Ross Brawn has insisted Mercedes have a "blemish-free" record, despite his team being reprimanded for taking part in a controversial Pirelli tyre test.
Mercedes took part in a 1,000km trial organised by manufacturer Pirelli, ignoring rules that prevent in-season testing with a team's current car.
As punishment the FIA have banned the team from this year's young driver test.
But a defiant Brawn told Sky Sports News: "We have a blemish-free record here and it was very important to Mercedes that the facts of this case were understood.
"It does sometimes strengthen your resolve rather than weaken it but now it's cleared away we can concentrate on the rest of the year."
The Northamptonshire-based team have so far denied blame in the scandal, insisting they had not benefited from any of the data gathered and that they had the permission of FIA race director Charlie Whiting to use their 2013 car.
They have claimed the reason for taking part in the test, in which senior drivers Lewis Hamilton and Nico Rosberg both took part, was primarily to assist Pirelli in resolving tyre safety issues.
The FIA have accepted that neither Pirelli nor Mercedes acted in bad faith and the sport's governing body has said it hopes "lessons are learnt from this case and from the decision handed down."
Mercedes team principal Brawn agrees that rules regarding in-season testing require more clarity.
"We all need to look at the process. It's clear the process went wrong," said Brawn. "We need to make sure we find ways of stopping these things in the future.
"We had reason to believe we had permission to do that test and from that perspective were happy.
"Obviously things have gone wrong and we have received penalties, we understand that and we accept it."
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