Problems with PARKTRONIC

Problem Possible causes/consequences and Solutions Solutions
Only the red segments in the PARKTRONIC warning displays are lit.
You also hear a warning tone for approximately two seconds.
PARKTRONIC is deactivated after approximately 20 seconds, and the indicator lamp in the PARKTRONIC button lights up.		 PARKTRONIC has malfunctioned and has switched off.
workshop. If problems persist, have PARKTRONIC checked at a qualified specialist workshop.
Only the red segments in the PARKTRONIC warning displays are lit.
PARKTRONIC is deactivated after approximately 20 seconds.		 The PARKTRONIC sensors are dirty or there is interference.
Clean the PARKTRONIC sensors.
Switch the ignition back on.
The problem may be caused by an external source of radio or ultrasound waves.
See if PARKTRONIC functions in a different location.
    See also:

    Setting the air distribution
    Front control unit: Directs air through the center vents. Directs the airflow through the footwell air vents Directs the airflow through the center and footwell vents. Directs the airflo ...

    Important safety notes
    ATTENTION ASSIST helps you during long, monotonous journeys such as on freeways and interstate highways. It is active in the range between 50 mph (80 km/h) and 112 mph (180 km/h). If ATTENTIO ...

    Removing the mechanical key
    Removing the mechanical key Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...