A motor vehicle door latch device comprising: a body; an engagement unit that is housed in the body and comprises an engagement mechanism (5, 6) that can engage with a striker of the body; and an operating unit that comprises an operating mechanism that operates the engagement mechanism (5, 6) and a housing in which there is a storage space to house the operating mechanism, wherein the storage space is formed between a side of a first cover perpendicular to a front face of the body and a side of a second cover opposite the side of the first cover, the operating mechanism comprising: a locking motor; a locking worm wheel rotated by the locking motor; a locking mechanism that comprises a mechanical element that can be shifted between an unlock state for validating a door opening action of an external mechanical element outside a vehicle (v) and a lock state for invalidating it based on rotation of the locking worm wheel; a releasing motor disposed below the locking motor; and an electric release lever pivotally mounted to the housing via a release shaft and rotated by the releasing motor to enable the engagement mechanism (5, 6) to be released whether the locking mechanism is in the unlock state or the lock_state, wherein, if an entering line along which the striker enters a striker entering groove of the body to engage with the engagement mechanism (5, 6) is defined as a striker entering line X, a case for the locking motor is located above the striker entering line X, and a case for the releasing motor is located below the striker entering line X, characterized in that the releasing motor is positioned such that an output shaft pivotally mounted to the case for the releasing motor is directed downward. a body; an engagement unit that is housed in the body and comprises an engagement mechanism (5, 6) that can engage with a striker of the body; and an operating unit that comprises an operating mechanism that operates the engagement mechanism (5, 6) and a housing in which there is a storage space to house the operating mechanism, wherein the storage space is formed between a side of a first cover perpendicular to a front face of the body and a side of a second cover opposite the side of the first cover, the operating mechanism comprising: a locking motor; a locking worm wheel rotated by the locking motor; a locking mechanism that comprises a mechanical element that can be shifted between an unlock state for validating a door opening action of an external mechanical element outside a vehicle (v) and a lock state for invalidating it based on rotation of the locking worm wheel; a releasing motor disposed below the locking motor; and an electric release lever pivotally mounted to the housing via a release shaft and rotated by the releasing motor to enable the engagement mechanism (5, 6) to be released whether the locking mechanism is in the unlock state or the lock_state, wherein, if an entering line along which the striker enters a striker entering groove of the body to engage with the engagement mechanism (5, 6) is defined as a striker entering line X, a case for the locking motor is located above the striker entering line X, and a case for the releasing motor is located below the striker entering line X, characterized in that the releasing motor is positioned such that an output shaft pivotally mounted to the case for the releasing motor is directed downward. a locking motor; a locking worm wheel rotated by the locking motor; a locking mechanism that comprises a mechanical element that can be shifted between an unlock state for validating a door opening action of an external mechanical element outside a vehicle (v) and a lock state for invalidating it based on rotation of the locking worm wheel; a releasing motor disposed below the locking motor; and an electric release lever pivotally mounted to the housing via a release shaft and rotated by the releasing motor to enable the engagement mechanism (5, 6) to be released whether the locking mechanism is in the unlock state or the lock_state, wherein, if an entering line along which the striker enters a striker entering groove of the body to engage with the engagement mechanism (5, 6) is defined as a striker entering line X, a case for the locking motor is located above the striker entering line X, and a case for the releasing motor is located below the striker entering line X, characterized in that the releasing motor is positioned such that an output shaft pivotally mounted to the case for the releasing motor is directed downward.