The 2018 Mercedes-Benz A-Class Saloon is the world’s most aerodynamic new car

No car slips through the air more easily

2018 Mercedes-Benz A-Class Saloon aero world recordMercedes-Benz consistently produces some of the most aerodynamically efficient new cars on sale. The new 2018 A-Class Saloon has jumped straight to the top of the pile with an unbeatable set of aerodynamic efficiency stats.

The new four-door A-Class boasts a Cd drag factor of just 0.22 which, when combined with a compact frontal area of 2.19 metres squared, gives it the lowest drag of any production vehicle in the world.

It beats the previous record-holder, also a Mercedes-Benz: the CLA Coupe.

2018 Mercedes-Benz A-Class Saloon aero world record

The new record shows just how much more aerodynamic saloons, with their smooth and elongated rears, are than comparable hatchbacks. The Mercedes-Benz A-Class hatch has a Cd of 0.25.

There haven’t been any particularly special tricks to cheat the wind, says Mercedes-Benz, just a series of tireless detail engineering. It has, for example, meticulously sealed the headlamp surrounds and almost the entire underbody, and tuned front and rear wheel spoilers to direct air around the wheels.

It tuned both the shape of the wheels and, impressively, the tyres themselves. Also offered will be an active grille, which can shut off when extra engine cooling is not required, so air passes smoothly around the engine bay rather than being dragged into it.

And the benefit of such excellent aerodynamic efficiency? Excellent real-world fuel consumption, particularly for those cruising up and down the motorway. We’ll find out just how impressive it is in the real world when the new A-Class Saloon goes on sale towards the end of 2018.

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Richard Aucockhttps://www.motoringresearch.com/
Richard is director at Motoring Research. He has been with us since 2001, and has been a motoring journalist even longer. He won the IMCO Motoring Writer of the Future Award in 1996 and the acclaimed Sir William Lyons Award in 1998. Both awards are run by the Guild of Motoring Writers and Richard is currently chairman of the world's largest organisation for automotive media professionals. Richard is also a juror for World Car Awards and the UK juror for the AUTOBEST awards.

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