MERCEDES-BENZ ML320 2008 W164 Owner's Manual

450 Practical hints
Where will I find ...?
Example illustration1
6Wheel wrench
7Vehicle jack2
8Collapsible wheel chock
9Fuse chart
aTowing eye bolt
bAlignment bolt
cSpare wheel boltsVehicle jack
The vehicle jack is located underneath the
cargo compartment floor.
Remove vehicle jack (page 450).
1Depending on production date, your vehicle may
be equipped with a scissors-type vehicle jack.
Thus, appearance and alignment of the items may
vary.
2If your vehicle is equipped with a scissors-type
vehicle jack, a reversible ratchet is also included.
!Depending on vehicle production date your
vehicle may be equipped with a scissors-type
jack (located under the cargo compartment
floor). If so equipped, only use this jack when
jacking up the vehicle as otherwise the vehicle’s
underbody can be damaged. See separate
instructions for scissors-type jack.
!To prevent damage, always disengage the
strap of the securing hook and lower the cargo
compartment floor (
page 448) before closing
the tailgate.
Warning!G
Only use the jack supplied with your vehicle
to lift the vehicle briefly for wheel changes.
If you use the jack for any other purpose,
you or others could be inj ure d, as the ja ck is
designed only for the purpose of changing a
wheel.
When using the jack, observe the safety
notes in the “Mounting the spare wheel”
section (
page 479) and the notes on the
jack.

451 Practical hints
Where will I find ...?
Screw-type vehicle jack
Storage position
Turn crank handle in the direction of
arrow as far as it will go.
Operational position
Turn crank handle clockwise.Before storing the vehicle jack in its
storage compartment:

The vehicle jack should be fully
collapsed.

The handle must be folded in (storage
position).
Scissors-type vehicle jack
Storage position
Take the reversible ratchet out of the
vehicle tool kit.
Operational position
1Scissors-type vehicle jack
2Reversible ratchet
Attach reversible ratchet2 to vehicle
jack in such a way that the wordUP
can be seen.
Before storing the vehicle jack in its stor-
age compartment:

It should be fully collapsed (storage
position).

The ratchet must be removed.

452 Practical hints
Where will I find ...?
Setting up the collapsible wheel chock
The collapsible wheel chock serves to ad-
ditionally secure the vehicle, e.g. while
changing the wheel.
1Tilt the plate upward
2Fold the lower plate outward
3Insert the plateTilt both plates upward1.
Fold the lower plate outward2.
Guide the tabs of the lower plate all the
way into the openings of base plate3.
For information on where to place wheel
chocks when changing a wheel, see “Lift-
ing the vehicle” (
page 479).
Minispare wheel (except ML 63 AMG)
Warning!G
The dimensions of the Minispare wheel are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a Minispare wheel
mounted. Adapt your driving style accord-
ingly.
The Minispare wheel is for temporary use
only. When driving with a Minispare wheel
mounted, ensure proper tire inflation
pressure and do not exceed a vehicle speed
of 50 mph (80 km/h).
Drive to the nearest Mercedes-Benz Light
Truck Center as soon as possible to have the
Minispare wheel replaced with a regular
road wheel.
Never operate the vehicle with more than
one spare wheel mounted.
Do not switch off the ESP
® when a
Minispare wheel is mounted.

453 Practical hints
Where will I find ...?
The Minispare wheel is located underneath
the cargo compartment floor
(
page 448).
Removing Minispare wheel
1Retaining screw
2Storage well casing
3Minispare wheelFor access the Minispare wheel, see “Vehi-
cle tool kit” (
page 448).
Loosen retaining screw1 by turning it
counterclockwise.
Remove storage well casing2.
Remove Minispare wheel3.
Collapsible tire (ML 63 AMG only)
iFor information on how to mount the
Minispare wheel, see “Mounting the spare
wheel” (
page 479).
iRemove Minispare wheel to gain access to
remaining tools in the vehicle tool kit
(
page 448).
Warning!G
The dimensions of the collapsible tire are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a collapsible tire
mounted. Adapt your driving style accord-
ingly.
The collapsible tire is for temporary use
only. When driving with a collapsible tire
mounted, ensure proper tire inflation
pressure and do not exceed a vehicle speed
of 50 mph (80 km/h).
Drive to the nearest Mercedes-Benz Light
Truck Center as soon as possible to have the
collapsible tire replaced with a regular road
wheel.
Never operate the vehicle with more than
one collapsible tire mounted.
Do not switch off the ESP
® when a
collapsible tire is mounted.

454 Practical hints
Where will I find ...?
The collapsible tire is located underneath
the cargo compartment floor
(
page 448).
Removing the collapsible tire
1Electric air pump
2Collapsible tire
3Vehicle tool kit storage well casing
4Alignment bolt
5Towing eye bolt
6Wheel wrenchFor access the collapsible tire, see “Vehi-
cle tool kit” (
page 448).
Remove the vehicle tool kit storage
well casing3.
7Retaining screw
Loosen retaining screw7 by turning it
counterclockwise.
Remove collapsible tire2.
iFor information on how to mount the
collapsible tire, see “Mounting the spare wheel”
(
page 479).
iRemove collapsible tire to gain access to
remaining tools in the vehicle tool kit
(
page 448).

