DKW 3=6 ('55 - '59) or AU 1000 ('59) with Telefunken car radio.
Edit: I also would have named the typewriter first. It comes from Keller und Knappich, Augsburg (KUKA) and could, if the worst came to the worst, be disposed of with a KUKA superstructure. They also manufactured superstructures for refuse collection vehicles.