2005 MERCEDES-BENZ ML500 warning light

39 Getting started
Adjusting
Seat cushion tilt
Press the switch up or down in the di-
rection of arrow3 until your upper
legs are lightly supported.
Seat backrest tilt

Press the switch forward or backward
in the direction of arrow1 until your
arms are slightly angled when holding
the steering wheel.
Seat height

Press the switch up or down in the di-
rection of arrow4.Head restraint height
1Release button
Raising:

Manually adjust the height of the head
restraint by pulling it upward.
Lowering:

To lower the head restraint, push
release button1 and press down on
the head restraint.
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that the center of
the head restraint supports the back of the
head at eye level. This will reduce the poten-
tial for injury to the head and neck in the
event of an accident or similar situation.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.iAdjust the head restraint in such a way
that it is as close to the head as possi-
ble.

45 Getting started
Driving

With a smooth motion, pull the belt
from seat belt outlet4.

Place the shoulder portion of the belt
across the top of your shoulder and the
lap portion across your hips.

Push latch plate1 into buckle2 until
it clicks.

If necessary, tighten the lap portion to
a snug fit by pulling shoulder portion
up.

If necessary, adjust the seat belt to the
correct height (
page 46).
Proper use of seat belts


Do not twist the belt when fastening.


Adjust seat belt so that the shoulder
portion is located as close as possible
to the middle of the shoulder (it should
not touch the neck). Never pass the
shoulder portion of the belt under your
arm. For this purpose, you can adjust
the height of the belt outlet
(page 46).


Position the lap belt as low as possible
on your hips (over hip joint) and not
across the abdomen.


Place the seat backrest in a nearly up-
right position.


Never use a seat belt for more than one
person at a time.


Do not fasten a seat belt around a per-
son and another object at the same
time. When using a seat belt to secure
infant or toddler restraints or children
in booster seats, always follow the
child seat manufacturer’s instructions.


Check your seat belt during travel to
make sure it is properly positioned.


Make sure the seat belt is always fitted
snugly. Take special care of this when
wearing loose clothing.
Warning!
G
Do not pass belts over sharp edges. They
could tear.
Do not allow the belt to get caught in the
door or in the seat adjustment mechanism.
This could damage the belt.
Never attempt to make modifications to
seat belts. This could impair the effective-
ness of the belts.
Do not bleach or dye seat belts as this may
severely weaken them. In a crash, they may
not be able to provide adequate protection.
Damaged seat belts or belts that were highly
stressed in an accident must be replaced.
Contact an authorized Mercedes-Benz Light
Truck Center.

48 Getting startedDrivingStarting difficulties
If the engine does not start as described,
carry out the following steps:
Turn key in steering lock to position0
and repeat starting procedure.
Remember that extended starting at-
tempts can drain the battery.

Get a jump start (
page 291).
If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.

Notify an authorized Mercedes-Benz
Light Truck Center.Parking brake
1Parking brake pedal
2Release handle

Release the parking brake by pulling on
handle2.
The warning lampÉ in the instru-
ment cluster goes out.
Driving

Depress the brake pedal.

Move gear selector lever to positionD
orR.

Release the brake pedal.

Carefully depress the accelerator
pedal.
Once the vehicle is in motion, the auto-
matic central locking system engages
and the locking knobs drop down.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock, and lock the
vehicle.
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could release the parking brake,
which could result in an accident and / or se-
rious personal injury.
iWait for the gear selection process to
complete before setting the vehicle in
motion.

55 Getting started
Parking and locking
Switching off headlamps
Turn the combination switch to1
(page 50).
For more information, see “Lighting”
(
page 107).
Turning off engine
Place the gear selector lever in
positionP.

Turn the key in the steering lock to
position0 (
page 33) and remove it.
The immobilizer is activated.

