The average asking price for a used 2004 Mercedes-Benz SL 55 AMG is $20,821, with 69,271 miles on average, across 4 cars for sale at U.S. dealers as of Nov 15, 2026.
Used 2004 Mercedes-Benz SL 55 AMGs for sale at U.S. dealers ask $20,821 on average (half ask less than $21,470), across 4 cars. The cars for sale have 69,271 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 2004 asks $20,821 on average with 69,271 miles; the 2003 asks $18,348 with 73,447 miles, and the 2005 asks $19,125 with 73,988 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.
