Function - Mercedes-Benz B-Class Operator's Manual

Theft deterrent locking system
70
( page 138). For further information, see
Y
Driving tips ( page 157).
Y
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:
both right wheels or both left wheels are on
R
a wet or slippery road surface when you
brake.
the vehicle starts to skid.
R
Important safety notes
®
If ESP is malfunctioning, you will not receive
steering support from STEER CONTROL.
Power steering will, however, continue to

function.

Theft deterrent locking system
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct SmartKey.
To activate: remove the SmartKey from
X
the ignition lock.
To deactivate: switch on the ignition.
X
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is 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.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA) or 1-800-387-0100 (in Canada).
ATA (anti-theft alarm system)
To arm: lock the vehicle with the
X
SmartKey.
Indicator lamp : flashes. The alarm
system is armed after approximately
15 seconds.
To disarm: unlock the vehicle with the
X
SmartKey.
or
Insert the SmartKey into the ignition lock.
X
A visual and audible alarm is triggered if the
alarm system is armed and you open:
the vehicle with the mechanical key
R
a door
R
the tailgate
R
the hood
R
To stop the alarm: insert the SmartKey
X
into the ignition lock.
The alarm is switched off.
or
Press the % or & button on the
X
SmartKey.
The alarm is switched off.
The alarm is not switched off, even if you
close the open door that triggered it, for
example.