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Mercedes Benz Gls450 Problems

The Mercedes-Benz GLS450 is a full-size luxury SUV offering three-row seating with genuine luxury appointments. With 190 complaints and no fatalities recorded, the GLS450 provides family transportation at the premium end of the market. The turbocharged inline-six with mild hybrid assistance delivers smooth power, and the interior rivals S-Class quality. This is the Mercedes for families who want flagship-level luxury with SUV practicality.

190
Total Complaints
25
Total Recalls
5
Model Years
0
Reported Deaths
✓

Best Years

These years have the fewest reported problems.

2019 2020

Common Problem Categories

Electrical System 44
Unknown Or Other 32
Engine 22
Fuel/propulsion System 10
Exterior Lighting 10

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2021 82 12 2 8 Below Average
2020 2 2 0 0 Good
2019 14 2 4 0 Good
2017 92 8 0 24 Below Average
2016 0 1 0 0 Good

Mercedes Benz Gls450 Years to Avoid

The 2017 model year, as the first year after the GL-to-GLS name change and featuring the new turbocharged six-cylinder, shows elevated complaints. Transmission hesitation, air suspension issues, and electrical concerns appear in the data. First-year models of significant updates carry typical risk.

Best Mercedes Benz Gls450 Years

The 2020 model year benefits from several years of refinement and represents the end of the X166 generation before the major 2020 redesign. For buyers seeking proven technology, late X166 models offer excellent value. The current X167 generation (2020+) should be considered from 2022 onwards for best reliability.

Frequently Asked Questions