2013-2018 Mercedes CLA 4 Door Safety -> Protection against theft User Manual
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Safety -> Protection against theft for Your Mercedes CLA 4 Door First Generation (2013-2018)

Important safety notes
i
Read the "Important safety notes" section
(Y page 66).
G
WARNING
If EBD is malfunctioning, the rear wheels can
lock, e.g. under full braking. This increases the
risk of skidding and an accident.
You should therefore adapt your driving style
to the different handling characteristics. Have
the brake system checked at a qualified spe-
cialist workshop.
Observe information regarding indicator and
warning lamps (Y page 250) as well as display
messages (Y page 219).
ADAPTIVE BRAKE
ADAPTIVE BRAKE enhances braking safety and
offers increased braking comfort. In addition to
the braking function, ADAPTIVE BRAKE also has
the HOLD function (Y page 172) and hill start
assist (Y page 136).
STEER CONTROL
General information
STEER CONTROL helps you by transmitting a
noticeable steering force to the steering wheel
in the direction required for vehicle stabilisation.
This steering support is provided in particular if:
R
both right wheels or both left wheels are on a
wet or slippery road surface when you brake
R
the vehicle begins to skid
Important safety notes
i
Read the "Important safety notes" section
(Y page 66).
No steering support is provided from STEER
CONTROL, if:
R
ESP
®
is malfunctioning
R
the steering is malfunctioning
If ESP
®
is malfunctioning, you will be assisted
further by the electrical power steering.
Protection against theft
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 start func-
tion or KEYLESS-GO: switch the ignition off
and open the driver's door.
X
To deactivate: switch on the ignition.
When leaving the vehicle, always take the key
with you and lock the vehicle. Anyone can start
the engine if a valid key has been left inside the
vehicle.
i
The immobiliser is always deactivated when
you start the engine.
ATA (Anti-Theft Alarm system)
X
To prime: lock the vehicle with the key or
KEYLESS-GO.
Indicator lamp : flashes. The alarm system
is primed after approximately 15 seconds.
X
To deactivate: unlock the vehicle with the
key or KEYLESS-GO.
or
X
Insert the key into the ignition lock.
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 element
R
the boot lid
R
the bonnet
Protection against theft
73
Safety
Z
X
To stop the alarm with the key: press the
% or & button on the key.
The alarm stops.
or
X
Vehicles with KEYLESS-GO start function
or KEYLESS-GO: remove the Start/Stop but-
ton from the ignition lock (Y page 133).
X
Insert the key into the ignition lock.
The alarm stops.
X
To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The key must
be outside the vehicle.
The alarm stops.
or
X
Press the Start/Stop button on the dash-
board. The key must be inside the vehicle.
The alarm stops.
The alarm does not switch off, even if you close
the open door that has triggered it, for example.
i
If the alarm stays on for more than
30 seconds, the Mercedes‑Benz emergency
call system automatically sends a message to
the Customer Centre. This is done by means
of a text message or a data connection.
The emergency call system sends a message
or establishes a data connection provided
that:
R
you have subscribed to the Mercedes‑Benz
emergency call system
R
the Mercedes‑Benz emergency call system
has been activated properly
R
the necessary mobile phone network is
available
Tow-away protection
Function
An audible and visual alarm is triggered if your
vehicle's angle of inclination is altered while
tow-away protection is primed. This can occur if
the vehicle is jacked up on one side, for exam-
ple.
Switching on
X
Make sure that:
R
the doors are closed
R
the boot lid is closed
Only then is tow-away protection activated.
X
Lock the vehicle with the key or KEYLESS-GO.
Tow-away protection is activated after
approximately 60 seconds.
Switching off
X
Unlock the vehicle with the key or KEYLESS-
GO.
or
X
Insert the key into the ignition lock.
Tow-away protection is switched off automat-
ically.
Deactivating
X
Remove the key from the ignition lock.
or
X
Vehicles with KEYLESS-GO start function
or KEYLESS-GO: switch off the engine using
the Start/Stop button and open the driver's
door.
X
Press button :.
Indicator lamp ; lights up briefly.
X
Lock the vehicle with the key or KEYLESS-GO.
Tow-away protection is deactivated.
Tow-away protection remains deactivated until:
R
the vehicle is unlocked again
R
a door is opened and closed again and
R
the vehicle is locked again
74
Protection against theft
Safety
To prevent a false alarm, deactivate tow-away
protection if you lock your vehicle and it:
R
is being transported
R
is being loaded onto a ferry or car transporter,
for example
R
is parked on a movable surface, e.g. in a split-
level garage
Interior motion sensor
Function
When the interior motion sensor is switched on,
a visual and audible alarm is triggered if move-
ment is detected in the vehicle interior. This can
occur if someone reaches into the vehicle inte-
rior, for example.
Switching on
X
Make sure that:
R
the side windows are closed
R
the panorama sliding sunroof is closed
R
there are no objects, e.g. mascots, hanging
on the rear-view mirror or on the grab han-
dles on the roof trim
This will prevent false alarms.
X
Make sure that:
R
the doors are closed
R
the panorama sliding sunroof is closed
R
the boot lid is closed
Only then is the interior motion sensor acti-
vated.
X
Lock the vehicle with the key or KEYLESS-GO.
The interior motion sensor is primed after
approximately 30 seconds.
Switching off
X
Unlock the vehicle with the key or KEYLESS-
GO.
or
X
Insert the key into the ignition lock.
or
X
Press the Start/Stop button.
The key must be in the vehicle.
The interior motion sensor is automatically
switched off.
Deactivating
X
Remove the key from the ignition lock.
or
X
Vehicles with KEYLESS-GO start function
or KEYLESS-GO: switch off the engine using
the Start/Stop button and open the driver's
door.
X
Press button :.
Indicator lamp ; flashes several times in
rapid succession.
X
Lock the vehicle with the key or KEYLESS-GO.
The interior motion sensor is deactivated.
The interior motion sensor remains deactivated
until:
R
the vehicle is unlocked again and
R
a door is opened and closed again and
R
the vehicle is locked again
To prevent a false alarm, deactivate the interior
motion sensor if you lock your vehicle and:
R
people or animals remain in the vehicle
R
the panorama sliding sunroof remains open
R
the side windows remain open
i
UK only: your vehicle is equipped with a
double-lock function. The doors cannot be
opened from the inside if the vehicle has been
locked with the key (Y page 83). Deactivate
the interior motion sensor before you lock the
vehicle with the key. The doors can then be
opened from the inside after the vehicle has
been locked from the outside with the key.
Observe the "Important safety notes"
(Y page 83).
Protection against theft
75
Safety
Z

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Safety
Panic alarm Occupant safety Children in the vehicle Pets in the vehicle Driving safety systems

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