An automated driving breakthrough set to reach public roads this year likely will motor into a thicket of legal complications and other hurdles.
Mercedes-Benz plans to sell vehicles equipped with Drive Pilot, a Level 3 automated system and the first of its kind in the marketplace. Such a system can maintain control and responsibility of a car in certain scenarios. However, the human driver must take control upon the system's request.
When active, Drive Pilot allows motorists to shift their attention from traffic, according to Mercedes.
Volvo and Audi tried to offer similar systems years ago, abandoning them after finding they could not untangle the legal, regulatory and safety quandaries that still accompany Level 3 driving.
Level 3 systems are "an engineer's dream and a plaintiff attorney's next yacht," said Bryan Reimer, a research scientist at …