2002 MERCEDES-BENZ ML320 door lock

32 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Central locking switch
1Locking
2UnlockingThe central locking switch is located on the center
console.
The doors and trunk can only be locked with the central
locking switch, if the front doors are closed.
If the vehicle was previously locked with the remote
control, the doors and liftgate cannot be unlocked with
the central locking switch.
Wa r n i n g !
When leaving the vehicle always remove the key
from the steering lock, and lock your vehicle.Do not leave children unattended in the vehicle or
with access to an unlocked vehicle. Unsupervised
use of vehicle equipment may cause serious
personal injury.

33 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Automatic central locking
The central locking switch also operates the automatic
central locking.
With the automatic central locking system activated and
the engine running, the doors and trunk are locked at
vehicle speeds of approximately 9 mph (15 km / h) or
more.
To a c ti va te :
With key in steering lock position 2 hold upper portion
of switch (1) for a minimum of 5 seconds.
To deactivate:
With key in steering lock position 2 hold lower portion
of switch (2) for a minimum of 5 seconds.
Notes:
If doors are unlocked with the central locking switch
after activating the automatic central locking, and
neither door is opened, then the doors remain unlocked
even at vehicle speeds of approximately 9 mph
(15 km / h) or more.If a door is opened from the inside at speeds of
approximately 9 mph (15 km / h) or less with the
automatic central locking activated, the door will again
be automatically locked at speeds of approximately
9 mph (15 km / h) or more.
Important!
When towing the vehicle, or with the vehicle on a
dynamometer test stand, please, note the following:
With the engine running, the vehicle doors will lock if
the left front wheel spins at vehicle speeds of
approximately 9 mph (15 km / h) or more.
To prevent vehicle door locks from locking, deactivate
the automatic central locking.
Emergency unlocking in case of accident
The doors unlock automatically a short time after an
accident in which an airbag or emergency tensioning
retractor deploys (this is intended to aid rescue and
exit). However, the key must still be in the steering lock
position 1 or 2.
Additionally the hazard warning flashers turn on
automatically and the interior lights switch on for
approximately 30 minutes.

36 Antitheft alarm system
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data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Antitheft alarm system
The indicator lamp is located in the center console.
The antitheft alarm is automatically armed or disarmed
with the remote control by locking or unlocking the
vehicle.
The antitheft alarm is armed within approximately
15 seconds after locking the vehicle with the remote
control.
A blinking lamp in the center console indicates that the
alarm is armed.
Notes:
Use of the mechanical key in the front door locks does
not arm or disarm the antitheft alarm system.
The alarm sounds when unlocking the driver’s door
with the mechanical key. Cancel alarm by turning key in
steering lock to position 1, or with the remote control by
pressing buttonŒ or‹.
If the vehicle battery voltage falls below 10 volts, the
alarm is automatically canceled and the antitheft alarm
system is disarmed. When the voltage is above this
value again, the antitheft alarm system is armed again.Operation:
Once the alarm system has been armed, the turn signal
lamps will flash rapidly (approximately 3 minutes) and
the horn will sound intermittently (approximately
30 seconds) when someone:
•opens a door,
•opens the liftgate,
•opens the hood,
•breaks a window,
•attempts to raise the vehicle.
The alarm will stay on even if the activating element
(a door, for example) is immediately closed.
If the alarm stays on for more than 20 seconds, an
emergency call is initiated automatically. See Tele Aid
on page 166.
Note:
The alarm system will cycle three times when triggered.
The interior lights are automatically switched on when
the alarm comes on and go out when the alarm is
cancelled.

42 Seats
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Only minor personal adjustments, as described below,
should then be required.
For exterior rear view mirrors, see page 77;
inside rear view mirror, see page 75;
steering wheel adjustment, see page 74.
Note:
See page 43 for instructions on storing and recalling the
seat position.Head restraint
Raising:
Pull up on head restraint.
Lowering:
Push button (1) and push down on head restraint, see
also page 45.
Adjust head restraint to support the back of the head
approximately at ear level. The head restraint angle can
also be adjusted manually.
See page 45 for removing head restraints.
Wa r n i n g !
When leaving the vehicle always remove the key
from the steering lock, and lock your vehicle.The power seats can also be operated with the
driver’s or passenger door open. Do not leave
children unattended in the vehicle or with access
to an unlocked vehicle. Unsupervised use of vehicle
equipment may cause serious personal injury.

