Just when other manufacturers are thinking small, economical and green, Brabus flies in the face of convention to bring us the G V12 S Biturbo – the world’s most powerful off-roader. On the one hand, it’s an environmental no-no, an inappropriately thirsty, greedy powerhouse that flies in the face of all current trends. On the other, what a relief to find something so outrageously unapologetic.

Based on the Mercedes G-Class, Brabus has fitted the V12 Biturbo engine from the latest Mercedes S 600, expanded from 5.5 to 6.3 litres using a special crankshaft with longer stroke, larger cylinders and larger bore. Together with larger turbochargers, this gives 690bhp and 973lb ft of torque – although peak torque is electronically limited to 811lb ft.

While the Brabus G V12 S Biturbo is still positioned as a true off-roader, it offers the most startling performance. With five-speed automatic transmission and permanent four-wheel drive, the SUV rockets from 0-62mph in just 4.3 seconds. Top speed is limited electronically to 150mph, otherwise it would keep accelerating to 163mph.

Among the exterior styling touches are a Brabus front apron, with LED daytime running lights below the main headlights, and a Brabus rear bumper.

Meanwhile, the customised cabin includes an ergonomically shaped steering wheel, a speedometer with a 175mph scale, stainless-steel scuff plates with illuminated Brabus logo and a Mastik leather interior.

There’s also the option to integrate a custom-tailored high-tech multimedia system with communication technology, DVD changer, DVBT TV tuner, games console and eight-inch LCD screens in the back of the front headrests. The sound in the rear part of the cabin is relayed by infrared headphones.

This ultra-powerful 4x4, complete with a comprehensive luxury package, starts at 379,000 euros.

Text: Charis Whitcombe
Photos: Brabus