Mabe is a member of the African National Congress and the party's unsuccessful 2016 Mogale City mayoral candidate.
She served as chairperson of the legislature's Select Committee on Women, Children and People with Disabilities.
[3] In June 2016, the ANC nominated her as their mayoral candidate for Mogale City ahead of the 2016 municipal elections.
[6] On 31 August, the Economic Freedom Fighters opened a fraud case against Mabe, because she was sworn in as a councillor despite her failing to resign as a Member of Parliament, as required by the constitution.
[8] She was re-elected in May 2019 and now serves as co-chairperson of the Joint Standing Committee on the Financial Management of Parliament.