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The new Mercedes-Benz SLK: Passion meets efficiency - Daimler

The new Mercedes-Benz SLK: Passion meets efficiency - Daimler

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side impact protection. <strong>The</strong> well-proven A-pillars with welded-in oval tubes ofhot-formed ultra-high-strength steel and a robust nodular connection to theside members remain unchanged.Page 21To keep the cost of minor damage caused by a frontal impact at speeds up to15 km/h reasonable, the front side members have a prescribed cutting pointfor a sectional repair, and their shape causes them to bend ahead of this areain the event of a collision.Exemplary aerodynamicsDespite the more striking, steeper front and the just under three percent largerfrontal area compared to the previous model, the Cd value for the <strong>new</strong> <strong>SLK</strong> hasbeen cut to just 0.30 – a very good figure for a roadster (the preceding modelhad a Cd value of 0.32). This improvement has enabled CO2 emissions to bereduced by roughly one to two grams per kilometre. Once again this shows thatthe engineers at <strong>Mercedes</strong>-<strong>Benz</strong> have made good use of many possibilities toenable <strong>SLK</strong> owners to enjoy the fun factor in the <strong>new</strong> roadster with an easyconscience - thanks to its high environmental compatibility.<strong>The</strong> aerodynamic data for the <strong>new</strong> <strong>SLK</strong>-ClassNew <strong>SLK</strong>-Class*Previous model*Drag coefficient Cd 0.30 0.32Frontal area (A) sq. m. 1.98 1.93Wind resistance Cd x A sq. m. 0.59 0.62*with vario-roof closedIn addition to familiar features such as a spoiler lip on the upper edge of theboot lid, wheel spoilers in front of the front and rear wheels, and a full enginecompartment and underbody cladding concept, the excellent drag coefficient isespecially due to:• A radiator shutter for demand-related control of the cooling airflow,• highly aerodynamic tyres,• <strong>new</strong>ly designed exterior mirrors and• painstaking modifications to the A-pillar cladding.<strong>Daimler</strong> Communications, 70546 Stuttgart/Germany<strong>Mercedes</strong>-<strong>Benz</strong> – A <strong>Daimler</strong> Brand

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