Abstract: The invention pertains to an airbag device for a motor vehicle with at least one cover flap, behind which is a gas generator with which a gas bag can be inflated, and also moving drive devices that can be actuated by and are connected to each cover flap, where the latter is moved before or during triggering of the gas generator within the airbag device or within a part of the motor vehicle containing the airbag device. Furthermore, it is provided that the drive devices contain at least one piston running within a channel.