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Merc SL will get aluminium tech

Merc SL will get aluminium tech

Mercedes will break new ground using the sixth generation of their inimitable Mercedes SL roadster the coming year by looking into making it the initial Mercedes in large-scale series production to make use of a nearly solely aluminium lightweight construction.

In a preview event held near to last week’s La motor show, Mercedes demonstrated journalists a completed illustration of the brand new two-seater grand convertible’s ‘body-in-white’ superstructure.

See the official pics of the new Mercedes SL’s tech and in testing

Produced from a mixture of chill cast-, vacuum die cast-, placed- and extruded aluminium, it enables the finished 2012 SL to become at the same time 140kg lighter compared to outgoing steel vehicle, and 20 percent more torsionally rigid – towards the enhancement of handling precision, moving refinement, performance and fuel-efficiency.

Mercedes’ CAD-optimised the perception of the SL’s monocoque is even stiffer than other aluminium-built rivals – approximately the firm claims. “Our engineers have measured a Jaguar XK’s body stiffness around 16,000Nm per amount of torsional deflection,” stated SL Product Manager Bernd Stegmann. “The new SL just under 20,000Nm per degree.”

The different metal castings and tailored blanks from the SL’s body-in-white-colored are connected via different techniques, for the way much load they transmit. Although some areas of the underbody are MIG welded, hemmed, glued and screwed, other medication is became a member of via condition-of-the-art friction stir welding – a method that enables for particularly stiff, precise joins.

With mainly aluminium body sections, the only real significant areas of the brand new Mercedes that aren’t aluminium are its pedestrian-protection-oriented plastic ‘soft nose’ grille, its super-lightweight magnesium rear bulkhead, and it is tubular steel A-support beams and header rail. Steel is selected for its very high strength in case of a rollover.

Mercedes’ engineers wouldn’t be attracted to verify lots of other particulars concerning the new convertible a week ago, which is revealed legitimate in the Detroit motor show in The month of january. But Stegmann did tell Autocar that diesel or gas-electric hybrid verions from the SL have been eliminated.

“SL clients are very loyal, plus they know what they need in the vehicle,” he stated. “Quality, refinement, safety, design appeal, and some dynamic ability. But many of these cars would be the third or 4th in someone’s collection: so gas mileage really isn’t important.Inches

Matt Saunders

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  • Medown
    August 14, 2016 at 9:28 am

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