ATA (Anti-Theft Alarm system)
alarm system is armed and you open:
• a door
• the vehicle with the mechanical key
• the trunk lid
• the hood
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 emergency call system
mbrace (USA only) or TELE AID (Canada
only) initiates a call to the Customer
Assistance Center automatically. The
emergency call system initiates the call
provided that:
• you have subscribed to the mbrace/TELE AID service.
• the mbrace/TELE AID service has been
activated properly.
• the required mobile phone, power supply
and GPS are available.

To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp 1 flashes. The alarm
system is armed after approximately 30
seconds.
To deactivate: unlock the vehicle with the
SmartKey or KEYLESS-GO.
To stop the alarm using the SmartKey: insert the SmartKey into the
ignition lock.
The alarm is switched off.
or
Press the
or
button on the
SmartKey.
The alarm is switched off.
To stop the alarm using KEYLESS-GO: 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
dashboard. The SmartKey must be inside
the vehicle.
The alarm is switched off.
See also:
Underinflated tires
WARNING
Follow recommended tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adversely
affect handling and fuel economy, and ar ...
Driving safety systems overview
In this section, you will find information about
the following driving safety systems:
- ABS (Anti-lock Braking System)
- BAS (Brake Assist System)
- BAS PLUS (Brake Assist System Plus*) ...
INTERIOR
It's inside the R-Class where some of those previously mentioned quirks start
rearing their ugly heads.
The R-Class has an electronic gearshift lever on the steering wheel. Putting
the car into ...
