Video: Merc AMG G63 6×6 gets humbled by Leisure Wheels 29 April 2014 Footage of an AMG G63 6×6 being towed on a beach. It seems as if the vehicle has a flat front tyre, which just goes to show: no vehicle is unstoppable. It doesn’t matter if you have six wheels – one flat one can still cause a whole lot of hassles.