Used 2021 Mercedes-Benz GLS for Sale near Saskatchewan

## Summary - With 66 currently listed for sale and an **average price of $67,921.00 CAD**, 37.9% of 2021 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2021 Mercedes-Benz GLS 4.67 / 5 stars. - **100.0% of 2021 GLS models on CarGurus are accident-free**. - The 2021 Mercedes-Benz GLS-Class combines luxury and performance, featuring spacious three-row seating, advanced MBUX infotainment system, and impressive engine options ranging from a capable inline-six to a powerful V8. ## Why it stands out The 2021 Mercedes-Benz GLS is a standout in the luxury SUV market, embodying the elegance and performance synonymous with the Mercedes-Benz brand. As the full-size SUV designed to parallel the S-Class sedan, it excels in offering unparalleled comfort, advanced technology, and robust performance capabilities. The GLS is available in different configurations, including the GLS 450 with a turbocharged inline-six engine producing 362 horsepower and the GLS 580 featuring a more powerful V8 generating 483 horsepower. This vehicle doesn't just perform well; it does so while ensuring a luxurious ride experience, thanks to its sophisticated air suspension and an interior lined with high-end materials and tech features. The GLS is equipped with the state-of-the-art MBUX infotainment system, which reimagines the in-car experience with a vast touch-screen interface and voice command activation. Safety features are comprehensive, offering driver-assistance technologies that enhance the driving experience while ensuring security for passengers. Additionally, with its spacious and flexible three-row seating arrangement, the GLS caters to families while maintaining an aura of sophistication, making it appealing to buyers who prioritize both luxury and utility. ## Other model years to consider - **[2022 Mercedes-Benz GLS](https://www.cargurus.ca/Cars/l-Used-2022-Mercedes-Benz-GLS-c31986)** - Average price: $70,777.00 CAD - Good/great deal percentage: 48.3% - User rating: 5 / 5 - Total listings: 60 This analysis is based on CarGurus' proprietary market data from April 27, 2026, CarGurus experts' opinions, and generative AI.