Kammala jumla mai zuwa: Häkkinen ya bi wannan ta hanyar ɗaukar podiums a jere a zagaye biyu masu zuwa - na uku a Faransa da na biyu a Burtaniya. Ya gudanar da ƙarin nasarori a jere a zagaye biyu masu zuwa, kuma ya bi wannan tare da kammala na shida a Hungary. A watan Agusta, an sanar da cewa Häkkinen da Coulthard za su ci gaba da kasancewa a 1999. Häkkinen ya yi ritaya daga tseren na gaba da aka gudanar a Belgium lokacin da direban Ferrari Michael Schumacher ya yi karo da Finn kuma direban Sauber Johnny Herbert ya buge shi. Daga baya ya sami matsayi na huɗu a Italiya duk da cewa yana fama da matsalolin birki sakamakon juyawa. Häkkinen ya gama kakar wasa ta hanyar lashe nasara a zagaye na biyu a Grand Prix na Luxembourg da kuma
Gasar Japan, wacce ta tabbatar da cewa ya sami isassun maki don cin nasarar Gasar Cin Kofin Duniya ta 1998, tare da maki 100, a gaban abokin hamayyarsa Schumacher. An ba Häkkinen lambar yabo ta Autosport International Racing Driver Award a shekarar 1998. Har ila yau, 'yan jarida sun kira shi Dan wasan Finland na Shekara. Ofishin gidan waya na Finnish ya ba da hatimi don tunawa da Gasar Duniya ta Häkkinen a watan Janairun 1999.