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:

    Working on the vehicle
    WARNING When working on the vehicle, engage the electronic parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result in ...

    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 ...

    Playback options
    The following options are available: • Normal Track Sequence The tracks are played in the normal order (e.g. track 1, 2, 3, etc.). • Medium Mix All the tracks on the medium are played in ...