The average asking price for a used 2004 Mercedes-Benz SL 500 is $15,418, with 68,745 miles on average, across 14 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| Florida | $15,940 | 45,940 | 5 | 67 |
Used 2004 Mercedes-Benz SL 500s for sale at U.S. dealers ask $15,418 on average (half ask less than $13,680), across 14 cars. The cars for sale have 68,745 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 13 for sale with a listing date have been listed 135 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 2004 asks $15,418 on average with 68,745 miles; the 2003 asks $14,273 with 64,466 miles, and the 2005 asks $14,348 with 78,526 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.
| $8,900 |
| 94,258 |
| 1 |
| 1994 | $8,900 | 149,000 | 2 |
