THE FIA has proposed a mid-season rule change after arguments over the legality of Mercedes’ engine ahead of the 2026 campaign.The issue, which centres around compression ratio limits, has dominated talk during pre-season with rival manufacturers Ferrari, Red Bull, Honda and Audi suggesting Mercedes had found a loophole which allowed them to deliver a higher limit when their engine is at operating temperature.Mercedes boss Toto Wolff admitted ahead of a meeting in Bahrain today that he was confused as to how it had become such a big talking point.

THE FIA has proposed a mid-season rule change after arguments over the legality of Mercedes’ engine ahead of the 2026 campaign.

The issue, which centres around compression ratio limits, has dominated talk during pre-season with rival manufacturers Ferrari, Red Bull, Honda and Audi suggesting Mercedes had found a loophole which allowed them to deliver a higher limit when their engine is at operating temperature.

Mercedes boss Toto Wolff admitted ahead of a meeting in Bahrain today that he was confused as to how it had become such a big talking point.

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