The invention relates to a lock with a lock mechanism comprising a locking device (6, 7) and an actuation device (8, 8d). The locking device (6, 7) has at least one locking rod which can be actuated by the actuation device (8, 8d), and the locking device (6, 7) has a preferably spring-mounted latch (11). The at least one locking rod (7, 17) and the latch (11) are designed to be movable relative to each other, and the at least one locking rod (7, 17) interacts directly or indirectly with the latch (11) in order to control the latch (11). The locking device (7) has an auxiliary latching device (12) in the region of the latch (11), said auxiliary latching device being controllable via the striker plate 4s or a striker plate-side part and interacting with the locking rod (7, 17) in order to block or release the locking rod (7, 17). In the process, the locking rod (7, 17) interacts with the latch (11) and the auxiliary latch (12) such that a) when the auxiliary latch (12) is actuated and the latch (11) is not actuated, the locking rod (7, 17) is blocked and is not released, b) when the auxiliary latch (12) and the latch (11) are actuated at the same time, the locking rod (7, 17) is blocked and is not released, and c) by subsequently withdrawing the latch (11) while the auxiliary latch (12) remains actuated when the auxiliary latch (12) and the latch (11) are actuated at the same time, the locking rod (7, 17) is unblocked, thereby releasing the locking rod.
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