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Hennessey tunes Chevrolet SS to 1,000 hp

Forget the Camaro Z/28 for a minute: Hennessey is offering performance packages for the Chevrolet SS that boost the car from from a not-unreasonable 475 hp to the "there's-just-no-way" 1,000 hp. That's right, Hennessey Performance saw a gap in the market for rear-wheel drive domestic sedans with 1,000 hp on tap, and like any smart business, went for it. In fact, we don't know why this niche hasn't been filled until now.

Upcoming Mercedes-Benz MLC-class spied testing

Just a few weeks after the debut of the Mercedes-Benz MLC in concept form, prototypes have been spotted testing in Colorado earlier this month. The MLC is meant to offer packaging similar to the BMW X6, combining the SUV shape of the ML with a more coupe-like exterior design. The MLC will make its public debut at the Moscow International Motor Show in August of this year, a location that is perhaps indicative of the target audience for this upcoming crossover.

Official: Mercedes SLS AMG Black Series

The new Mercedes-Benz SLS AMG Black Series has been revealed ahead of going on sale in the Summer of 2013. The SLS Black Series gets the usual mix for a Mercedes Black Series model – more power and less weight – and uses the same 6.2 litre V8 as the regular SLS but with the wick turned up to 622 horses from the regular, but hardly wanting, 583 thanks to a new air intake, cams, boost tweaks and better cooling. The oily tweaks for more power – and some weight shedding (70kg) – means the SLS Black can get to 62mph in 3.6 seconds – 0.2 seconds quicker than the regular SLS – and top out at 196mph (due to the extra downforce).