Sebastian Vettel will start his championship fightback from the second row after Lewis Hamilton blitzed pole.
Ferrari has seven races to overhaul Mercedes for the 2018 championship.
Giving teams a third car to race would open F1 to a world of problems.
Lewis Hamilton took a commanding lead in the title standings after Vettel crashed on the first lap.
Lewis Hamilton has seized a 30-point championship lead after a first-lap crash with Sebastian Vettel.
Lewis Hamilton is poised to extend his championship lead with a pole position start at the Belgian Grand Prix.
How have the frontrunners fared in F1 in 2018?
Rain saved Lewis Hamilton in Hungary and delivered him a boosted title lead to boot
Lewis Hamilton will take a 24-point lead into the summer break.
Mercedes captured an unlikely front-row lockout in wet Hungarian Grand Prix qualifying.