key MERCEDES-BENZ GL SUV 2009 User Guide
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Page 56 of 309
G
Risk of accident
If EBV is malfunctioning, the brake system is
still available with full brake boosting effect.
However, the rear wheels can still lock, e.g.
under full braking. This could cause you to
lose control of your vehicle and cause an acci-
dent. You should therefore adapt your driving
style to the different handling characteristics. 4ETS (Electronic Traction System)
4ETS makes it possible to pull away or accel-
erate on a slippery surface. It brakes the
wheels individually if they start to spin.
The d warning lamp in the instrument
cluster lights up briefly when the engine is
started. This indicates that the warning lamp
is operational.
X Activate the LOW RANGE off-road gear
(Y page 114) if appropriate to driving con-
ditions.
The d warning lamp in the instrument
cluster flashes at any speed if at least one tyre
has exceeded its tyre grip limit. G
Risk of accident
If the d warning lamp in the instrument
cluster flashes, proceed as follows:
R only depress the accelerator pedal as far as
necessary when pulling away.
R accelerate less when driving.
R adapt your driving style to suit the prevail-
ing road and weather conditions.
Otherwise, the vehicle could skid.
If you drive too fast, 4ETS cannot reduce the
risk of an accident. 4ETS cannot override the
laws of physics.
! Only operate the vehicle briefly (for a max-
imum of ten seconds) on a brake dyna-
mometer. Turn the key in the ignition lock
to position 0or 1. You could otherwise
damage the drive train or the brake system. !
A function or performance test should
only be carried out on a twin-axle dyna-
mometer. If you wish to operate the vehicle
on such a dynamometer, please consult a
Mercedes-Benz Service Centre in advance.
You could otherwise damage the drive train
or the brake system.
i If the brakes are subjected to heavy loads,
4ETS switches off automatically for a brief
period so that the brakes do not heat up
further. If, for this reason, 4ETS does not
engage, the dwarning lamp in the
instrument cluster lights up. The message
ABS, ESP unavailable see Owner's
Manual also appears in the multi-function
display.
! The engine must be off when the parking
brake is being checked on the brake dyna-
mometer. Application of the brakes via
4ETS may otherwise destroy the braking
system.
Off-road terrain-4ETS (Electronic Trac-
tion System) A 4ETS system specifically suited to off-road
terrain is activated automatically if the LOW
RANGE* off-road gear is selected
(Y page 114). Distance warning function* (vehicles
with Distronic*)
This function will issue a warning at speeds of
around 30 km/h or more if:
R for a period of several seconds, the dis-
tance to the vehicle in front is too short for
the speed at which you are travelling. The
· distance warning lamp in the instru-
ment cluster will light up.
R you are approaching the vehicle in front too
rapidly. An intermittent warning tone will
then sound and the ·distance warning
lamp will light up in the instrument cluster. Driving safety systems
53Safety
* optional
X164_AKB; 2; 3, en-GB
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Page 57 of 309
In order to maintain the appropriate distance
to the vehicle in front and thus prevent a
crash, you must apply the brakes yourself. G
Risk of accident
Pay particular attention to the traffic condi-
tions if the distance warning lamp ·in the
instrument cluster lights up or an intermittent
warning tone sounds.
If necessary, brake or manoeuvre to avoid an
obstacle.
X To activate/deactivate: activate or deac-
tivate the distance warning function in the
on-board computer (Y page 109).
After activation, the Äsymbol is dis-
played in the lower multi-function display.
For more information on the distance warning
function, see the Distronic section*
(Y page 119). Anti-theft systems
Immobiliser
The immobiliser prevents your vehicle from
being started without the correct key.
Activating the immobiliser X
With the key: remove the key from the
ignition lock.
X With KEYLESS GO*: press the start/stop
button on the dashboard.
The engine switches off.
Deactivating the immobiliser X
With the key: turn the key to position 2in
the ignition lock.
X With KEYLESS GO*: press the start/stop
button on the dashboard twice without
depressing the brake.
i The immobiliser is always deactivated
when you start the engine. ATA* (anti-theft alarm system)
A visual and audible alarm is triggered when
the alarm system is primed and you open:
R a door
R a door using the emergency key element
R the tailgate
R the bonnet
The alarm is not switched off even if you close
an open door again. X
To prime: lock the vehicle using the key.
On vehicles with KEYLESS GO*, the locking
button on the door handle can also be used.
Indicator lamp :flashes. The alarm sys-
tem is primed after approximately 10 sec-
onds.
X To deactivate: unlock the vehicle using the
key. On vehicles with KEYLESS GO*, you
can also unlock the vehicle by grasping the
door handle.
Deactivating the alarm X
With the key: insert the key into the igni-
tion lock.
The alarm is deactivated.
or
X Press the %or& button on the key.
