If you have activated DSR (Y page 246), PRE-
SAFE
®
Brake is deactivated.
STEER CONTROL
General information
STEER CONTROL helps you by transmitting a
noticeable steering force to the steering
wheel in the direction required for vehicle
stabilization.
This steering assistance is provided in
particular if:
R
both right wheels or both left wheels are on
a wet or slippery road surface when you
brake.
R
the vehicle starts to skid.
Important safety notes
i
Observe the "Important safety notes"
section (Y page 66).
If ESP
®
is malfunctioning, you will not receive
steering support from STEER CONTROL.
Powersteering will, however, continue to
function.
Theft deterrent locking system
Immobilizer
X
To activate with the SmartKey: remove
the SmartKey from the ignition lock.
X
To activate with KEYLESS-GO: switch the
ignition off and open the driver's door.
X
To deactivate: switch on the ignition.
The immobilizerprevents yourvehicle from
being started without the correct SmartKey.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle.
Anyone can start the engine if a valid
SmartKey has been left inside the vehicle.
i
The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be
started when the starter battery is fully
charged, the immobilizer may be faulty.
Contactanauthorized Mercedes-Benz
Centerorcall 1-800-FOR-MERCedes (in the
USA) or 1-800-387-0100 (in Canada).
ATA (anti-theft alarm system)
X
To arm: lockthe vehicle with the SmartKey
or KEYLESS-GO.
Indicator lamp : flashes. The alarm
system is armed after approximately
15 seconds.
X
To disarm using the SmartKey: unlock
the vehicle with the SmartKey.
or
X
Insert the SmartKey into the ignition lock.
X
To disarm using KEYLESS-GO: unlock the
vehicle with KEYLESS-GO.
or
X
Press the Start/Stop button on the
dashboard. The SmartKey must be inside
the vehicle.
Avisual and audible alarm is triggered if the
alarm system is armed and you open:
R
a door
R
the vehicle with the mechanical key
R
the tailgate
R
the hood
76
Theft deterrent locking system
Safety