MERCEDES-BENZ GL SUV 2009 Repair Manual

Opening and closing
Key
The key centrally locks/unlocks:
R the doors
R the tailgate
R the fuel filler flap G
Risk of accident
If children are left unsupervised in the vehicle,
they could:
R open a door from the inside at any time,
even if it has been locked
R start the vehicle using a key which has been
left in the vehicle
R release the parking brake
They could thereby endanger themselves and
others. Never leave children unsupervised in
the vehicle. Always take the key with you
when leaving the vehicle, even if you are only
leaving it for a short time. :
& To lock the vehicle
; F To open/close the tailgate*
= Emergency key element
? % To unlock the vehicle
A Battery check lamp
When unlocking, the turn signals flash once.
When locking, they flash three times.
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer. The vehicle relocks automatically if you do not
open a door or the tailgate within 40 seconds
of unlocking the vehicle.
KEYLESS GO* You can start, lock or unlock the vehicle using
the KEYLESS GO key. To do this, you only
need carry the key with you. When you touch
the surface of the sensors on the vehicle's
door handles, KEYLESS GO establishes a
radio connection between the vehicle and the
key.
The distance to the door handle from which
you wish to lock or unlock the vehicle must
not be greater than 1 m.
When starting the engine and whilst driving,
KEYLESS GO also checks whether a valid key
is in the vehicle by periodically establishing
radio contact. X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: press locking but-
ton :.
If you pull on the handle of the tailgate, only
the luggage compartment of the vehicle is
unlocked.
i If the vehicle has been parked for a long
time, you must pull the door handle to acti-
vate KEYLESS GO. 58
Opening and closingControls
* optional
X164_AKB; 2; 3, en-GB
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Individual settings
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
could be useful if you frequently travel on your
own.
X To change the setting: press the%
and & buttons simultaneously for
approximately six seconds until the battery
check lamp flashes twice.
The key now functions as follows:
X To unlock the driver's door: press the
% button once.
X To unlock centrally: press the%but-
ton twice.
X To lock centrally: press the&button.
The KEYLESS GO* function is changed as fol-
lows:
X To unlock the driver's door: touch the
inner surface of the door handle on the
driver's door.
X To unlock centrally: touch the inner sur-
face of the door handle on the front-
passenger door or the rear door.
X To lock centrally: press locking but-
ton :on one of the door handles.
Restoring the factory settings X
Press the %and& buttons simulta-
neously for approximately six seconds until
the battery check lamp flashes twice.
Additional information R
Convenience opening (Y page 87)
R Convenience closing (Y page 87)
R Opening and closing in an emergency
(Y page 250) Opening the doors from the inside
You can open a door from the inside even if it
has been locked, unless the child-proof locks
have been activated ( Ypage 49). X
Pull door handle ;.
If the door is locked, locking knob :pops
up. The door is unlocked and can be
opened. Locking/unlocking the vehicle from
the inside
You can centrally lock or unlock the vehicle
from the inside. This feature may be useful if,
for example, you wish to unlock the front-
passenger door from the inside or lock the
vehicle before you pull away.
i You cannot unlock the vehicle centrally
from the inside if the vehicle has been
locked with the key or KEYLESS GO*.
i It is only possible to lock the vehicle cen-
trally if the front-passenger door is closed. Opening and closing
59Controls
* optional
X164_AKB; 2; 3, en-GB
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X
To unlock: press button :.
X To lock: press button ;.
Automatic locking The vehicle will lock automatically once you
have pulled away.
You can switch the automatic locking func-
tion on and off using the on-board computer
(Y page 107).
i The vehicle is locked automatically when
the ignition is switched on and the wheels
begin to turn. There is a risk of being locked
out when the vehicle is being pushed or
tested on a dynamometer. Tailgate
Points to remember
G
Risk of poisoning
Exhaust fumes could enter the vehicle interior
if the engine is running and the tailgate is
open. This could poison you. Therefore, you
should make sure that the tailgate is always
closed when the engine is running.
