Mercedes SL video review

New Mercedes SL models don’t come along very often. There have been only six generations since the original 300SL. So can this lighter, faster, more efficient 430bhp twin-turbo V8 Mercedes SL500 live up to expectations? Read the review at http://www.autocar.co.uk/CarReviews/FirstDrives/Mercedes-Benz-SL-500-4.7-V8/261634/