LAS VEGAS, NV - JANUARY 05:  A Mercedes-Benz  F 015 autonomous driving automobile is displayed at the Mercedes-Benz press event at The Chelsea at The Cosmopolitan of Las Vegas for the 2015 International CES on January 5, 2015 in Las Vegas, Nevada. CES, the world's largest annual consumer technology trade show, runs from January 6-9 and is expected to feature 3,600 exhibitors showing off their latest products and services to about 150,000 attendees.  (Photo by David Becker/Getty Images)