Unimog becomes an Off Road Class C

Good luck getting up into the cab of that thing if your knees, hips, or feet don't work like a 30-something's do ... or if you're trying to get up into it carrying something in one hand like a 7 lb. dog.

There's a couple of ways of going off-highway in a practical & comfortable RV - one of them is to go slow and smart. An extreme rig is not always necessary - even if one could afford one.