Used 2021 Mercedes-Benz GLS for Sale Nationwide
940 results
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Iridium Silver Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Almond
- Transmission:
- Automatic
- Mileage:
- 74,004
- Stock #:
- P3049
- VIN:
- 4JGFF5KE0LA190441
2020 Mercedes-Benz GLS
450 4MATIC
74,004 mi
$33,368
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- designo Diamond White Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Macchiato Beige/Magma Gray)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 65,846
- Stock #:
- 192249
- VIN:
- 4JGFF5KE7LA192249
2020 Mercedes-Benz GLS
450 4MATIC
65,846 mi
$34,495
- Year:
- 2021
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 603 hp 4L V8
- Exterior color:
- Black
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 43,900
- Stock #:
- MA575387
- VIN:
- 4JGFF8KE2MA575387
2021 Mercedes-Benz GLS
AMG GLS 63 4MATIC AWD
43,900 mi
$68,020
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- White
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Macchiato/Magmagray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 119,106
- Stock #:
- F30131
- VIN:
- 4JGFF5KE2LA097968
2020 Mercedes-Benz GLS
450 4MATIC
119,106 mi
$24,990
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Polar White
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Macchiato Beige/Magma Gray)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 79,546
- Stock #:
- T6568C
- VIN:
- 4JGFF5KEXLA138735
-$805
2020 Mercedes-Benz GLS
450 4MATIC
79,546 mi
$32,486
$31,681
- Year:
- 2021
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 48,000
- Stock #:
- MA376186
- VIN:
- 4JGFF5KE7MA376186
2021 Mercedes-Benz GLS
450 4MATIC
48,000 mi
$41,567
- Year:
- 2021
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 80,363
- Stock #:
- CC260152A
- VIN:
- 4JGFF5KE3MA442104
2021 Mercedes-Benz GLS
450 4MATIC
80,363 mi
$34,391
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Black
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 61,213
- Stock #:
- RW391346A
- VIN:
- 4JGFF5KE2LA220636
2020 Mercedes-Benz GLS
450 4MATIC
61,213 mi
$35,588
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Silver Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Almond
- Transmission:
- 9-Speed Automatic
- Mileage:
- 91,871
- Stock #:
- T1660A
- VIN:
- 4JGFF5KE5LA219965
2020 Mercedes-Benz GLS
450 4MATIC
91,871 mi
$26,225
- Year:
- 2021
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 34,080
- Stock #:
- 260092SA
- VIN:
- 4JGFF5KE6MA487165
2021 Mercedes-Benz GLS
450 4MATIC
34,080 mi
$43,492
- Year:
- 2021
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Polar White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Espresso Brown/Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 74,161
- Stock #:
- 2000879
- VIN:
- 4JGFF5KEXMA402750
-$1,000
2021 Mercedes-Benz GLS
450 4MATIC
74,161 mi
$35,500
$34,500
- Year:
- 2022
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Mojave Silver Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Espresso Brown/Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 82,501
- Stock #:
- A655836
- VIN:
- 4JGFF5KE0NA655836
2022 Mercedes-Benz GLS
450 4MATIC
82,501 mi
$35,067
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Polar White
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Espresso Brown
- Transmission:
- 9-Speed Automatic
- Mileage:
- 69,395
- Stock #:
- QX1241A
- VIN:
- 4JGFF5KE3LA138463
-$1,500
2020 Mercedes-Benz GLS
450 4MATIC
69,395 mi
$35,900
$34,400
CarGurus Analysis:
2021 Mercedes-Benz GLS
With 916 currently listed for sale and an average price of $50,742.00, 35.8% 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.
83.6% 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 three rows of spacious seating and advanced technology, along with options for impressive performance.
