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Used 2021 Mercedes-Benz GLS for Sale Nationwide

57 results

CarGurus Analysis:

2021 Mercedes-Benz GLS

4.7

  • With 57 currently listed for sale and an average price of $65,507.00 CAD, 35.1% 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 brings a new level of luxury to full-size SUVs, featuring three rows of spacious seating and a host of advanced technology.

Research summarized using AI

 

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CarGurus Analysis: 2021 Mercedes-Benz GLS

8.3
of 10
overall
Look and feel9/10
Technology9/10
Performance9/10
Safety9/10
Form & function8/10
Cost effectiveness6/10
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Summary

  • With 57 currently listed for sale and an average price of $65,507.00 CAD, 35.1% 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 brings a new level of luxury to full-size SUVs, featuring three rows of spacious seating and a host of advanced technology.

Why it stands out

The 2021 Mercedes-Benz GLS is often referred to as the S-Class of SUVs, and it lives up to that reputation with its exceptional luxury and performance. This full-size SUV offers a spacious interior with three rows of seating, making it an ideal choice for families or those who require extra passenger capacity. The GLS is equipped with a powerful twin-turbocharged engine lineup, including a 3.0-litre inline-six and a 4.0-litre V8, ensuring impressive performance and a smooth driving experience.

Notable features include the advanced MBUX infotainment system, which provides a massive touch screen and voice control capabilities, enhancing the overall user experience. The GLS also boasts a comprehensive suite of safety features, ensuring peace of mind for drivers and passengers alike. With its combination of luxury, technology, and performance, the 2021 GLS stands out in a competitive market of full-size SUVs.

Other model years to consider

This analysis is based on CarGurus' proprietary market data from August 3, 2026, CarGurus experts' opinions, and generative AI.

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