Joachim Lowe's side is the favorite to win Euro 2016, but the former international does not believe success at the tournament is important for the world champion.
Paul Breitner believes Germany should only be judged on its performances at World Cups after it sealed qualification for Euro 2016.
Germany clinched a place at next year's finals in France with a 2-1 win over Georgia in their Group D finale on Sunday.
After winning the World Cup for a fourth time last year, Germany is the favorite to add a fourth European crown to its list of honors with victory next summer.