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:

    Notes on selecting, mounting andreplacing tires
    • Only mount tires and wheels of the same type and make. • Only mount tires of the correct size onto the wheels. • After mounting new tires, run them in at moderate speeds for the first 60 miles ...

    Small, Stately
    German sport sedans aren't a plus-sized group, and the C-Class is among the smallest. With a footprint roughly equal to that of a Nissan Sentra, the C-Class looks like a miniature version of Merce ...

    Preparing the vehicle
    Your vehicle may be equipped with a "Minispare" emergency spare wheel or MOExtended tires (tires with run-flat properties). Vehicle preparation is not necessary on vehicles with ...