900+HP CLS63 S AMG Brutal acceleration, revs, sound check, Turbo whistle

2016 CLS63 S AMG Mods: Pure Stage 2 turbo E30 tune by ECC 807 AWHP Clutch pack Weistec oil pan, TCU tune Xtreme DI HPFP Full exhaust system Cooling mods WMI by Weistec Forged pistons & rods by Weistec Michelin PS 4S