Wulffen led his battalion during the heavy combats in Northern France and distinguished himself for bravery in action. He was decorated with the highest prussian decoration for bravery, Pour le Mérite on April 21, 1918. Von Wulffen also received both classes of Mecklenburg-Schwerin Military Merit Cross during his service with Grenadier Regiment 89. Von Wulffen was transferred to the staff of Heeresgruppe Boehn under Colonel General Max von Boehn and served as Adjutant until he was promoted to the rank of major in October 1918 and transferred to the same capacity to the staff of XXVI Reserve Corps under General Oskar von Watter. He remained in that capacity until the end of War and retired from the Army on December 31, 1918. Interwar period After the war he worked as a salesman and became involved in right-wing politics by joining the Hamburger Nationalklub, a Hamburg-based group for rightist businessmen. Around this time he also took out membership in the Sturmabteilung and the Nazi Party. In June 1933 he was one of only three men hired by the newly established Office of the Deputy Führer. Here he held the rank of Politischer Leiter, a functionary in the Nazi Party, a rank also held by his co-workers Martin Bormann and . Von Wulffen was also director of Personnel Matters Department within Deputy Führer office. Later switching to the Schutzstaffel he transferred to the staff of the Reichsführer-SS and eventually obtained the Brigadeführer in that organisation. World War II Von Wulffen was recalled to active service at the end of August 1939 with the temporary rank of colonel and attached to the General staff of Ground Army in Berlin. He was subsequently transferred to the Army Ground Training Center in Zossen and held temporary command of the center for almost two weeks. Von Wulffen was subsequently transferred to Potsdam and assumed command of local Army Garrison. He was promoted to the permanent rank of colonel in February 1941. He held this assignment for the duration of the war and was promoted to the rank of Generalmajor in March 1942. Von Wulffen also received both classes of War Merit Cross with swords for his service in that capacity. In April 1945, Von Wulffen assumed command of mixed combat group consisted from units of his garrison and other army units. He was severely wounded during the combats with allied troops and died in field hospital