The radar sensor system must be switched off
using the on-board computer in the vicinity of
radio telescope facilities in the following vehi-
cles:
R
vehicles without COMAND Online and nav-
igation
R
vehicles without Audio 20 and Becker
®
MAP PILOT
R
vehicles for Australia
Information about switching off the radar sen-
sor system using the on-board computer can
be found in the "On-board computer and dis-
plays“ section (
Y
page 249).
For PRE-SAFE
®
Brake to assist you when driv-
ing, the radar sensor system must be
switched on (
Y
page 249) and be opera-
tional.
Following damage to the front end of the vehi-
cle, have the configuration and operation of
the radar sensors checked at a qualified spe-
cialist workshop. This also applies to colli-
sions at slow speeds where there is no visible
damage to the front of the vehicle.
STEER CONTROL
The steering assistant STEER CONTROL helps
you by transmitting a noticeable steering
force to the steering wheel in the direction
required for vehicle stabilisation.
This steering assistance is provided in partic-
ular 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
You have control over the steering at all
times.
G
WARNING
If there is an ESP
®
malfunction, you will not
receive any steering assistance from the
STEER CONTROL. The steering continues to
function with steering assistance.
Anti-theft systems
Immobiliser
The immobiliser prevents your vehicle from
being started without the correct key.
X
To activate with the key: remove the key
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.
i
The immobiliser is always deactivated
when you start the engine.
ATA (Anti-Theft Alarm system)
A visual and audible alarm is triggered if the
alarm system is primed and you open:
R
a door
R
the vehicle with the emergency key ele-
ment
R
the tailgate
R
the bonnet
The alarm is not switched off, even if you
close the open door that has triggered it, for
example.
X
To prime: lock the vehicle with the key or
KEYLESS-GO.
Indicator lamp
:
flashes. The alarm sys-
tem is primed after approximately 15 sec-
onds.
X
To deactivate: unlock the vehicle with the
key or KEYLESS-GO.
68
Anti-theft systems
Saf
et
y