Mercedes-Benz C-Class Coupe Operator's Manual page 72

Theft deterrent locking system
70
To arm: lock the vehicle with the SmartKey
X
or KEYLESS-GO.
Indicator lamp : flashes. The alarm
system is armed after approximately
15 seconds.
To disarm: unlock the vehicle with the
X
SmartKey or KEYLESS-GO.
To stop the alarm using the SmartKey:
X
insert the SmartKey into the ignition lock.
The alarm is switched off.
or
Press the % or & button on the
X
SmartKey.
The alarm is switched off.
To stop the alarm using KEYLESS-GO:
X
grasp the outside door handle. The
SmartKey must be outside the vehicle.
The alarm is switched off.
or
Press the Start/Stop button on the
X
dashboard. The SmartKey must be inside
the vehicle.
The alarm is switched off.
I n f o r m a t i o n P r o v i d e d b y :