Used 2021 Mercedes-Benz GLS for Sale near Glassboro, NJ
207 results
CarGurus Analysis:
2021 Mercedes-Benz GLS
With 895 currently listed for sale and an average price of $51,825.00, 33.0% of 2021 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.67 / 5 stars.
83.2% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS features luxurious three-row seating, cutting-edge technology with the MBUX infotainment system, and a range of powerful engine options, offering both performance and comfort.
CarGurus Analysis: 2021 Mercedes-Benz GLS
overall
Summary
With 895 currently listed for sale and an average price of $51,825.00, 33.0% of 2021 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.67 / 5 stars.
83.2% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS features luxurious three-row seating, cutting-edge technology with the MBUX infotainment system, and a range of powerful engine options, offering both performance and comfort.
Why it stands out
The 2021 Mercedes-Benz GLS sets a high standard in the full-size luxury SUV segment, delivering exceptional comfort and advanced technology. With its connection to the S-Class, this model emphasizes luxury, featuring a spacious interior with numerous comfort and convenience options, such as nine USB ports and a premium Burmester sound system. The GLS is equipped with powerful engine choices, ensuring strong performance regardless of the selected variant, whether it's the efficient inline-six or the robust V8. Its impressive accident-free percentage and favorable user ratings bolster its appeal as a dependable vehicle. Although the technology can be a bit unintuitive for first-time users, the overall driving experience, including a composed ride and precision handling, makes the GLS a compelling option for those seeking both practicality and luxury in their SUV.
Other model years to consider
- Average price: $78,103.00
- Good/great deal percentage: 32.9%
- User rating: 5 / 5
- Total listings: 1,370
- Average price: $71,091.00
- Good/great deal percentage: 33.0%
- Total listings: 1,329
- Average price: $49,756.00
- Good/great deal percentage: 33.6%
- User rating: 5 / 5
- Total listings: 1,064
This analysis is based on CarGurus' proprietary market data from May 4, 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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