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Mercedes-Benz engines with 48-volt systems coming in 2017

As part of a big green push announced yesterday, Mercedes-Benz is jumping into the world of 48-volt power. The company will launch a new family of efficient gasoline engines next year and will begin rolling out 48-volt systems with it, likely in its more expensive cars first. Mercedes will use the 48-volt systems to power mild-hybrid functions like energy recuperation (commonly called brake regeneration), engine stop-start, electric boost, and even moving a car from a stop on electric power alone. These features will be enabled through either an integrated starter-generator (Mercedes abbreviates it ISG) or a belt-driven generator (RSG). (RSG is from the German word for belt-driven generator, Riemenstartergeneratoren. That's your language lesson for the day.) Mercedes didn't offer many other details on the new family of engines. There are 48-volt systems already in production; Audi's three-compressor SQ7 engine uses an electric supercharger run by a 48-volt system, and there's a new SQ5 diesel on the horizon that will use a similar setup with the medium-voltage system. Electric superchargers require a lot of juice, which can be fed by either a supercapacitor or batteries in a 48-volt system. Why 48-volt Matters: Current hybrid and battery-electric vehicles make use of very high voltages in their batteries, motors, and the wiring that connects them, usually around 200 to 600 volts. The high voltage gives them enough power to move a big vehicle, but it also creates safety issues. The way to mitigate those safety issues is with added equipment, and that increases both cost and weight. You can see where this is going. By switching to a 48-volt system, the high-voltage issues go away and the electrical architecture benefits from four times the voltage of a normal vehicle system and uses the same current, providing four times the power. The electrical architecture will cost more than a 12-volt system but less than the complex and more dangerous systems in current electrified vehicles. The added cost makes sense now because automakers are running out of ways to wisely spend money for efficiency gains. Cars can retain a cheaper 12-volt battery for lower-power accessories and run the high-draw systems on the 48-volt circuit. The industry is moving toward 48-volt power, with the SAE working on a standard for the systems and Delphi claiming a 10-percent increase in fuel economy for cars that make the switch.

Mercedes-Benz USA confirms relocation to Atlanta

Porsche, you no longer have Atlanta to yourself. Mercedes-Benz USA has confirmed that it will be moving its corporate headquarters (shown above) from Montvale, NJ, to Georgia's most populous city. This is the second high-profile corporate relocation in the past year, as Mercedes follows in the footsteps of Toyota, which announced its relocation from California to Texas back in April (Subaru also announced a relocation, but it was just four miles away from its old offices). According to the German company, executives and their staff will relocate to an interim facility in the city's Central Perimeter until a brand-new, long-term home is completed in 2017. Around 1,000 employees will be impacted by the move, although Mercedes didn't mention if any employees would be let go as a result of the relocation. The company won't be abandoning New Jersey completely, as it will retain "several operational areas" in both Montvale and Robbinsville, NJ. As Mercedes USA CEO Steve Cannon explains, there are a number of good reasons for the company's relocation. "Atlanta is a premier city which places us closer to our ever-growing Southeast customer base, our port in Brunswick, Georgia, and to Mercedes-Benz US International, our Alabama manufacturing facility, which accounts for half of the vehicles we sell here in the US," Cannon said in a statement. "For our employees, Atlanta offers a strong quality of life, terrific schools and wonderful cultural and recreational opportunities." Mercedes-Benz USA Announces Move of Corporate Headquarters to Atlanta Several operational areas to remain in New Jersey including Parts Distribution Center and Regional Office January 06, 2015 - MONTVALE, N.J. Mercedes-Benz USA (MBUSA) today announced that it will relocate its corporate headquarters to Atlanta, Georgia, in a move designed to better serve its growing customer base and strengthen the company's position for long-term, sustainable growth. MBUSA executives and staff will relocate from its primary facility in Montvale, New Jersey, to a temporary facility in Atlanta's Central Perimeter on an interim basis. The company will construct a new, state-of-the-art headquarters expected to be completed in early 2017. MBUSA plans to begin moving employees starting in July 2015. The move, which will affect approximately 1,000 employees, will be phased to help minimize any disruption to business operations. Several operational areas will remain in both Montvale and Robbinsville, New Jersey.

New Mercedes Unimog debuts to the cheers of little boys everywhere [w/video]

The Mercedes Unimog, the superhero villain of the off-road world that's just waiting to make the jump to Transformer, has been completely upgraded for its new generation. There are ten models, expanding the range and getting new designations across the traditional all-terrain series and the implement-carrier series. Panoramic cabins get more visibility, multifunction steering wheels and better dash clusters, improved HVAC and a three-mode central tire inflation system. Outside, there are new items like LED headlights and daytime running lamps in the bumper, roof-mounted windshield wipers and a front-camera monitor for the implement carrier.
The new engine lineup is compliant with Euro VI, featuring four- and six-cylinder BlueEfficiency engines putting out anywhere from 156 horsepower to 354 hp. Powerplant placement has also been tweaked, the chassis members getting a revised curve to place the engine a bit further back and lower, maintaining off-road clearance and lowering the Unimog's center of gravity. The new location of the engine means the cabin has more room, and the wheelbase is shorter. Combined with a higher turning angle, the Unimog has a smaller turning radius than before.
The implement carrier gets what's called a "synergistic traveling drive," the bonus being that drivers don't need to stop in order to use an attachment - a hydrostatic transmission works with the regular manual transmission at up to 31 kilometers per hour for seamless switching.