Wolff revealed he had to use an “iron fist” to manage his two drivers. The turbulent period at Mercedes has informed Wolff’s decision-making process in choosing teammates for Hamilton and will play a part in the makeup of the team in future. The team principal, who joined Mercedes in 2013, issued an unequivocal warning to his drivers. He was replaced at Mercedes by Valtteri Bottas, with whom Hamilton has a friendly relationship and over whom he has enjoyed a clear advantage on track. Wolff was clear, though, that any decision would be informed by the likely dynamic between prospective teammates. Schumacher came out of retirement to drive for Mercedes in 2010 and was with them until 2012.

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