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2014 Mercedes B-Class ED battery much bigger than previously stated

There was something unexpected hiding in the new configurator for the 2014 Mercedes-Benz B-Class Electric Drive: a $600 "Temporary range extender." Since we've never heard of such a thing, we had to click through for more. The official explanation runs like this: A suite of options to further increase your driving range includes added insulation of the doors and roof for to increase climate-control efficiency, along with an electrically heated windshield and a range-extending charge function. By pressing a button on the console prior to charging, the maximum charge level for battery will increased for the next charge cycle. The higher-capacity charge can provide up to 17 additional miles of range. The passive features that increase range should be standard in all models, we think. But we were more curious about the battery charge situation. How do you increase a maximum? And is it a good idea to do so? The configurator includes this disclaimer, after all: Range extender should only be used on a limited basis, and could shorten battery life if used excessively. How much is excessive? We investigate below. The B-Class ED has, according to the specs, a 28-kWh battery. First, let's understand what this "temporary range extender" is all about. The B-Class ED has, according to the specs, a 28-kWh battery. But Terry Wei, from the Mercedes-Benz USA product and technology communications department, confirmed to AutoblogGreen that the B-Class ED is actually hiding a 36-kWh battery, but the automaker is calling it a 28-kWh battery because that's how much energy capacity is used in day-to-day use. Most automakers publicly claim the actual capacity and then admit they use a percentage of it. The Chevy Volt, for example, has a 16.5-kWh battery pack, but a "full charge" only fills up around 65 percent of that. In the B-Class ED, the 28 kWh of useable energy provides an EPA-certified 87 miles of range. But, since there are eight kWh of reserve, the temporary range extender (we think of it as a software update accessed by a button) can access some of that and offer the aforementioned 17 miles. Now that we know what we're dealing with, this reminds us of an evolved version of the "remote wireless charging" feature that was touted in the Reva EV. Wei said that the reason the feature is optional is because Mercedes doesn't think most people will need it. Eighty-seven miles is plenty for your average EV driver, but when you want to have 100+ in the tank, you can.

Aston wants to build DBX on its new platform, not Mercedes'

Aston Martin is proceeding with plans to launch the DBX as its first production crossover. It just can't say at this point what it will be based on. Speaking with Automotive News Europe, Aston's new CEO Andy Palmer indicated that basing the DBX on a Mercedes SUV platform would not be its first choice because they "clearly sit in a very different space to the one we want to go" with the DBX. Instead, the company's first choice would be to build the crossover atop the new platform it's developing for its sports cars. "It just depends how high off the ground it could go," said Palmer. "I don't exclude the possibility of using some [Mercedes] parts, but I would say very much the primary route is our platform." The prospect of building an Aston SUV on Mercedes architecture – namely that of the GL-Class – has been on the table for some time now. The Lagonda SUV concept it showcased at the Geneva show in 2009 was based on the GL, and the two automakers have been forging a tightening alliance in the years since. The British automaker's next-generation engine is to be built by Mercedes-AMG, and it is expected to source other components from the German automaker as well. For its part, Mercedes has been taking a sportier approach with its latest crossovers, as demonstrated by the GLE Coupe that debuted before the more conventional version and the Concept GLC Coupe that previewed the GLK's replacement in Shanghai last month. Aston Martin, on the other hand, is building a new sports car platform that will underpin its next generation of luxury GTs, replacing the long-serving VH architecture that has served for decades as the basis for its entire model line. Perhaps the most surprising of ANE's report, though, is that Aston seems to be proceeding with plans to build the DBX apparently without even knowing what platform it will use.

Mercedes GLE Coupe spotted in almost undisguised AMG form

Say what you will regarding the form and function of the BMW X6, the bottom line is that BMW essentially pioneered a winning formula, sloping a roofline onto an existing model to make a new and highly lucrative) derivative. No wonder rival Mercedes-Benz is clamoring to follow suit with models like the one pictured here. Under development for some time now, the model originally slated to be called the MLC and now expected to be dubbed GLE Coupe looks about ready for its big debut. It's based on the replacement for the current M-Class (to be rechristened GLE) but with that vital sloping roofline to make it more rakish. This particular example seems to be an AMG version and was spied with only minimal camouflage around the front and rear bumpers while undergoing testing in snowy climes. That could be the full-on GLE63 AMG performance variant, or the new AMG Sport model destined to debut at the Detroit Auto Show next month. If it's the former, expect it to be packing the same 4.0-liter twin-turbo V8 as the new Mercedes-AMG GT, where it produces either 462 horsepower or 510 depending on spec - ready to take on the X6 M and whatever Audi is preparing to throw at it.