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, the electronic system takes inputs from the driver and relays them to electronic actuators that then control the direction of the wheels on t …