# Used 2021 Mercedes-Benz GLS 450 prices > The average asking price for a used 2021 Mercedes-Benz GLS 450 is $34,361, with 71,116 miles on average, across 102 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-gls450/2021) · [all Mercedes-Benz GLS 450 model years](https://ottoquest.com/models/mercedes-benz-gls450.md) - Average asking price: $34,361 (median $34,280) - Average miles: 71,116 - For sale now: 102 - Average days listed: 62 (of 93 with a listing date) ## 2021 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 | $31,135 | 85,287 | 14 | 76 | | Texas | $35,537 | 68,643 | 11 | 41 | | California | $35,537 | 65,780 | 11 | 47 | | Indiana | $35,880 | 58,700 | 7 | 41 | | Georgia | $32,354 | 75,279 | 5 | 98 | | Illinois | $31,824 | 79,998 | 5 | 42 | | Colorado | $34,117 | 77,299 | 5 | 69 | ## 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** | $34,361 | 71,116 | 102 | | [2020](https://ottoquest.com/models/mercedes-benz-gls450/2020.md) | $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 · 12 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. - FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP (Jun 26, 2023): Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power. - 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. ## Used 2021 Mercedes-Benz GLS 450 prices: common questions ### What is a fair price for a used 2021 Mercedes-Benz GLS 450? Used 2021 Mercedes-Benz GLS 450s for sale at U.S. dealers ask $34,361 on average (half ask less than $34,280), across 102 cars. The cars for sale have 71,116 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 2021 Mercedes-Benz GLS 450 cheapest? Among states with at least 10 for sale, Florida has the lowest average asking price, $31,135 across 14 cars with 85,287 miles on average, and California the highest, $35,537 across 11 with 65,780 miles on average. Part of a gap between states is mileage and trim, not the state. ### How long are used 2021 Mercedes-Benz GLS 450s for sale? The 93 for sale with a listing date have been listed 62 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 2021 Mercedes-Benz GLS 450 compare with the 2020 and 2022? The 2021 asks $34,361 on average with 71,116 miles; the 2020 asks $30,353 with 77,196 miles, and the 2022 asks $42,979 with 54,902 miles. ### Does the 2021 Mercedes-Benz GLS 450 have recalls? NHTSA lists 12 safety recall campaigns that cover the 2021 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=&price=&mileage= (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. --- OttoQuest · [this page](https://ottoquest.com/models/mercedes-benz-gls450/2021). 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.