Immobilizer - Mercedes-Benz SLK350 Operator's Manual

Theft deterrent locking system
64
G
WARNING
®
Even if PRE-SAFE
before an imminent rear-end collision, the
system cannot avert a collision without the
intervention of the driver. There is a risk of an
accident. Brake according to the situation or
take evasive action. Delayed intervention by
the driver can lead to an accident.
G
WARNING
®
PRE-SAFE Brake cannot always detect
complex traffic situations properly.
In these cases, PRE-SAFE(R) Brake may:
give an unnecessary warning and then
R
brake the vehicle
neither give a warning nor intervene
R
There is a risk of an accident. Always pay
particular attention to the traffic situation and
be ready to brake, especially if PRE-SAFE(R)
Brake warns you. Terminate the intervention
in a non-critical driving situation.
In particular, the detection of obstacles can
be impaired if there is:
dirt on the sensors or anything else
R
covering the sensors
snow or heavy rain
R
interference by other radar sources
R
the possibility of strong radar reflections,
R
for example in parking garages
a narrow vehicle traveling in front, e.g. a
R
motorbike
a vehicle traveling in front on a different line
R
G
WARNING
®
PRE-SAFE Brake does not react:
to people or animals
R
to oncoming vehicles
R
to crossing traffic
R
in curves
R
As a result, PRE-SAFE
intervene in critical situations. There is a risk
of an accident. Always pay careful attention
to the traffic situation and be ready to brake.
Brake slows the vehicle
®
Brake cannot
In order to maintain the appropriate distance
to the vehicle in front and thus prevent a
collision, you must apply the brakes yourself.
To activate/deactivate: activate or
X
®
deactivate PRE-SAFE
board computer ( page 190).
Y
The Ä symbol appears in the
multifunction display as long as the HOLD
function is not activated (
On vehicles with Parking Guidance, the
Ä symbol is displayed when P is
engaged or is selected or if you drive faster
than 22 mph (35 km/h).
®
For PRE-SAFE Brake to assist you when
driving, the radar sensor system must be
switched on ( page 194) and be
Y
operational.
Following damage to the front end of the
vehicle, have the configuration and operation
of the radar sensors checked at a qualified
specialist workshop. This also applies to
collisions at low speeds where there is no
visible damage to the front of the vehicle.
Theft deterrent locking system

Immobilizer

The immobilizer prevents your vehicle from
being started without the correct SmartKey.
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.
To activate with the SmartKey: remove
X
the SmartKey from the ignition lock.
To activate with KEYLESS-GO: switch the
X
ignition off and open the driver's door.
To deactivate: switch on the ignition.
X
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
Brake in the on-
page 168).
Y