Anti-theft alarm
The anti-theft system is activated approximately 15 seconds after the car is locked using the remote control and is accompanied by the activation of the control LED built into the console key switch for activating a single lock / deactivating towing protection systems / against intrusion into the passenger compartment (see Vehicle equipment, arrangement of instruments and controls). At attempts of unauthorized entry into the car, the system activates the siren and direction indicators intermittently. The siren turns off automatically after 30 seconds, direction indicators - after 5 minutes.
Attention! Closing an open door does not disable the anti-theft alarm.
Unlocking the doors with the remote control automatically disables the anti-theft alarm.
Attention! When the driver's door is opened with the key, the anti-theft alarm is activated and can only be deactivated by inserting the key into the ignition switch and turning it to position 2.
Towing protection device
With the appropriate configuration, the activation of the device leads to the operation of an anti-theft alarm when an attempt is made to tow the car. A description of the rules for activating and deactivating the device is given in Section Controls and interior equipment this Chapter (see Vehicle equipment, arrangement of instruments and controls).
Intrusion protection device
With the appropriate configuration, activation of the device to trigger an anti-theft alarm in case of unauthorized entry into the car interior. The operation of the device is based on ultrasonic volume sensors installed inside the cabin.
The activation of the device occurs approximately 60 seconds after the car is locked using the single lock remote control.
Breaking windows and sticking your hands into the car will set off the anti-theft alarm.
A description of the rules for activating and deactivating the device is given in Section Controls and interior equipment this Chapter (see Vehicle equipment, arrangement of instruments and controls).
Start blocking device
The device is activated automatically when the key is removed from the ignition switch.
To turn off the device, simply insert the key equipped with the appropriate microchip into the ignition lock and turn it to position 2.
If the engine does not start and the odometer display screen alternately shows «START» And «ERROR», therefore, there is a malfunction of the start interlock device and the car should be taken to a Mercedes-Benz service station for troubleshooting.