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Mercedes-AMG C63 Coupe caught on a presentation slide

The Internet can define the word "patience," but the Internet doesn't have any. The Mercedes-AMG C63 Coupe is slated for reveal in just a few days and it's been teased by the company, but we now have our first look at the real thing thanks to some sneaky camera technique during a presentation. Someone photographed two slides showing the coming Affalterbach coupe from the front three-quarter view and the rear. The C-Class coupe was just officially unveiled several days ago and It's not like we don't know the formula for this, but we still think this is a good looking sharpening of the coupe shape. Assuming the usual AMG model bifurcation, there will be a standard AMG C63 Coupe with a twin-turbo 4.0-liter V8 putting out 469 horsepower and 479 pound-feet of torque, and an S model with 503 hp and 516 lb-ft, both working through a seven-speed transmission. In addition to its greater power, the S gets a higher top speed. In a couple of days we'll have the rest of info and a lengthy press release.

Mercedes-Benz Concept IAA is a modern silver aero

While we English-speaking folk call it the Frankfurt Motor Show, our German friends call this week's bi-annual confab the Internationale Automobil-Ausstellung, or IAA. At first glance, then, you might think Mercedes-Benz named its Frankfurt concept, the Concept IAA, after the show it'd debut at. But, the Concept IAA isn't named for the show. It's actually an abbreviation for Intelligent Aerodynamic Automobile, and it's very aerodynamic indeed. This four-door coupe can transform, while moving, from its sedan-like design mode to an ultra-sleek, gas-powered fish of a car. This aerodynamic mode has a drag coefficent of just 0.19. That's sleeker than a Tesla Model S, and it ties the rating of the General Motors EV1 electric car. In fact, it's very nearly as aerodynamic as the Volkswagen XL1. The IAA can transform automatically at 80 kilometers per hour (about 50 miles per hour) or via the press of a button. When it enters an aerodynamic mode, eight segments at the back of the car extend out, adding over 15 inches to the overall vehicle length, effectively extending its already tear-dropped-shaped tail. And that's just the most visible aero aid. At the front of the car, flaps in the bumper extend out nearly an inch, while there's a smaller extender in the back bumper. These serve to keep air away from the wheel arches, where turbulence can become an issue. Of course, Mercedes has thought of this, too, fitting "Active Rims" that "alter their cupping from 55 mm to zero," whatever that means. There's even an active aero aid inside the front bumper, where a louver extends backward by 2.3 inches to smooth out the air traveling underneath the car. Outside of its super-slippery mode, the IAA is a relatively handsome four-door coupe, featuring the kind of plunging roofline that wouldn't look out of place on the company's pioneering CLS-Class. The interior is certainly worthy of the CLS, too. It's home to gorgeous white leather and touch-based controls, and in general, looks very luxurious. Mercedes' dogged pursuit of aerodynamics does not mean that the Concept IAA is some gutless ecomobile. Under the skin is a gas-powered, plug-in hybrid system that produces up to 279 horsepower and allows the sleek sedan to hit 155 mph. Its all-electric range is based, of course, on what mode its body is in. It's most impressive in aero mode, where it will cover 41 miles on a single charge. Switch over to design mode, and that figure drops slightly to 38.5 miles.

Brabus rockets the Mercedes S65 to 900 horsepower

Some people you just can't please. They take a look at a vehicle with 621 horsepower and 738 pound-feet of torque on tap – one of the most powerful cars money can buy – and say that's still not enough. Fortunately there are companies like Brabus that cater to just such individuals. The Mercedes tuner extraordinaire brought the Rocket 900 to the Geneva Motor Show this year. It's based on the S65 AMG – yeah, the one with the twin-turbo V12 – but takes it a step or ten further. For starters, Brabus has bored the engine out to 6.3 liters and hooked up new turbochargers, exhaust, intake and more – cranking output up to 887 hp and a mind-bending 1,106 lb-ft of torque. Of course it didn't stop there, revising everything from the limited slip differential and air suspension to aero kit and interior. The result? Try 0-62 in 3.7 seconds, a 217-mile-per-hour top speed and a price tag approaching $400,000. Related Video: Featured Gallery Brabus Rocket 900: Geneva 2015 View 16 Photos Related Gallery Mercedes-Benz S65 AMG Brabus Rocket 900 View 30 Photos Related Gallery 2015 Geneva Motor Show Videos View 25 Photos Image Credit: Live photos copyright 2015 Drew Phillips / AOL Aftermarket Geneva Motor Show Mercedes-Benz Luxury Performance Sedan 2015 Geneva Motor Show Brabus mercedes s65 amg brabus rocket 900