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:
Wet roads
WARNING
After driving in heavy rain for some time
without applying the brakes or through water
deep enough to wet brake components, the
first braking action may be somewhat
reduced. You have ...
Displaying navigation instructions
In the Navi menu, the multifunction display
shows navigation instructions. For more
information, see the separate operating
instructions.
Switch on COMAND (see the
separate
operating instr ...
Muscular Moves, Eventually
The turbo-diesel GL320 Bluetec has additional exhaust treatments to cut soot
and nitrogen oxide emissions — technology last year's diesel GL320 CDI lacked,
which is why California and several Nort ...

Solutions