Click above for a hi-res gallery of the new Mercedes-Benz E-Class Coupe You can have all the most efficient engines in the world, but if you’re trying to drive a barn through a hurricane they are not going to help one bit. Mercedes knows that, which is why, in addition to highly fuel-efficient engines packed under the hood, Mercedes has made its new E-Class Coupe, details of which have just emerged before the new model’s debut at the upcoming Geneva Motor Show , what it claims to be the most aerodynamically efficient production vehicle on the market: a svelte 0.24 coefficient of drag (the 2010 Prius has 0.25 ). Partnering the wind-cheating new shape of the E-Class Coupe, which replaces the outgoing CLK and joins the new E-Class sedan just unveiled a few months ago, is a range of fuel-sipping engines, including the new four-cylinder turbo-diesel E 250 CDI BlueEFFICIENCY, which offers more power and torque than the model it replaces while returning 17 percent better fuel economy (5.3 liters per 100 kilometers on the European combined cycle) and emitting 138 grams of carbon dioxide per kilometer. Efficiency is also optimized by use of on-demand activation for the steering and fuel pumps, a dynamic alternator and tires with low rolling resistance, which join the roster of new driving and safety systems you can Car Blog Greenabout in the press release after the jump. See more photos of the new E-Class Coupe in the gallery below. Gallery: 2010 Mercedes-Benz E-Class Coupe [Source: Mercedes-Benz] Continue reading New Mercedes E-Class Coupe couples low drag coefficient to efficient engines Auto Blog: Mercedes Benz , Geneva Motor Show New Mercedes E-Class Coupe couples low drag coefficient to efficient engines originally appeared on AutoblogGreen on Tue, 17 Feb 2009 12:34:00 EST. Please see our terms for use of feeds .Car Blog Green | Car Blog Green | Car Blog Green

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New Mercedes E-Class Coupe couples low drag coefficient to efficient engines