[BenzFan]

* Demand-controlled cooling air, using adjustable radiator shutter

* Optimized front apron

* Low A-Pilar

* Aerodynamically optimized exterior mirror housings

* Aerodynamically optimized rear end design (flush-fitting boot lid and fins in the tail lights)

* Aerodynamically optimised rear silencer with downstream diffuser

* Wheels and tyres with low air resistance

* Slotted wheel arch linings

* Serrated wheel spoilers at the front and rear wheels

* Large area of underbody pannelling and additional cladding in the centre rear axle area

 

[BenzFan]

* Large Diffuser

* Aero-baffles

* Optimized Main Cover

* Slotted wheel house liner

* Innovative front wheels spoiler

* Optimized lower stiffener

* Engine cover

* Cover for rear axle subframe

* Aero-covers for spring links

* Optimized rear muffler

 

[AMG4Matic]

I'm guessing all of these small things is what makes the CLA so aerodynamic and give it less drag.

 

[fastlane]

That's pretty crazy. The CLA seems to be as aerodynamic as some race cars with that lengthy list of aerodynamic features mercedes benz has included.