Used 2021 Mercedes-Benz GLS for Sale Nationwide
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CarGurus Analysis:
2021 Mercedes-Benz GLS
With 884 currently listed for sale and an average price of $51,605.00, 35.3% of 2021 Mercedes-Benz GLSs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.93 / 5 stars.
82.2% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS offers a luxurious three-row interior, advanced technology features, and multiple powertrain options, making it a top choice among full-size SUVs.
CarGurus Analysis: 2021 Mercedes-Benz GLS
overall
Summary
With 884 currently listed for sale and an average price of $51,605.00, 35.3% of 2021 Mercedes-Benz GLSs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.93 / 5 stars.
82.2% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS offers a luxurious three-row interior, advanced technology features, and multiple powertrain options, making it a top choice among full-size SUVs.
Why it stands out
The 2021 Mercedes-Benz GLS stands out in the full-size luxury SUV market by combining exceptional comfort with superior technology and performance. Often referred to as the "S-Class of SUVs," the GLS-Class boasts a spacious interior equipped with three rows of seating, making it a practical choice for families without sacrificing the luxury expected from the brand. Its impressive standard features, including a premium sound system and advanced infotainment technology, ensure that every ride is both enjoyable and convenient. The GLS-Class is available in different configurations, including the GLS 450 with a robust six-cylinder engine and the GLS 580 V8, catering to a range of performance preferences. Despite some limitations, such as a cramped third row and complex technology interfaces, the GLS remains a leader in the segment, blending style, comfort, and state-of-the-art features seamlessly.
Other model years to consider
- Average price: $78,358.00
- Good/great deal percentage: 32.3%
- User rating: 5 / 5
- Total listings: 1,308
- Average price: $50,552.00
- Good/great deal percentage: 35.2%
- User rating: 5 / 5
- Total listings: 1,032
- Average price: $36,087.00
- Good/great deal percentage: 33.7%
- User rating: 4.83 / 5
- Total listings: 754
This analysis is based on CarGurus' proprietary market data from March 30, 2026, CarGurus experts' opinions, and generative AI.
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Discover the ultimate buying guide for purchasing a used Mercedes-Benz GLS covering each generation since 2017. Whether you're a first-time buyer or a Mercedes enthusiast, this comprehensive overview will help you research your next pre-owned Mercedes-Benz GLS.
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Wilber R
Reviewed a 2021 Mercedes-Benz GLS on Sep 4, 2024
Excellent car, very good finish full of attributes, spacious.
James C
Reviewed a 2021 Mercedes-Benz GLS on Dec 22, 2022
I feel that the features listed for this vehicle is good. I just didnt see one option that would have made me buy the vehicle fast. I did not see the multi contour massage feature. I wished that it would have been made clear on the listing.
Michelle A
Reviewed a 2021 Mercedes-Benz 450 4MATIC on Apr 8, 2023
Very nice ride, drives so well and well built. I love it so far!!
Oliver D
Reviewed a 2021 Mercedes-Benz GLS on Jan 25, 2022
The Mercedes Benz GLS 63AMG is a majestic vehicle., one will fall in love at first sight.,,
2021 Mercedes-Benz GLS Trims
| Trim type | MSRP |
|---|---|
| 450 4MATIC | $76,000 |
| AMG GLS 63 4MATIC AWD | $132,100 |
| 580 4MATIC | $98,850 |
| 600 Mercedes-Maybach 4MATIC | $160,500 |
2021 Mercedes-Benz GLS Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 Mercedes-Benz GLS prices has changed over time.
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