McLaren uncovers twin Mercedes battery faults that stalled Norris and Piastri in China
McLaren confirms two separate Mercedes HPP battery faults crashed Norris and Piastri out of the Chinese Grand Prix: Norris’s unit was software-bricked and deemed permanently damaged, while Piastri’s fault was a hardware issue with an auxiliary connector—both electrical-side problems prompting a double non-start as McLaren and Mercedes investigate the root causes ahead of Suzuka.