By Alex Lauer For years automakers have been beefing up their semi-autonomous functionality, allowing certain vehicles to perform previously unthinkable functions, like staying centered in a lane, changing lanes and keeping a set distance behind other cars. And yet, for all our seemingly rapid advances in driver-assistance systems, there’s always been one major caveat: you still must be ready to take over at any time. You, the driver, are still always considered to be driving, even when your hands are off the wheel. Well, until now. In December, Mercedes-Benz announced it had received internat…
