Used 2021 Mercedes-Benz GLS for Sale near Washington, DC
200 results
CarGurus Analysis:
2021 Mercedes-Benz GLS
With 202 currently listed for sale near Washington, DC and an average price of $39,392.00, 28.7% of 2021 Mercedes-Benz GLS vehicles for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.67 / 5 stars.
87.6% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS offers an upscale interior with ample cargo space, advanced technology, and impressive performance across various powertrains.
CarGurus Analysis: 2021 Mercedes-Benz GLS
overall
Summary
With 202 currently listed for sale near Washington, DC and an average price of $39,392.00, 28.7% of 2021 Mercedes-Benz GLS vehicles for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.67 / 5 stars.
87.6% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS offers an upscale interior with ample cargo space, advanced technology, and impressive performance across various powertrains.
Why it stands out
The 2021 Mercedes-Benz GLS sets itself apart in the full-size luxury SUV segment with its remarkable combination of space, comfort, and technology. Known as the "S-Class of SUVs," it provides three rows of seating, making it a practical choice for families without sacrificing luxury. Distinctive features include a spacious and futuristic cabin outfitted with a massive digital display, advanced driver assistance systems, and numerous tech integrations such as the MBUX infotainment system. While its performance, particularly in the AMG GLS 63 variant, delivers exhilarating acceleration and sophisticated handling, the model does come with some trade-offs such as a cramped third row and less than stellar fuel economy. Overall, the GLS appeals to buyers seeking a luxurious, practical vehicle that excels in comfort and cutting-edge technology.
Other model years to consider
- Average price: $72,833.00
- Good/great deal percentage: 32.4%
- User rating: 5 / 5
- Total listings: 219
- Average price: $47,527.00
- Good/great deal percentage: 36.5%
- User rating: 5 / 5
- Total listings: 208
- Average price: $34,012.00
- Good/great deal percentage: 22.3%
- User rating: 5 / 5
- Total listings: 188
This analysis is based on CarGurus' proprietary market data from May 12, 2026, CarGurus experts' opinions, and generative AI.
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Mercedes-Benz GLS Buying Guide: Cost, Reliability, and the Best Years to Buy
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.
4.7 Overall rating
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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!!
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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