The Numberplate AW 25 shows that the car comes from the American Sector of Germany. AW stand for American Würthenberg which is the area around Stuttgart - 25 is the district of Aalen, a small city in the north of Ulm, east of Stuttgart.
At the city of Lorch, which is in this sector, there exist one 1949 Hebmüller in the private collection of a Philitntarist, who is a famous expert for Maybach cars. He also owns all kinds of cars, Volkswagen built for the Wehrmacht, which he had in his collection in a time, when nobody was interested in vintage VWs. Maybe it is his car...