buttons MERCEDES-BENZ GL550 2008 X164 Owner's Manual

25 At a glance
Cockpit
ItemPage
1Cruise control lever256
2Instrument cluster26
3Multifunction steering
wheel30
4Horn
5Steering wheel gearshift
buttons198
6Gear selector lever for
automatic transmission56
7Front Parktronic* warning
indicators290
8Overhead control panel34
9Glove box release
Glove box lock315
316
ItemPage
aGlove box315
CD changer315
AUX-socket315
bPower outlet324
cCenter console31
dStarter switch42
eSteering wheel adjustment,
manual49
fHood lock release378
gParking brake release59
hParking brake pedal67
jPower tailgate switch*124
ItemPage
kDoor control panel35
lExterior lamp switch61
143
mSteering wheel adjustment,
electrical*
Heated steering wheel*50
327
nCombination switch

High beam

Turn signals

Windshield wipers

Rear window wiper
147
61
62
62
64
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35 At a glance
Door control panel
Door control panel
ItemPage
1Inside door handle120
2Central unlocking switch
Central locking switch129
129
3Exterior rear view mirror
adjustment51
4Selection buttons for exteri-
or rear view mirror adjust-
ment
Power-folding exterior rear
view mirrors*51
209
5Switches for opening/clos-
ing front and rear door
windows246
6Rear door window override
switch98
7Hinged quarter window
switch*248
8Remote tailgate release
switch, power tailgate*124
123
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41 Getting started
Unlocking
Unlocking with KEYLESS-GO*
With the KEYLESS-GO function, you can
lock or unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without in-
serting the SmartKey into the starter
switch.Grasp an outside door handle.
All turn signal lamps flash once. The ve-
hicle unlocks. The locking knobs in the
doors move up. The anti-theft alarm
system is disarmed. The locator light-
ing comes on if the feature is enabled
in the control system (
page 176).
Enter the vehicle.
For more information, see “SmartKey with
KEYLESS-GO*” (
page 115).
Starter switch positions
iTo unlock the vehicle, the SmartKey with
KEYLESS-GO must be outside the vehicle, no
further than approximately 3 feet (1 meter) away
from the respective door.
Warning!G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* with you, and
lock the vehicle. Do not leave children
unattended in the vehicle, or with access to
an unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an
accident and/or serious personal injury.
i If the vehicle has been parked for more than
72 hours, you must pull an outside door handle
in order to activate the KEYLESS-GO function.
Warning!G
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised
access to a vehicle could result in an
accident and/or serious personal injury.
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49 Getting started
Adjusting
With the easy-entry/exit feature activated,
the steering wheel will return to its last set
position when you

close the driver’s door with the ignition
switched on
or

insert the SmartKey into the starter
switch or press the KEYLESS-GO*
start/stop button (
page 43) once
with the driver’s door closedWith the easy-entry/exit feature activated,
the steering wheel tilts upwards when you

remove the SmartKey from the starter
switch
or

open the driver’s door with the
SmartKey in starter switch position0
or1 (
page 41) or the KEYLESS-GO*
start/stop button in position1
(
page 43)Steering wheel adjustment, manual

Press one of the stored position
buttons* or memory buttonM*
(
page 141).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
iThe last set steering wheel position is stored
when

the ignition is switched off (page 41)

the position is stored in memory
(
page 141)
iIf the current position for the steering wheel
is in the uppermost tilt position, the steering
wheel will no longer be able to move upward
when the easy-entry/exit feature is activated.
The adjustment procedure is briefly interrupted,
when the engine is started.
Warning!G
Let the system complete the adjustment
procedure before setting the vehicle in mo-
tion. All steering wheel adjustment must be
completed before setting the vehicle in mo-
tion. Driving off with the steering wheel still
adjusting could cause the driver to lose con-
trol of the vehicle.
Warning!G
Only adjust the steering wheel with the vehi-
cle at a standstill and make sure the steer-
ing wheel is securely locked in place before
driving off.

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52 Getting started
Adjusting
The buttons are located on the driver’s
door.
1Driver’s side exterior rear view mirror
button
2Adjustment button
3Passenger-side exterior rear view mir-
ror button
Switch on the ignition (page 42).
Press button1 for the driver’s side ex-
terior rear view mirror or button3 for
the passenger-side exterior rear view
mirror.
The indicator lamp on the respective
button comes on for
approximately 15 seconds.
Push adjustment button2 up, down,
left, or right according to the desired
setting.
For more information, see “Rear view mir-
rors” (
page 208).
iIf you do not make adjustments to the
selected exterior rear view mirror within
15 seconds, the indicator lamp goes out. You will
then have to select the desired exterior rear view
mirror again before any adjustments can be
made. Adjustments can only be made with the
indicator lamp for the respective exterior rear
view mirror button illuminated.
!If an exterior rear view mirror was forcibly
pushed forward (hit from the rear) or forcibly
pushed rearward (hit from the front), reposition
it by applying firm pressure until it snaps into
place. The mirror housing is then properly posi-
tioned and you can adjust the mirror in the usual
manner.
!Vehicle with power folding exterior rear view
mirrors*:
If an exterior rear view mirror housing is forcibly
pushed forward (hit from the rear) or forcibly
pushed rearward (hit from the front), press fold
button1 (
page 210) to fold mirrors in, then
press fold button1 (
page 210) again to fold
mirrors out. Do not force mirrors by hand as this
may damage the adjustment mechanism.
The mirror housing is then properly positioned
and you can adjust the mirror in the usual man-
ner.
iThe memory function* (page 141) lets
you store the settings for the exterior rear view
mirrors together with the setting for the steering
wheel and the seat positions.
iAt low ambient temperatures, the exterior
rear view mirrors will be heated automatically.
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114 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds of un-
locking if

