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:

    Drinking and driving
    WARNING Drinking and driving and/or taking drugs and driving are very dangerous combinations. Even a small amount of alcohol or drugs can affect your reflexes, perceptions and judgment. The ...

    Position of the steering wheel for driving
    The steering wheel is moved to the last selected position when: - the driver's door is closed. - you insert the SmartKey into the ignition lock. or - you press the Start/Stop button once on vehicl ...

    Interior
    As much as I like how the CL looks from the outside, it's on the inside that Mercedes outdoes the competition: Everything you see or touch looks and feels good. If I shelled out the cash for a CL, ...