David Coulthard blasted McLaren's Juan Pablo Montoya's [Images] 'disgusting' driving on Saturday after accusing the Colombian of impeding him in British Grand Prix qualifying.

"It is disgusting the way he drives, it is not the mark of a man and I think it's unacceptable," the Scot told reporters at Silverstone, his home circuit.

"It is all a matter of education and some people have reached their max and cannot learn any more. The stewards are the only people that will change it," added the Red Bull driver.

Race stewards called both men and their team managers for a hearing but said in a statement that on the basis of data evidence and time sheets they had decided the matter required no further action.

Coulthard, who missed the cut for the final session and qualified 11th, said Montoya had driven slowly to prevent him from starting his fast lap normally.

"The rules are clear: you are not allowed to impede another driver," added the 35-year-old.

"His default setting is to behave in a bad way and the only way to communicate with someone like that is to use the same language."

Montoya, last year's winner at Silverstone but still seeking his first victory of 2006 with his future at the Mercedes-powered team in doubt, qualified eighth. Team mate Kimi Raikkonen [Images] was second fastest.

McLaren boss Ron Dennis gave Coulthard, his former driver and British race winner who was replaced by Montoya at the end of 2004, short shrift.

He compared the Scot's words on Friday in defence of Ferrari's [Images] Michael Schumacher [Images], who was stripped of pole in Monaco qualifying two weeks ago for preventing rivals from beating his best time, with those a day later.

"I'm just so surprised at David's outburst," he told reporters.

"One minute he's leading a charge on 'we have to be supportive of everybody and everybody makes mistakes' and yet a few hours later he's got a contrary opinion when it affects him.

"I don't know what data is available," added Dennis. "I heard nothing on our radios or anything that made me believe that anything significant had been done to interrupt either of their pace."

• Formula One coverage