Used 2017 Mercedes-Benz GLS for Sale near Madison, WI

## Summary - With 676 currently listed for sale on CarGurus and an **average price of $18,878.00**, 31.4% of 2017 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2017 Mercedes-Benz GLS 4.75 / 5 stars. - **64.5% of 2017 GLS models on CarGurus are accident free.** - The 2017 Mercedes-Benz GLS offers impressive power, comfort, and engineering quality, making it a luxurious choice for a seven-seat SUV. ## Why it stands out The 2017 Mercedes-Benz GLS stands out for its combination of luxury and practicality. As the largest vehicle in the Mercedes-Benz lineup, it provides three rows of seating for six or seven passengers, ensuring ample space for families. The GLS is designed to integrate the opulence of the S-Class sedan with the versatility expected from a midsize SUV. Owners consistently praise its smooth and powerful performance, elegant design, and high-quality interior. However, it is worth noting that some users indicate that the GLS's interior space may not be as generous as rival models such as the Cadillac Escalade and Lincoln Navigator, which could be a consideration for potential buyers. Overall, the GLS delivers a strong balance of comfort and technology features, making it an attractive choice for anyone seeking a luxury SUV that can accommodate a family and their cargo. ## Other model years to consider - **[2024 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2024-Mercedes-Benz-GLS-c32834)** - Average price: $78,826.00 - Good/great deal percentage: 33.6% - User rating: 5 / 5 - Total listings: 1,269 - **[2021 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2021-Mercedes-Benz-GLS-c29893)** - Average price: $53,999.00 - Good/great deal percentage: 35.6% - User rating: 4.93 / 5 - Total listings: 890 - **[2022 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLS-c31986)** - Average price: $50,738.00 - Good/great deal percentage: 35.7% - User rating: 5 / 5 - Total listings: 995 This analysis is based on CarGurus' proprietary market data from February 23, 2026, CarGurus experts' opinions, and generative AI.