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Polar White
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Macchiato/Magmagrey
- Transmission:
- Automatic
- Mileage:
- 103,280
- Stock #:
- B2631A
- VIN:
- 4JGFF5KE4LA186120
2020 Mercedes-Benz GLS
450 4MATIC
103,280 mi
$27,483
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- designo Diamond White Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Espresso Brown
- Transmission:
- 9-Speed Automatic
- Mileage:
- 91,750
- Stock #:
- 3385A
- VIN:
- 4JGFF5KE9LA158068
-$1,000
2020 Mercedes-Benz GLS
450 4MATIC
91,750 mi
$29,807
$28,807
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Black
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 77,411
- Stock #:
- T41464A
- VIN:
- 4JGFF5KE8LA266133
2020 Mercedes-Benz GLS
450 4MATIC
77,411 mi
$33,296
- Year:
- 2022
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Cirrus Silver Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Macchiato Beige/Black)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 42,201
- Stock #:
- M3805B
- VIN:
- 4JGFF5KE9NA589433
2022 Mercedes-Benz GLS
450 4MATIC
42,201 mi
$48,094
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Silver
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 59,706
- Stock #:
- 22821
- VIN:
- 4JGFF5KE0LA140459
2020 Mercedes-Benz GLS
450 4MATIC
59,706 mi
$34,740
- Year:
- 2021
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Mojave Silver Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 63,505
- Stock #:
- SIT399461
- VIN:
- 4JGFF5KE8MA399461
2021 Mercedes-Benz GLS
450 4MATIC
63,505 mi
$36,595
- Year:
- 2022
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- MANUFAKTUR Diamond White Bright
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Macchiato Beige/Black)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 68,075
- Stock #:
- VD4393A
- VIN:
- 4JGFF5KE9NA680914
2022 Mercedes-Benz GLS
450 4MATIC
68,075 mi
$42,900
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Black
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Macchiato Beige/Magma Gray)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 65,101
- Stock #:
- DPF2061A
- VIN:
- 4JGFF5KE7LA222978
2020 Mercedes-Benz GLS
450 4MATIC
65,101 mi
$36,506
- Year:
- 2021
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 603 hp 4L V8
- Exterior color:
- Selenite Gray Metallic
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 80,263
- Stock #:
- M18387A
- VIN:
- 4JGFF8KE4MA461651
2021 Mercedes-Benz GLS
AMG GLS 63 4MATIC AWD
80,263 mi
$50,953
- Year:
- 2020
- Make:
- Mercedes-Benz
- Model:
- GLS
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 362 hp 3L I6
- Exterior color:
- Emerald Green Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Transmission:
- 9-Speed Automatic
- Mileage:
- 66,777
- Stock #:
- LA166457
- VIN:
- 4JGFF5KE5LA166457
2020 Mercedes-Benz GLS
450 4MATIC
66,777 mi
$35,232
CarGurus Analysis: 2021 Mercedes-Benz GLS
overall
Summary
With 916 currently listed for sale and an average price of $50,742.00, 35.8% 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.
83.6% 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 three rows of spacious seating and advanced technology, along with options for impressive performance.
Why it stands out
The 2021 Mercedes-Benz GLS-Class distinguishes itself as the "S-Class of SUVs," showcasing a luxurious interior and solid performance across its variants. With room for seven passengers and ample space for luggage, it comfortably accommodates families and adventurers alike. The GLS offers multiple powertrains, including a nimble inline-six in the GLS 450 and a robust V8 in the GLS 580, each coupled with the advanced 4MATIC all-wheel drive system. Furthermore, the GLS boasts an impressive array of technology features, including the user-friendly MBUX infotainment system, a massive touchscreen, and seamless smartphone integration. Although some might find the third row a bit cramped and the tech a learning curve, the overall comfort, fit-and-finish, and performance of the GLS position it as a leading contender in the luxury SUV market.
Other model years to consider
- Average price: $75,988.00
- Good/great deal percentage: 34.2%
- User rating: 5 / 5
- Total listings: 1,445
- Average price: $69,671.00
- Good/great deal percentage: 34.6%
- Accident-free percentage: 90.0%
- Total listings: 1,322
- Average price: $34,925.00
- Good/great deal percentage: 35.5%
- User rating: 5 / 5
- Total listings: 801
This analysis is based on CarGurus' proprietary market data from June 15, 2026, CarGurus experts' opinions, and generative AI.
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4.7 Overall rating
Filter by rating
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.
See more price trends
