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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.

Here’s how 20 popular EVs fared in cold-weather testing in Norway

Electric vehicles are known to suffer diminished performance in cold weather, but some do a better job than others hanging onto their range capacity while cabin heaters and frigid outdoor temperatures sap power from their batteries. Recently, the Norwegian Automobile Federation put the 20 of the best-selling battery-electric vehicles in the country to the test, to see not only how winter weather affected their range but also their charging times. The major findings: On average, electric vehicles lost 18.5% of their official driving range as determined by the European WLTP cycle. Electric vehicles also charge more slowly in cold temperatures. And interestingly, the researchers learned that EVs don’t simply shut down when they lose power but instead deliver a series of warnings to the driver, with driving comfort and speed levels maintained until the very last few miles. Because itÂ’s Norway, the worldÂ’s top market for electric and plug-in hybrid vehicles by market share, the test included many EVs that arenÂ’t available here in the U.S. But there are many familiar faces, among them the Nissan Leaf, Tesla Models S, 3 and X, Hyundai Kona (known here as the Kona Electric) and Ioniq, and Audi E-Tron. In terms of range, the top-performing EV was the Hyundai Kona, which lost only 9% of its official range, which the WTLP rated at 449 kilometers, or 279 miles, compared to its EPA-rated range of 258 miles on a full charge. It delivered 405 km, just enough to nudge it ahead of the Tesla Model 3, which returned 404 km. Other top performers included the Audi E-Tron, in both its 50 Quattro (13% lower range) and higher-powered 55 Quattro (14% lower) guises; the Hyundai Ioniq (10% lower); and Volkswagen e-Golf (11% lower). At 610 km (379 miles) the Tesla Model S has the longest WLTP range of all models tested and went the furthest, but still lost 23% of its range, though it also encountered energy-sapping heavy snow at the end of its test, when many cars had dropped out. The Model 3 lost 28% of its range. The worst performer? That goes to the Opel Ampera-e, better known stateside as the Chevrolet Bolt. It traveled 297 km (about 184 miles) in the test, which was nearly 30% lower than its stated WLTP range. We should also note that Opel, now owned by Groupe PSA, is phasing the car out in Europe and that Chevy recently upgraded the Bolt here in the U.S.

2016 Mercedes GLE Coupe priced from $66,025

The folks at Mercedes-Benz are really keeping busy this year with the launch of a host of new products. Among them are a slate of crossovers, including the GLC and GLE-Class. While pricing for those two have already been revealed, the company has finally decided to spill the beans about the cost for the more rakish GLE Coupe. The 362-horepower, 2016 GLE450 AMG Coupe runs $66,025 after the obligatory $925 destination charge on all of MB's vehicles for the model year. That model comes with all-wheel drive, a nine-speed automatic, plus a heap of luxurious standard features. If you want more power, the 577-hp Mercedes-AMG GLE63 S costs $110,225 and includes a more aggressive exterior and Nappa leather interior. Both versions of the German brand's fastback, four-door CUVs arrive at dealers in August. If you're interested, Autoblog has already published full driving impressions for the whole GLE-Class family. While the GLE Coupe is among the newest members of the Mercedes lineup, the G-Class, one of the company's oldest, is seeing some improvements, too. The G550 for $120,825 now benefits from the C63 AMG-derived 4.0-liter V8 making 416 hp and 450 lb-ft, which are gains of 34 hp and 59 lb-ft over the outgoing V8. The SUV also gets styling tweaks, like revised bumpers and larger fender flares. Meanwhile, the G63 AMG offers 563 hp and 560 lb-ft of torque (an extra 27 hp but the same torque as before) for $140,825. The 621-hp G65 AMG tops the range for $218,825. MERCEDES-BENZ ANNOUNCES ADDITIONAL 2016 MODEL YEAR PRICING AND PRODUCT UPDATES The unprecedented product offensive continues with a host of exciting new models August 04, 2015 - ATLANTA, Ga. -- Mercedes-Benz USA today announced pricing and product information for the GLC, G-Class, GLE (ML facelift), C450 AMG 4MATIC sedan, and GLE Coupe. This follows the 2016 Mercedes-Benz pricing and model year changes already announced in mid-June 2015. Arriving in dealerships in November 2015, the all-new GLC300 and GLC300 4MATIC represent a compelling new entry in a thriving SUV segment. With a starting MSRP of $38,950*(2WD) and $40,950* (4MATIC) respectively, the all-new GLC features a powerful 2.0 liter turbocharged inline 4 cylinder engine that generates 241hp and 273lb-ft of torque and a new 9-speed automatic transmission.