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2015 Mercedes-Benz ML400 Quick Spin

Mercedes-Benz has taken a risk in its quest to downsize its engine range. For 2015, the brand's popular M-Class five-passenger CUV did away with its trusty 4.4-liter, twin-turbocharged V8, and has replaced it with a 3.0-liter, twin-turbocharged V6. It's no surprise that power is down thanks to this move. Outputs of 402 horsepower and 443 pound-feet of torque are replaced by 329 hp and 354 lb-ft, but weight is down significantly as well. The new ML400 is nearly 300 pounds lighter than the 4,982-pound ML550. Will that tradeoff be enough to satisfy a buying public that's embraced falling fuel prices by buying bigger and thirstier vehicles? To find out if the blown V6 is a suitable replacement for the twin-turbo V8, we spent a week at the helm of the all-new ML400. Driving Notes This 3.0-liter, twin-turbocharged V6 is the same engine being offered in the C400 and E400 sedans. Typical of today's turbocharged engines, peak torque is spread lavishly across the rev range, from 1,600 to 4,000 rpm. That's not as generous a spread as the ML550, which offers all its torque between 1,600 and 4,750, but the power on offer is easy to access. Importantly, the new V6 never feels flat-footed or unable to answer our commands. In fact, the ML400 feels even quicker than its six-second sprint to 60 would indicate, although it's not so fast as to challenge the 5.3-second time of the ML550. After a slight and expected bout of turbo lag, the power arrives suddenly and proceeds linearly until just south of the engine's 6,500-rpm redline. The throttle response is soft in Eco mode, as expected, but sharpens up slightly when the fuel-sipping mode is off, where the gas pedal is still easy to modulate. It's a quiet engine, too. Compared to the brawnier exhaust note of the old ML550 or the howling six-cylinder in the BMW X5 xDrive35i, the ML400's note is smooth and refined, befitting of a V6. Its turbocharged nature is instantly noticed, though. Get on the throttle and the 3.0-liter happily hisses its way up the tachometer. But, it's only when you get on the throttle hard that the engine really weighs in. In day-to-day driving and traffic its soundtrack is unobtrusive and relaxed. The EPA rates the ML400's fuel economy at 18-miles-per-gallon city and a 22-mpg on the highway. That's better than the 14 city and 19 highway of the old V8 ML, but it still seems a bit low, especially for the highway figure.

Mercedes GLC spotted nearly nude ahead of tomorrow's reveal

Mercedes is set to officially take the wraps off its new GLC-Class crossover tomorrow, but if you can't wait that long, here it is all but completely undisguised. The GLC, for those just joining us, is the replacement for the GLK, rounder and renamed to align more closely with the C-Class. It was previewed as a slant-roofed concept in Shanghai, but as you can see, it'll reach production with a more conventional greenhouse. Rooflines (and various show-car details) aside, the production GLC looks pretty close to the aforementioned Concept GLC Coupe. Certain elements on this pre-production unit still remain taped up to keep from our prying eyes – though the engineer driving it doesn't seem to mind. We can at least hope that rather ungainly looking chrome lower rear bumper element is just there to throw us off, or will look more convincing as part of a complete package. But we'll be finding out one way or another tomorrow... so watch this space. Related Video:

Recharge Wrap-up: Daimler spending big for fuel cells, Ford Go!Drive experiment advances

Ford's Go!Drive experiment is entering its beta phase in London. The project, which is one of the automaker's global smart mobility experiments, uses a mobile app for on-demand carsharing of Ford Focus Electric and Ford Fiesta vehicles. The beta phase involves increasing the number of available vehicles from 20 to 50, and collecting new data from users. The program offers one-way rentals and guaranteed parking, with no membership fees and a cost of 26 cents per minute. Ford hopes to get 2,000 drivers involved in the program. Read more at Green Car Congress. Daimler will invest billions of dollars to upgrade the Mercedes-Benz Unterturkheim plant over the next few years. This year alone, it plans to spend $1.06 billion. The company expects cost savings "in the range of hundreds of millions of euros until 2020," while maintaining its workforce of 18,700 employees and adding 150 vocational training positions. The upgrades will allow the plant to become a center for building more efficient engines, hybrid powertrains and fuel cell systems. "Alternative drive systems are an important element of our future mobility," says Mercedes-Benz's Markus Schafer. "Their share of automotive production is set to steadily rise over the next few years, complementing our highly efficient engines within the portfolio. This is what we have laid the groundwork for today." Read more at Reuters, or in the press release below. The Department of Energy is providing $20 million in funding for the development of more efficient high speed industrial motors and drives. Ditching old motors and gearboxes for ones that use integrated power electronics could help decrease the energy consumption of the industrial sector, which currently uses more than 25 percent of the electricity generated in the US. The projects being funded will reduce losses and decrease the size of drive systems used in industries like petroleum refining and natural gas, which could affect the lifecycle efficiency of transportation fuels. Read more at Energy.gov.