Detroit Show 2010 Highlights: 2011 Mercedes E-Class Cabriolet

Bet you didn't know the origin of the word "cabriolet." In the horse-and-buggy era, the word was applied to lightweight open carriages pulled by two horses and used primarily for pleasure rides in fair weather. The word was pinched from the French verb "cabrioler," meaning "to cavort" -- move about carelessly, playfully or boisterously -- or "to cut a caper." The next installment in Mercedes-Benz's long line of "cavorters" isn't exactly lightweight, but it promises to extend pleasure driving well beyond the traditional fair-weather season, thanks to a new innovation dubbed Aircap.


Aircap is engineered to work with the headrest-mounted neck-warming Airscarf to make top-down driving comfortable in the chillier weather that prevails in the U.K., Germany, and other northern climes where convertible sales are strongest. The challenge presented to engineers was to provide a largely draft-free top-down driving experience for all four passengers, ruling out those mesh screen gizmos that render the rear seat unusable. They started work in the 1990s and developed several solutions that were functional but aesthetically unpalatable.



The decade-plus spent developing this concept will finally pay off on the 2011 E-Class. The solution consists of a discreet piano-black panel that normally lies flush along the top of the windshield header. When deployed, it rises 2.4 inches, erecting a nylon screen fence similar to those used by some sunroof wind deflectors. Another screen bridging between the rear head restraints simultaneously moves up into place at the touch of a button. About 50 percent of the air hitting the front screen flows through it, slowing down by about 30 percent. This helps create a laminar (smooth) airflow that nearly traces the profile of the convertible top, with calm air below, and turbulent air above. This calm air zone can be heated in winter or cooled in summer.
Thanks to: Motor Trend






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