Common formats include two facing bench seats with a removable table in between, or a permanent raised bed in the back of the van with lots of storage underneath. I’m more interested in a slide out bed design that only needs one bench to work (plenty of seating for 2 people) and lets you maintain a walk through floor plan.
If you’re going to have drawers, you might as well have drawers you can sit on.
Video by SprinterVanDiaries
I found on the Yahoo Groups Sprinter forum some files with internal dimensions for Sprinter vans. This is the one I’m interested in:
Also here as a vector PDF: