Mercedes-Benz 2013 C Class Coupe - Manual (Page 80)

R
a narrow vehicle travelling in front, e.g. a
motorcycle
R
a vehicle travelling in front on a different
line
Following damage to the front end of the vehi-
cle, have the radar sensor settings and oper-
ation checked at a qualified specialist work-
shop. This also applies to collisions at slow
speeds where there is no visible damage to
the front of the vehicle.
Function
X To activate/deactivate: activate or deac-
tivate PRE-SAFE
® Brake in the on-board
computer ( Y page 229).
If the PRE-SAFE ® Brake is not activated, the
æ symbol appears in the multifunction
display.
This function will issue a warning if:
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at a speed of around 30 km/h or more the
distance maintained to the vehicle travel-
ling in front is insufficient for several sec-
onds.
The · distance warning lamp then lights
up in the instrument cluster.
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at a speed of approximately 7 km/h or
more, you rapidly approach a vehicle in
front.
An intermittent warning tone will then
sound and the · distance warning lamp
will light up in the instrument cluster.
X Brake immediately to defuse the situation.
or
X Take evasive action provided it is safe to do
so.
The PRE-SAFE ® Brake function can also brake
the vehicle automatically under the following
conditions:
R
the driver and front-passenger have their
seat belts fastened
and
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the vehicle speed is between approx-
imately 7 km/h and 200 km/h
At speeds of up to approximately 70 km/h
PRE-SAFE
® Brake can also detect stationary
objects. Examples of stationary objects are
stopped or parked vehicles.
i If there is an increased risk of collision,
preventive passenger protection measures
(PRE-SAFE
® ) are activated.
If the risk of collision with the vehicle in front
remains and you do not brake, take evasive
action or accelerate significantly, the vehicle
may perform automatic emergency braking,
up to the point of full brake application. Auto-
matic emergency braking is not performed
until immediately prior to an imminent acci-
dent.
You can prevent the intervention of the PRE-
SAFE
® Brake at any time by:
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depressing the accelerator pedal further
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activating kickdown
R
releasing the brake pedal
The braking action of PRE-SAFE ® Brake is
ended automatically if:
R
you manoeuvre to avoid the obstacle
R
there is no longer any danger of a collision
R
there is no longer an obstacle detected in
front of your vehicle
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.
78
Anti-theft systems
Safety