The Leisure Unitys Mercedes-Benz 3500 Sprinter Chassis, an impressive feat of German Engineering, is the perfect fit for the Camper. Luxe RVs Mercedes Leisure Unity takes full advantage of this german accomplishment and puts it into action. Above all, the Leisure Unity has a 3L V6 BlueTEC diesel engine under the hood, so youll enjoy a smooth yet surprisingly powerful ride. The Camper also has a great fuel economy estimated at 15-19MPG. Enjoy the beautiful drive in your luxurious RV!