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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.

Car2go introduces four-seat Mercedes B-Class vehicles

Easily identified by its huge fleet of blue-and-white Smart Fortwos in cities around the world, Daimler's Car2go car sharing service is growing in Canada – both in the number of vehicles and the doors that they have. For the first time in North America, the company is renting a model with a usable backseat thanks to a new pilot program bringing 75 examples of the Mercedes-Benz B-Class to Toronto, Vancouver, and Calgary. The point of adding these hatchbacks to the ranks is to offer an option for those seeking more than the paltry room that the ForTwo offers. Car2Go imagines people using the B-Class to haul extra people in the back or just for the added cargo space. The vehicles wear the same blue-and-white look as the rest of the fleet, but they're specially identified for users in the smartphone app. Best of all, for this pilot program, their rental cost is the same 41 cents per minute as the tinier Smarts. The car sharing service has already started testing the waters of offering the B-Class in Germany. Its Car2Go Black pilot program was announced last year and placed 100 of the hatchbacks in both Berlin and Hamburg. car2go Just Got A Lot More Spacious Carsharing Leader Introduces Four-Door Vehicles For The First Time In North America AUSTIN, Texas, Sept. 28, 2015 /CNW/ -- car2go N.A., LLC, the market leader for one-way carsharing in Canada, announced today that car2go will be introducing 75 four-door vehicles to its fleet in Toronto, Vancouver and Calgary. The pilot program, which officially launches today, provides over 300,000 car2go members in Canada exclusive access to the Mercedes B-Class vehicle, a roomy, versatile alternative to car2go's signature smart fortwo vehicle. The new four-door vehicles are also equipped with the latest car2go technology, allowing members the ability to control their entire car2go experience seamlessly through the official car2go smartphone app. car2go will be introducing 75 four-door vehicles to its fleet in Toronto, Vancouver and Calgary. CLICK TO TWEET: car2go introduces Mercedes vehicles in Canadian markets for the first time http://c2g.cc/Gdscbf "As our members embark on new life chapters – whether moving to a new residence or growing their family – we want to continue providing an affordable and convenient transportation option that allows them to go wherever life takes them," said Paul DeLong, President and CEO of car2go N.A.

Mystery shoppers love Infiniti, hate Tesla

Infiniti, followed by Lexus tied with Mercedes-Benz took the top two spots for best sales experience according to mystery shoppers from the latest Pied Piper Prospect Satisfaction Index, while EV manufacturer Tesla recorded the lowest overall score. Not surprisingly, premium brands dominated the top ranks. Including the three already mentioned, luxury brands occupied seven of the top ten spots and included Audi, BMW, Porsche, and the only American brand to crack the upper echelon, Cadillac. Toyota, Volkswagen, and Nissan rounded out the first ten positions. The news for domestic automakers isn't good. Aside from Caddy, the only other star-spangled automaker to score above the industry average is Chrysler. The rest of FCA, most of GM, and all of Ford fell below the line. But Pied Piper's mystery shoppers handed Tesla the biggest walloping – the company is ten full points below the next lowest brand, Volvo, and its score of 86 is 17 below the average of 103. It's baffling, considering the company's touted direct-sales model. "Tesla leaves me scratching my head," Fred O'Hagan, Pied Piper's president and CEO, told Wards Auto. "They own all of their stores, so you would think each one would be doing the same thing. But they're not. Tesla is consistent in its inconsistencies." O'Hagan added that there's a "huge variation" in Tesla's store-to-store effectiveness, and that in some cases, shoppers found showroom workers that acted more like "museum curators," Wards Auto reports. It might be popular to call Tesla the Apple of the car world, but based on Pied Piper's work, the brand has a long way to go to emulate the uniform shopping experience of an Apple Store. The news might be bad for Tesla, but even for the brands that scored below average, there's cause for celebration. Only Tesla and Mini lost points in this year's rankings, and only Mercedes and Lincoln held steady. Every other brand, including Infiniti, which topped the index for the first time, gained at least one point. The biggest improvements belong to Porsche, Land Rover, and Mitsubishi, which all jumped five points. Pied Piper's annual Prospect Satisfaction Index uses mystery shoppers – over 6,100 this year – from across the country to assess dealers and generate rankings from over 50 individual factors. News Source: Pied Piper via WardsAuto Green Audi BMW Cadillac Chrysler Infiniti Lexus Mercedes-Benz Nissan Tesla Toyota Car Buying Car Dealers study