2007 MERCEDES-BENZ ML320CDI ignition

103 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
With KEYLESS-GO*

Press the KEYLESS-GO start/stop
button (
page 41) on the starter
switch once.
The engine is turned off.

Open the driver’s door.Deactivating
With the SmartKey

Turn the SmartKey in the starter switch
to position2 (
page 39).
With KEYLESS-GO*

Switch on the ignition (
page 40).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door


the tailgate


the hood
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.
The alarm system will also be triggered
when


the vehicle is opened with the mechan-
ical key, see “Unlocking the vehicle”
(page 475)


a door is opened from the inside, see
“Opening the doors from the inside”
(page 118)
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Starting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the
vehicle’s battery is charged), the system is not
operational. Contact an authorized
Mercedes-Benz Light Truck Center or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).

126 Controls in detailLocking and unlockingIf the tailgate comes into contact with an
object while closing (e.g. luggage that has
been piled too high), the closing procedure
is stopped and the tailgate reopens.Automatic central locking
The doors and the tailgate lock automati-
cally when the ignition is switched on and
the wheels are turning at vehicle speeds of
approximately 9 mph (15 km/h) or more.
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.For information on towing the vehicle, see
“Towing the vehicle” (
page 518).
You can deactivate the automatic locking
mode using the control system
(
page 176).
Locking and unlocking from the inside
You can lock or unlock the doors and the
tailgate from inside using the central lock-
ing or unlocking switch. This can be useful,
for example, if you want to lock the vehicle
before starting to drive.
The fuel filler flap cannot be locked or un-
locked with the central locking or unlock-
ing switch.
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To prevent a possible inadvertent lockout,
the tailgate will open automatically if a SmartKey
with KEYLESS-GO* is recognized inside the
vehicle.
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The doors unlock automatically after an
accident if the force of the impact exceeds a
preset threshold.
The vehicle automatically locks when the ignition
is switched on and the wheels are turning at
vehicle speeds of approximately 9 mph
(15 km/h) or more. You could therefore lock
yourself out when the vehicle


is pushed or towed


is on a test stand
Warning!
G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.


130 Controls in detailSeatsInstalling
Insert head restraint1 into openings
on the seat backrest.

Push head restraint1 down until it au-
dibly engages.

Press release button2 and adjust
head restraint1 to the desired posi-
tion (
page 129).
For more information on seats, see the
“Getting started” section (
page 43).
Lumbar support
The curvature of the driver’s seat can be
adjusted to help enhance lower back sup-
port and seating comfort.
The lever for lumbar support adjustment is
located on the right hand side of the
driver’s seat backrest.
1Adjustment lever
Move adjustment lever1 in direction
of arrows until you have reached a
comfortable seating position.
Multicontour seat*
The multicontour seat has an extendable
seat cushion and inflatable air chambers
built into the backrest to provide additional
lumbar and side support.
The seat cushion depth, seat backrest
cushion-height and curvature can be con-
tinuously varied with switches on the in-
side of each front seat base after the
ignition is switched on (
page 39).
1Seat cushion depth
2Backrest side bolsters
3Backrest center
4Backrest bottom

131 Controls in detailSeats

Switch on the ignition (
page 40).
Seat cushion depth

Adjust the seat cushion depth to the
length of your upper leg with
switch1.
Backrest contour

Adjust the contour of the seat backrest
to the desired position with
switchæ orç.

Move the backrest support to the bot-
tom with button4 or to the center
with button3.
Backrest side bolsters

Adjust the side bolsters so that they
provide good lateral support using
switch2.
Seat heating*
The switches for front-seat heating are lo-
cated in the center console.
1Seat heating switch, front seats
2Indicator lampsThe switches for rear seat heating* are
located in the rear center console.
1Seat heating switch, rear seats
2Indicator lamps

132 Controls in detailSeatsThe red indicator lamps in the switch come
on to show which heating level you have
selected.

Switch on the ignition (
page 40).
Switching on

Press switch1.
Three red indicator lamps2 in the
switch come on.

Continue pressing switch1 until
desired seat heating level is reached.
Switching off

Press switch1 repeatedly until all
indicator lamps2 go out.
Seat ventilation*
The switches for the seat ventilation are
located in the center console.
1Seat ventilation switch, front seats
2Indicator lamps
Level3
Three indicator lamps on
(highest level)
The seat heating automatically
switches to level 2 after approx-
imately 5 minutes.
2
Two indicator lamps on
The seat heating automatically
switches to level 1 after approx-
imately 10 minutes.
1
One indicator lamp on
(lowest level)
The seat heating automatically
switches off after approximately
20 minutes.
off
No indicator lamp on
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If one or more of the indicator lamps2 on
seat heating switch1 (
page 131) are flash-
ing, there is insufficient voltage available since
too many electrical consumers are switched on.
The seat heating switches off automatically.
The seat heating will switch back on again
automatically as soon as sufficient voltage is
available.

133 Controls in detailSeats
The blue indicator lamps in the switch
come on to show which ventilation level
you have selected.
Switch on the ignition (
page 40).Switching on

Press button1 repeatedly until the
desired ventilation level is set.
Switching off

Press button1 repeatedly until all
indicator lamps2 go out.
Level3
Three indicator lamps on
(highest level)
2
Two indicator lamps on
1
One indicator lamp on
(lowest level)
off
No indicator lamp on
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The seat ventilation for the driver’s seat is
automatically set to the highest level if activated
via summer opening feature (
page 239).

135 Controls in detail
Memory function*
The memory button and stored position
buttons are located on the entry side of
each front seat base.
MMemory button
1, 2, 3Stored position buttons
Switch on the ignition (
page 40).
or

Open the respective door.
Storing positions into memory
Adjust the seats (
page 43).

On the driver’s side, additionally adjust
the steering wheel (
page 48) and ex-
terior rear view mirrors (page 49) to
the desired positions.

Press memory buttonM.

Release memory buttonM and press
stored position1,2 or3 within
3 seconds.
All settings are stored to the selected
position.
Recalling positions from memory
Press and hold stored position
button1,2 or3 until the seat, steering
wheel and exterior rear view mirrors
have fully moved to the stored posi-
tions.
!
Do not operate the power seats using
memory buttonM if the seat backrest is in an
excessively reclined position. Doing so could
cause damage to front or rear seats.
Move seat backrest to an upright position first.
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Releasing the stored position button stops
movement to the stored positions immediately.

142 Controls in detailLightingHazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter switch
or with the SmartKey with KEYLESS-GO*
removed from the vehicle.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher

Press hazard warning flasher
switch1.
All turn signals are flashing.
Switching off hazard warning flasher

Press hazard warning flasher switch1
again.
Interior lighting
The controls for interior lighting are locat-
ed in the overhead control panel.1Front left reading lamp switch
2Rear interior lighting switch
3Automatic control switch
4Front interior lighting switch
5Front right reading lamp switch
6Front right interior lamp
7Front right reading lamp
8Front left reading lamp
9Front left interior lampi
With the hazard warning flasher activated
and the combination switch set for either left or
right turn, only the respective turn signals will
operate when the ignition is switched on.
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If the hazard warning flasher has been
activated automatically, press hazard warning
flasher switch1 once to switch it off.