The object of the invention is a motor vehicle door lock that is equipped with a lock housing (4), also with a lock cylinder nut (3) supported in the lock housing (4), and at least one locking element (9) that can be acted upon by the lock cylinder nut (3) via a positioning element (8). According to the invention, the lock cylinder nut (3) has a connected eccentric element (6). Said eccentric element (6) engages in an eccentric mounting (7) of positioning element (8) in order to displace it.