Mercedes: Lewis Hamilton knows motorbike selfie was wrong

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Toto Wolff says Lewis Hamilton knows he was wrong to post a video of himself riding a motorbike but insists Mercedes will not interfere with the world champion's off-track behaviour.

In the lead up to this weekend's Australian Grand Prix Hamilton was investigated by New Zealand police for appearing to take a selfie while riding a Harley Davidson. It has been illegal to use a mobile phone while driving a vehicle in New Zealand since 2009 but the investigation was eventually dropped for lack of sufficient evidence.

The incident led to some, including parts of the British media, to question Hamilton's lifestyle and preparation for his title defence, though he subsequently topped all three practice sessions in Melbourne.

Asked about the incident by Sky Sports, Mercedes boss Wolff said: "In hindsight the thing on the motorbike wasn't the right thing to do and he knows that perfectly well."

However, Wolff made it perfectly clear last season he has no problem with Hamilton's colourful off-track lifestyle if he delivers on track -- which he has done at Mercedes with back-to-back world championships. Wolff thinks Hamilton performs better when given the freedom to be himself away from the race track and will not be changing the team's approach to the world champion this season.

"He delivers on track. He wins races and he wins championships. His life seems to suit him and make him perform - and that is why, for me, it is absolutely OK."