An electric lock for a motor vehicle opening leaf includes a bolt, a pawl, a central opening lever, and an actuator with three abutment positions and capable of interacting with the central opening lever, the actuator including a driver. The driver includes a toothed driving wheel and a driven wheel. The driven wheel includes a second driving member, a motor intended for driving the actuator, a central transfer lever able to be moved by the driven wheel of the driver by the second driving member and the movement of which is capable of being transmitted to the central opening lever in order to move the pawl into its retracted angular position. One of the wheels of the driver includes a first circle-arc shaped oblong slot and the other wheel includes a first driving member extending through the first circle-arc shaped oblong slot.