Vettel & Rosberg clash over secret F1 test

Nico Rosberg

Germans Sebastian Vettel and Nico Rosberg on Thursday revealed their vastly different opinions about the 'testgate' saga that has gripped formula one.

Mercedes is being hauled before the FIA tribunal to face possible sanctions for breaching the rules about in-season testing, after running its 2013 car during a test with Pirelli recently at Catalunya circuit.

World champion Vettel, whose Red Bull team lodged the original protest together with Ferrari, said Mercedes obviously got an unfair advantage.

"I see it as a critical issue," he told Suddeutsche Zeitung newspaper.

"Each test kilometre is an advantage, and Mercedes had the opportunity to test tyres that we will probably race at Silverstone circuit.

"I think this is an advantage over all the other teams," added the triple world champion.

Monaco winner Rosberg, however - who actually drove at the Barcelona test with his teammate Lewis Hamilton - disagrees, insisting Pirelli had full control of the running.

"We have no say whatsoever -- they (Pirelli) say 'you are doing that, that, that and that' and the engineers that they have run our programme," he told Sky Sports.

"So it is not for us to learn anything or to decide on anything that we do."

Sebastian Vettel

Vettel also scoffed at Pirelli's decision to merely test proposed changes to the tyre design this weekend in Canada, because of the lack of unanimity up and down pitlane.

"The tread completely falls off," said the 25-year-old. "This is a safety risk for all of us.

"That we won't have these (revised) tyres for the race on a fast track like Gilles Villeneuve circuit, for me is inexplicable," added Vettel.

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