1997 MERCEDES-BENZ ML320 steering

70 Safety and SecurityOccupant safetyBabySmart
TM
airbag deactivation
system
Special BabySmart
TM1
compatible child
seats, designed for use with the
Mercedes-Benz system and available at
any authorized Mercedes-Benz Light Truck
Center, are required for use with the
BabySmart
TM airbag deactivation system.
With the special seat properly installed,
the passenger front airbag will not deploy.
The 7indicator lamp located in the in-
strument cluster will be illuminated, ex-
cept with the key removed or in steering
lock position0 (
page 33).Self-test BabySmart
TM
without special
child seat installed
After turning the key in the steering lock to
position1 or2, the 7indicator lamp lo-
cated in the instrument cluster comes on
for approximately six seconds, extin-
guishes, then flashes once.
If the indicator lamp should not come on or
is continuously lit, the system is not func-
tioning. You must see an authorized
Mercedes-Benz Light Truck Center before
seating any child on the front passenger
seat.
More information can be found in the
“Practical hints” section (page 243).
1BabySmart
TMis a trademark of Siemens
Automotive Corp.
iThe system does not deactivate the
door mounted side impact airbag, the
window curtain airbags and the emer-
gency tensioning device.
Warning!
G
The BabySmart
TM airbag deactivation sys-
tem 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 sys-
tem. 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.
When using a BabySmart
TM compatible
child seat on the front passenger seat, the
passenger front airbag will not deploy only if
the 7indicator lamp remains illumi-
nated.

74 Safety and SecurityOccupant safetyFor more information on power windows,
see the “Controls in detail” section
(page 144).Warning!
G
Activate the override switch when children
are riding in the back seats of the vehicle.
The children may otherwise injure them-
selves, e.g. by becoming trapped in the win-
dow opening.
When leaving the vehicle, always remove the
key from the steering lock, and lock the ve-
hicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and / or seri-
ous personal injury.

75 Safety and Security
Panic alarm
Panic alarm
An audible alarm and flashing turn signal
lamps will operate for approximately
2½ minutes.
1Âbutton
Activating
Press and hold button1 for at least
one second.
Deactivating
Press button1 again.
or

Insert key in steering lock.
iFor operation in the USA only: This de-
vice complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:

This device may not cause harmful
interference, and


this device must accept any inter-
ference received, including interfer-
ence that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority
to operate the equipment.

78 Safety and SecurityDriving and safety systemsFor more information, see “The yellow ABS
warning lamp comes on while driving.”
(page 242).
BAS
The Brake Assist System (BAS) operates in
emergency situations. If you apply the
brakes very quickly, the BAS automatically
provides full brake boost, thereby poten-
tially reducing braking distance. Apply con-
tinuous full braking pressure until the
emergency braking situation is over. The
ABS will prevent the wheels from locking.
When you release the brake pedal, the
brakes function again as normal. The BAS
is then deactivated.
The ¿indicator lamp in the instrument
cluster (
page 25) comes on when you
turn the key to position2. It goes out when
the engine is running.
For more information, see “The yellow
BAS / ESP malfunction indicator lamp
comes on while driving.” (
page 246).
Warning!
G
The ABS cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase braking or steering efficiency be-
yond that afforded by the condition of the
vehicle brakes and tires or the traction af-
forded. The ABS cannot prevent accidents,
including those resulting from excessive
speed in turns, following another vehicle too
closely, or hydroplaning. Only a safe, atten-
tive, and skillful driver can prevent acci-
dents. The capabilities of an ABS equipped
vehicle must never be exploited in a reck-
less or dangerous manner which could jeop-
ardize the user’s safety or the safety of
others.
Warning!
G
The BAS cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase braking efficiency beyond that af-
forded by the condition of the vehicle brakes
and tires or the traction afforded. The BAS
cannot prevent accidents, including those
resulting from excessive speed in turns, fol-
lowing another vehicle too closely, or hydro-
planing. Only a safe, attentive, and skillful
driver can prevent accidents. The capabili-
ties of a BAS equipped vehicle must never
be exploited in a reckless or dangerous
manner which could jeopardize the user’s
safety or the safety of others.

