Toto Wolff admitted 'unusual noises' have been coming from Mercedes power units when their mileage increases significantly. Lewis Hamilton took a 10-place grid penalty in Turkey for having his internal combustion engine (ICE) changed – which Wolff revealed is the source of the 'noises', when wear becomes a factor on the power units. While Hamilton now has a new ICE available to him for the rest of this season, the Mercedes team principal said the issues in that component are still yet to be understood. With an engine freeze coming in 2022, that adds pressure on the team to rectify the issue they face before then, but he said they're working on a solution in good time – but not...
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