The alarm is deactivated. 54
Anti-theft systemsSafety
* optional
X164_AKB; 2; 3, en-GB
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Page 58 of 309
X
With KEYLESS GO*: grasp the door han-
dle. The key must be outside the vehicle.
The alarm is deactivated.
or
X Press the Start/Stop button on the dash-
board. The key must be inside the vehicle.
The alarm is deactivated. Tow-away protection*
An audible and visual alarm is triggered if the
vehicle's angle of inclination is altered while
tow-away protection is primed. For example,
this occurs if the vehicle is jacked up on one
side.
Priming tow-away protection X
Make sure that all the doors and the tail-
gate are closed.
X Lock the vehicle with the key or, on vehicles
with KEYLESS GO*, with the locking button
on the door handle.
Tow-away protection is primed after
approximately 30 seconds.
Deactivating tow-away protection When you unlock your vehicle using the key
or KEYLESS GO*, tow-away protection is
automatically deactivated.
Deactivate tow-away protection manually to
prevent a false alarm if your vehicle:
R is being transported
R is being loaded, e.g. onto a ferry or car
transporter
R is parked on a movable surface, e.g. split-
level garages
It is possible to switch off tow-away protec-
tion on the on-board computer for the next
time the vehicle is locked (Y page 109). Tow-
away protection remains deactivated until
you unlock and lock the vehicle again.
If you select Tow-away protection in the
"Display with ignition switched off" function contained in the
Vehiclesubmenu,
(Y page 107) the following message appears
in the multi-function display after switching
off the ignition: X
Press X.
The Tow-away protection off message
appears in the multi-function display.
i If you press W, tow-away protection
will remain primed.
X Lock the vehicle with the key or, on vehicles
with KEYLESS GO*, also using the locking
button on the door handle.
Tow-away protection remains deactivated
until:
R the vehicle is unlocked again.
R a door is opened and closed again.
R the vehicle is locked again. Interior motion sensor*
If the interior motion sensor is primed, a vis-
ual and audible alarm is triggered when move-
ment is detected in the vehicle interior while
the vehicle is locked. This occurs, for exam-
ple, if someone breaks the side windows of
your vehicle or reaches into the vehicle's inte-
rior.
Priming the interior motion sensor X
Make sure that:
R
the side windows are closed
R the hinged side windows* are closed Anti-theft systems
55Safety
* optional
X164_AKB; 2; 3, en-GB
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Page 59 of 309
R
the sliding/tilting sunroof* is closed.
R there are no objects, e.g. mascots, hang-
ing on the rear-view mirror or on the grab
handles on the roof trim.
This will prevent false alarms.
X Make sure that all the doors and the tail-
gate are closed.
X Lock the vehicle with the key or, on vehicles
with KEYLESS GO*, also using the locking
button on the door handle.
The interior motion sensor is primed after
approximately 40 seconds.
Deactivating the interior motion sensor When you unlock your vehicle using the key
or KEYLESS GO *,the interior motion sensor
is automatically deactivated.
To prevent a false alarm, deactivate the inte-
rior motion sensor if you lock your vehicle
and:
R people or animals remain in the vehicle.
R a side window remains open.
R a hinged side window* remains open.
R the sliding/tilting sunroof* remains open.
It is possible to deactivate the interior motion
sensor using the on-board computer for the
next time the vehicle is locked
(Y page 109). The interior motion sensor
remains deactivated until you unlock and lock
the vehicle again.
If you select Vehiclein the "Display with
ignition switched off" function in the Inte‐
rior motion sensor submenu,
(Y page 107) the following message appears
in the multi-function display after switching
off the ignition: X
Press X.
The Interior motion sensor off mes-
sage appears in the multi-function display.
i If you press W, the interior motion sen-
sor will remain activated.
X Lock the vehicle with the key or, on vehicles
with KEYLESS GO*, also using the locking
button on the door handle.
The interior motion sensor remains deacti-
vated until:
R
the vehicle is unlocked again.
R a door is opened and closed again.
R the vehicle is locked again. 56
Anti-theft systemsSafety
* optional
X164_AKB; 2; 3, en-GB
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Page 60 of 309
Opening and closing
...........................58
Tailgate ................................................ 60
Key positions ....................................... 63
Seats .................................................... 64
Steering wheel .................................... 70
Mirrors ................................................. 72
Memory functions* .............................74
Seat belts ............................................. 75
Lights ................................................... 78
Windscreen wipers .............................84
Side windows ...................................... 85
Driving and parking ............................88
Transmission ....................................... 91
Instrument cluster ..............................96
On-board computer .............................97
Off-road driving ................................. 112
Driving systems ................................ 117
Air conditioning ................................. 136
Sliding sunroof .................................. 149
Loading and stowing ........................151
Features ............................................. 161 57Controls
X164_AKB; 2; 3, en-GB
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Page 61 of 309
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
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Page 62 of 309
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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Page 63 of 309
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
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Page 64 of 309
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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Page 65 of 309
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
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