neither door nor tailgate is opened

the SmartKey is not inserted in the
starter switch

the central locking switch is not
activatedGlobal locking
Press button‹.
With the tailgate and all doors closed,
the turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that
pressing buttonΠonly unlocks the
driver’s door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds
until battery check lamp5
(
page 112) flashes twice.
The SmartKey will then function as
follows:Unlocking driver’s door and fuel filler
flap
Press buttonΠonce.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is
disarmed.
Global unlocking
Press buttonΠtwice.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is
disarmed.
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115 Controls in detail
Locking and unlocking
Global locking
Press button‹.
With the tailgate and all doors closed,
the turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds
until battery check lamp5
(
page 112) flashes twice.
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote control and a removable
mechanical key.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked when you grasp an outside door
handle.
If the SmartKey with KEYLESS-GO is valid,
your vehicle unlocks

the doors

the tailgate

the fuel filler flap
SmartKey with KEYLESS-GO*
1‹ Lock button
2Š Unlock button* for tailgate
3Locking tab for mechanical key
4ΠUnlock button
5Battery check lamp
6Â Panic button (
page 100)
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119 Controls in detail
Locking and unlocking
Global locking
Press the lock button on an outside
door handle (
page 71).
With the tailgate and all doors closed,
the turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey with
KEYLESS-GO so when you grasp the
driver’s door handle only the driver’s door
and the fuel filler flap unlocks.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds
until battery check lamp5
(
page 115) flashes twice.
The SmartKey with KEYLESS-GO will
then function as follows:Unlocking driver’s door and fuel filler
flap
Grasp the driver’s outside door handle.
All turn signal lamps flash once. The
locking knob in the driver’s door moves
up. The anti-theft alarm system is dis-
armed.
Global unlocking
Grasp any outside door handle other
than the driver’s outside door handle.
All turn signal lamps flash once. The
locking knobs in the doors move up.
The anti-theft alarm system is dis-
armed.Global locking
Press the lock button on an outside
door handle (
page 71).
All turn signal lamps flash three times.
The locking knobs in the doors move
down. The anti-theft alarm system is
armed.
Restoring to factory setting
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds
until battery check lamp5
(
page 115) flashes twice.
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124 Controls in detail
Locking and unlocking
Opening the tailgate from the outside
You can unlock and open the tailgate
simultaneously from the outside when the
vehicle is at a standstill.
Press and hold buttonŠ on the
SmartKey or SmartKey with
KEYLESS-GO* until the tailgate unlocks
and opens.
While the tailgate is opening, an
acoustic signal sounds.
or
Vehicles with KEYLESS-GO*:
Pull on the handle (
page 122).
The tailgate is unlocked and opens.
While the tailgate is opening, an acous-
tic signal sounds.Opening the tailgate from the inside
You can unlock and open the tailgate si-
multaneously from the driver’s seat when
the vehicle is at a standstill.The switch is located in the driver’s door.
1Remote tailgate switch
Pull remote tailgate switch1 until
tailgate begins to open.
The tailgate opens. While the tailgate is
opening, an acoustic signal sounds.
Warning!G
Maintain sight of the area around the rear of
the vehicle while operating the tailgate with
the door-mounted remote tailgate switch or
with the Šbutton on the SmartKey or
SmartKey with KEYLESS-GO*. Monitor the
opening procedure carefully to make sure
no one is in danger of being injured.
To interrupt the opening procedure, press or
pull the door-mounted remote tailgate
switch or press the Šbutton on the
SmartKey or SmartKey with KEYLESS-GO*.
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141 Controls in detail
Memory function*
Memory function*
Prior to operating the vehicle, the driver
should check and adjust the seat height,
seat position fore and aft, and seat back-
rest angle if necessary, to ensure adequate
control, reach and comfort. The head
restraint should also be adjusted for
proper height. See also the section on
air bags (
page 76) for proper seat posi-
tioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, operation
and comfort. Both the interior and exterior
rear view mirrors should be adjusted for
adequate rear vision.
Fasten seat belts. Infants and small chil-
dren should be seated in a properly se-
cured restraint system that complies with
U.S. Federal Motor Vehicle Safety Stan-
dards 213 and 225 and Canadian Motor
Vehicle Safety Standards 213 and 210.2.With the memory function you can store up
to three different configurations.
Each stored position on the driver’s side
includes the following settings:

Seat position

Multicontour seat*: previously saved
setting

Steering wheel position

Exterior rear view mirrors’ position
Each stored position on the passenger side
includes the following settings:

Seat position

Multicontour seat*: previously saved
settingThe memory button and stored position
buttons are located on the entry side of
each front seat base.
MMemory button
1, 2, 3Stored position buttons
Warning!G
Do not activate the memory function while
driving. Activating the memory function
while driving could cause the driver to lose
control of the vehicle.
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