MercBenzKing presents to you the all-NEW 2021 Mercedes GLS 63 in a full drive review. It has a V8 BiTurbo with 612 HP and an additional 21 HP and 250 Nm/Torque at Go! due to EQ Boost. 0-100km/h in under 4.0 seconds and a top speed over 300 km/h. Hope you enjoy the video!