| Youth DFB-Pokal 2012/2013 - Appearances as Referee |  |
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| 10/03/2013 | 1. FC Kaiserslautern | - | Werder Bremen | 5:1 | - | - | - |
| Youth DFB-Pokal 2012/2013 - Appearances as Referee | |
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| 10/03/2013 | 1. FC Kaiserslautern | - | Werder Bremen | 5:1 | - | - | - |
| Complete name: | Mario Heller |
| Born: | 24/03/1989 |
| Place of birth: |
Germany |
| Residence: | Köln |
| Nationality: |
Germany |
| Club: | SV Westhoven-Ensen 1931 |