Mercedes-Benz announced that 2005 would be the final year of G-Class to be sold in the United States, citing the new GL-Class as the successor of G-Class. The 500 units of G 500 and G 55 AMG Grand Edition were built and shipped to the United States. However, the unexpected order placed by the U.S. Marine Corps for 157 Interim Fast Attack Vehicle (IFAV) based on G-Class, replacing its ageing, slow, and cumbersome Desert Patrol Vehicles.