Wiper system for a motor vehicle

A wiper system for a motor vehicle, comprising a drive arm and a wiper which are connected to one another by a connecting device which comprises a connector secured to the wiper and a connecting shaft borne by the connector, the drive arm comprising a first end via which it is attached to a drive means;

• a second end, opposite to the first end in a longitudinal direction of the drive arm;
• and two receiving walls arranged symmetrically one on each side of a longitudinal midplane of the drive arm, the connecting device further comprising a plurality of receiving housings for receiving the connecting shaft, one of said receiving housings being arranged in each of the two receiving walls and situated in an accommodating volume of the drive arm, the receiving housing comprising an entrance by means of which the connecting shaft is received in the receiving housing and a locking zone for locking the connecting shaft, the locking zone being positioned between the entrance of the receiving housing and the second end of the drive arm, characterized in that the drive arm comprises a guide member which comprises a main wall that is inclined towards the entrance of the receiving housing receiving the connecting shaft.