It combines the engine from the G63, a twin-turbo V-8, with 6x6 portal axles, a pick-up version of the G-Class body, and a luxury interior. It was produced from 2013 to 2015, with production exceeding 100 vehicles. The G63 AMG 6×6 features six-wheel drive running on 5.5L, 536-hp, 561-lb-ft twin-turbo DOHC 32-valve V-8 AMG engine. The G63 AMG 6×6 is fitted with Mercedes' 7G-tronic seven-speed automatic transmission; its transfer case can alter between a 0.87:1 high-range ratio for on-road driving and 2.16:1 low-range ratio for off-road conditions to all six wheels in a nominal 30:40:30 split. An extra shaft delivers power to the rearmost axle. The vehicle has five electronic differential locks, which can deliver 100% lockup of all six wheels, operated by three switches on the dashboard. The G63 AMG 6×6 is long, wide, and tall, with of ground clearance and a fording depth of. It has portal axles, similar to those fitted on Unimog vehicles. The vehicle is installed with beadlock wheels and tires, has a wheelbase and weighs. The G63 AMG 6×6 can deliver 0–60 MPH in 7.8 seconds with a top speed limited to. The G63 AMG 6x6 features a compressor which allows it to reduce or increase tyre pressure in order to adapt the traction to the driving surface, especially in desertlike environments. Therefore, the compressor fills four containers with 20 litres each to allow fast inflation of the tyres. This makes it possible to change from sandy deserts to regular streets in less than twenty seconds. The G63 AMG 6×6 was launched in early 2013. The company decided to stop sales of the car and declared the model completely sold out in early 2015 to maintain the model's exclusivity. Mercedes-Benz managed to sell more units of the G63 AMG 6×6 than originally anticipated. The last customer delivery of the G63 AMG 6×6 left the G-Class factory in Graz, Austria in May 2015. In 2015, Mercedes-Benz introduced a limited 15 units RHD version of Brabus 6×6 for the Malaysian market; they are the only RHD version of 6×6 units in the world. They are only available for the Malaysian market and were bought by Naza World, one of the largest automotive conglomerates company in Malaysia. They come with a price tag of RM3,214,119.
The vehicle appears in the 2014 movie Beyond the Reach and is also featured in the 2015 film Jurassic World and also Grand Theft Auto V also called Dubsta 6x6. The G63 6x6 also appears in Forza Horizon 4 since update 11, which can be awarded by completing Tier 7 in the Top Gear Special Horizon Story.
