Niki Lauda has had a go at McLaren and Ferrari for designing "s**t" cars that cannot rival the Mercedes W05.
Mercedes have dominated this year's Championship, winning nine of ten grands prix including six 1-2 results.
While Mercedes have been racing away with the titles, Ferrari president Luca di Montezemolo has been complaining about the F1 rules and the general state of play.
And although McLaren have not joined in, Lauda has still had a go at them for failing to produce a car to rival the Mercedes even though it is powered by the same engine.
"McLaren have the same engine as us and the car is s**t," he told El Pais.
"Where are they? Nowhere.
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