Move the steering wheel slightly to al-
low the locking mechanism to engage.
Warning!
G
When leaving the vehicle, always remove the
key from the steering lock and lock the vehi-
cle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehi-
cle. Children could release the parking
brake and / or move the gear selector lever
from positionP, either of which could result
in an accident and / or serious personal
injury.
Warning!
G
Getting out of your vehicle with the gear
selector lever not fully engaged in positionP
is dangerous. Also, when parked on an in-
cline, positionP alone may not prevent your
vehicle from moving, possibly hitting people
or objects.
Always set the parking brake in addition to
shifting to positionP (
page 123).
When parked on an incline, also turn front
wheel towards the road curb.
iAlways set the parking brake in addi-
tion to shifting to positionP.
On steep slopes, turn the front wheels
towards the road curb.iThe key can only be removed from the
steering lock with the gear selector le-
ver in positionP.


58 Safety and SecurityOccupant safetyIn this section you will learn the most im-
portant facts about the restraint systems
of the vehicle.
The restraint systems are

Seat belts


Emergency tensioning device


Airbags


Child seats


Child seat recognition


Lower anchors and tethers for children
(LATCH)
As independent systems, their protective
effects work in conjunction with each
other.The 1 indicator lamp in the instrument
cluster (
page 26) comes on for about
four seconds when you turn the key in the
steering lock to position1. It goes out
when you start the engine. This shows that
the restraint systems are operational.
If the lamp does not come on at all or if it
fails to extinguish after approximately four
seconds or if it comes on thereafter, a mal-
function in the system has been detected.
For more information, see the “Practical
hints” section (
page 262).
iFor information on infants and children
traveling with you in the vehicle and
restraint systems for infants and chil-
dren, see “Children in the vehicle”
(page 67).
Warning!
G
In the event that the 1indicator lamp
comes on during driving or does not come at
all, the SRS self-check has detected a mal-
function.
For your safety, we strongly recommend
that you visit an authorized Mercedes-Benz
Light Truck Center immediately to have the
system checked; otherwise the SRS may not
be activated when needed in an accident,
which could result in serious or fatal injury,
or it might deploy unexpectedly and unnec-
essarily which could also result in injury.
In addition, improper work on the SRS cre-
ates a risk of rendering the SRS inoperative
or causing unintended airbag deployment.
Work on the SRS must therefore only be per-
formed by qualified technicians. Contact an
authorized Mercedes-Benz Light Truck
Center.

59 Safety and Security
Occupant safety
AirbagsWarning!
G
Airbags are designed to reduce the potential
of injury and fatality in certain frontal (front
airbags) impacts, or side (side impact and
head protection window curtain airbags) im-
pacts which may cause significant injuries.
However, no system available today can to-
tally eliminate injuries and fatalities.
The activation of the airbags temporarily re-
leases a small amount of dust from the air-
bags. This dust, however, is neither injurious
to your health, nor does it indicate a fire in
the vehicle. The dust might cause some tem-
porary breathing difficulty for people with
asthma or other breathing trouble. To avoid
this, you may wish to get out of the vehicle
as soon as it is safe to do so. If you have any
breathing difficulty but cannot get out of the
vehicle after the airbag inflates, then get
fresh air by opening a window or door.
Warning!
G
To reduce the risk of injury when the front
airbags inflate, it is very important for the
driver and front passenger to always be in a
properly seated position and to wear your
seat belt.
For maximum protection in the event of a
collision always be in normal seated position
with your back against the backrest. Fasten
your seat belt and make sure it is properly
positioned on your body (
page 43).
Since the airbag inflates with considerable
speed and force, a proper seating and hands
on steering wheel position will help to keep
you at a safe distance from the airbag. Oc-
cupants who are unbelted, out of position or
too close to the airbag can be seriously in-
jured by an airbag as it inflates with great
force in the blink of an eye:


Sit properly belted in a nearly upright
position with your back against the seat
backrest.


Adjust the driver seat as far as possible
rearward, still permitting proper opera-
tion of vehicle controls. The distance
from the center of the driver’s breast-
bone to the center of the airbag cover on
the steering wheel must be at least
ten inches (25 cm) or more. You should
be able to accomplish this by a combina-
tion of adjustments to the seat and
steering wheel. If you have any prob-
lems, please see an authorized
Mercedes-Benz Light Truck Center.


