German tuning house A.R.T. has developed a new tuning pack for the Mercedes G55, which after undergoing a series of modifications sees engine output rise by 100hp (74kW) to a final result of 580hp (427kW) – the same power levels as the Audi RS6. The G is Mercedes’ utilitarian equivalent to the Hummer H2 or Toyota Land Cruiser and is hardly the type of vehicle in need of a supercar powerplant, but despite this A.R.T. deemed it necessary to boost the output of the already potent engine.

Engineers have added a new supercharger and engine management system to G55’s V8 mill, boosting torque to 790Nm from the stock version’s 700Nm. In addition to the engine mods, A.R.T also installs a new sports exhaust system with four 80 mm diameter tailpipes and a high-flow air filter.

The A.R.T modified SUV also gets MonoART 22in rims positioned under pumped wheelarches, as well as a wind deflector, chrome bezels for the air intakes, new tail lamps, new front and rear bumpers, frontal protection systems, and a roof spoiler to give the G-wagon a new look that could only possibly be described as 'pimped'.

Inside, the center console and seats get a healthy dose of high quality leather and wood, as well as customized carpets and curtains. There are also an A.R.T steering wheel available as well as a customized entertainment system. Owners can also modify the armrests, visors, seats, lighting and the way the car's seating arrangement is configured.