The Mercedes-AMG G 63 6x6, or Mercedes-Benz G 63 AMG 6x6, is a sport utility truck (SUT) manufactured by Mercedes-AMG. An SUT derivative of the six wheel drive Mercedes Geländewagen developed for the Australian Army from 2007, at the time it was the company's largest offroad vehicle and second most expensive street-legal model after only the SLS AMG Electric Drive. It was manufactured from 2013 to 2015 by Magna Steyr in Graz, Austria.