Mercedes-Benz 2011 E Class Sedan - Manual (Page 75)

motorcycles and vehicles driving offset from
your vehicle center.
G
Warning
Depending on the vehicle speed, PRE-SAFE ®
Brake brakes your vehicle with a maximum of
13 ft/s
2 (4 m/s 2 ) before a possible hard stop.
This corresponds to about 40 % of the
maximum deceleration ability of your vehicle.
The driver must apply the brakes additionally
in order to prevent a collision. The self-acting
hard stop will be initiated when the imminent
danger of a collision exists, e.g. when an
evasive maneuver cannot avoid an accident.
In order to maintain the appropriate distance
to the vehicle in front and thus prevent a
collision, you must apply the brakes yourself.
At speeds up to approximately
40 mph (70 km/h), PRE-SAFE
® Brake can
also detect stationary obstacles, for example
stopped or parked vehicles.
G Warning!
If you do not receive visual or acoustic
warning signals, the PRE-SAFE
® Brake may
R not have recognized the collision risk
R have been deactivated
R be malfunctioning
Apply the brakes yourself to avoid a collision.
X To activate: activate PRE-SAFE ® Brake in
the on-board computer ( Y page 228).
The Ä symbol appears in the lower
multifunction display, as long as the HOLD
function is not activated (
Y page 188).
On vehicles with parking guidance, the P
gear must be engaged for the icon to be
displayed.
For PRE-SAFE ® Brake to assist you when
driving, the radar sensor system must be
switched on and operational.
PRE-SAFE ® Brake does not always detect
complex traffic situations properly. You can
terminate the braking action of PRE-SAFE
®
Brake in a non-critical driving situation at any
time if:
R
an acoustic and visual warning occurs
R
the vehicle brakes
To end this, you can either depress the
accelerator pedal further, activate kickdown
or release the brake pedal.
The braking action of PRE-SAFE
® Brake is
ended automatically if:
R
you maneuver to avoid the obstacle
R
you drive slower than approximately
9 mph (15 km/h)
R there is no longer an obstacle detected in
front of your vehicle
R
there is no longer any danger of a collision
Following a collision or accident-related
damage to the front end of the vehicle, have
the configuration and operation of the radar
sensors checked. Choose a qualified
specialist workshop for this which has the
necessary specialist knowledge and tools for
the work required. Mercedes-Benz
recommends that you use an authorized
Mercedes-Benz Center for this purpose.
Anti-theft systems
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct key.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
key that is left inside the vehicle.
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.
Anti-theft systems
73
Safety
BA 212 USA, CA Edition B 2011; 1; 5, en-US
dimargi
Version: 3.0.3.6
2010-05-20T13:33:46+02:00 - Seite 73
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