Mikael Grenier led a Mercedes-AMG sweep of the top four positions in Pre-Qualifying for the Indy 8 Hour.
Grenier, in the No. 34 Mercedes-AMG GT3 Evo, achieved a best lap of 1:23.265, edging out Will Power in the No. 75 Mercedes-AMG by 0.126 seconds.
The No. 04 CrowdStrike by Riley Mercedes-AMG rebounded from gearbox issues in Free Practice.
Author's summary: Mercedes-AMG sweeps top four positions.