CHILD CAR SEAT WITH SIDE PROTECTION ELEMENT, AND CORRESPONDING PROTECTION ELEMENT

Child car seat, comprising a backrest (111) presenting lateral extensions (113, 114) and/or a headrest (115) comprising lateral cheeks (32), extending towards the front of said seat, from a rear portion of said backrest, and at least one protective element (13) of one of said lateral extensions and/or one of said lateral cheeks, of which: - a first end is mounted on or in the vicinity of said rear portion of the backrest; and - a second end projects towards the front of said seat, substantially parallel to said lateral extension (113, 114) and/or said lateral cheek (32), said second end presenting a contact surface (31) intended to bear against a vehicle door, in the event of an impact applied to it.