Mercedes-Benz unveiled all-new IAA concept

German automobile manufacturer Mercedes-Benz revealed in Frankfurt its IAA concept –IAA stands for Intelligent Aerodynamic Automobile. Concept vehicle has record-breaking drag coefficient cd at 0.19, 41 miles (66 kilometers) of electric range and amazing “live body” -- on reaching a speed of 80 km/h, the Mercedes-Benz IAA concept performs a fascinating transformation in which the captivatingly beautiful four-door coupe turns into an aerodynamics world champion: eight segments extend at the rear, increasing its length by up to 390 millimeters; front flaps in the front bumper extend by 25 mm to the front and 20 mm to the rear, improving the airflow around the front end and the front wheel arches; the Active Rims alter their cupping from 55 mm to zero and the louver in the front bumper moves 60 mm to the rear, improving the underbody air flow.

10/9/15 5:00 am chumakdenis 1

Mercedes-Benz definitely knows how to draw attention to their vehicles and this presentation wasn’t an exclusion from rules.

During the presentation of the new IAA (Intelligent Aerodynamic Automobile) concept vehicle, there was so crowdy that people were actually standing on top of each other heads.

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What for?

Well, let’s figure it out.

2 vehicles in one

The Mercedes-Benz IAA is two cars in one: an aerodynamics world champion with a Cd value of 0.19 and a four-door coupe embodying irresistible design.

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The study, which is celebrating its world premiere at the Frankfurt International Motor Show, switches automatically from design mode to aerodynamic mode when the vehicle reaches a speed of 50 miles (80 km/h), whereby numerous aerodynamics measures alter the shape of the vehicle.

 

Inside, the “Concept IAA” continues the design line of the S-Class and S-Class Coupe and offers new touch-based functions and provides an idea of what the interior of a business saloon might look like in the near future.

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At the touch of a button, or automatically on reaching a speed of 50 miles(80 km/h), the Mercedes-Benz IAA (Intelligent Aerodynamic Automobile) performs a fascinating transformation in which the captivatingly beautiful four-door coupé turns into an aerodynamics world champion: eight segments extend at the rear, increasing its length by up to 390 millimeters; front flaps in the front bumper extend by 25 mm to the front and 20 mm to the rear, improving the air flow around the front end and the front wheel arches; the Active Rims alter their cupping from 55 mm to zero and the louver in the front bumper moves 60 mm to the rear, improving the underbody air flow.

4976.jpg“Fascinating and technically sophisticated cars form the core of Mercedes-Benz. The ‘Concept IAA’ applies intelligent innovations to resolve the conflicting aims of functionality and aesthetics and shows that we still have plenty of ideas on how to achieve further improvements in efficiency” -   said Prof. Dr Thomas Weber, Member of the Daimler Board of Management responsible for Group Research and Head of Mercedes-Benz Cars Development.

Digital networking

Equally, the IAA exemplifies the fundamental technological changes which are taking place in the automobile industry. The primary driving force behind this process of change is digitization – commonly referred to in a business context as “Industry 4.0”. For Mercedes-Benz, a continuous digital process chain from research and development through production to marketing and sales, logistics, and the service area is already becoming part of the reality.

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The design and aerodynamic shaping of the IAA concept vehicle would not have been possible without the systematic digital networking of different specialist departments. The designers have employed the latest algorithmic design methods to handle the complex geometric design. The individually adapted software enables dynamic design in three-dimensional space. This dynamic modeling makes it possible to display and model different states simultaneously. The resultant highly complex geometries were turned into reality with the aid of innovative production technologies (rapid prototyping).

The world-beating aerodynamics was developed in parallel with the aid of numeric flow simulation. In around one million CPU hours, the aerodynamics experts from Mercedes-Benz simulated the flow characteristics, calculating some 300 variants. This roughly corresponds to the scope of work involved in developing a production model.

The “Concept IAA” also offers a look into the future in areas which are not apparent at first glance. The study features Car-to-X technology, for example, which enables the study to communicate with other vehicles or other sources of information.

This represents a major advance in helping to avoid accidents, as obstacles or events which are not visible to the vehicle itself can be detected – the IAA is able to look around the corner, as it were. With this and its interior and operating concept, the IAA also offers a foretaste of the business saloon of the near future.