! The tailgate swings up and to the rear
when opened. Therefore, make sure that
there is sufficient clearance above and
behind the tailgate.
Do not leave the key in the luggage compart-
ment. Otherwise, you could lock yourself out.
On vehicles with a spare wheel bracket*, you
can only open the tailgate after first opening
the spare wheel bracket* completely.
i You will find details of the tailgate opening
dimensions in the Technical data section
(Y page 295). The tailgate can be:
R
opened and closed manually
(Y page 61)
R opened and closed* automatically from
outside (Y page 62)
R opened and closed* automatically from
inside (Y page 62) Spare wheel bracket*
G
Risk of accident
While the spare wheel bracket is folded to the
side, the tail lamps may be blocked from view.
Other road users may then fail to see you and
crash into your vehicle. Additionally, secure
your vehicle using a warning lamp or a warn-
ing triangle.
Do not drive with the spare wheel bracket fol-
ded out.
Make sure that the spare wheel bracket is
closed correctly.
Otherwise, the freely moving spare wheel
bracket could injure people or cause an acci-
dent.
! Do not wash vehicles equipped with a
spare wheel bracket in an automatic car
wash.
Opening the spare wheel bracket 60
TailgateControls
* optional
X164_AKB; 2; 3, en-GB
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X
To unlock centrally: press the%but-
ton on the key.
X Pull handle ;and pull spare wheel
bracket :to the side in the direction of
the arrow. X
Turn handle :in the direction of the arrow
from position 2to position 3.
The spare wheel bracket is locked in the
open position.
Closing the spare wheel bracket X
Turn handle :from position 3to posi-
tion 2.
The spare wheel bracket is released.
X Close the spare wheel bracket until you feel
it engage. Opening and closing manually
X To open: press the %button on the key. X
Pull handle :. G
Risk of injury
Make sure that nobody can become trapped
as you close the tailgate. X
To close: pull down the tailgate using one
of recesses :.
X Push the tailgate closed from the outside.
X Lock the vehicle, if necessary, with
the & button on the key or with KEY-
LESS GO* ( Ypage 58).
Opening the tailgate from inside You can unlock and open the tailgate from the
inside.
The handle is located on the lower part of the
window frame of the tailgate on the right-
hand side when viewed in the direction of
travel. Tailgate
61Controls
* optional
X164_AKB; 2; 3, en-GB
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X
Press handle :in the direction of
arrow ;as far as it will go and hold it there.
X From this position, pull handle :in the
direction of arrow =as far as it will go and
hold it there.
X Swing the tailgate upwards.
i Vehicles with the EASY-PACK tailgate*:
If you do not open the tailgate after unlock-
ing, it will lock again automatically after a
few seconds. Automatically opening/closing* the
vehicle from inside G
Risk of injury
Monitor the tailgate opening and closing pro-
cedures to make sure that nobody can
become trapped. To halt the opening or clos-
ing procedure, press the closing button* on
the tailgate again or pull the handle on the
outside of the tailgate.
Opening the spare wheel bracket You can open the tailgate automatically using
the key or the handle in the tailgate. 11
X To open: press and hold the Fbutton
on the key until the tailgate opens.
or
X When the tailgate is unlocked, pull the han-
dle and let it go again immediately.
Closing the spare wheel bracket You can close the tailgate automatically using
the key 11
, using the closing button 11
or lock-
ing button 12
. X
To close: press closing button :on the
tailgate or press and hold down the F
button until the tailgate closes.
X To close and lock simultaneously:
Press locking button ;on the tailgate.
i The tailgate can only be opened and
closed with the key if there is no key in the
ignition lock.
If the tailgate touches an object while clos-
ing, the closing procedure is interrupted
and the tailgate reopens.
i Only with KEYLESS GO*: if you leave a
KEYLESS GO key* in the luggage compart-
ment, the tailgate will not lock.
