The ornamental design for a side viewmirror for a motor vehicle, as shown and described.
FIG. 1 is a rear perspective view of a side view mirror for a motor vehicle;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is an elevation view thereof from the right side;
FIG. 5 is an elevation view thereof from the left side;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines depict portions of the mirror for a motor vehicle that form no part of the claimed design. The dash dot dash broken lines illustrate a boundary of the claimed design. The dash dot dash broken line and the area it encloses form no part of the claimed design.