The original Mansory Gronos came out in 2013 as modified version of the previous G-Wagen. This is the Gronos 2021, and as its name implies, it builds on the new-gen G-Class, and more specifically the Mercedes-AMG G63.

While the stock model’s 4.0-liter bi-turbo V8 produces 585 PS (577 HP / 430 kW) and 850 Nm (627 lb-ft) of torque, the new turbos, downpipes, exhaust system and ECU remap have increased output to 850 PS (838 HP / 625 kW) and 1,000 Nm (738 lb-ft).

The 0-100 km/h (0-62 mph) takes 3.5 seconds, the tuner claims, 1.0 seconds less than stock, and top speed has increased from 220 km/h (137 mph), or 240 km/h (149 mph) with AMG Driver’s Pack, to 250 km/h (155 mph).

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The tuned G63 has the looks the match its grunt, with Mansory going all out on the exterior, which features a wide body conversion, complete with huge fender flares and widened doors. The hood, bumpers, roof attachments, spare wheel holder and other parts are made of carbon fiber, and the additional LED lights up front, 24-inch wheels shod in sticky 295/30 tires, exhaust pipes and British Racing Green paint finish complete the makeover.

The cockpit was reupholstered in brown leather, which was applied all around, including in the rear cargo compartment, while Mansory’s logo was embroidered in the seats and floor mats.

Here’s how much it’ll cost you

The Gronos 2021 is limited to only 10 units worldwide, and it’s already available to order. We found one for sale on Mobile for €560,160, including tax, which equals to just a little over $665,000 at today’s exchange rates. This means that the tuned G63 carries a €400,000 ($475,000) premium over the entry-level G63 in Germany, where it starts at €160,680 (equal to $190,844), while in the States it’s priced from $156,450.