Mercedes-Benz X Class CDI Progressive Full wide arch body kit GT Grille Side Cladding Rear Cladding Bonnet Protector As a Euro 6 emission class vehicle, this X Class is kinder to the environment. With fuel consumption of 36 miles per gallon and CO2 emissions of 207 grams per kilometre, this van offers a compelling balance of performance and environmental consideration. Furthermore, its impressive towing capacity of 3500 kg makes it a practical choice for those needing to haul heavy loads.