Mercedes-Benz Has A Concept Car That Grows By Nearly 16 Inches

Aaron Cole
by Aaron Cole

While it may or may not be the next-generation Mercedes-Benz CLS-class (note: probably not), the automaker took the wraps off a transforming concept car that grows in length significantly at highway speeds to better cut through air.

The Mercedes-Benz IAA concept (Intelligent Aerodynamic Automobile) was shown off Tuesday in Frankfurt and, according to the automaker, can grow by 390 millimeters to achieve a drag coefficient world record of 0.19. (The current generation Prius is around 0.25, for reference.)

The whole thing is powered by a hybrid powertrain that’ll never see the light of day and sports an interior array of electronics that’s probably something out of “Minority Report.” It’s the moveable aerodynamic elements on the IAA that could see production, and there are a lot of them.

In addition to the growing tail (Jalopnik has a gif, here) the IAA features other adaptive aero elements that help the car cut through the air. Flaps on the front and rear wheels grow by 25 millimeters and 20 millimeters respectively to cut down drag, and the front bumper’s louvres reach 60 millimeters underneath the car toward the rear to improve aero under the car. The five-spoke wheels also transform into discs at speeds over 50 mph, according to the automaker.

Mercedes-Benz showed off four other cars at its Frankfurt reveal including the new C-Class Coupe (including the already released AMG C-Class Coupe) an S-Class cabrio (and AMG variant) and its Smart Fortwo cabrio.



Aaron Cole
Aaron Cole

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  • Redapple2 4 Keys to a Safe, Modern, Prosperous Society1 Cheap Energy2 Meritocracy. The best person gets the job. Regardless.3 Free Speech. Fair and strong press.4 Law and Order. Do a crime. Get punished.One large group is damaging the above 4. The other party holds them as key. You are Iran or Zimbabwe without them.
  • Alan Where's Earnest? TX? NM? AR? Must be a new Tesla plant the Earnest plant.
  • Alan Change will occur and a sloppy transition to a more environmentally friendly society will occur. There will be plenty of screaming and kicking in the process.I don't know why certain individuals keep on touting that what is put forward will occur. It's all talk and BS, but the transition will occur eventually.This conversation is no different to union demands, does the union always get what they want, or a portion of their demands? Green ideas will be put forward to discuss and debate and an outcome will be had.Hydrogen is the only logical form of renewable energy to power transport in the future. Why? Like oil the materials to manufacture batteries is limited.
  • Alan As the established auto manufacturers become better at producing EVs I think Tesla will lay off more workers.In 2019 Tesla held 81% of the US EV market. 2023 it has dwindled to 54% of the US market. If this trend continues Tesla will definitely downsize more.There is one thing that the established auto manufacturers do better than Tesla. That is generate new models. Tesla seems unable to refresh its lineup quick enough against competition. Sort of like why did Sears go broke? Sears was the mail order king, one would think it would of been easier to transition to online sales. Sears couldn't adapt to on line shopping competitively, so Amazon killed it.
  • Alan I wonder if China has Great Wall condos?
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