A motor vehicle luggage compartment covering device; the device comprising: - a parcel shelf comprising: a) a front portion adapted to be hinged, in use, to two sides of the luggage compartment about a horizontal axis, and b) a rear portion having two holes; - two ties comprising: a) respective ropes which extend through said holes; b) respective first elements fixed to the upper ends of said ropes and comprising respective hooking portions, adapted to be hung in a releasable manner, in use, to a tailgate provided to close the luggage compartment; c) respective second elements fixed to the lower ends of said ropes and having a shoulder, which comes into contact with a lower surface of said rear portion when said ropes are pulled upwards; characterized in that: - the upper ends and/or the lower ends of said ropes carry respective protrusions, which are integral with the said ropes; - said first elements and/or said second elements are defined by pieces separate from said ropes and said protrusions, and have respective retaining seats; said retaining seats being engaged by said protrusions and having shape and/or size so as to withhold said protrusions in fixed positions; - said holes having a diameter which is higher than that of said protrusions and is lower than the size of said first and second elements (26,21); and - said retaining seats have respective inlets configured so as to engage said protrusions into said retaining seats after having inserted said protrusions through said holes. - a parcel shelf comprising: a) a front portion adapted to be hinged, in use, to two sides of the luggage compartment about a horizontal axis, and b) a rear portion having two holes; a) a front portion adapted to be hinged, in use, to two sides of the luggage compartment about a horizontal axis, and b) a rear portion having two holes; - two ties comprising: a) respective ropes which extend through said holes; b) respective first elements fixed to the upper ends of said ropes and comprising respective hooking portions, adapted to be hung in a releasable manner, in use, to a tailgate provided to close the luggage compartment; c) respective second elements fixed to the lower ends of said ropes and having a shoulder, which comes into contact with a lower surface of said rear portion when said ropes are pulled upwards; a) respective ropes which extend through said holes; b) respective first elements fixed to the upper ends of said ropes and comprising respective hooking portions, adapted to be hung in a releasable manner, in use, to a tailgate provided to close the luggage compartment; c) respective second elements fixed to the lower ends of said ropes and having a shoulder, which comes into contact with a lower surface of said rear portion when said ropes are pulled upwards; - the upper ends and/or the lower ends of said ropes carry respective protrusions, which are integral with the said ropes; - said first elements and/or said second elements are defined by pieces separate from said ropes and said protrusions, and have respective retaining seats; said retaining seats being engaged by said protrusions and having shape and/or size so as to withhold said protrusions in fixed positions; - said holes having a diameter which is higher than that of said protrusions and is lower than the size of said first and second elements (26,21); and - said retaining seats have respective inlets configured so as to engage said protrusions into said retaining seats after having inserted said protrusions through said holes.