Great work David.
Armoured cars are one of my favourites, mostly lots of details with plenty of room for scratchbuilding and add-on interior and exterior.
Will be closely following your built.
Here some interior shots of a 222 but these had enough similarities.
http://members.verizon.net/~vze4zqjs/bl ... terior.htmAnd some great interior shots in this download, type
NICsdkfz222_walk_around in google.
Its looking good.