Mercedes concept changes aero space

Mercedes concept changes aero space

Mercedes-Benz has built a Transformer.

The German manufacturer’s Concept IAA (Intelligent Aerodynamic Automobile), unveiled at the Frankfurt Motor Show, literally changes its body to improve aerodynamics.

The four-door ‘coupe’ automatically changes to a super-slippery mode’ at 80km/h, achieving an impressive drag coefficient of 0.19.

Similar in styling to the S-Class and S-Class Coupe, the aero mode radically changes the bodywork. Eight segments extend at the rear, stretching the car another 390mm; flaps in the front and rear bumpers extend by 25mm and 30mm respectively, improving airflow around the front end and the wheel arches. A louvre in the front bumper moves back by 60mm to improve airflow underbody.

The ‘active rims’ alter their cupping from 55mm to zero.

Mercedes already has the slipperiest car on the road – its A-Class based CLA Coupe, but the new ‘Transformer’ concept car paves the way for some interesting advances in the future.

Around a million hours of CPU time was spend computer modelling airflow dynamics during the project.

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