Changes to compression ratio tests will be introduced in the summer after a lot of focus on Mercedes' new power unit over pre ...

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ahead of the season.

Formula One’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be ...

FIA announces updated 2026 regulations, including new engine testing after Mercedes PU scrutiny, plus a series of rule tweaks ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

Karun Chandhok says Mercedes is playing a “clever game” after Toto Wolff talked up the Red Bull engine ahead of a potential crucial vote on Mercedes’ power unit. The F1 2026 pre-season began on a ...

Hamilton addresses rumors of Mercedes’ technical advantage after day one of preseason Bahrain testing. Concerns raised about Mercedes’ fuel loads, engine modes, and possible compression ratio edge.

Mercedes’ rivals are targeting a change to the engine compression ratio rules ahead of the opening race of the F1 2026 season in Australia, it has emerged. Reports over recent months have claimed that ...