Winnebago 4x4 Revel – Mercedes-Benz Sprinter chassis. The function-fueled design, powered by the reliability of a 3-liter turbo diesel engine and the freedom of on-demand 4WD. Updated battery system in 2026. All new house lithium batteries with app to manage power consumption. The power lift bed allows you to transform your living space into a 140 cu ft. garage. The bed large enough for 2 adults. House heat with heated shower and toilet. On-Demand 4WD with the following safety features make driving this RV a breeze: Low-range electronic stability and traction control Active brake assist Lane-keeping assist Adaptive cruise control Blind spot monitoring Four wheel ABS brakes Navigation All season capable with insulation and the efficient diesel powered heating system allow you to enjoy any outing, all year round.