The average asking price for a used 2021 Mercedes-Benz C 43 AMG is $38,363, with 46,805 miles on average, across 19 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2021 Mercedes-Benz C 43 AMGs for sale at U.S. dealers ask $38,363 on average (half ask less than $37,421), across 19 cars. The cars for sale have 46,805 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 19 for sale with a listing date have been listed 42 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 2021 asks $38,363 on average with 46,805 miles; the 2020 asks $32,389 with 62,174 miles, and the 2022 asks $45,938 with 29,071 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.
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