A motor vehicle includes at least one first crash sensor for measuring a motion variable of the motor vehicle, arranged in a safety zone of the motor vehicle, and at least one second crash sensor for measuring a motion variable, arranged in a crash zone of the motor vehicle, the motor vehicle including an ignition protection device controllable via an ignition signal and a control unit for ascertaining the ignition signal as a function of the measured motion variables or, in each instance, as a function of a time average of the measured motion variables over at least one first time interval.