Mercedes SLS AMG Roadster: Drop-top gorgeous - New Zealand Herald

The Roadster underwent an endurance trial - including 10,000km at the Nurburgring circuit and 10,000km in city traffic - to test the roof's performance.

Source: http://www.nzherald.co.nz/motoring/news/article.cfm?c_id=9&objectid=10725352

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