That may not sound like much but it can be the difference between squeezing into a regular parking spot or having to find two in a row. 2015 Roadtrek RS Adventurous Brand New 2015 Model! the RS-Adventurous combines legendary Mercedes-Benz engineering with the ingenious RV design creativity you ve come to expect from Roadtrek. Based on the 170 inch wheelbase "regular" Sprinter van it's 16 inches shorter than the extended version some other manufacturers use. RV - Class B Class B 6636 PSN ...