MOTOR VEHICLE SEAT

A motor vehicle seat includes a backrest portion a first body, a second body and a mechanism configured to coupled the backrest portion to the first body in a movable manner between a first position, in which the backrest portion is arranged between the first and the second body, the latter defining a base extending crosswise to the backrest portion in order to support a passenger seating with the back resting against the backrest portion on a first surface of the backrest portion, and a second position, in which the backrest portion has a second surface opposite the first surface and facing the second body; wherein the first surface, in the second position of the backrest portion, defines a wind deflector.