The average asking price for a used 2019 Mercedes-Benz GLS is $23,573, with 84,457 miles on average, across 112 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| California | $21,119 | 86,395 | 19 | 169 |
| Texas | $27,904 | 86,361 | 10 | 88 |
| New Jersey | $22,198 | 88,668 | 8 | 61 |
| Florida | $24,911 | 91,783 | 7 | 68 |
| New York | $24,326 | 67,582 | 6 | 34 |
| Maryland | $21,137 | 82,621 | 5 | 84 |
| Arizona | $21,427 | 95,607 | 5 | 79 |
Used 2019 Mercedes-Benz GLSs for sale at U.S. dealers ask $23,573 on average (half ask less than $22,495), across 112 cars. The cars for sale have 84,457 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.
The 99 for sale with a listing date have been listed 107 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.
The 2019 asks $23,573 on average with 84,457 miles; the 2018 asks $20,808 with 100,982 miles, and the 2020 asks $33,280 with 81,627 miles.
Used and certified cars for sale at US 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.