Mercedes-Benz 2005 M-Class Operator's Manual page 87

Arming tow-away alarm and glass
breakage sensor
When you lock your vehicle, the tow-away
and glass breakage sensor alarm is auto-
matically armed.
Disarming tow-away alarm and glass
breakage sensor
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm and
glass breakage sensor before towing the
vehicle, or when parking on a surface sub-
ject to movement, such as a ferry or auto
train.
Vehicles with trip computer*
The buttons are located in the overhead
control panel.
1 Reset button
2 Mode button
3 Display
4 Glass breakage sensor
Safety and Security
Anti-theft systems
Turn key in steering lock to position 2
( page 33).
Return key to position 0 and remove it
from the steering lock.
Within 30 seconds press button 1
or 2.
The display shows .
OFF
Exit vehicle and lock vehicle with
remote control ( page 32).
The tow-away alarm and glass breakage
sensor remain switched off until the key is
inserted in steering lock and turned to
position 1.
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