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Mercedes-AMG GT3 opts for big displacement without a turbo

There was a time when there were numerous categories in sports car racing: GT1, GT2 , GT3... but these days they've all been amalgamated into the latter. That's left a GT3 class packed with competitors and possibly more contentious than ever before. What you see here is Mercedes' new challenger, in official form after being leaked earlier today by the French website Le Point. Replacing the SLS AMG GT3 that won its class (among other races) the Nurburgring 24 Hours in 2013 is the new Mercedes-AMG GT3. Set to be revealed at the Geneva Motor Show, it's the racing version of the new Mercedes-AMG GT, and aside from looking the business, it has the makings of a highly competitive entry. As you can see, it sits closer to the track surface than the road-going version, and packs more extreme aero – including a front splitter you could serve dinner off of, little winglets to deflect the air away from the front tires, deep side sills, a massive rear wing and (though we can't see it presently) what promises to be a very large rear diffuser. It's also got more ventilation to feed the engine and cool the brakes, and a stripped-out cabin with full roll cage and a steering device that's long since evolved beyond resembling an actual "wheel." To save weight, Mercedes has redone many of the panels out of carbon fiber, but one of the most intriguing elements is what you'd find under that woven hood: instead of adapting the 4.0-liter twin-turbo V8 from the road-going GT, AMG has slotted in the larger atmospheric 6.3-liter V8 from the outgoing racer – coupled to a six-speed sequential gearbox. With its new GT3 entry, Mercedes surely hopes to take a slice of the customer racing market that Porsche in particular has developed into a successful and profitable business over the years. Racing fans, however, will be more interested to see how this puppy fares at Le Mans, the Nurburgring, the Blancpain sprint and endurance series, the United SportsCar Championship, the FIA World Endurance Championship and countless national series around the world. It'll have tough competition on its hands, though, from the likes of the Porsche 911 RSR, Audi R8 LMS, Bentley Continental GT3, Ferrari 458 Italia GT3, McLaren 650S GT3, Lamborghini Huracan GT3 and countless others that battle for glory on a racetrack somewhere on any given Sunday. World premiere in Geneva for spectacular AMG racing car All-out attack : the new Mercedes-AMG GT3 Affalterbach.

Mercedes highlights dangers of counterfeit wheels

Mercedes-Benz Australia is getting the word out that consumers need to make sure they get the real deal when purchasing auto parts. To demonstrate that concept in dramatic fashion, the company bangs an imitation and genuine wheel through a pothole at Holden's proving ground to see what happens. The results speak for themselves. While counterfeiting is often associated fashionable goods like handbags or sunglasses, it wreaks havoc on the auto industry, too. A 2007 study estimated Ford lost $1 billion a year from fake parts, and Aston Martin had to recall a huge swath of vehicles because a sub-supplier used knock-off plastic. To fight the problem here, the US government and some states have passed laws to ban counterfeit components. In this case, Mercedes uses the stunt to argue the fake parts are a safety issue Down Under. While the two wheels look practically identical at first, they definitely don't perform the same. The slow-mo footage of the impact clearly shows just how differently the pair takes the punishment, and why counterfeit wheels are such a safety issue. Related Video:

2016 Mercedes-Benz GLC one-ups old GLK in every way

Meet the Mercedes-Benz GLC-Class, the latest in the automaker's increasingly impressive run of new or significantly updated (and occasionally renamed) vehicles that's included the immensely good C- and S-Class, and the upcoming GLE-Class – formerly known as the M-Class crossover. Unlike the GLE, which you'll be reading our First Drive on shortly, the GLC is much more than a mid-cycle refresh, representing the second-generation of Mercedes' compact crossover. While it represents a more significant update to the former GLK than the GLE does to the ML, the new GLC shares its looks with the larger vehicle. It's a handsome take on Mercedes' latest design language, featuring a similar rectangular, two-slat grille in the fascia. The greenhouse has hints of C- and S-Class in it, and is the best way of viewing the 4.6-inch stretch to the wheelbase. The taillights, meanwhile, take their inspiration from the S-Class Coupe and AMG GT. The new cabin isn't just prettier, it's more spacious, too. The C-Class and S-Class also serve as inspiration for what is a remarkably attractive cabin. While Audi has long served as the standard for interior design, with the C, S, and now the GLC, Mercedes can stake a claim to Ingolstadt's crown. Like the C-Class, the center stack is a wide, curving design that terminates in the controller for the infotainment system, while a tablet-like display sits up high. Leather, wood, and aluminum cover most every surface we can see in the initial batch of photos, while cool, blue accent lighting adds an extra dose of style. The new cabin isn't just prettier, it's more spacious, too. Thanks to the longer wheelbase, there's an extra 2.2 inches of space for second-row passengers. There's more room for cargo, too. Mercedes claims 20.5 cubic feet – non-SAE, it should be noted – behind the second row, up from 16.5 in the current GLK. While the GLC will be offered with a range of gas and diesel powertrains, US consumers will be offered the GLC300 first. Counterintuitively and like the C300, the entry level CUV uses a 2.0-liter, turbocharged four-cylinder engine with 241 horsepower and 273 pound-feet of torque. While we expect 4Matic to be the popular option, Mercedes will also offer a rear-drive-only model. There's no mention of additional powertrains beyond the launch model, although we'd expect the GLC to follow the C-Class' example and add a GLC400 powered by a 3.0-liter, twin-turbocharged V6.