The invention relates to a transmission parking lock, comprising an actuation rod (2) that can be moved in a substantially translational manner and carries an actuation element (3) and comprising a locking lever (6) that can be moved in a substantially rotational manner and carries a locking element (7), wherein in order to engage the transmission parking lock, the locking lever (6) can be pivoted from an idle position thereof into a locking position thereof by moving the actuation rod (2), in such a way that the locking element (7) engages in a recess (9) of a transmission gear (8) associated with a transmission shaft, and comprising devices (10, 16, 19, 20) that lift the actuation element (3) of the actuation rod (2) from the locking lever (6) in the idle position of the actuation rod.