The average asking price for a used 2020 Mercedes-Benz CLS 450 is $32,669, with 58,113 miles on average, across 40 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2020 Mercedes-Benz CLS 450s for sale at U.S. dealers ask $32,669 on average (half ask less than $33,744), across 40 cars. The cars for sale have 58,113 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 36 for sale with a listing date have been listed 73 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 2020 asks $32,669 on average with 58,113 miles; the 2019 asks $28,816 with 64,866 miles, and the 2021 asks $38,846 with 45,701 miles.
NHTSA lists 5 safety recall campaigns that cover the 2020 Mercedes-Benz CLS 450. Repairs are free at a dealer of the make; check a car's VIN with NHTSA before you buy to see whether its recalls were fixed.
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.
