Mercedes Formula 1 team principal Toto Wolff has called on rival power unit manufacturers to "just get your s*** together" after they voiced complaints to the FIA on Mercedes' interpretation of the regulations.<br>The 2026 power unit regulations prescribe an engine compression ratio of 16:1, down from 18:1 last year. That compression ratio has always been measured at ambient temperatures when the ...<a class='more' href='https://www.autosport.com/f1/news/toto-wolff-on-mercedes-f1-rivals-engine-complaints-get-your-sht-together/10794684/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>