Mercedes-Benz COMAND Operator's Manual page 190

Navigation*
During route guidance
Trail settings
With this function is active, the COMAND
records a trail every time the vehicle is in
an OFF ROAD area (more than 0.25 miles
away from a digitized road).
The system places trail dots on the screen
until it matches to a digitized road again.
In the Settings menu ( page 185),
press the Trail soft key.
The options On and Off
1 Percentage of used memory
190
The symbol _ indicates the present
setting.
Move the E joystick in g or G
direction to select the option with the
symbol -.
Press E.
Depending on the previous setting, the
Trail is switched on or off.
Press the
are displayed. return to the map.
Delete a trail
If there is a trail in memory, you can delete
it.
Press the
The message
want to clear all trails?
appear in a window.
Back soft key to confirm and
Clear soft key.
Are you sure you
will
Push the joystick to H to select
Press E.
The trail is deleted.
If you don't want to delete a trail
Press E to confirm
No .
Yes .