SEAT FOR MOTOR VEHICLE HAVING A MECHANISM TO REDUCE SLIDING

This seat (1) comprises a backrest (4) that is movable relative to a seat cushion (2) between a use position and a retracted position, a seat cushion (2), and a rail (6) along which the seat cushion (2) is movable in translation. Furthermore, the seat (1) comprises a sliding limitation mechanism (10) comprising two stop surfaces (72) and a movable stop member (100) between an engagement position and a disengagement position, first locking means for preventing movement of the stop member (100) to the disengagement position when the backrest (4) is in the use position, second locking means for preventing return of the backrest (4) to the use position when the stop member (100) is in the disengagement position, and third locking means for locking the stop member (100) in the disengagement position when the seat cushion (2) is outside a predetermined sliding zone.