The average asking price for a used 2018 Mercedes-Benz CLS 550 is $29,882, with 72,021 miles on average, across 7 cars for sale at U.S. dealers as of Nov 10, 2026.
Used 2018 Mercedes-Benz CLS 550s for sale at U.S. dealers ask $29,882 on average (half ask less than $25,990), across 7 cars. The cars for sale have 72,021 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 2018 asks $29,882 on average with 72,021 miles; the 2017 asks $23,171 with 101,577 miles.
NHTSA lists 1 safety recall campaign that covers the 2018 Mercedes-Benz CLS 550. 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.
| $8,197 |
| 112,119 |
| 12 |