various scenes are copied, including Helga being stuck in the grass, like Grassinger in the earlier movie, who was played by Rainer Baselow who starrs in both movies
When Rudi says that the hotel employees might mistake him and Paul for somebody else Paul said that they might mistake them for Fraa Baabich and Fraa Struwwelich, two carneval characters who regularly appear in the carneval show from Mainz