Article To news overview © Mercedes Red Bull's Dr. Helmut Marko has theorised that the championship fight and pressure from Red Bull is giving Mercedes a reliability headache with their power units. With the two teams nip and tuck in the championship, it's obstensibly Red Bull in the advantageous position heading into the final seven races. This is because the team took an engine grid penalty in Russia, introducing a fourth power unit to their pool, while still managing to salvage a second place finish with Max Verstappen. It's looking increasingly likely that Mercedes will also have to fit Lewis Hamilton out with a fourth power unit, and this would trigger a back of the grid start for...
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