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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.

Automakers' sound systems: Crank it, don't yank it

Years ago, one of the first things most music lovers did after buying a new vehicle was drive to an aftermarket stereo shop to get the crappy stock components swapped for better gear. And you'd typically get not only better sound but also more bang (and boom) for your buck. But in the past decade or so, the overall quality of OEM audio has dramatically increased, while car electronics became more complex, removing the incentive for most new vehicle owners — and all but the most hardcore DIYer — to start from scratch. In 2010, I did a comparison of the average costs for OEM electronics vs. similar offerings from the aftermarket, and back then automakers' stock premium systems were by far the best bargain — and are probably an even better value now. The premium 14-speaker, 1,200-watt JBL system in the all-new 2019 Toyota Avalon is a prime example of this trend. It's standard on the top two Limited and Touring trims and is available as a $680 audio upgrade on the XLE and XSE. I doubt you can even buy 14 speakers and 1,200 watts of amplification from the aftermarket for 700 bucks, much less have it all installed. And because the system is bundled with Toyota's Entune infotainment system, Apple CarPlay and a surround-view camera, removing the head unit means you would likely lose these features. Another advantage of OEMs and their audio partners is they can design the car around the audio system. In the past, automakers would typically place speakers where convenient for packaging, not for optimal sound reproduction, and audio engineers were forced to compromise. But as with the Avalon's premium JBL audio system, this is starting to change. At a recent behind-the-scenes peek for media into the process of developing the system, Toyota and Harman engineers delved into the minutia of sealing the inner panel of the front doors to create an enclosure for 6x8-inch woofers, making space in the pillars for JBL horn tweeters and extensively measuring the acoustic properties of the interior to tune the sound to the space. I'm met some creative and skilled car stereo installers, but none with a degree in psychoacoustics. The system is also the first to feature Quantum Logic Surround that creates a multi-channel listening experience from two-channel sources. And it includes Harman's Clari-Fi processing that "rebuilds key details lost" in compressed audio formats used by streaming music services and MP3s.

Mercedes-Benz GLE Coupe is ready to tackle BMW's X6

Under the chiseled hood of the GLE 450 AMG sits a 3.0L, twin-turbo V6 with 362 hp and 384 lb-ft. Years after the polarizing BMW X6 originally hit the market, Mercedes-Benz has finally unveiled its slope-roofed challenger, and much like Munich's Sport Activity Vehicle, we think the new GLE Coupe will split opinions rather dramatically. While it clearly shares its form factor with BMW's X4 and X6, the GLE Coupe's styling is all Mercedes, borrowing the more organic shapes used on the company's most recent new model, the AMG GT. Strips of chrome and the iconic silver arrow logo bisect a large, rectangular grille, while the fascia on the GLE 450 shown above features three rather dramatic lower air intakes. The headlights, meanwhile, fit in with MB's latest styling language. In back, slim, wraparound taillights share some resemblance with the new S-Class Coupe. The cabin is recognizable and looks to be of extremely high quality, with the featured vehicle showing off quite a lot of carbon-fiber trim. A thick-rimmed, flat-bottomed steering wheel dominates the driver's area, while a large, tablet-like display crowns the center stack. The same sort of touch-controlled interface and input dial found on the new C-Class controls the information on that screen. Under the chiseled hood of the GLE 450 AMG, the first of Mercedes' AMG Sport models, sits a 3.0-liter, twin-turbocharged V6. Unlike the 329-horsepower unit in the C400 and E400, the force-induced V6 generates 362 hp and an equally robust 384 pound-feet of torque. It's mated up to a new nine-speed automatic transmission and Mercedes' 4Matic all-wheel-drive system. A new version of the popular Airmatic suspension is being offered with the ADS Plus continuously variable dampers while Mercedes is also fitting its Active Curve System, complete with active roll stabilization. Mercedes doesn't provide many additional details on the GLE Coupe range, as it were. We know about the 450 AMG, but it's not clear whether there will be a GLE 400 or non-AMG 450, or if Mercedes will move it down market and offer a GLE 350 to compete with the X6's xDrive35i. There's also no mention of when or where the new model will debut, although previous reports point to the 2015 Detroit Auto Show. Prices and an on-sale date, meanwhile, have not been revealed. Scroll down for the full press blast from Mercedes-Benz on its newest model, the 2016 GLE Coupe. Premiere: Mercedes-Benz GLE Coupe A sportier choice Stuttgart.