Toto Wolff has sold 15 per cent of his stake in Mercedes to American billionaire George Kurtz.

Wolff will retain his roles as team principal and CEO of the Formula 1 team.

Kurtz is the founder of cybersecurity firm CrowdStrike and joins Mercedes' ownership group. He has also been appointed as their technology advisor.

"Formula 1 is really at an inflection point where it is a thriving business," Kurtz said.

"If you're making an investment like this, you believe that the sport is going to grow, F1 is going to grow and the team valuations are going to grow, and you're going to be able to contribute to that growth."

Kurtz will not be on the main board but will join the team's strategic steering committee, on which Ola Kallenius, the chairman of the management board of the Mercedes Group,

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