An airbag device.

A device inflatable cushion of a motor vehicle to provide protection for the occupants (1, 2) being associated at least one seat (11, 12) or each two airbag units (12, 16, 20, 21), containing an airbag unit (16, 21) an inflatable cushion that folds out and occupies the space on the outer side of the seat, having a sensor system and control (21) to sense a side impact and determine which side of the vehicle received the impact, characterized in that said control system and sensor generates actuation signals capable of actuating only the air-bag unit closest to the point of impact.