Mercedes Engine
Mercedes warns of uncertainty if FIA changes engine rules
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During pre-season testing in Bahrain, Mercedes team principal Toto Wolff expressed concern that his team would face challenges if the FIA adjusts compression ratio checks for the 2026 Formula 1 season. Rivals are pushing for changes to measurement procedures, arguing that Mercedes engines exceed the 16:1 limit on track despite complying in static tests. Wolff emphasized that all Mercedes engines are fully legal and rejected any plans for legal action.
The FIA is seeking a vote from Formula 1 manufacturers on clarifying the 2026 engine compression ratio rules amid concerns over Mercedes' design. Mercedes team principal Toto Wolff described the controversy as a 'storm in a teacup,' emphasizing that his team kept the governing body informed throughout development. The proposed change would introduce an additional measurement at operating temperature if approved.