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Low drag is crucial to achieving outstanding efficiency. From a speed of just under 70 km/h, aerodynamic drag exceeds the sum total of all other driving resistance factors. As such, drag constitutes a major parameter in efforts to reduce fuel consumption and CO2 emissions. With a Cd value of 0.24 for the C 220 BlueTEC ECO, the new C-Class Saloon sets a new benchmark in the mid-range segment. The wind noise level, which was already very low in the preceding generation of the C-Class, has been lowered still further. The engineers have also devoted painstaking attention to optimising other potential sources of disturbance which may have an adverse effect on the driver's and passengers' wellbeing and concentration, even though they may not consciously notice the effects. NVH (noise, vibration, harshness) is the technical term for such nuisance factors. The specialists have optimised the noise characteristics of the interior blower, the power windows, the seat adjustment functions and many other actuation and operating noises, for example. As a result, the new C-Class occupies a benchmark position in its segment.
|2014 Mercedes-Benz C-Class Driving Review|
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