Article To news overview © Mercedes Mercedes' Toto Wolff isn't ruling out the possibility that Lewis Hamilton will need to take another engine between now and the end of the season, which would trigger another grid penalty. Hamilton took a grid penalty at the Turkish Grand Prix last time out, with the Internal Combustion Engine appearing to be the weak point in the Mercedes power unit. Valtteri Bottas has taken a grid penalty for this weekend's United States Grand Prix, as he's been fitted with a sixth ICE for the season. Just three are permitted for the entire year. Despite how new and fresh Hamilton's ICE is right now, Wolff said it's not guaranteed he'll make the end of the season...
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