Unlocking mechanism for vehicle seats

An unlocking mechanism (11, 20, 24) for a vehicle seat (1), in particular for a motor vehicle seat, which has a seat part (2) connectable to a vehicle structure and a backrest (3) which is pivotable and lockable relative to the seat part (2) by means of hinge fittings (5), has a backrest unlocking device (11) for unlocking the hinge fittings (5) and a manually movable actuating element (20) for triggering the backrest unlocking device (11), which with a second movement possibility triggers a base unlocking device (24) that at least partially separates the seat part (2) from the vehicle structure.