Tennis star enjoys one of the perks of his professional standing in test-driving the upcoming Mercedes-Benz supercar.

The 2012 Mercedes-Benz SLS AMG Roadster is not yet available but one of the perks of being a tennis star is that you can get asked to drive one ahead of its showroom launch.

In this video we are privy to Swiss tennis champion Roger Federer's expert opinion on the car (expert by means of being rich enough to afford one).

The surround landscape outside of Dubai here is also worth noting. Yes, you would want to drive on those pristine desert roads, wouldn't you?

The gentleman athlete likely even gets paid for this. But perhaps that's not consolation enough for his loss at the French Open over the weekend.

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