81 Safety and Security
Driving and safety systems
LOW RANGE – ESP
During off-road driving, a special low range
system for the ESP is operational with
transmission in LOW RANGE mode
(page 125).
In the LOW RANGE mode, the ESP ope-
rates in a traction improving fashion spe-
cifically adapted for off-road driving. At
speeds below 27 mph (45 km / h), the ESP
assists in over- / understeering, thus im-
proving vehicle traction.Switching off the ESP
To improve the vehicle’s traction, turn off
the ESP in driving situations where it would
be advantageous to have the drive wheels
spin and thus cut into surfaces for better
grip such as:


starting out on slippery surfaces and in
deep snow in conjunction with snow
chains


in sand or gravel


when driving off-road
Warning!
G
The ESP cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase the traction afforded. The ESP
cannot prevent accidents, including those
resulting from excessive speed in turns, fol-
lowing another vehicle too closely, or hydro-
planing. Only a safe, attentive, and skillful
driver can prevent accidents. The capabili-
ties of an ESP equipped vehicle must never
be exploited in a reckless or dangerous
manner which could jeopardize the user’s
safety or the safety of others.
!Because of the ESP’s automatic opera-
tion, the engine must be shut off
(SmartKey in starter switch position0
or1) when the parking brake is being
tested on a brake test dynamometer.
Active braking action through ESP may
otherwise seriously damage the front
or rear axle brake system.
Operational tests with the engine
running can only be conducted on a
two-axle dynamometer.
Warning!
G
The ESP should not be switched off during
normal driving other than in the circum-
stances described below. Disabling of the
system will reduce vehicle stability in stan-
dard driving maneuvers.

83 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Removing the key from the steering lock
activates the immobilizer.
Deactivating
Turning the key in the steering lock to
position2 (
page 33) deactivates the im-
mobilizer.
Anti-theft alarm
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone:

opens a door


opens the liftgate


opens the hood
The alarm will stay on even if the activating
element (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when


someone attempts to raise the vehicle


unlocking and opening the driver’s
door with the mechanical keyArming the alarm system
The alarm system is armed after locking
the vehicle with the remote control. The
turn signal lamps flash three times to indi-
cate that the alarm system is activated. A
red lamp in the center console will flash af-
ter approximately 10 seconds when the
alarm system is completely armed
(
page 27).
iIn case the engine cannot be started
(vehicle’s battery is in order), the sys-
tem is not operational. Contact an au-
thorized Mercedes-Benz Light Truck
Center or call 1-800-FOR-MERCedes
(in the USA), or 1-800-387-0100 (in
Canada).
iIf the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid* sys-
tem (
page 171) provided Tele Aid
service was subscribed to and properly
activated, and that necessary cellular
service and GPS coverage are avail-
able.

84 Safety and SecurityAnti-theft systemsDisarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the remote con-
trol. The turn signal lamps flash once to in-
dicate that the alarm system is
deactivated.Canceling the alarm
To cancel the alarm:

Switch on the ignition by turning the
key in the steering lock to position2.
or

Press theŒ or ‹button on the
remote control.
The alarm is canceled.
Tow-away alarm, glass breakage
sensor
The tow-away alarm and the glass break-
age sensor are part of the anti-theft alarm
system.Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone:


attempts to raise the vehicle


breaks a window and reaches into the
passenger compartment
iIf the turn signal lamps do not flash
three times, the tow-away - glass
breakage sensor is malfunctioning or
one of the following elements may not
be properly closed:

a door


the liftgate


the hood
Close the respective element and lock
the vehicle again.
iThe alarm system will rearm automati-
cally again after approximately
40 seconds if one of the doors or the
liftgate is not opened.
iThe tow-away protection alarm is trig-
gered, for example, if the vehicle is
lifted on one side.
If the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid* sys-
tem (
page 171) provided Tele Aid
service was subscribed to and properly
activated, and that necessary cellular
service and GPS coverage are avail-
able.

85 Safety and Security
Anti-theft systems
Arming tow-away alarm and glass
breakage sensor
When you lock your vehicle, the tow-away
and glass breakage sensor alarm is auto-
matically armed.
Disarming tow-away alarm and glass
breakage sensor
To prevent triggering the tow-away alarm
feature, switch off the tow-away alarm and
glass breakage sensor before towing the
vehicle, or when parking on a surface sub-
ject to movement, such as a ferry or auto
train.Vehicles with trip computer*
The buttons are located in the overhead
control panel.
1Reset button
2Mode button
3Display
4Glass breakage sensor

Turn key in steering lock to position2
(page 33).

Return key to position0 and remove it
from the steering lock.

Within 30 seconds press button1
or2.
The display shows
OFF
.

Exit vehicle and lock vehicle with
remote control (
page 32).
The tow-away alarm and glass breakage
sensor remain switched off until the key is
inserted in steering lock and turned to
position1.