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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.

Mercedes-AMG considering turbo fours, hybrid sixes for future performance sedans

Think of the letters AMG and you'll probably end up picturing a performance sedan with a big V8. Such has become, after all, the Mercedes turning division's calling card. But with the introduction of its 2.0-liter turbo four, AMG is working at turning that notion on its head.
The highly potent engine produces 355 horsepower and is presently installed in the A45 AMG hatchback, CLA45 AMG sedan and GLA45 AMG crossover, giving Benz's smallest family a full range of performance models. But that might not be the full extent of the high-strung four-pot's use.
Speaking with AMG boss Tobias Moers, Britain's What Car? magazine reports that Affalterbach is considering slotting the same engine into larger models, particularly performance sedans like the C-Class. As we recently reported, Mercedes is already preparing to up the power from the turbo V6 in the C400 to slot a C450 Sport in below the C63 AMG. The C450 is expected to offer around 367 horsepower where the CLA45 AMG et al pack 355, but the lighter weight of the four-cylinder engine would likely offset the truancy of those extra dozen horses. Of course such a prospect would be much further down the pipeline than the C450 Sport which is expected to arrive much sooner.

Mercedes S-Class Cabrio caught nearly naked

The new Mercedes-Benz S-Class is a handsome car, and its new two-door variant is positively dashing. Considering that, did you really think Mercedes would shake things up when it finally came time to drop the top on its flagship luxury model? Nope, neither did we. This is the S-Class Cabriolet, and from the beltline down, it's basically the same fixed-roof car we tested back in October – same grille, same headlights, same twin character lines in the profile. This is not a bad thing. We're betting it'll wear very similar taillights to the S-Class Coupe, although it's difficult to tell on the more heavily camo'd example of the luxurious droptop. Differences, meanwhile, are kept to the absolute minimum. The windshield looks more aggressively raked, and the inclusion of a canvas roof has softened the Coupe's svelte profile, but other than that, there aren't many changes at all. Expect the S-Class Sedan and Coupe's engine lineup to inform the powertrain strategy for the Cabriolet, meaning a base S550 with a 4.7-liter, twin-turbocharged V8. It's unclear if AMG variants will be offered, although we wouldn't bet against it. Our spies report that the S-Class Cabrio will saunter into dealers later this year, eager to steal the lunch money of the aging BMW 6 Series Convertible. We're betting on a European auto show debut, so keep an eye open at the upcoming Geneva Motor Show. If not there, Frankfurt seems like a likely destination for the new droptop.