Lewis Hamilton says he will "give it absolutely everything" for his final three races with Mercedes after struggling badly in the Sao Paulo Grand Prix.

Seven times Formula One world champion Lewis Hamilton said on Wednesday he had felt like walking away from Mercedes after a tough race in Brazil this month.

Lewis Hamilton has admitted his cryptic post-race radio message in Brazil earlier this month, when he suggested he might have raced for Mercedes “for the last time”, was genuine and that he really did consider sitting out the final three races of the season.