Tested: 503-HP 2017 Mercedes-AMG C63 S Coupe; 2019 Mercedes-AMG C63 Tested: A Mighty Muscular C; The C63 also remains a tortured soul. Benz is still calling it a C63 even though the V-8 engine has The engine makes 469 hp and 404 lb-ft of torque on its own. 2024 Mercedes-Benz AMG C 63 S E Performance. The electric motor can add up to 201 hp to give the car a maximum of 671 hp—well 2eo86.