Rubuta ci gaba don wannan sakin layi - A cikin 1990, tare da abokan hamayyarsa na Formula Three Heinz-Harald Frentzen da Karl Wendlinger, ya shiga shirin tseren matasa na Mercedes a Gasar Wasanni ta Duniya. Wannan baƙon abu ne ga matashin direba: yawancin mutanen zamanin Schumacher sun yi gasa a cikin Formula 3000 akan hanyar zuwa Formula One. Koyaya, Weber ya shawarci Schumacher cewa kasancewa cikin haɗuwa da taron manema labarai na ƙwararru da tuka motoci masu ƙarfi a tseren nesa zai taimaka wa aikinsa. A cikin shekarar 1990 na gasar cin kofin duniya na wasanni, Schumacher ya lashe wasan karshe a Autódromo Hermanos Rodríguez a cikin Sauber <unk> Mercedes C11, kuma ya gama na biyar a gasar zakarun duniya duk da cewa ya yi tuƙi a uku daga cikin tsere tara. Ya ci gaba da kasancewa tare da ƙungiyar a cikin gasar cin kofin duniya ta 1991, ya sake cin nasara a tseren karshe na kakar a Autopolis a Japan tare da Sauber <unk> Mercedes-Benz C291, wanda ya kai ga kammala na tara a gasar zakarun Turai. Ya kuma yi gasa a Le Mans a wannan kakar
, ya gama na biyar a cikin motar da aka raba tare da Wendlinger da Fritz Kreutzpointner. A cikin 1991, ya yi gasa a tsere guda a Gasar Tsere ta 3000 ta Japan, inda ya zama na biyu.