A handle for a door leaf of a motor vehicle, including: - a mechanical actuating system of a door leaf locking device; - a gripping lever of said handle; - an integral outer cap surmounting the gripping lever and including: • a gripping portion covering the gripping lever, and • a masking portion extending in the prolongation of the gripping portion and covering the mechanical actuating system of the door leaf locking device when the handle is mounted on the door leaf, for a closed position of the handle, - permanent retention means designed to ensure the permanent coupling of a first portion of the outer cap on the gripping lever; - retractable retention means, which are directly accessible and manipulable by a user for an open position of the handle when said handle is mounted on the door leaf, positioned inside the outer cap, movable between: ∘ a coupling position in which said retractable retention means ensure the coupling of the outer cap on the gripping lever at a second portion of the outer cap, and ∘ a separating position in which said retractable retention means allow a separation of the outer cap and the gripping lever at said second portion of the outer cap and in which the masking portion uncovers the mechanical actuating system of the door leaf locking device when the handle is mounted on the door leaf, so as to authorize a manipulation of the mechanical actuating system of the locking device, said handle being characterized in that the retractable retention means are positioned near a transition zone defined between the masking portion and the gripping portion of the outer cap. - a mechanical actuating system of a door leaf locking device; - a gripping lever of said handle; - an integral outer cap surmounting the gripping lever and including: • a gripping portion covering the gripping lever, and • a masking portion extending in the prolongation of the gripping portion and covering the mechanical actuating system of the door leaf locking device when the handle is mounted on the door leaf, for a closed position of the handle, • a gripping portion covering the gripping lever, and • a masking portion extending in the prolongation of the gripping portion and covering the mechanical actuating system of the door leaf locking device when the handle is mounted on the door leaf, for a closed position of the handle, - permanent retention means designed to ensure the permanent coupling of a first portion of the outer cap on the gripping lever; - retractable retention means, which are directly accessible and manipulable by a user for an open position of the handle when said handle is mounted on the door leaf, positioned inside the outer cap, movable between: ∘ a coupling position in which said retractable retention means ensure the coupling of the outer cap on the gripping lever at a second portion of the outer cap, and ∘ a separating position in which said retractable retention means allow a separation of the outer cap and the gripping lever at said second portion of the outer cap and in which the masking portion uncovers the mechanical actuating system of the door leaf locking device when the handle is mounted on the door leaf, so as to authorize a manipulation of the mechanical actuating system of the locking device, said handle being characterized in that the retractable retention means are positioned near a transition zone defined between the masking portion and the gripping portion of the outer cap. ∘ a coupling position in which said retractable retention means ensure the coupling of the outer cap on the gripping lever at a second portion of the outer cap, and ∘ a separating position in which said retractable retention means allow a separation of the outer cap and the gripping lever at said second portion of the outer cap and in which the masking portion uncovers the mechanical actuating system of the door leaf locking device when the handle is mounted on the door leaf, so as to authorize a manipulation of the mechanical actuating system of the locking device,