Erika Mann has been a member of the European Parliament since 1994. Ms. Mann is a member of the Committee on International Trade, where she coordinates the position of the European Socialists group. Ms Mann is also a substitute member of the Committee on Industry, External Trade, Research and Energy and the Committee on Budgetary Control.

Ms Mann is the President of the Delegation to the EU/Mexico Joint Parliamentary Committee. Furthermore, she is a substitute member of the Delegation for relations with the United States.