Mercedes-Benz 2005 C 230 Kompressor Sport Operator's Manual page 94

Safety and Security
Anti-theft systems
Press switch 1.
Indicator lamp 2 in switch comes on
briefly.
Exit and lock your vehicle with the
SmartKey.
The tow-away alarm remains disarmed
until you lock your vehicle again.
Canceling the alarm
To cancel the alarm:
Press the Œ or ‹ button on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
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