借助于伺服电机来支撑驾驶员在转向过程中施加的转向力，该伺服电机通过齿轮和链条作用在转向系统上，从而减小了驾驶员施加的力。与液压转向助力器相比，电动转向助力器效率更高，消耗的电流更少。

        Supports the steering force to be applied by the driver during steering by means of a servo motor that acts via gears and chains on the steering system and reduces the force to be applied by the driver. In contrast to the hydraulic steering booster the electric steering booster is more efficient and consumes less current.