He formed the first ‘Congolese’ sibling pair in the Belgian national team his brother Emile, although they were hardly ever on the field together. Mbo was a Red Devil for ten years and a fixture with Aimé Anthuenis. He was vice-captain with Eric Deflandre for captain Bart Goor. He played the European Championship in 2000 and the 1998 and 2002 World Cup.