Powering the nutty SUV is a tweaked version of that 6-litre V12 biturbo engine, which already develops a colossal 450 kW (612 hp) and 1000 Nm of torque in factory form. The performance upgrade comprises of custom made exhaust manifolds housing a pair of uprated turbochargers, remapped ECU software, a new exhaust system with high-flow cats and side exit tailpipes, and four water-to-air intercoolers. Those changes result in 588 kW (800 hp) and 1,420 Nm (limited to 1,100 Nm), which equates to a 0-100 km/h time of just 4.2 seconds and a limited top speed of 250 km/h (155 mph). 270 km/h (168 mph) is possible – without the limiter.
Visually, the G-Wagen wears a carbon fibre hood vent, a front spoiler with integrated LED lights, radiator grille insert with Brabus emblem, fender flares adding 12 cm to the vehicle’s width, stainless-steel running boards, roof spoiler and a rear fascia with underride guard. Brabus offers its usual wide range of alloys wheels, including the Monoblock R designs pictured, which measure 11 x 23-inches, while the Brabus Ride Control suspension system, featuring automatic damper adjustment, detects speed and lateral forces before choosing the optimal setting for the situation.
Moving inside, past the backlit stainless steel scuff plates, Brabus uses materials such as soft Mastik leather or Alcantara aluminium to reupholster the seats and panelling, along with components such as wooden inlays, alumnium pedals and velour floor mats.