 M'Bom began playing football with Rail FC 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.M'Bom made several appearances for the Cameroon national football team, participating in the 1982 African Cup of Nations finals.