Mercedes-AMG PETRONAS F1 Team@MercedesAMGF1·FollowUPDATE: We will do a PU swap with Valtteri as a problem with the current unit has been identified. We are swapping in the other PU already in the pool. This will allow us more time to trace the problem outside the car. #HungarianGP #FP19:39 AM · Aug 2, 2019465ReplyCopy linkRead 8 replies