“BRABUS extra power for your vehicle: The BRABUS PowerXtra B63-620 performance kit Vmax 210 based on the G 63 consists of an auxiliary control module for the engine control unit. In addition to a bump in peak torque from 760 Nm to 820 Nm, the rated output jumps by 56 kW/76 hp from 400 kW/544 hp to 456 kW/620 hp. The plug-and-play control unit is adapted to the production electronics. The kit is available for delivery. Acceleration 0-100 km/h:

G 63: 5.1 s (stock 5.4 s)
Performance increase:

820 Nm (stock 760 Nm)
456 kW/620 hp (stock 400 kW/544 hp)
Top speed:

Vmax: optionally 130 mph or 143 mph (stock 130 mph) / 210 km/h or 230 km/h (stock 210 km/h)
All given performance figures are approximate values and depend on specific details such as vehicle type, equipment, tare weight, final gear reduction in the rear axle, wheel/ tyre combinations, gearbox and aerodynamic add-ons of the vehicle.