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Mercedes is going above and beyond to hide its latest concept car.

AutoGuide.com‘s spy photographers have caught what might be the most concealed concept car in the history of spy photos, as the German automaker is preparing something new for the upcoming auto show season. With very little to go off of, we do get an idea that the concept is futuristic in nature with a sleek and long body along with a round shape and narrow tires.

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The narrow tires hint that the concept will probably be an all-electric vehicle or at least very fuel efficiency conscious, which is also suggested by its design that emphasizes aerodynamics.

What do you think the German automaker is working on?

GALLERY: Mercedes-Benz Concept Car Spy Photos

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