[1] His Baltic-German family owned estates in a size of about 20,000 ha in the Baltic provinces of Russia including the manor of Katzdangen (Kazdanga, Latvia).
[3] He visited school in Riga and studied national economics, History and Philosophy at the Universities of Halle and Heidelberg in 1909–1913.
[3] In 1921-1939 Manteuffel worked at his maternal family estate of Zabłudów near Białystok and was a member of the executive board of the Baltische Arbeitsgemeinschaft (Baltic Committee) in Berlin in 1925–39.
In 1950 he became the President of the Hauptamt für Soforthilfe (Main Office for immediate aid) and chairman of the Deutsch-Baltische Gesellschaft.
In 1953 he was elected a member of the Bundestag, representing the Bavarian CSU, a position he held until his death, and became the head of the Association of Refugee Organisations (Verband der Landsmannschaften) in 1954.