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Mercedes-AMG Faces FIA Scrutiny Over Controversial Engine Loophole

2/13/2026

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Summary

Story summary

Mercedes-AMG Petronas Formula One Team faces scrutiny after exploiting a loophole allowing 18:1 compression ratio under hot conditions, above a 16:1 ambient limit.
Rivals Ferrari, Audi, Honda, and Red Bull Powertrains lobby the Fédération Internationale de l'Automobile (FIA) to change regulations.
The imminent vote could affect Mercedes and its customer teams ahead of the Melbourne season opener.

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Story summary

Mercedes-AMG Petronas Formula One Team faces scrutiny after exploiting a loophole allowing 18:1 compression ratio under hot conditions, above a 16:1 ambient limit.
Rivals Ferrari, Audi, Honda, and Red Bull Powertrains lobby the Fédération Internationale de l'Automobile (FIA) to change regulations.
The imminent vote could affect Mercedes and its customer teams ahead of the Melbourne season opener.