Things aren't quite running smoothly for Mercedes when it comes to their reliability. Valtteri Bottas will start the race again with a grid penalty after changing his internal combustion engine (ICE), which also leaves Lewis Hamilton uncertain about the reliability of his components. Team boss Toto Wolff denies the problems have arisen following the departure of a key leader. Bottas is already grabbing his sixth ICE of the season and Mercedes cannot guarantee that Hamilton will make it to the end of the season without changing to his fifth internal combustion engine. Mercedes can't take any chances, as a retirement for the Briton will have major consequences for the championship. Andy...
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