2004-2011 Mercedes A Class 4 Door Safety -> Anti-theft systems User Manual
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Safety -> Anti-theft systems for Your Mercedes A Class 4 Door Second Generation (2004-2011)

SafetyAnti-theft systemsAnti-theft systemssteering assistant STEER CONTROL. Thesteering continues to function with immobiliser prevents your vehicle frombeing started without the correct key.X To activate: remove the key from the igni-tion lock.X To deactivate: turn the key to position 2in the ignition lock.1 Indicator lampATA* (anti-theft alarm system)X To prime: lock the vehicle using the key.A visual and audible alarm is triggered whenIndicator lamp 1 flashes. The alarm sys-the alarm system is primed and you open:tem is primed after approximately 15 sec-onds.R a doorX To deactivate: unlock the vehicle using theR a door using the emergency key elementkey.R the tailgateR the bonnetDeactivating the alarmThe alarm is not switched off even if you closeX Insert the key into the ignition lock.a door alarm is Press the k or j button on the alarm is deactivated.Z* optional57
Safety
Anti-theft systems
Anti-theft systems
steering assistant STEER CONTROL. The
steering continues to function with power
Immobiliser
assistance.
The immobiliser prevents your vehicle from
being started without the correct key.
X To activate: remove the key from the igni-
tion lock.
X To deactivate: turn the key to position 2
in the ignition lock.
1 Indicator lamp
ATA* (anti-theft alarm system)
X To prime: lock the vehicle using the key.
A visual and audible alarm is triggered when
Indicator lamp 1 flashes. The alarm sys-
the alarm system is primed and you open:
tem is primed after approximately 15 sec-
onds.
R a door
X To deactivate: unlock the vehicle using the
R a door using the emergency key element
key.
R the tailgate
R the bonnet
Deactivating the alarm
The alarm is not switched off even if you close
X Insert the key into the ignition lock.
a door again.
The alarm is deactivated.
or
X Press the k or j button on the key.
The alarm is deactivated.
Z
* optional
57
SafetyAnti-theft systemsDeactivating tow-away protection andTow-away protection* and interiorinterior motion sensormotion sensor*To prevent a false alarm, deactivate the tow-When tow-away protection and the interioraway protection and the interior motion sen-motion sensor have been primed, a visual andsor if your vehicle:audible alarm is triggered, if:R motion is detected in the vehicle interior,R is being transported or towede.g. if the side windows of the vehicle areR is being loaded, e.g. onto a ferry or the inclination of your vehicle changes, e.g.R is parked on a movable surface, e.g. split-if one end of your vehicle is garages1 To deactivate tow-away protection/inte-rior motion sensorR is locked while persons or animals remainPriming tow-away protection and inte-2 Indicator lampinsiderior motion sensorR is locked while the side windows remainX Remove the key from the ignition lock.X Make sure that:openX Press button 1.R the side windows are closedR is locked and the panorama louvred slidingIndicator lamp 2 lights up briefly.R the panorama louvred sliding sunroof* issunroof* remains openX Lock the vehicle using the -away protection and the interiormotion sensor remain deactivated until theR there are no objects, e.g. mascots, hangingvehicle is unlocked and locked the rear-view mirror or on the grab han-dles on the roof will prevent false alarms.X Lock the vehicle using the -away protection and the interiormotion sensor are primed after approxi-mately 30 seconds.* optional58
Safety
Anti-theft systems
Deactivating tow-away protection and
Tow-away protection* and interior
interior motion sensor
motion sensor*
To prevent a false alarm, deactivate the tow-
When tow-away protection and the interior
away protection and the interior motion sen-
motion sensor have been primed, a visual and
sor if your vehicle:
audible alarm is triggered, if:
R motion is detected in the vehicle interior,
R is being transported or towed
e.g. if the side windows of the vehicle are
R is being loaded, e.g. onto a ferry or car
smashed.
transporter
R the inclination of your vehicle changes, e.g.
R is parked on a movable surface, e.g. split-
if one end of your vehicle is raised.
level garages
1 To deactivate tow-away protection/inte-
rior motion sensor
R is locked while persons or animals remain
Priming tow-away protection and inte-
2 Indicator lamp
inside
rior motion sensor
R is locked while the side windows remain
X Remove the key from the ignition lock.
X Make sure that:
open
X Press button 1.
R the side windows are closed
R is locked and the panorama louvred sliding
Indicator lamp 2 lights up briefly.
R the panorama louvred sliding sunroof* is
sunroof* remains open
X Lock the vehicle using the key.
closed.
Tow-away protection and the interior
motion sensor remain deactivated until the
R there are no objects, e.g. mascots, hanging
vehicle is unlocked and locked again.
on the rear-view mirror or on the grab han-
dles on the roof trim.
This will prevent false alarms.
X Lock the vehicle using the key.
Tow-away protection and the interior
motion sensor are primed after approxi-
mately 30 seconds.
* optional
58

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