George Russell says a "serious issue" with the straight-line performance of his Mercedes is making his title fight with Kimi Antonelli "impossible".

Russell 'infuriated' by straight-line issue that leaves him 'powerless'

George Russell believes he could be in for a tough Belgian Grand Prix with his ongoing mysterious issue.

George Russell to 'endure pain' of mysterious Mercedes issue after investigations

George Russell expressed frustration over a "serious issue" with his Mercedes' straight-line performance, stating it renders his title fight with Kimi Antonelli "impossible.

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