2008 road trek RS adventurous for sale. It has a little over 100,000 miles on the Mercedes diesel engine. The vehicle has always had its mechanical work done at a Mercedes dealer. It has many extras like a stainless steel barbecue that connects to the vehicle’s propane tank, leveling blocks, rear door screen, etc. We also have the cabinets that replace the middle row of seats and sleeping mattresses for small children. We get 17-18 mpg everywhere we go.