The 2012Mercedes-Benz SLS AMG Roadster is only set to make it’s world premier at the Frankfurt/Main International Motor Show in September, but pictures and information of the vehicle testing have already been released.

2012 Mercedes-Benz SLS AMG Roadster improved

The gull-wing doors and the fixed roof have obviously been dropped which had lead to certain challenges and increased testing for the Merc designers.

Being a soft-top one of the biggest challenges was bodyshell rigidity and the handling of the vehicle, as well as providing the same superior driving dynamics experienced in the coupe’ version. “Without bodyshell rigidity there are no handling dynamics, and neither can the close fit of the soft top be guaranteed” comments Tobias Moers, head of development.

Mercedes tackled this problem with the following two features that would ultimately increase the rigidity of the bodyshell: Firstly the cross-member carrying the dashboard has additional supporting struts at the windscreen frame and centre tunnel. Secondly, the strut mounting stay between the soft top and the fuel tank has improved the rigidity of the rear axle. This has led to a reduction in vibration, as well as allowing the top to be safely opened and closed while driving up to 50km/h.

Look for more information on the 2012 Mercedes-Benz SLS AMG Roadster closer to its official release.