Exterior

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With vehicle’s dynamic shape (“drop shape”), elegantly purist overall design and aerodynamic innovations, the four-door IAA Coupe Saloon is a symbiosis of design and aerodynamics. The vehicle interprets classic sports car proportions in a modern vein: the long hood flows aerodynamically into the compact, set-back greenhouse, whose roof slopes down elegantly towards the rear, ending in an airflow break-away edge.

 

The brand-new vehicle is 5040 millimeters long (5430 mm in aerodynamic mode), 1995 mm wide and 1305 mm high. Its wheelbase measures 2975 mm, and the front/rear track widths are 1710 and 1770 mm respectively.

The vehicle’s elegant side view combines a purist, long basic volume with highly pronounced wheel arches. The sporty, minimalist front of the show car boasts a striking “shark nose” profile. Like the front, the show car’s rear end also presents a clear-cut and purist appearance. As on the front grille, horizontal louvers lend structure to the shape of the rear end. An illuminated ring running around the rear end adds the finishing touch to the high-tech appearance.

4974.jpg“The ‘Concept IAA’ continues our series of visionary concept cars” - explains Gorden Wagener, Head of Design at Daimler AG.

“The symbiosis of alluring forms showcasing intelligent aerodynamics is an expression of our unique Mercedes-Benz design philosophy.”

Interior

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The interior of the IAA concept vehicle combines stylish sportiness with modern luxury. The interior continues the design line of the S-Class and S-Class Coupe while providing an idea of what the interior of a business saloon might look like in the near future. The choice of colors and materials conjures up extrovert contrasts between anthracite and white as well as between aluminum and cut glass. Elegantly curved forms, flowing lines, carefully chosen high-quality materials and the touch-based operating philosophy provide for a high level of functionality.

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The two-spoke steering wheel is a progressive further development of the Mercedes-Benz steering wheel philosophy. The open structure of its horizontal spokes is highly intricate in design, as a manifestation of intelligent and elegant lightweight construction. The steering wheel also incorporates touch-based operating functions, offering great functionality in the most compact dimensions as a study in perfect ergonomics: OFN (Optical Finger Navigation) buttons, embedded in the clusters in a similar hovering manner as the touchpad in the central console, enable the driver to scroll through the instrument cluster menus. The OFN button on the left controls the left-hand display while the button on the right controls the right-hand display. In this way, the “hands on the wheel, eyes on the road” operating philosophy which has been applied by Mercedes-Benz for many years now is implemented in a manner which is at once brilliantly simple and uncompromising.

4975.jpg“Captivatingly sporty lines, fascinating technical solutions: the Concept IAA symbolizes the emotional core of Mercedes-Benz: The best or nothing. And it shows in a host of details what our customers can look forward to in future production models,”  - said Ola Källenius, Member of the Board of Management of Daimler AG, Mercedes-Benz Cars Marketing & Sales, summing up the visionary concept.

Performance numbers

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The concept car is powered by a petrol/electric plug-in hybrid drive with a total output of 205 kW (279HP). This provides it with a top speed of 155 miles (250 km/h) -- electronically limited. CO2 emissions and electric range depend on the mode in which the vehicle is tested: in the aerodynamic mode the concept manages an all-electric range of 66 kilometers (44 miles) and emits 28 g CO2 per km. In the design mode the range stands at 62 km (39 miles) and CO2 emissions at 31 g per km. As urban driving is accorded a two-thirds weighting in the current New European Driving Cycle (NEDC), the advantage of the aerodynamic mode is not revealed as clearly in this test as in real-life driving. Real-life fuel savings are all the greater, however – in keeping with Mercedes-Benz’s customer-oriented “Real Life Efficiency” philosophy.

Part of a long line

The “Concept IAA” show car forms part of a long line of aerodynamically perfected vehicles from Mercedes-Benz. With a dimensional concept that makes it suitable for everyday use, this four-seater attains a Cd value of 0.19, assuring it of a place in the gallery of record-breaking and racing vehicles such as the Mercedes-Benz W 25 record-breaker of the 1936 season.

As of now, the models from Mercedes-Benz occupy the top position for aerodynamics in practically every vehicle segment. In 2013, the Mercedes-Benz CLA attained a Cd figure of 0.22 – marking a new all-time low both within the Mercedes-Benz model portfolio and amongst all series production cars.

Production

This special concept is nowhere near to production and, more likely, we won’t see this vehicle hitting the production for quite a long time, but one thing we know for sure – it’s worth to wait it.

Let’s wish Daimler AG good luck and wait.

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