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2014 Mercedes-Benz SLS AMG Black Series [w/video]

The biggest misconception about the Mercedes-Benz SLS AMG Black Series is that it's simply a higher-performing version of the SLS GT - a closer look, or better yet, a few hot laps on a high-speed racing circuit, reveals that is anything but the case.
Launched in the States in mid-2011, the standard SLS GT is a 583-horsepower, all-aluminum, gull-wing coupe with performance that positions it near the top of the exotic segment. While the AMG team at Mercedes-Benz could have left it alone, their experience with the SLS AMG GT3 race car said there was room for improvement, so they devised the SLS Black Series. The transformation from SLS GT to SLS Black Series is extensive, with no fewer than 17 different significant enhancements.
The engine mapping, crankshaft, connecting rods, valve-train, intake, exhaust and cooling are all modified and the engine's redline bumps up from 7,200 to 8,000 rpm, which pushes output of the hand-built 6.3-liter V8 to 622 horsepower. The power steering receives a new ratio, a coil-over AMG Adaptive Performance suspension is installed along with underbody braces, the track is widened, two-piece carbon-ceramic brakes replace iron rotors at each corner and a lightweight titanium exhaust is fitted beneath. The AMG Speedshift seven-speed dual-clutch gearbox is modified and an electronically controlled AMG rear differential lock ensures the power goes to the pavement. Last on the mechanical upgrades are new lightweight forged wheels (10x19 inches front and 12x20 inches rear) wrapped in special R-compound Michelin Pilot Sport Cup tires.

Chris Harris and David Coulthard wring out a Mercedes Fintail at the N"urburgring

If there's one thing we've learned from the latest video from Drive, it's that the combination of Chris Harris and David Coulthard will produce some very quotable moments. Take this exchange, for example.
DC: "We are by some way the slowest."
CH: "But we're in a class of three cars, apparently."

XCAR marks 20-year anniversary of Senna's passing with Mercedes 190E Cosworth

While the automotive world is focusing on the twentieth anniversary of Ayrton Senna's death, there was much, much more to the legendary driver than his untimely passing at the 1994 San Marino Grand Prix.
XCAR has the story of a younger Senna, who, by a stroke of luck, found himself matched up against a veritable dream team of nine Formula One champions, not to mention a cadre of German touring car aces. A "probably still pissed (drunk)" James Hunt, hard-driving Niki Lauda and future champion and rival Alain Prost, were in attendance for the one-off, spec race, which was put on by Mercedes-Benz, in honor of the opening of the Nürburgring's Grand Prix circuit. And Senna was on hand with the explicit goal of besting them all.
Each driver was handed a lightly modified, but brand-new 190E 2.3-16 Cosworth, a car that can best be though of as the distant ancestor of the lovable C63 AMG. As for the race itself, well, it was sort of like an introduction of what the sport could come to expect from the Brazilian.