The tailgate is not closed unless a KEYLESS
GO* key is recognised. Automatically opening/closing* the
vehicle from inside
You can open/close the tailgate from the
driver's seat when the vehicle is stationary. G
Risk of injury
Monitor the tailgate opening and closing pro-
cedures to make sure that nobody can
become trapped. To halt the opening or clos-
ing procedure, press or pull the tailgate's
remote operating button from the driver's
seat again.
11 Only on vehicles with an EASY-PACK tailgate*.
12 Only on vehicles with an EASY-PACK tailgate* and KEYLESS GO*. 62
TailgateControls
* optional
X164_AKB; 2; 3, en-GB
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X
To open: pull remote operating switch :
until the tailgate opens.
X To close: turn the key to position 1or 2in
the ignition lock.
X Press remote operating switch for tail-
gate :until the tailgate is closed. Limiting the tailgate opening angle*
You can limit the opening angle of the tailgate
in the top half of its opening range. This could
be useful, for example, when there is insuffi-
cient space above the tailgate.
! Make sure there is sufficient clearance to
open the tailgate fully when setting the
opening angle. The tailgate could otherwise
be damaged. Ideally, limit the opening
angle outside.
Activating X
To open the tailgate: pull the handle on
the tailgate.
X To stop the opening procedure at the
desired position: press the closing button
(Y page 62) in the tailgate or pull the handle
on the outside of the tailgate again.
X Press and hold the closing button in the
tailgate until you hear a short tone.
The opening angle limiter is activated. The
tailgate will now stop in the stored position
when opening. Deactivating X
Press and hold the closing button
(Y page 62) in the tailgate until you hear
two short tones. Key positions
Key
g
To remove the key
1 Power supply for some consumers, such
as the windscreen wipers
2 Ignition (power supply for all consumers)
and drive position
3 To start the engine
i Even if the key is not for the vehicle in
question, it will still turn in the ignition lock.
The ignition is not switched on. The engine
cannot be started. KEYLESS GO*
If you press the Start/Stop button repeatedly
without depressing the brake pedal, its func-
tion corresponds to the different key posi-
tions in the ignition lock.
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately. Key positions
63Controls
* optional
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X
Position 0: if Start/Stop button :has not
yet been pressed, this corresponds to "key
removed".
X Position 1: press Start/Stop button :
once.
It is now possible to switch on the wind-
screen wipers, for example.
i If you press Start/Stop button :in this
position twice, the power supply is discon-
nected again.
X Position 2(ignition): press Start/Stop but-
ton :twice.
i If you press Start/Stop button :in this
position, the power supply is disconnected
again.
Removing the Start/Stop button You can remove the Start/Stop button from
the ignition lock and start the vehicle with a
key as usual.
i You do not need to remove the Start/
Stop button from the ignition lock when you
leave the vehicle.
i Switching between KEYLESS GO mode
and key mode is only possible when the
transmission is in position P. X
Remove Start/Stop button :from ignition
lock ;.
i If you switch from key mode to KEYLESS
GO mode, the system requires a two-sec-
ond recognition period before you can use
the Start/Stop button. Seats
Points to remember
For information about folding the rear bench
seat forwards, see the "Luggage compart-
ment enlargement" section (Y page 154). G
Risk of injury
The seats can still be adjusted when there is
no key in the ignition lock. For this reason,
children should never be left unsupervised in
the vehicle. They could become trapped when
adjusting a seat. G
Risk of accident
Only adjust the driver's seat when the vehicle
is stationary. You will otherwise be distracted
from the road and traffic conditions and you
could lose control of the vehicle as a result of
the seat moving. This could cause an acci-
dent. G
Risk of injury
Make sure that nobody can become trapped
when you adjust the seat.
Observe the notes concerning the airbag sys-
tem. 64
SeatsControls
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Secure children as recommended; see "Chil-
dren in the vehicle" section.
G
Risk of injury
Make sure that the central area of the head
restraint supports the back of your head at
about eye level. You could seriously injure
your neck if your head is not correctly sup-
ported by the head restraint in the event of an
accident. Never travel without a correctly
adjusted and engaged head restraint.