Airbags and emergency tensioning de-
vices (ETDs) are designed to function on
a one-time only basis. An airbag or ETD
that was activated must be replaced.


Do not lean with your head or chest
close to the steering wheel or dash-
board.


Keep hands on the outside of steering
wheel rim. Placing hands and arms in-
side the rim can increase the risk and
potential severity of hand / arm injury
when driver front airbag inflates.


62 Safety and SecurityOccupant safetySafety guidelines for the seat belt,
emergency tensioning device and
airbagWarning
G


Damaged seat belts or belts that were
highly stressed in an accident must be
replaced and their anchoring points
must also be checked. Use only belts in-
stalled or supplied by an authorized
Mercedes-Benz Light Truck Center.


No modifications of any kind may be
made to any components or wiring of
the SRS. This includes changing or re-
moving any component or part of the
SRS, the installation of additional trim
material, badges, etc. over the steering
wheel hub, passenger front airbag cov-
er, or door trim panels, and installation
of additional electrical / electronic
equipment on or near SRS components
and wiring. Keep area between airbags
and occupants free from objects (e.g.
packages, purses, umbrellas, etc.).


Airbags and emergency tensioning de-
vices (ETDs) are designed to function on
a one-time only basis. An airbag or ETD
that was activated must be replaced.


Do not pass belts over sharp edges.
They could tear.


Do not make any modification that could
change the effectiveness of the belts.


Do not bleach or dye seat belts as this
may severely weaken them. In a crash
they may not be able to provide ade-
quate protection.


Do n o t h a ng i te ms su ch as c o at ha n ger s
from the coat hooks or handles over the
door. These items may turn into projec-
tiles and cause head and other injuries
when curtain airbag is deployed.


Never place your feet on the instrument
panel, dashboard, or on the seat. Always
keep both feet on the floor in front of the
seat.


Airbag system components will be hot
after an airbag has inflated. Do not
touch.


In addition, improper repair work on the
SRS creates a risk of rendering the SRS
inoperative or causing unintended air-
bag deployment. Work on the SRS must
therefore only be performed by qualified
technicians. Contact an authorized
Mercedes-Benz Light Truck Center.


For your protection and the protection
of others, when scrapping the airbag
unit or emergency tensioning device,
our safety instructions must be fol-
lowed. These instructions are available
from your authorized Mercedes-Benz
Light Truck Center.


Given the considerable deployment
speed and the textile structure of the
airbags, there is the possibility of abra-
sions or other injuries resulting from air-
bag deployment.

63 Safety and Security
Occupant safety
When you sell your vehicle, we strongly
urge you to give notice to the subsequent
owner that it is equipped with an SRS by
alerting them to the applicable section in
the Operator’s Manual.Front airbags
1Driver airbag
2Passenger front airbag
3Side impact airbag
Driver and front passenger airbags are
deployed:


in the event of a frontal impact


if impact exceeds a preset deployment
threshold


independently of the side impact air-
bagsThe airbags will not deploy in impacts
which do not exceed the system’s deploy-
ment thresholds. You will then be protec-
ted by the fastened seat belts.
The passenger front airbag will only be
deployed if:


the passenger seat is occupied


the 7indicator lamp in the instru-
ment cluster is not lit (
page 26)


the impact exceeds a preset deploy-
ment threshold
Warning!
G
In the event that the 1indicator lamp
comes on while driving, the SRS may not be
operational. For your safety, we strongly
recommend that you visit an authorized
Mercedes-Benz Light Truck Center immedi-
ately to have the system checked; otherwise
the SRS may not be activated when needed
in an accident, which could result in serious
or fatal injury, or it might deploy unexpect-
edly and unnecessarily which could also re-
sult in injury.
!Do not place objects heavier than
20 lbs (9 kg) on the front passenger
seat. This could cause the front or side
impact airbag on the front passenger
side to deploy in a crash which exceeds
the system's deployment threshold.