A Mercedes-Benz C 55 AMG averages €24,646 across all model years. Right now 3 are listed for sale, with the cheapest sitting around €21,999 (typically older years) and the priciest around €27,990 (recent years). The median is €23,950. A good price for a Mercedes-Benz C 55 AMG is under €22,974; anything over €25,970 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €17,962 to €21,555 for this model, depending on year and condition.