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Mercedes-AMG GT R coming with active aero, shocks, steering

We've seen the Mercedes-AMG GT, and we've seen the Mercedes-AMG GT S. So what comes next? According to Motor Trend, the Mercedes-AMG GT R, that's what. Word has it that the forthcoming addition AMG's flagship sports car range will wear a similar name to Godzilla. Of course, Nissan might have a thing or two to say about that, but considering that, as it is, the letters GTS are also used on by BMW and Porsche (to say nothing of the Dodge Viper), Daimler might still find itself in the clear. Naming schemes aside, the upcoming top-of-the-line AMG GT is naturally expected to pack more power than existing versions. But it's also tipped to get a four-wheel steering system to improve cornering and high-speed stability, similar to those featured on the Porsche 911 GT3 and Ferrari F12 TdF. A new type of adjustable spool-valve shocks are also said to be in the works, along with active aerodynamic elements. Expect upgraded rolling stock, brakes, and interior to come as part of the package when it debuts in about a year from now. MT also reports that AMG is also already working on a new E63 based on the forthcoming W213-generation E-Class. The new super-sedan is expected to shed weight by replacing the old 5.5-liter twin-turbo V8 with the newer, more compact 4.0. It's also tipped to get a new nine-speed dual-clutch transmission and a more flexible all-wheel-drive system to replace the fixed 33/67 front-rear torque split on the current model.

Mercedes-Benz Concept GLA gets official ahead of Shanghai

Mercedes-Benz has something special planned for the Shanghai Motor Show - a new CUV concept that we first saw when it leaked on the internet yesterday. The GLA Concept compact crossover will hit the show stand with a turbocharged 2.0-liter four-cylinder engine producing 208 horsepower and 258 pound-feet of torque mated to a seven-speed dual clutch transmission and 4Matic all-wheel drive, and likely previews a new production model that we've already spotted testing.
That's not news, but the laser-based headlamps with video-projecting capability certainly are. Mercedes-Benz says the array can project any image or video onto a screen, which is handy since there are a pair of HD cameras mounted to the roof rack. The cameras can be removed and taken with you on all sorts of adventures. The lamps also feature a visible cooling system comprised of a series of fans, and the system helps give the headlights their "sparkle" effect.
Step indoors and the GLA offers up the interior of a high-quality crossover, complete with contrasting leather and plenty of aluminum. The automaker says the cabin was inspired by saddle craftsmanship with "more than 65 feet of hand-stitched seams to hold the raw edges of the leather together."

Why it's difficult to accurately test the efficiency of a plug-in car

When it comes to electric vehicles and plug-ins in general, the Environmental Protection Agency-certified range is a hugely important number. While actual range anxiety is largely psychological, the magic number does provide a point of comparison of buyers considering one EV over another. The driving distance is also often touted by automakers when marketing their models. Unfortunately, as Green Car Reports finds in a recent deep dive, the way the EPA calculates the figure is a convoluted mess, and discovering the reasons why is definitely worth the read. The issue isn't about bad science but instead comes down to vague wording. The EPA's accepted range test is sourced from an evaluation called J-1634 from the Society of Automotive Engineers, and it seems to provide balanced results for vehicles that automatically reach a single state of charge when plugged in. However for models with multiple charge settings, the situation gets complicated very quickly. Of course, these modes are often created in the software, meaning that a car's certified driving distance can change with just a few taps of the keyboard without the real world results owners might experience actually changing. By showing the test's effects on the certified range for the Tesla Model S, Nissan Leaf and Mercedes-Benz B-Class Electric Drive over the last few years, Green Car Reports makes a compelling argument that it's the evaluation that needs to change. Thankfully, it appears that the solution is a very simple one. Get the details here.