Melbourne have lost patience with potential captain Brock McLean, banning him from the AFL club's leadership group indefinitely for a speeding fine.

The 21-year-old midfielder was apparently driving the same V8 utility that had him in hot water earlier this year.

It is understood McLean could lose his licence because of the booking, which happened on the way back from a practice match last Friday against the Western Bulldogs in Bendigo.

It's understood McLean was booked in a 100km/h zone, although it is unclear what speed he was travelling.

"This is very disappointing for Brock, he is a highly valued member of the club and his training form has been excellent," football manager Chris Connolly said in a statement.

"He is seen by the match committee to have outstanding leadership qualities, however this behaviour was deemed by his peers to be unacceptable."

McLean has had an eventful off-season - he was involved in bar-room incidents in Greece and Germany last year during a holiday.

Earlier this year, he had to park his ute outside Trinity College in suburban Bulleen, where the club was training.

McLean's car was banned from the carpark because he had done a "burnout" there that was apparently visible several days later.

Only last Sunday, new coach Dean Bailey told fans at the club's family day that the players had to behave themselves away from the field, calling their responsibilities "a 24/7 thing".

Last month, McLean was quoted as saying the burnout incident was "stupid" and Bailey had told him to start thinking like he was captain of the club.

"Dean sat me down and said with everything you do, you've just got to ask yourself `if you were captain of the Melbourne Football Club, would you do this'?" McLean said in a newspaper interview.

"He said you have to ask `how is this going to affect the club? How is this going to affect the group? How is this going to affect you'?"

McLean, who has played 61 games since his 2004 debut, has been regarded as the most likely successor to long-time Demons captain David Neitz.

McLean will be available for Saturday's practice match against North Melbourne at Casey Fields.

Earlier this year, Geelong star Steve Johnson was clocked at 128km/h in a 50km/h zone and lost his licence.

Last week, Carlton full-forward Brendan Fevola told the club he had been booked for exceeding the 40km/h limit in a school zone by about 20km/h.

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