Mercedes-Benz is showing off its latest family member, the G 63 AMG 6×6 Showcar – a 6×6 truck that tips the scales at 8,322-pounds. Mercedes plans to build 20 to 30 of these trucks per year, with the G63 AMG 6×6 to be the brand’s second most expensive car in the range behind the $457,000 SLS Electric Drive.