The Mercedes-Benz G-Class often referred to as the G-Wagen, are mid-size four-wheel-drive luxury SUVs. Some markets even classify the G-Class as the Puch G. The first-generation model had several updates between 1990-2018 when the second-generation model entered the market. The current day Mercedes-Benz G-Class is a 5-door SUV with a 9G-Tronic transmission, F4 layout, and is available in both petrol and diesel options.