During the Spring Event 2.0 supercar event in The Netherlands, I have filmed this very loud 650HP Mercedes-Benz CLS63 AMG S BiTurbo 4Matic (C218) which has got a 700HP performance upgrade and a pops and crackles remap. It did some 1/4 Mile head to head drag racing, against a BMW M3 F80, BRABUS Mercedes-AMG E63 S 4Matic+, Porsche 992 Turbo S, Lamborghini Huracan Performante Spyder, Ferrari 599 GTB Fiorano, Audi RS3, BRABUS 600 C63 S AMG, G-POWER BMW M8 Competition, Audi R8, ABT Audi RS6 Avant C7 and more. Enjoy the video.