He is an independent aligned with BN after leaving as a member, State Chairman of Johor and Division Chairman of Tebrau of the Malaysian United Indigenous Party (BERSATU), a component party of the Perikatan Nasional (PN) and previously PH coalitions.
He was later appointed as an EXCO member in the new PH state administration by new Menteri Besar Osman Sapian.
[1][2] Sahruddin dropped and did not reappoint Mazlan as an EXCO member in his state administration after he took over as Johor Menteri Besar in April 2019.
[5] On 27 January 2022, he announced that he resigned as Division Chairman of BERSATU of Tebrau and himself as well as 23 Tebrau BERSATU branch chairmen and action committee members decided to leave the party and throw their support behind Barisan Nasional (BN) and the leadership of Menteri Besar of Johor Hasni Mohammad with immediate effect to "give way to a more stable political environment and for the betterment of the Johor people in general".
[6][7] He also claimed that he would carry on to serve the people without a political position and failure of the two previous Menteris Besar from Pakatan Harapan (PH) to lead the Johor state administration and the failure of both parties to nominate a better Johor Menteri Besar candidate as well as he felt disrespected of his removal as Johor BERSATU Chairman and the action of Muhyiddin of not sending any representative to the meetings he had chaired even though Muhyiddin had signed his promotion letter as the reasons as well.