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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.

2015 Mercedes-Benz S65 AMG Coupe

For Mercedes-Benz to truly demonstrate the capabilities and sensations of the S65 AMG Coupe, it needs to commission the building of a highway halfway to the moon. That's right, a ribbon of Autobahn roughly 120,000 miles long, with 50,000 miles of twisties and sweepers. Let's even add some loop-de-loops though the ionosphere, since, you know, we're going all the way with this. We've been following the headlines about progress on a new lunar lander and the SpaceX Mars Colonial Transporter, but we recently discovered that we've already got both of them in the S65 AMG Coupe. This isn't a car, it's a rocket ship. And it's not perfect, but it is spectacular. Starting with the way it looks. When Mercedes unveiled the concept at the 2013 Frankfurt Motor Show, I wasn't impressed. In fact, I told the Mercedes PR person, "It's fine, but the rear end doesn't do anything for me." And today? I'll have the crow, please, with lots of ketchup. When the test car you see here arrived, my loins tumbled and my knees developed a slight tremble. By the following week I was posing thought experiments like, "What's hotter: me in this car, or nothing else ever?" It's big – just eight inches shorter than the S-Class sedan and only an inch narrower. It's an inch longer than the Porsche Panamera and four inches wider, but just 0.3-inches taller than that slinking sport sedan. Its size and segment seem to have freed the designers' pens, and we think it's the best and most unapologetic expression of the brand's current language. We'd normally vote "nay" to a face full of chrome, but the coupe has the width to spread the polished elements around, and the top-to-bottom three-dimensionality indeed earns the adjective "jewel-like." A button on the center console lifts the entire car to protect those jewels when needed. The profile doesn't give up on the rising, sculpted wedge we've known for years – the one we used to love on the SL-Class. And again, the 16.6-foot expanse of sheet metal gives those opposing swage lines an unhurried opportunity to carve the body. The sidelong swell is enhanced by the carbon-fiber rocker panel laid into the concavity along the bottom, as well as those hips over the rear wheels. Speaking of which, the polished, 20-inch forged rollers are spot on. The bluff backside is sculpted just enough to keep it interesting, from the decklid spoiler to the horizontals across the bumper and carbon diffuser. Mostly, though, it seems to say to anyone behind, "Please.

Mercedes sues Ferrari-bound F1 engineer for stealing secrets

Mercedes is suing one of its Formula One engineers, one Benjamin Hoyle, claiming he was planning to take sensitive data to a competitor. An experienced powertrain engineer, Hoyle came to Mercedes AMG High Performance Powertrains in 2012 with previous experience at Prodrive and Cosworth. One of four team leaders at the company, Hoyle headed up the performance application department until he notified his employers of his intention not to seek renewal of his contract that expires at the end of this year. Once they found out that Hoyle was switching to Ferrari, the higher-ups at Mercedes reassigned him to other, less sensitive duties, however Hoyle was reportedly discovered accessing race reports and other sensitive data relating to the performance of the team's engines. In response, Mercedes has filed suit against Hoyle, claiming that he "and potentially Ferrari have gained an unlawful advantage." The German automaker is seeking the return of all documents and the payment of its legal fees. It also seeks to prevent Hoyle from working for another F1 team throughout next season. Mercedes AMG High Performance Powertrains is the Daimler's F1 engine division. Based in Brixworth, UK, it was founded back in 1983 together with Ilmor before Mercedes bought it outright. Aside from the company's own works team, the outfit this year powered Williams, Lotus, and Force India, and previously worked with McLaren as well as Sauber. This is not the first time that a case of industrial espionage has emerged in F1. A similar controversy erupted in 2007 surrounding engineers Nigel Stepney and Mike Coughlan. The highly publicized incident became known as "Spygate" or "Stepneygate" and involved the illegal sharing of secrets between Ferrari, McLaren, and Renault. News Source: BloombergImage Credit: Martin Meissner/AP Government/Legal Hirings/Firings/Layoffs Motorsports Ferrari Mercedes-Benz F1 industrial espionage