M'Bom began playing football with RailFC of Douala in 1973 as an attacking player. He would move to left back in 1975, and play as a defender for Eclair Douala, Léoprad Douala, Canon Yaoundé and Dragon Yaoundé until he retired in 1989. Nicknamed Wire due to his slender build, he won five league titles with Canon as well as two Champions Cups and a Cup Winners Cup.