I am in the same boat. I got a used comcast ford van free with my last purchase of of an S class from the local MB dealer. Its now too small for my needs. I need something that can also hold 150" aircrafts.

I have a car garage that is 10' high and 10' wide and 22' long. Trailers out of the way as they are too much trouble for me. Looking at the MB sprinters but want to maximize the size.

I have about 260" of length, and 115" height and width.

The 144" wheelbase is 233.3" X 95.5 X 108.6~ 113.5) (it fits but I want to maximize and get something bigger)

170" wheelbase is too big ( 274" X 95.5 X 108.6~ 113.5).

Ford can be considered. Any others - not too sure. Any suggestions.