We claim the ornamental design for a front end of a motor vehicle, as shown and described.
FIG. 1 is a right, front perspective view of a front end of a motor vehicle showing our new design;
FIG. 2 is a right, rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The portions of the vehicle shown in a de-emphasized faded out and halftone form are all for environmental and illustrative purposes that do not form no part of the claimed design.