RENNtech Mercedes C63 S AMG Coupe - LOUD Revs & Accelerations !

This video features 2 heavily modified Mercedes-AMG C63 S AMG Coupe’s. The black C63 S has got an ECU performance upgrade package installed by RENNtech and an Eventuri intake. It also got a decat Brabus exhaust system. The other green C63 S Coupe has got an 800HP performance upgrade from RENNtech and a decat exhaust system. Owner black C63 S Coupe: @ Owner green C63 S Coupe: @mrgreenc63 ****************************************** WEBSITE: SUBSCRIBE: FACEBOOK: INSTAGRAM: ****************************************** Thank you for watching our video. Don’t forget to like the video and subscribe to our channel. More videos coming up ! #RENNtech #Mercedes #C63S