Felix Scheffler was born into a working family. His father was employed as a clerk and his mother worked as a cleaner. After leaving school, between 1930 and 1933 Felix Schaeffler undertook an apprenticeship as a pharmacist in Altona, which at this time was still administratively separate from nearby Hamburg. In 1932/33 Scheffler was a member of the Nazi Sturmabteilung. From 1933 to 1937, Scheffler was a seafarer. From 1937 to 1941, he served as a Sergeant in the German Wehrmacht. Captured by the Soviet Army he was held in captivity from 1941 to 1947. Scheffler joined the National Committee Free Germany in 1943. From 1944 to 1945, he participated in the partisan movement in Belarus. He was part of a special intelligence unit of the German anti-fascists under the name "Group-117", which operated in the Lipichanskoy Forest. This group also included Hugh Bars, Carl Rinagel, and Herbert Geynchke. In 1945 Scheffler fought for the Soviet NKVD against Polish partisans. Scheffler returned to what was left of Germany in November 1947, not returning to Hamburg, but settling in the Soviet occupation zone which was in the process of being transformed into the German Democratic Republic. From 1947 to 1948, he was the directorate secretary for the Socialist Unity Party of Germanyparty school in Kleinmachnow. From 1948 to 1950, he was a member of the Democratic Farmer’s Party of Germany serving as the organizational secretary. He rejoined the SED in 1950. In 1950 Scheffler joined the People’s Police Sea the forerunner of the People's Navy. From 1950 to 1954, he was Deputy Director of the People’s Police Sea command. On October 1, 1952, he was appointed as Konteradmiral. He was appointed as the Chief of the People's Police Sea in 1955, and for a brief period from March 1, 1956 to December 31, 1956, he served as Chief of the People’s Navy. From 1955 to 1975, he served in various leading positions in the People’s Navy. He attended the Soviet Voroshilov Naval Academy in Leningrad from 1957 to 1959. In 1959, he became the Deputy Chief of the People's Navy. He retired from the Volksmarine on March 1, 1975.
