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

## Summary - With 865 currently listed for sale on CarGurus and an **average price of $54,114.00**, 34.8% 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. - **82.9% 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, offering spacious three-row seating while emphasizing comfort above all else. ## Why it stands out The 2021 Mercedes-Benz GLS-Class stands out in the competitive market of full-size SUVs for its luxurious features and powerful performance. With three spacious rows of seating, it offers a comfortable ride for families while also excelling in utility with impressive cargo space. The GLS-Class is available in several trims, including the sporty AMG variant, which combines performance with opulence. This model year is appealing for its rich interior design, advanced technology features, and notable driving dynamics, particularly with the AMG GLS 63, which has remarkable acceleration capabilities. Although it has its limitations, including a somewhat cramped third row and some technology elements that might feel unintuitive, the overall fit and finish, along with a top-notch driving experience, makes the 2021 GLS a desirable option among luxury SUVs. ## Other model years to consider - **[2024 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2024-Mercedes-Benz-GLS-c32834)** - Average price: $78,616.00 - Good/great deal percentage: 32.6% - User rating: 5 / 5 - Total listings: 1,214 - **[2022 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLS-c31986)** - Average price: $50,767.00 - Good/great deal percentage: 35.0% - User rating: 5 / 5 - Total listings: 984 - **[2023 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2023-Mercedes-Benz-GLS-c32328)** - Average price: $70,243.00 - Good/great deal percentage: 33.9% - User rating: 4 / 5 - Total listings: 1,154 This analysis is based on CarGurus' proprietary market data from March 2, 2026, CarGurus experts' opinions, and generative AI.