Why McLaren had to withdraw both cars before start of Chinese GP McLaren’s withdrawal of both cars from the start of the Chinese Grand Prix was down to two separate electrical problems with their Mercedes engines.Oscar Piastri and Lando Norris were due to start the Shanghai race fifth and sixth on the grid.McLaren discovered an electrical issue with Piastri’s engine on the grid and had to move it to the garage before the start of the race after failing to resol... Read more: https://www.the-race.com/formula-1/why-mclaren-had-to-wit…