Career
Zahnleiter played from 1974 until 1976 at AEK Athens Football Club in Greece and from 1979 until 1981 for Wormatia Worms in the 2. Bundesliga. 1983-1984 he had his first managing stint for Darmstadt 98 in the 2. Liga. Foreign half a season (1986/87) he was manager of Eintracht Frankfurt.
This was his only job as a Bundesliga manager.
Amongst others he managed Rot-Weiß Walldorf. He last managed Landesliga team VfR Seckenheim.