Tulis a continuation for this paragraph - Dina FIL Éropa Luge Championships, Gruber meunang salapan medali jeung dua emas (doubles Lalaki: 2008, 2014), opat pérak (doubles Lalaki: 2004
; Tim campuran: 2004, 2006, 2013), sarta tilu perunggu (doubles Lalaki: 2006; Tim campuran: 2012, 2014).