Mercedes trackside engineering director Andrew Shovlin has revealed the reason for the power unit change on Valtteri Bottas’ car.


  • Mercedes detected a power unit problem in FP1 at Monza.
  • The team had no time for proper examination, so they decided to change the power unit ahead of qualifying.

What he had to say:

  • “Unfortunately, we noticed an issue with Valtteri’s power unit towards the end of the morning session and we didn’t have endless time to investigate so we decided to take a new power unit whilst there was still time to change it.
  • “The crew did a great job making sure the car was back together for qualifying. That’s going to mean Valtteri starts from the back on Sunday but it’s great that we’ve got both cars on the front row [for Sprint Qualifying].”

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