Still in the forming phase during the looming of the Soviet Vistula–Oder Offensive the staff and the Brandenburg Division were ordered to Poland,[2] while the Division Großdeutschland was detached to Eastern Prussia. Ultimately the corps never fought as a unified body, and during the retreat towards the west its composition steadily changed. When von Saucken was promoted to command the 2nd Army in February he was succeeded by General der Panzertruppe Georg Jauer, who commanded the corps's 20.