Anti-Theft Systems; Immobilizer - Mercedes-Benz 2010 E-Class Sedan Operator's Manual

To maintain the proper distance to the vehicle
in front of you and thus prevent a rear-end
collision, you must apply the brakes yourself.
X
Brake the vehicle immediately to avoid a
collision.
Under no circumstances should the driver
await the intermittent warning sound
before braking. Observe the following
warning note.
The intermittent warning sound ceases and
the distance warning lamp · goes out
when the necessary distance to the vehicle
ahead is again established.
®
The PRE-SAFE Brake can react to stationary
obstacles such as standing or parked vehicles
at road speeds of up to approximately 40 mph
(70 km/h).
G
Warning!
If you do not receive visual or acoustic
warning signals, the PRE-SAFE
not have recognized the collision risk
R
have been deactivated
R
be malfunctioning
R
Apply the brakes yourself to avoid a collision.
®
The PRE-SAFE Brake does not always clearly
interpret complex traffic situations. If a visual
and/or acoustic warning is issued in an
uncritical driving situation, or if the vehicle
brakes lightly, you can interrupt the PRE-
®
SAFE Brake maneuver by pressing down all
the way on the accelerator pedal, using
kickdown, or releasing the brake pedal.
®
The PRE-SAFE Brake maneuver is
terminated immediately when
you avoid the obstacle by evasive steering
R
you drive less than 9 mph (15 km/h)
R
an obstacle can no longer be identified
R
ahead of you
the system no longer senses the risk of a
R
collision
i
while DISTRONIC PLUS is switched on
( Y
After a hard collision or damage to the front
of the vehicle from an accident, have the
settings and operation of the radar sensors
checked by an authorized Mercedes-Benz
Center.
X
Activating and deactivating: Activate or
deactivate the PRE-SAFE
instrument cluster control system
( Y
After the function has been activated, the
PRE-SAFE
in the instrument cluster. When the HOLD
function is switched on, the PRE-SAFE
Brake indicator Ä will not appear.
In vehicles with Parking Guidance, the
automatic transmission must be in park
position P for the PRE-SAFE
®
Brake may
indicator Ä to be displayed.
The PRE-SAFE
the radar system is switched off. When you
switch off the radar system, the following
functions are deactivated:
PRE-SAFE
R
BAS PLUS (
R
DISTRONIC PLUS (
R
Blind Spot Assist (
R

Anti-theft systems

Immobilizer

The immobilizer prevents unauthorized
persons from starting your vehicle.
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.
Anti-theft systems
®
The PRE-SAFE Brake will remain passive
page 149).
page 137).
®
Brake indicator Ä appears
®
Brake is deactivated when
®
Brake
Y page 63)
Y page 149)
Y page 175)
71
®
Brake using the
®
®
Brake
Z