Problems with PARKTRONIC

Problem Possible causes/consequences and - 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.

•► 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 temperature
    You can set the temperature separately for the driver’s and front-passenger side. Select left temperature display 1 or right temperature display 7 in the airconditioning function bar by turnin ...

    Checking the battery
    Press the or button. The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is dischar ...

    Checking the vehicle and trailer weight
    - To check that the weights of the towing vehicle and the trailer comply with the maximum permissible values, have the vehicle/trailer combination (including the driver, passengers, and cargo ...