McLaren’s switch from a Renault to a Mercedes power unit supply in 2021 is a logical next-step in the team’s progression, says boss Andreas Seidl. Originally with Mercedes at the start of the turbo-hybrid power unit era in 2014, the Woking outfit made an ill-fated switch to a works deal with Honda in 2015 before […] The post Seidl: There’s a reason we’re switching to Mercedes power appeared first on GRAND PRIX 247.