How many movies have Erich Kleiber and Peter Steiner acted in together?

They have worked on 4 movies together! Their first movie together was Liebesgrüße aus der Lederhose (1973) and was their highest rated movie together. They have not worked together since Liebesgrüße aus der Lederhose 5. Teil: Die Bruchpiloten vom Königssee (1978). They are most known for their comedy films together.