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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.

Mercedes-Benz A45 AMG is Affalterbach's first big leap into the little pond

The recent history of AMG is turning out amped-up versions of Mercedes-Benz offerings that would hardly ever be mistaken for their sedate counterparts. Sure, you'd need to pay attention to pick a G-Class from the G63 AMG, but dual side-pipes are a quick giveaway. The Mercedes-Benz A45 AMG is not only a new era in Affalterbach's attention on smaller cars, it is probably also the most subtle transformation we can think of in the line-up.
Low and chunky enough in standard guise to make a sporting impression, the aesthetic makeover is confined to black trim around the lower rim of the hatch, black wheels with red brake calipers and a single, rectangular exhaust tip on either side of the diffuser. It's easier to make a positive ID inside, where the flat-bottomed steering wheel, red seatbelts and red-rimmed details say, "You know what I am..."
If the car is running, though, it won't take but a second. The 2.0-liter turbo spitting 360 horsepower and 332 pound-feet will grumble through a sport exhaust at idle, and bellow through the same on it's way to a 0-60 time of less than 4.5 seconds. And if you need something that looks a little harder - and you want those quad pipes - then the A45 AMG Edition 1 is the treasure you seek. There's a press release below for all the info you'll need until the hot hatch goes on sale in Germany later this year, and photos for the rest of us while we wait to find out if we'll get a chance to buy it.

Editors' Choice: Top Five 2015 Frankfurt Motor Show Debuts

Consider the 2015-16 auto show season officially kicked off. The Frankfurt Motor Show offered a great look at the newest crop of production cars and conceptual machines, and brought some old favorites back into the spotlight for a closer look. (The Alfa Romeo Giulia, for example, debuted in June, but this was the first time most of us saw it.) Now that the dust has settled and we're all on flights back to the US, our editors cast their votes for their personal favorites from the Frankfurt show. These are the cars we truly loved seeing the most. But unlike other shows, there was no one runaway winner – all of the Top Five received positive praise from our team. We won't spoil the results, though. Scroll down to see what we liked most from this year's Frankfurt expo. 5th Place – MERCEDES-BENZ IAA CONCEPT View 12 Photos MIKE AUSTIN: The clean lines on this concept have me excited for a more elegant beauty to future Mercedes-Benz vehicles. Next to the Concept IAA, the lovely S-Class Coupe looks like an overstyled barge. DAVID GLUCKMAN: Yeah, the extendable rear is neat and all, but I'm more interested in the front-end styling of this one. It looks like the Tron version of a 300SL, in a good way. I'm hopeful it portends the future of Mercedes design. STEVEN EWING: I was super impressed when Mercedes said that, with the rear end extended, this concept has a drag coefficient of just 0.19. That's crazy aerodynamic. I'm not head-over-heels about the styling, but I think the lessons learned from this concept are really important, and will play a huge role in the future of Mercedes' products. 4th Place – ALFA ROMEO GIULIA View 15 Photos SEYTH MIERSMA: I can hardly express how in love with this car I am. The styling feels creative, modern, and evocative, without going over the top. The proposed performance is spectacular. And the Alfa badge speaks to a legacy of romantic motoring. DAVID GLUCKMAN: Pretty Italian car makes big promises and will probably deliver on about three quarters of them. I think that will still be enough for me. JEREMY KORZENIEWSKI: I'm really intrigued by the Giulia. It looks great, sounds awesome, and I'm expecting it to have a load more character than its German rivals. I hope I'm not disappointed. 3rd Place – JAGUAR F-PACE View 15 Photos GREG MIGLIORE: It's the first SUV for Jaguar, and I think they nailed the design, capability, and electronics. It's the right car at the right time.