A Sorta-Self-Driving Mercedes Tackles Americans' Greatest Fear: the Roundabout

Robocars are a bit like infants--we teach them in steps. First, humans gave them the ability to drive down the highway without smashing into things. Then humans taught them to change lanes without smashing into things. Now, self-driving vehicles finally mastering taking turns without smashing into things. The methodical German engineers behind the 2018 Mercedes-Benz S-Class want their baby to move beyond simplistic freeway driving, and onto the roads that wind through towns, villages, and cities.