Kammala jumla mai zuwa: An nada Wietersheim kwamandan rundunar bindigogi ta 1st Panzer-Division a ranar 20 ga Yuli 1941, wanda ya shiga cikin mamayewar Tarayyar Soviet, Operation Barbarossa. Rukunin Panzer na 1 ya kasance ƙarƙashin Panzer Group 4 a ƙarƙashin jagorancin Janar Erich Hoepner wanda ke aiki a yankin arewacin Gabas ta Gabas. A ƙarshen 1944, Wietersheim yana kudancin Faransa, yana umurni da 11th Panzer Division yayin da yake fuskantar Allied amphibious
sauka a kusa da Toulon da Nice. Wietersheim ya mika wuya ga Rundunar Sojojin Amurka ta 90 a watan Mayu 1945, a Czechoslovakia kusa da iyakar Bavaria.