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.

PARKTRONIC checked at a qualified specialist 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.
sensors. Clean the PARKTRONIC sensors.
on. Switch the ignition back on.
The problem may be caused by an external source of radio or ultrasound waves.
in a different location. See if PARKTRONIC functions in a different location.
    See also:

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    Notes on care
    Regular care of your vehicle is a condition for retaining the quality in the long term. Use care products and cleaning agents recommended and approved by Mercedes- Benz. WARNING   Many ...