This is my brother-in-law's van, and I've had the opportunity to drive it several times. It drives great and the owner-added camping elements are well designed and finished with high quality. This is the pre-Bluetec diesel V6 which has been super reliable.
https://inlandempire.craigslist.org/cto/d/2008-sprinter-adventure-van/6570171528.html
https://inlandempire.craigslist.org/cto/d/2008-sprinter-adventure-van/6570171528.html