New & Used 2026 Mercedes-Benz GLS for Sale near Byron, IL

## Summary - With 707 currently listed for sale on CarGurus and an **average price of $91,374.00**, 33.5% of 2026 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals. - **98.4% of 2026 GLS models on CarGurus are accident free**. - The 2026 Mercedes-Benz GLS features three rows of seating for six or seven people and offers a spacious cargo area of up to 94 cubic feet, perfect for families or those needing extra space. ## Why it stands out The 2026 Mercedes-Benz GLS distinguishes itself as the largest and most comfortable SUV in the Mercedes-Benz lineup. This model offers a blend of luxury and utility, providing ample room for passengers and cargo alike. Notably, it combines the elegance and performance traits of the S-Class luxury sedan with enhanced off-road capability. This year, the GLS continues to compete strongly against other luxury three-row SUVs like the Audi Q7 and BMW X7, standing out with its premium materials and comfortable ride. Owners appreciate the vehicle's blend of cutting-edge technology, including a user-friendly infotainment system that enhances the driving experience. However, some users have noted challenges with accessing the third-row seats and the placement of touch-sensitive controls. ## Other model years to consider - **[2024 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2024-Mercedes-Benz-GLS-c32834)** - Average price: $79,024.00 - Good/great deal percentage: 34.5% - User rating: 5 / 5 - Total listings: 1,273 - **[2021 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2021-Mercedes-Benz-GLS-c29893)** - Average price: $53,794.00 - Good/great deal percentage: 34.2% - User rating: 4.93 / 5 - Total listings: 900 - **[2025 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2025-Mercedes-Benz-GLS-c33471)** - Average price: $86,407.00 - Good/great deal percentage: 34.1% - Total listings: 1,143 This analysis is based on CarGurus' proprietary market data from February 17, 2026, CarGurus experts' opinions, and generative AI.