Mercedes adds steer-by-wire — and a dang steering yoke — to the EQS

Steer-by-wire, in which a car can be steered electronically rather than through a physical connection between the steering wheel and steering rack, is coming to Mercedes-Benz. The German automaker says it will use the steering technology in its forthcoming refreshed EQS sedan, marking its first foray into the world of steer-by-wire.

Steer-by-wire systems replace traditional mechanical steering mechanisms that include racks and pinions with electronically controlled servos. Commonly used in airplanes...