ATA (anti-theft alarm system)
► To arm: lock the vehicle with the SmartKey.
Indicator lamp 1 flashes. The alarm system is armed after approximately 15 seconds.
► To deactivate: unlock the vehicle with the SmartKey.
If you then do not open a door or the rear door, the alarm system switches back on again after approximately 40 seconds.
► To stop the alarm: insert the SmartKey into the ignition lock.
The alarm is switched off.
or
X Press the 
or
button on the
SmartKey.
The alarm is switched off.
A visual and audible alarm is triggered if the alarm system is armed and you open: • a door • a door using the mechanical key • the rear door • the hood
The alarm is also triggered if: • the position of the vehicle is changed.
• a window is smashed.
The alarm is not switched off, even if you close the open door that has triggered it, for example.
If the alarm stays on for more than 30 seconds, the Tele Aid system automatically initiates a call to the Customer Assistance center. The mbrace emergency call system initiates the call if: • you have subscribed to the Tele Aid service.
• the Tele Aid service has been activated properly.
• the required mobile phone, power supply and GPS are available.
See also:
Genuine Mercedes-Benz parts
WARNING
Driving safety may be impaired if nonapproved
parts, tires and wheels or safetyrelevant
accessories are used.
This could lead to malfunctions in safetyrelevant
systems, e.g. the brake s ...
Regular checking of wheels and tires
WARNING
Regularly check the tires for damage.
Damaged tires can cause tire inflation
pressure loss. As a result, you could lose
control of your vehicle.
Worn, old tires can cause accidents. I ...
Important safety notes
WARNING
If flammable materials such as leaves, grass
or twigs are exposed to prolonged contact to
parts of the exhaust system that heat up, they
could ignite. There is a risk of fire.
Park the ...