2025 Mercedes Benz The Ultimate RV is the only Mercedes-Benz camper van on the market with a rear bathroom, comfortably seating up to 10 people and offering the functionality needed for camping and more. This is the perfect RV for travel, the ultimate family van, and a go-to entertainment vehicle. A "class B" RV is the only option for travelers who want both convenience and comfort. The Ultimate RV drives like a large SUV but has all the amenities of bigger motorhomes. Get the reliability of the Mercedes-Benz Sprinter 3500 chassis, decked out with high-end finishes and features to help live your best life on the road. Vehicle amenities include a shower, toilet, sink, refrigerator, microwave, WiFi, and two TVs. The couch seats transform into a queen size bed that sleeps up to 2 adults and two small children. The Ultimate RV comfortably sits 10 passengers.