Perez to fit older-spec Mercedes engine after failure

Perez stopped with a power unit problem in Q2 at Monza and, as investigations continue about what went wrong, the team knows it will need to fit a fresh one in the morning.
A switch to the latest Phase 3 version would require Perez to start from the pitlane at Monza, as it would be classified as a change of car specification, so the team has elected to take a grid penalty instead and commit to ...Keep reading