- Period:
 - Second World War (1939-1945)
 - Rank:
  - Oberleutnant der Reserve (1st Lieutenant of Reserves)
 - Unit:
  - Chef 1./Grenadier-Regiment 446 
 - Awarded on:
  - February 23rd, 1944
 
Awarded for his achievements in the battle near Wetka (6 km north of Gomel) in the time period 12.10.-25.11.1943. Here Müller and his Kompanie succeeded in crushing all Soviet breakthrough attempts in their sector, albeit with heavy losses.