How many movies have Axel Triebel and Günter Mehnert collaborated on?

They have worked on 3 movies together! Their first movie together was Im Himmel ist doch Jahrmarkt (1969) while their highest rated movie together was I Will Show You (1972). They have not worked together since … verdammt, ich bin erwachsen (1974). They are most known for their comedy films together.