52 Restraint systems
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Operation
The inertia reel stops the belt from unwinding during
sudden vehicle stops or when quickly pulling on the
belt. The locking function of the reel may be checked by
quickly pulling out the belt.
Unfastening of seat belts
Push the release button (3) in the belt buckle (2).
Allow the retractor to completely rewind the seat belt by
guiding the latch plate (1).
Wa r n i n g !
USE SEAT BELTS PROPERLY.• Seat belts can only work when used properly.
Never wear seat belts in any other way than as
described in this section, as that could result
in serious injuries in case of an accident.• Each occupant should wear their seat belt at all
times, because seat belts help reduce the
likelihood of and potential severity of injuries
in accidents, including rollovers. The
integrated restraint system includes “SRS”
(driver airbag, front passenger airbag, front
and rear door mounted side impact airbags),
“ETR” (seat belt emergency tensioning
retractors for the outboard passenger seats
[except in the optional 3rd row seats]), and
front seat knee bolsters. The system is
designed to enhance the protection offered to
properly belted occupants in certain frontal
(front airbags) and side (side impact airbags)
impacts which exceed preset deployment
thresholds.

55 Restraint systems
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index BabySmart
TM airbag deactivation system
Special BabySmart
TM compatible child seats, designed
for use with the Mercedes-Benz system and available at
any authorized Mercedes-Benz Center are required for
use with the BabySmart
TM airbag deactivation system.
With the special child seat properly installed, the
passenger front airbag will not deploy. The 7
indicator lamp located in the instrument cluster will be
illuminated, except with key removed or in steering lock
position 0. The system does not deactivate the door
mounted side impact airbag.
Self-test BabySmart
TM
withoutspecialchildseatinstalled
After turning key in steering lock to position 1 or 2, the
7 indicator lamp located in the instrument cluster
comes on for approximately 6 seconds, extinguishes,
then blinks once.
If the indicator lamp should not come on or is
continuously lit, the system is not functioning. You must
see an authorized Mercedes-Benz Center before seating
any child on the front passenger seat.
BabySmart
TM is a trademark of Siemens Automotive Corp.
Wa r n i n g !
The BabySmart
TM Airbag Deactivation System will
ONLY work with a special child seat designed to
operate with it. It will not work with child seats
which are not BabySmart
TM compatible.
Never place anything between seat cushion and
child seat (e.g. pillow), since it reduces the
effectiveness of the deactivation system. The
bottom of the child seat must make full contact
with the passenger seat cushion. An incorrectly
mounted child seat could cause injuries to the
child in case of an accident instead of protecting
the child.
Follow the manufacturer’s instructions for
installation of special child seats.The passenger front airbag will not deploy only if
the 7 indicator lamp remains illuminated.Please be sure to check the indicator every time
you use the special system child seat.Should the light go out while the restraint is
installed, please check installation. If the light
remains out, do not use the BabySmart
TM restraint
to transport children on the front passenger seat
until the system has been repaired.

77 Rear view mirrors
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Exterior rear view mirrors
The switch is located on the center console.
1Driver’s side
2Passenger side
3Adjustment buttonExterior rear view mirror adjustment
Turn key in steering lock to position 1 or 2.
Push button to select mirror to be adjusted:
Driver’s side – Push button (1).
Passenger side – Push button (2).
Push the adjustment button (3) up, down, left or right
according to the setting desired.
Note:
The exterior mirrors have electrically heated glass. The
heater switches on automatically, depending on outside
temperature.
With the front doors closed and the key in steering lock
position 0 or 1, or removed from steering lock, the
exterior rear view mirrors can be operated for
approx. 30 minutes.
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Wa r n i n g !
Exercise care when using the passenger-side
mirror. The passenger-side exterior mirror is
convex (outwardly curved surface for a wider field
of view). Objects in mirror are closer than they
appear. Check your inside rear view mirror or
glance over your shoulder before changing lanes.

79 Rear view mirrors
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Exterior rear view mirror, electrically folding
(optional on ML 320 and ML 500)
The switch is located on the center console.
Turn the key in steering lock position 2.
1Press briefly switch to fold mirror in
2Press briefly switch to fold mirror outIf an exterior mirror housing is forcibly pushed forward
(hit from the rear), it must be repositioned manually by
applying firm pressure until it snaps back into place.
If an exterior mirror is forcibly pushed rearward (hit
from the front) press button (1) to fold mirrors in, then
press button (2) to fold mirrors out. Do not force mirror
by hand.
You can adjust the exterior rear view mirrors again, see
page 77.
Notes:
The mirrors cannot be folded in above vehicle speeds of
approx. 9 mph (15km/h).
The exterior rear view mirrors can vibrate if they are
not completely folded out.
Before running the vehicle through an automatic car
wash, fold the mirrors in, otherwise they might get
damaged.
With the front doors closed and the key in steering lock
position 0 or 1, or removed from steering lock, the
exterior rear view mirrors can be operated for
approx. 30 minutes.
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