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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 GLE to debut in NY, will get plug-in variant

On the eve of the 2015 Detroit Auto Show, Dieter Zetsche, Chairman of Daimler AG, said that 2015 will be the "Year of the SUV" at Mercedes-Benz. This means a host of new and updated sport-utility and crossover models, kicked off with the debut of the GLE-Class Coupe (pictured above) – in 450 AMG Sport and Mercedes-AMG GLE63 variants – here in the Motor City. But there's far more in store throughout the year. First, Mercedes has confirmed it will debut the non-coupe GLE-Class – the M-Class replacement – at the New York Auto Show in April. It will share most of its architecture with the GLE Coupe revealed here in Detroit, but will also come with a plug-in hybrid option. Mercedes-Benz debuted an S-Class Plug-In Hybrid at the Los Angeles Auto Show last November, and will expand this technology to other core models in its range. First, we will see the C350 Plug-In Hybrid, which also makes its debut here in Detroit. Beyond that, Mercedes has confirmed that the GLE-Class will benefit from a plug-in option, as will the upcoming GLC-Class crossover – the renamed replacement for the GLK. No official timing has been given for the GLC, but Mercedes confirms that both it and its largest utility vehicle – the GLS-Class (currently known as the GL-Class) – will debut "later this year." Year of the SUV, indeed. Featured Gallery 2016 Mercedes-AMG GLE63 Coupe View 9 Photos Green Detroit Auto Show New York Auto Show Mercedes-Benz Crossover SUV Hybrid Luxury PHEV 2015 Detroit Auto Show mercedes glk-class mercedes gl-class mercedes gle-class mercedes glc-class mercedes gls-class

Autoblog's top 50 car photos of 2016

This one shouldn't need much explanation. We like cars a whole lot, and that includes not just driving them but taking great pictures of them. We've collected our 50 favorite images from this year in the mega-gallery above. It's a mix of old and new, with a healthy dose of vintage and modern race cars mixed in, and not one single shot under the harsh lights of an auto show. So click through and enjoy. Featured Gallery Autoblog's Top 50 Photos of 2016 View 50 Photos Image Credit: Copyright 2016 Autoblog.com Audi BMW Chevrolet Dodge Ferrari Ford Lamborghini Mazda McLaren Mercedes-Benz Porsche Rolls-Royce Volvo Convertible Coupe Motorcycle Luxury Racing Vehicles Performance Supercars Classics