The ornamental design for a motorvehicleroofcomponent, as shown and described.
FIG. 1 is a plan view of motor vehicle roof component with environment showing our new design;
FIG. 2 is a perspective view thereof;
FIG. 3 is a plan view thereof;
FIG. 4 is a right-side elevation view thereof, with the left-side view being a mirror image; and,
FIG. 5 is a perspective view thereof with environment.
The broken line showing the motor vehicle roof is provided for the purpose of illustrating environmental structure and forms no part of the claimed design.