Felgentreu first became member of the Bundestag in the
2013 German federal election, representing the constituency of
Berlin-Neukölln. Throughout his time in parliament, he was a member of the Defense Committee. From 2014 until 2017, he also served on the Committee on Family Affairs, Senior Citizens, Women and Youth, where he was his parliamentary group's
rapporteur on
alimony. In the negotiations to form a
coalition government under the leadership of
Chancellor Angela Merkel following the
2017 federal elections, Felgentreu was part of the working group on foreign policy, led by
Ursula von der Leyen,
Gerd Müller and
Sigmar Gabriel. From 2018 until 2020, he served as his parliamentary group's spokesperson on defense policy; he resigned after his parliamentary group, contrary to his own recommendation, voted against the government's plans to procure armed combat drones for military use. In June 2020, Felgentreu announced that he would not stand in the
2021 federal elections but instead resign from active politics by the end of the parliamentary term. == Other activities ==