Save up to $2,692 on one of 95 used 2018 Mercedes-Benz C-Class AMG C 63s near you. great price. $3,893 Below Market Gray 2017 Mercedes-Benz C-Class C 63 AMG® RWD 7-Speed Automatic AMG® 4 Spend a week with the mighty 2020 Mercedes-AMG C 63 S to find out if the V-8 sports sedan provides the same thrills as when it was brand new. C Class included. PRICE: $76,695/$94,540 (base ETw9Wh.