June 17, 2013 – The CLA is set to establish a new segment, with world-leading aerodynamics (Cd value of 0.22), avant-garde coupé design. As a new four-door coupé it follows the idea of the CLS, whose design concept has spawned more than its fair share of imitators since its debut in 2003.
With a Cd value of 0.23, the CLA sets a new benchmark – both within the Mercedes-Benz model range and among all production vehicles. The drag area, Cd x A – which is crucial to consumption at speeds above 60 km/h – also leads the field, at 0.51 m².
The good air flow characteristics, which are a major contributory factor to the vehicle's low fuel consumption in everyday conditions, result from numerous aerodynamic optimisation measures. These include a low A-pillar shoulder with adapted A-pillar geometry, aerodynamically optimised exterior mirrors, streamlined rear section, wheels designed for low aerodynamic drag and serrated wheel spoilers on the front and rear wheel arches.
Extensive underbody panelling, additional panelling in the middle area of the rear axle and an aerodynamically optimised rear silencer followed by a diffuser improve the flow of air under the underbody. When it comes to aeroacoustics too, i.e. noise level comfort, the four-door coupé is also at the top of its game.