Feb.23 (GMM/Inautonews.com) Top teams and likely title challengers Mercedes and Ferrari will have to modify their cars ahead of the season opener in Melbourne.

That was the claim on Monday of Germany’s Auto Motor und Sport, revealing that the solutions to mount the mandatory television cameras at the front of the respective cars are illegal.

Designers for the teams have shaped the nose-positioned camera mountings aerodynamically, but the FIA has ruled that they are longer than the allowed 15cm.

“FIA race director Charlie Whiting clarified the matter in a letter to the teams”, correspondent Michael Schmidt said, adding that Toro Rosso’s solution at Jerez was also deemed illegal.

“Toro Rosso has already responded and at the first Barcelona test the brackets were attached to the chassis horizontally,” Schmidt added.