455 Practical hints
Unlocking/locking in an emergency
Unlocking/locking in an emergency
Unlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or KEYLESS-GO*, open the
driver’s door using the mechanical key.Removing the mechanical key
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of
arrow.
The mechanical key2 comes out.
Slide mechanical key2 out of the
housing.Unlocking the driver’s door
Insert mechanical key2 into the
driver’s door lock until it stops.
Turn mechanical key2 counterclock-
wise to position1 and hold it there.
Pull the door handle until the locking
knob moves up (
page 118).
The driver’s door is unlocked.
Pull the door handle once more to open
the driver’s door.
iUnlocking the driver’s door with the
mechanical key will trigger the anti-theft alarm
system.
To cancel the alarm, insert the SmartKey or
SmartKey with KEYLESS-GO* in the starter
switch.
1Unlocking
2Mechanical key

456 Practical hints
Unlocking/locking in an emergency
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey or KEYLESS-GO*, lock the vehi-
cle carrying out the following steps.
Close the front passenger door, the
rear right door and the tailgate.
Open the driver’s door and the rear left
door.
Press the central locking switch on the
driver’s door (
page 126).
The locking knobs of the front passen-
ger door and the rear doors move
down.
If the vehicle battery is disconnected or
drained:
Press down the locking knobs of
the front passenger door and the
rear doors manually.
Exit the vehicle.
Close the driver’s door.
Enter the vehicle through the rear left
door.
Press down the locking knob of the
driver’s door.
Exit the vehicle.
Close the rear left door.
The vehicle is locked.
Unlocking and opening the tailgate
A minimum height clearance of 7.2 ft
(2.20 m) is required to open the tailgate.If the tailgate can no longer be unlocked
and opened using the Œbutton on the
SmartKey or the KEYLESS-GO* function,
use the emergency release lever to unlock
and open the tailgate.
The emergency release lever is located on
the inside of the tailgate.
1Emergency release lever
2CoverRemove cover2 from the trim on the
tailgate.
Push release lever1 all the way to the
left.
Lift the tailgate.
!To prevent inadvertent lockout, make sure
to have the SmartKey or SmartKey with
KEYLESS-GO* with you before proceeding with
the next step. The next step will lock the vehicle.
iThis procedure does not arm the anti-theft
alarm system, nor does it lock the fuel filler flap.

457 Practical hints
Unlocking/locking in an emergency
Fuel filler flap
Open the tailgate (page 119).
The fuel filler flap release is located behind
a cover in the right side trim panel of the
cargo compartment.
1Lock
2Cover
Insert a suitable object such as a coin
into the slot of lock1.
Turn lock1 by 90° in direction of
arrow.
Remove cover2.3Fuel filler flap release
Pull yellow fuel filler flap release3 in
direction of arrow.
The fuel filler flap is unlocked.
Open the fuel filler flap (page 337).
!Always make sure there is sufficient over-
head clearance.
iIf the vehicle has previously been locked
from the outside using the SmartKey or
KEYLESS-GO*, opening the tailgate from the
inside using the emergency release lever will
trigger the anti-theft alarm system.
To cancel the alarm, do one of the following:

Insert the SmartKey or the SmartKey with
KEYLESS-GO* in the starter switch.

Press buttonŒ or‹ on the
SmartKey or the SmartKey with
KEYLESS-GO*.
In vehicles with KEYLESS-GO*:

Pull an outside door handle.
The SmartKey with KEYLESS-GO* must be
within 3 ft (1 m) of the vehicle.

Press the KEYLESS-GO* start/stop button
(
page 41).
The SmartKey with KEYLESS-GO must be
inside the vehicle.

458 Practical hints
Resetting activated head restraints
If the active head restraints have been trig-
gered in a rear-end collision, the active
head restraints must be reset. Otherwise,
the active head restraints cannot offer any
additional protection in the event of anoth-
er rear-end collision.
You can tell that the head restraints have
been activated when they have been
moved forward and cannot be adjusted.
Vehicles without Rear seat entertain-
ment system*1Pull
2Adjust downward
3Press
Pull the top of the head restraint cush-
ion in direction of arrow1 as far as it
will go.
Adjust the head restraint cushion
downward in direction of arrow2 as
far as it will go.
Firmly press the top of the active head
restraint cushion towards the head
restraint cover in direction of arrow3
until it engages.
Warning!G
For safety reasons, have the active head re-
straints checked by an authorized
Mercedes-Benz Light Truck Center after a
rear-end collision.
Warning!G
When pushing back the head restraint cush-
ion, take care that your fingers do not be-
come caught between the head restraint
cushion and the cover. Failing to do so may
lead to injury.
!Be careful not to damage upholstery.
iFor your convenience, we recommend that
you have this work carried out by an authorized
Mercedes-Benz Light Truck Center.
iPressing the head restraint cushion back
requires high force. If you encounter difficulties
when pushing the head restraint back please
have the procedure performed at an authorized
Mercedes-Benz Light Truck Center.

459 Practical hints
Resetting activated head restraints
Repeat this procedure on the active
head restraint for the second front
seat.
For information on active head restraints,
see “Active head restraint” (
page 88).
For information on head restraint adjust-
ment, see “Seats” (
page 43).Vehicles with Rear seat entertainment
system*
Take the reset tool out of the
Mercedes-Benz vehicle literature
pouch.
1Reset tool
2Active head restraint1Reset tool
2Active head restraint
3Rectangular opening
Guide reset tool1 into rectangular
opening3 of active head restraint2.
Press reset tool1 downward in
direction of arrow until you hear the
head restraint release mechanism
audibly disengage.
Pull out reset tool1.