! When you move the seats, make sure that
there are no objects in the footwell or
behind the seats. Otherwise, you could
damage the seats and the objects.
! When the rear bench seat is folded for-
wards, the front seats cannot be moved to
their rearmost position. Otherwise, you
could damage the seats and the rear bench
seat.
! Make sure that the sun visor is folded up
before setting the backrest angle and head
restraint height. Otherwise, the head
restraint and sun visor could collide when
the head restraint is fully extended.
i The rear-compartment head restraints
can be removed (Y page 69).
Please contact a Mercedes-Benz Service
Centre for more information. Adjusting the seat electrically i
If PRE-SAFE ®
is triggered in vehicles with
the memory function*, the front-passenger
seat will be moved to a better position if it
was previously in an unfavourable position.
Seat fore-and-aft adjustment X
Slide the button forwards or back in the
direction of arrow =.
Backrest angle X
Slide the button forwards or back in the
direction of arrow ;.
Seat height X
Slide the button up or down in the direction
of arrow A.
Seat cushion angle Adjust the angle so that your thighs are gently
supported.
X
Slide the button up or down in the direction
of arrow ?.
Head restraint height G
Risk of injury
Make sure that the central area of the head
restraint supports the back of your head at
about eye level. You could seriously injure
your neck if your head is not correctly sup-
ported by the head restraint in the event of an
accident. Never travel without a correctly
adjusted and engaged head restraint.
Vehicles with memory function*
X Slide the button up or down in the direction
of arrow :. Seats
65Controls
* optional
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Vehicles without memory function
X
To raise: pull the head restraint up to the
desired position.
X To lower: press release catch :in the
direction of the arrow and push the head
restraint down to the desired position.
Head restraint angle X
Push or pull the lower edge of the head
restraint in the direction of the arrow.
Luxury head restraint* G
Risk of injury
When folding back the head restraint side bol-
sters, do not put your hands between the side
bolster and the cushion holder. There is a
danger of becoming trapped. X
To adjust the head restraint side bol-
sters: push or pull right and/or left-hand
side bolster :into the desired position.
X To move the head restraint back and
forth: push or pull the head restraint in the
direction of arrow ;. Four-way lumbar support*
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back. :
To raise the backrest contour
; To soften the backrest contour
= To lower the backrest contour
? To harden the backrest contour
i When the door is unlocked, opened or the
key is in position 1in the ignition lock, the
setting of the lumbar support is automati-
cally checked and, if necessary, the indi-
vidual setting is restored. 66
SeatsControls
* optional
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Multicontour seat*
You can set the contour of the seat to provide
optimum support for your back. X
Make sure that the key is in position 1in
the ignition lock.
X Use switch ?to move the thigh cushion
into the desired position.
X Press the WorX button to adjust the
contour of the backrest to suit your back.
X Press button =to move the point of great-
est backrest curvature downwards to the
lumbar region and press button ;to move
it upwards to the upper back region.
X Adjust the side cushions of the backrest
using button :so that you have good lat-
eral support. Adjusting seats in the 2nd and 3rd*
rows
Adjusting the backrest angle (second
row of seats) The backrest angle can be adjusted to five
different positions. X
Pull backrest release ;in the direction of
the arrow.
Backrest :folds forwards.
X Adjust the backrest angle as desired.
Folding the seats down/up (third row
of seats*) The third row of seats* consists of two elec-
trically foldable individual seats, which can be
lowered into the luggage compartment.
If the seat is not correctly locked in position,
you will see the following message, for exam-
ple, in the instrument cluster display:
3rd
row of seats, right-hand side not
locked.
! Make sure that there is nothing on the
folded-down seats in the luggage compart-
ment. The luggage compartment must be
empty for the third row of seats to be folded
up. The seats or the objects in the luggage
compartment could, otherwise, be dam-
aged.
Make sure that the seats in the third row
are empty and not blocked before folding
them down. Seats
67Controls
* optional
X164_AKB; 2; 3, en-GB
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