.

NHTSA has not published crash test ratings for the 2020-2025 Mercedes-Benz GLS-Class. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.