Inspired by the automotive industry, the Serenity’s curved fiberglass body construction is designed for strength and durability. Built on the Mercedes Sprinter Cab Chassis, the sleek aerodynamic exterior lines diminish wind noise and boost fuel economy. The end result is one of the most beautiful and unique Class B+ RVs on the road today. Sleeps and travel for 4. It has every conceivable luxury item for a high-end RV like this and is easy to drive and parks most anywhere. We keep it in pristine condition and maintain it for the best possible experience for our renters.