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Mercedes SLS Roadster

Convertible version of the Mercedes SLS Gullwing supercar is spied out testing

The Mercedes SLS Gullwing hasn’t yet had its official reveal to the world, yet a roadster version’s already in the offing. These spy shots reveal a drop-top version of the SLS AMG supercar out testing in the USA, although unsurprisingly the gullwing doors have been eschewed in favour of more regular openings.

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That’s due to the use of a canvas roof that the car will doubtless get to aid weight and dynamics compared to a folding hard-top. Roof and doors aside, though, styling is set to be broadly similar to that of the coupe. That means a striking front end, with gaping grille and large three-pointed star, and Nissan GT-R-esque front lights. There’s the same long bonnet which houses the front mid-mounted engine.

It’s a 6.2-litre V8 unit producing a potent 564bhp (at 6800rpm), and thanks to a hefty weight cut over the outgoing SLR McLaren, performance should be rather good – initial acceleration claims stand at 3.8sec 0-62mph and 12sec to 124mph. The coupe’s top speed is 196mph, but is electronically limited – suggesting the roadster could top out at the same speed.

Dynamics should be good, too – the coupe SLS gets a 48/52 front/rear weight distribution as well as rear-wheel drive. The coupe gets its big unveil at September’s Frankfurt motor show, with sales beginning in early 2010, with a price kick off of around £150,000, putting it directly in the firing line of the Lamborghini LP560-4 and Ferrari’s F430-replacing F450.

Expect the SLS Roadster to follow a year later, priced around £175K.

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