The Mercedes-Benz G- Class has hit a record of 4,00,000 models produced since 1979. It’s 4,00,000th model blazed off the assembly line in Graz, Austria. The new G-Class has outstanding handling and safety features. Mercedes is thinking of taking the G- Class a step further by making it electric and going green. The G-Class is the only passenger model series with the longest production history.