Collision protection device for protecting an outstanding vehicle parts

The invention relates to apparatus for the collision protection outstanding parts of motor vehicles, having a controllable adjusting mechanism (2) at least for retracting and / or folding in the projecting motor vehicle parts (1) which is characterized in that on the motor vehicle at least one operatively connected to the actuating mechanism (2 ) connected Abstandserfassungs- or proximity sensor (3) is provided for detecting the distance and / or the approach of an object (8) relative to a respective projecting motor vehicle part (1), and that the adjusting mechanism (2) to a by the sensor (3) supplied, a risk of collision with the object (8) indicative of detection signal (a, b) towards feeding the relevant motor vehicle part (1) or collapses (Fig. 1).