Used 2021 Mercedes-Benz GLS for Sale near Athens, GA

## Summary - With 896 currently listed for sale on CarGurus and an **average price of $53,833.00**, 33.6% of 2021 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2021 Mercedes-Benz GLS 4.93 / 5 stars and CarGurus experts gave it an 8.33 / 10. - **83.0% of 2021 GLS models on CarGurus are accident free**. - The 2021 Mercedes-Benz GLS-Class brings a new level of luxury to full-size SUVs, featuring three rows of spacious seating and a stunning digital dashboard, emphasizing both comfort and advanced technology. ## Why it stands out The 2021 Mercedes-Benz GLS distinguishes itself as a leading luxury SUV, closely resembling the opulence of the S-Class sedan but in an SUV form. This model year comes with the legacy of the GLS-Class, which began as a replacement for the GL-Class, combining spacious interiors with high-end features. It offers multiple powertrain options—from the efficient inline-six to the robust V8—ensuring impressive performance across the board. Although its third-row seating may feel cramped for some, the GLS does not skimp on cargo space or technology. The model integrates an advanced infotainment system and driver assistance technologies that enhance safety and driving pleasure. Ultimately, the balance of luxury and practicality makes the 2021 GLS an appealing choice for families and luxury SUV enthusiasts alike. ## Other model years to consider - **[2024 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2024-Mercedes-Benz-GLS-c32834)** - Average price: $79,003.00 - Good/great deal percentage: 30.7% - User rating: 5 / 5 - Total listings: 1,271 - **[2022 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLS-c31986)** - Average price: $50,719.00 - Good/great deal percentage: 33.8% - User rating: 5 / 5 - Total listings: 997 - **[2020 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2020-Mercedes-Benz-GLS-c29210)** - Average price: $35,540.00 - Good/great deal percentage: 29.4% - User rating: 4.83 / 5 - Total listings: 765 This analysis is based on CarGurus' proprietary market data from February 19, 2026, CarGurus experts' opinions, and generative AI.