Lando Norris says his troublesome Mercedes power unit from the Bahrain Grand Prix is 'finished'. The McLaren driver finished the Bahrain event in 17th and last place after having to manage a pneumatic pressure leak that forced him to pit five times. Ahead of the 2023 season's second Grand Prix, in Saudi Arabia, McLaren have elected to replace Norris' internal combustion engine, turbocharger, MGU-H, MGU-K and exhaust system. "I took a whole new engine, because the other one's finished already," said Norris. Despite swapping in an entirely new engine, Norris has not incurred a grid penalty as he remains within…
