Take an in-depth look at the many unique features of the SLS AMG GT3 sports car with Assistant Product Manager William Vetter.
Learn more about classic Mercedes-Benz vehicles: http://mbenz.us/M13sTP
Join the conversation: https://www.facebook.com/mercedesbenzusa
Follow us on Twitter: https://twitter.com/mbusa
Mercedes AMG - Mika Häkkinen prepares to return to racing in the SLS AMG GT3.