# Used 2020 Mercedes-Benz GLS 450 prices

> The average asking price for a used 2020 Mercedes-Benz GLS 450 is $30,353, with 77,196 miles on average, across 199 cars for sale at U.S. dealers as of Nov 10, 2026.

Data as of Nov 14, 2026 · [ottoquest.com](https://ottoquest.com/models/mercedes-benz-gls450/2020) · [all Mercedes-Benz GLS 450 model years](https://ottoquest.com/models/mercedes-benz-gls450.md)

- Average asking price: $30,353 (median $29,988)
- Average miles: 77,196
- For sale now: 199
- Average days listed: 46 (of 184 with a listing date)

## 2020 Mercedes-Benz GLS 450 prices by state

States with 5 or more cars for sale.

| State | Average asking | Average miles | For sale | Days listed |
| --- | ---: | ---: | ---: | ---: |
| Florida | $29,531 | 79,136 | 30 | 36 |
| Texas | $29,065 | 84,678 | 20 | 31 |
| Virginia | $28,369 | 82,974 | 18 | 62 |
| California | $30,889 | 79,533 | 15 | 18 |
| Georgia | $32,568 | 69,734 | 11 | 17 |
| Michigan | $31,023 | 71,020 | 9 | 47 |
| Ohio | $28,446 | 88,137 | 9 | 62 |
| Illinois | $29,131 | 83,763 | 8 | 42 |
| North Carolina | $32,338 | 67,988 | 6 | 51 |
| Kentucky | $32,383 | 64,993 | 6 | 80 |
| Missouri | $29,617 | 88,488 | 6 | 59 |
| Pennsylvania | $31,055 | 79,876 | 6 | 33 |
| South Carolina | $35,127 | 69,811 | 5 | 80 |
| Oregon | $30,290 | 76,172 | 5 | 32 |
| New Jersey | $29,180 | 75,896 | 5 | 27 |
| Wisconsin | $30,568 | 76,872 | 5 | 18 |

## Other Mercedes-Benz GLS 450 years

| Year | Average asking | Miles | For sale |
| --- | ---: | ---: | ---: |
| [2027](https://ottoquest.com/models/mercedes-benz-gls450/2027.md) | $100,055 | 197 | 67 |
| [2026](https://ottoquest.com/models/mercedes-benz-gls450/2026.md) | $85,621 | 5,945 | 449 |
| [2025](https://ottoquest.com/models/mercedes-benz-gls450/2025.md) | $68,392 | 18,863 | 353 |
| [2024](https://ottoquest.com/models/mercedes-benz-gls450/2024.md) | $63,061 | 31,789 | 557 |
| [2023](https://ottoquest.com/models/mercedes-benz-gls450/2023.md) | $51,627 | 44,294 | 227 |
| [2022](https://ottoquest.com/models/mercedes-benz-gls450/2022.md) | $42,979 | 54,902 | 252 |
| [2021](https://ottoquest.com/models/mercedes-benz-gls450/2021.md) | $34,361 | 71,116 | 102 |
| **2020** | $30,353 | 77,196 | 199 |
| [2019](https://ottoquest.com/models/mercedes-benz-gls450/2019.md) | $21,501 | 87,071 | 158 |
| [2018](https://ottoquest.com/models/mercedes-benz-gls450/2018.md) | $18,158 | 97,229 | 99 |
| [2017](https://ottoquest.com/models/mercedes-benz-gls450/2017.md) | $16,519 | 106,407 | 186 |

## Recalls · 22

NHTSA, this model year.

- ELECTRICAL SYSTEM:WIRING (Mar 15, 2024): Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles.  A 48-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheating.
- POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE (Feb 16, 2024): Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles.  The transmission may not fully downshift in certain conditions, causing the engine to stall.
- VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM (Mar 17, 2023): Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 GLE350, GLE450, GLS450, GLS580, 2021 AMG GLE53, AMG GLE63, Maybach GLS600, AMG GLS63, and 2020 GLE580 vehicles.  The air conditioner drain hoses may have been incorrectly installed, causing water to drain into the passenger compartment.
- SEATS:MID/REAR ASSEMBLY (Sep 30, 2022): Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles.  Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a crash.
- STRUCTURE:BODY (Sep 12, 2022): Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE350, GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, and 2021 GLE400e, AMG GLS63, AMG GLE63 S, and Maybach GLS600 vehicles.  Due to a manufacturing error, the rear door window trim bars may detach.
- AIR BAGS:FRONTAL (Jul 1, 2022): Mercedes-Benz, LLC (MBUSA) is recalling certain 2020 Mercedes-Benz GLS 450 and GLS 580 vehicles.  The front air bag wiring harness may be routed incorrectly, which can cause the air bag not to deploy properly.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

## Used 2020 Mercedes-Benz GLS 450 prices: common questions

### What is a fair price for a used 2020 Mercedes-Benz GLS 450?

Used 2020 Mercedes-Benz GLS 450s for sale at U.S. dealers ask $30,353 on average (half ask less than $29,988), across 199 cars. The cars for sale have 77,196 miles on average: one with fewer miles is worth more, and one with more is worth less. To check one car's price against cars of its trim and mileage, enter its VIN in OttoQuest's free Deal Check.

### Where is a used 2020 Mercedes-Benz GLS 450 cheapest?

Among states with at least 10 for sale, Virginia has the lowest average asking price, $28,369 across 18 cars with 82,974 miles on average, and Georgia the highest, $32,568 across 11 with 69,734 miles on average. Part of a gap between states is mileage and trim, not the state.

### How long are used 2020 Mercedes-Benz GLS 450s for sale?

The 184 for sale with a listing date have been listed 46 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.

### How does the 2020 Mercedes-Benz GLS 450 compare with the 2019 and 2021?

The 2020 asks $30,353 on average with 77,196 miles; the 2019 asks $21,501 with 87,071 miles, and the 2021 asks $34,361 with 71,116 miles.

### Does the 2020 Mercedes-Benz GLS 450 have recalls?

NHTSA lists 22 safety recall campaigns that cover the 2020 Mercedes-Benz GLS 450. Repairs are free at a dealer of the make; check a car's VIN with NHTSA before you buy to see whether its recalls were fixed.

## More

- Check one car's price: https://ottoquest.com/deal-check.md?vin=<VIN>&price=<price>&mileage=<miles> (markdown; the page is https://ottoquest.com/deal-check)
- Value a car by model, trim, year and mileage: https://ottoquest.com/value
- Free alerts for new listings and price drops: https://ottoquest.com/deals

Used and certified cars for sale at U.S. dealers, each car counted once. Days listed are the dealer's own days on market where they publish it. Price moves compare the same cars at both ends of the window.

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OttoQuest · [this page](https://ottoquest.com/models/mercedes-benz-gls450/2020). Prices are asking prices of cars for sale in the U.S. and recorded sold prices; a guide to the price, not to a car's condition.