The average asking price for a used 2012 Mercedes-Benz GLK is $8,717, with 117,128 miles on average, across 85 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| California | $8,405 | 115,500 | 22 | 62 |
| Texas | $9,358 | 113,309 | 9 | 130 |
| Connecticut | $9,185 | 119,529 | 5 | 88 |
| Florida | $6,610 | 97,758 | 5 | 38 |
Used 2012 Mercedes-Benz GLKs for sale at U.S. dealers ask $8,717 on average (half ask less than $8,719), across 85 cars. The cars for sale have 117,128 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 85 for sale with a listing date have been listed 100 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.
Over the last 15 days, the 37 cars for sale at both ends of that window changed their asking price by $103 on average (−1.3%), down, and 19% of them cut their price.
The 2012 asks $8,717 on average with 117,128 miles; the 2011 asks $8,369 with 119,364 miles, and the 2013 asks $9,633 with 115,621 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.
| $8,369 |
| 119,364 |
| 53 |
| 2010 | $8,005 | 119,631 | 80 |