Used 2021 Mercedes-Benz GLS for Sale near Chicago, IL
147 results
CarGurus Analysis:
2021 Mercedes-Benz GLS
With 141 currently listed for sale near Chicago, IL and an average price of $58,834.00, 24.8% 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.
91.5% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS brings a new level of luxury to full-size SUVs, featuring a spacious three-row cabin, advanced technology, and powerful engine options.
CarGurus Analysis: 2021 Mercedes-Benz GLS
overall
Summary
With 141 currently listed for sale near Chicago, IL and an average price of $58,834.00, 24.8% 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.
91.5% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS brings a new level of luxury to full-size SUVs, featuring a spacious three-row cabin, advanced technology, and powerful engine options.
Why it stands out
The 2021 Mercedes-Benz GLS-Class stands out as the epitome of luxury among full-size SUVs, closely related to the prestigious S-Class sedan. It offers a compelling blend of spacious comfort and state-of-the-art technology, making it an attractive choice for families and luxury seekers alike. Owners have highlighted its impressive performance and sophisticated interior, complete with a massive digital infotainment system that enhances the driving experience. The GLS also excels in safety, equipped with numerous driver-assistance features as standard. However, it’s worth noting the third-row seating may feel cramped for adult passengers, and the technology interface could pose a learning curve for some. Overall, the luxurious appointments and versatile utility make the 2021 GLS a formidable option in its class.
Other model years to consider
- Average price: $90,573.00
- Good/great deal percentage: 23.2%
- User rating: 5 / 5
- Total listings: 194
- Average price: $90,569.00
- Good/great deal percentage: 26.2%
- Total listings: 202
- Average price: $78,371.00
- Good/great deal percentage: 24.5%
- Total listings: 192
- Accident-free percentage: 88.5%
This analysis is based on CarGurus' proprietary market data from June 2, 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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