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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.

Aston Martin reboots its EV offensive with Mercedes-Benz technology

Mercedes-Benz will provide Aston Martin the technology it needs to enter the electric car segment, according to the British firm's top executive. Its first battery-powered model is scheduled to arrive in 2025 at the earliest. As we've previously reported, Mercedes will increase its stake in Aston Martin to 20% by 2023. In exchange, it will grant the company access to its hybrid and electric powertrains. It's a win-win situation: On one hand, Mercedes can leverage the benefits of economies of scale. On the other hand, Aston Martin (which is far smaller) is able to access turn-key technology without spending an exorbitant amount of money on development. Executives are consequently rebooting Aston Martin's on-again, off-again electrification offensive. Its first electric model will be built using Mercedes-Benz-sourced technology when it goes on sale in 2025 or 2026, according to Automotive News Europe. Company boss Tobias Moers (who ran Mercedes-AMG until earlier in 2020) clarified the platform will come from Germany, but there's no word yet on whether the motor and the battery will, too. However, he confirmed plans to resurrect the Lagonda name on an electric-only sub-brand have been canceled. "Lagonda has a different purpose for the future. Electric-driven cars are supposed to be Aston Martins," he said. Hybrids are in the pipeline, too, including a gasoline-electric version of the high-riding DBX. Engineers were previously developing the technology in-house, but the project could end up in the automotive ash heap now that more Mercedes powertrains are in the picture. Moers affirmed he hasn't decided which route to take yet. "We are still working on that [hybrid drivetrain], but now we have alternatives. It's too early to say," he noted. Aston Martin will release the mid-engined Valhalla in 2021, and the plug-in hybrid DBX will begin rolling off the production line in 2023. Several new models will make their debut that year, Moers promised a "product firework," and it's reasonable to assume most will be available with some degree of electrification. He predicted every fourth or fifth car Aston Martin sells in 2024 will be electrified in one way or another. Green blues Aston Martin's path to electrification hasn't been smooth. In 2015, it joined forces with China-based LeEco to build an electric variant of the Rapide, but it was forced to finish the project on its own after its partner canceled the deal due to financial issues.

On Location at Mercedes-Benz Van Camp in the Rocky Mountains

Camping high in the Rocky Mountains as spring gave way to summer may not seem like the obvious way to test out a work van, but that's how we sampled the 2016 Mercedes-Benz Metris. Our drive was based in Dunton Hot Springs and Cresto Ranch, CO, nestled high in the Rocky Mountains. Both were gorgeous and dripping with history. Since their rough-hewn origins they've been converted into an upscale camping experience. We spent a couple nights in Cresto Ranch, an old cattle outpost near the Dolores River. Our 'tent' was lavishly furnished, complete with a shower, desk, and comfortable bed. Glamor camping is in vogue, and this was 'glamping' at its finest. Most of the Mercedes activities started at Dunton Hot Springs, a former mining town with tents and log cabins remade into an even larger-scale glamping site than Cresto Ranch. The hot springs beckoned, but glampers could also enjoy massages or just soak in the soaring forests surrounding the site. The only downside: With an elevation around 8,700 feet above sea level, we found ourselves occasionally light-headed. It was a fun couple of days in the Rockies, on the road and at the campsite. Watch the video above for the complete experience, and read the review here.