key MERCEDES-BENZ GL SUV 2009 Manual PDF

G
Risk of accident
The tyre pressure loss warning system can
only give reliable warnings if you have set the
correct tyre pressure.
If an incorrect tyre pressure is set, these
incorrect values will be monitored.
A tyre with insufficient pressure results in
vehicle instability when driving, thus increas-
ing the risk of an accident.
X Make sure that the key is in position
2 (Y page 63) in the ignition lock.
In the multi-function display you will see the
standard display (Y page 98).
X Press *or& to select the Tyre
pressure function.
The
Run Flat Indicator active
Menu: R-Button message is displayed.
X Press the reset button (Y page 25) on the
instrument cluster.
The multi-function display shows the mes-
sage:
Restart Run Flat Indicator?
Yes Cancel
If you wish to confirm the restart:
X Press the Wbutton.
The multi-function display shows the mes-
sage:
Run Flat Indicator restarted
After a teach-in period, the tyre pressure
loss warning system will monitor the set
tyre pressures of all four tyres.
If you wish to cancel the restart:
X Press the Xbutton.
or
X Wait until the Restart Run Flat Indi‐
cator? Yes Cancel message disappears.
The tyre pressure values stored at the last
restart will continue to be monitored. Tyre pressure monitor*
If a tyre pressure monitor system is fitted, the
vehicle's wheels have sensors fitted that
monitor the tyre pressures in all four tyres.
The tyre pressure monitor warns you when
the pressure drops in one or more of the
tyres. The tyre pressure monitor only func-
tions if the correct wheel electronics units are
fitted to all wheels. G
Risk of accident
The tyre pressure monitor does not warn you
of an incorrectly set tyre pressure. The table
on the inside of the fuel filler flap will help you
decide whether the tyre pressures should be
corrected.
The tyre pressure monitor is not able to warn
you of a sudden loss of pressure, e.g. if the
tyre is penetrated by a foreign object. In the
event of a sudden loss of pressure, bring the
vehicle to a halt by braking carefully. Do not
make any sudden steering movements when
doing so.
i The operation of the tyre pressure moni-
tor can be affected by interference from
radio transmitting equipment (e.g. radio
headphones, two-way radios) that may be
being operated in or near the vehicle.
Checking tyre pressure electronically X
Make sure that the key is in posi-
tion 2(Y page 63) in the ignition lock.
X Press the &or* button to select the
Tyre pressure function.
The current tyre pressure for each wheel will
be displayed in the multi-function display.
If the vehicle has been parked for longer than
20 minutes or if you have not driven faster
than 25 km/h since starting the vehicle, the
following message appears:
i The tyre pressure values indicated by the
on-board computer may differ from those
measured at a filling station with a pressure
gauge. The tyre pressures shown by the on- Tyres and wheels
183Operation
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board computer refer to those measured at
sea level. At high altitudes, the tyre pres-
sure values indicated by a pressure gauge
are higher than those shown by the on-
board computer. In this case, do not reduce
the tyre pressures.
i After a teach-in period, the tyre pressure
monitor automatically recognises new
wheels or new sensors. As long as a clear
allocation of the tyre pressure values to the
individual wheels is not possible, the dis-
play message Tyre pressure monitor
active is shown instead of the tyre pres-
sure display. The tyre pressures are already
being monitored.
Restarting the tyre pressure monitor When you restart the tyre pressure monitor,
all existing warning messages are deleted and
the warning lamps go out. The monitor uses
the currently set tyre pressures as the speci-
fied values for monitoring.
In most cases, the tyre pressure monitor will
automatically detect the new reference val-
ues, e.g. if you have:
R changed the tyre pressure
R changed the wheels or tyres
R fitted new wheels or tyres
i You will find the menu overview on
(Y page 99).
If you wish to define the new reference values
manually:
X Use the table on the inside of the fuel filler
flap to ensure that the tyre pressure is set
correctly in all four tyres for the current
operating conditions.
Also observe the notes in the section on
tyre pressures (Y page 180).
X Make sure that the key is in position 2in
the ignition lock.
X Press the &or* button to select the
Tyre pressure function or wait until the
following message appears: X
Press the reset button on the instrument
cluster (Y page 25).
The multi-function display shows the mes-
sage:
Restart tyre pressure monitor?
Yes Cancel
X Press the Wbutton.
The multi-function display shows the mes-
sage:
Tyre pressure monitor restarted
The tyre pressure monitor has stored the
pressure of the tyres as a new reference
value.
Cancelling the restart X
Press the Xbutton.
Other messages in the multi-function
display If in multi-function display the following mes-
sage appears:
Please correct tyre pressures
X
Check the tyre pressure on all four wheels
and correct it if necessary.
i If the wheel positions on the vehicle are
interchanged, the tyre pressures may be
displayed for the wrong positions for a
short time. This is rectified after a few
minutes of driving, and the tyre pressures
are displayed for the correct positions. Interchanging the wheels
G
Risk of accident
Interchange the front and rear wheels only if
they have the same dimensions: for example
size, offset, etc.
After a wheel is changed, have the tightening
torque checked at a specialist workshop that
has the necessary specialist knowledge and
tools to carry out the work required.
Mercedes-Benz recommends that you use a 184
Tyres and wheelsOperation
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X
Pull telescopic lever :out forwards.
X Pull telescopic lever :upwards.
The ball coupling disengages and folds out
from under the rear bumper.
Indicator lamp ;flashes. The trailer power
socket folds away automatically.
X Guide telescopic lever :back again. X
Press the ball coupling in the direction of
the arrow by hand until it engages in a ver-
tical position.
Indicator lamp ;goes out.
The Trailer tow hitch
Check locking mech. message is shown
in the multi-function display until the ball
coupling is engaged.
X Remove the protective cap from the ball
coupling. Installing the ball coupling (vehicles
with exterior spare wheel*)
Before you can tow a trailer with your vehicle,
you must fit the ball coupling.
There is a key for the ball coupling.
X Make a note of the key number.
You can use this number to obtain a
replacement key from a Mercedes-Benz
Service Centre. G
Risk of injury
If the ball coupling does not engage correctly
when it is mounted, the vehicle/trailer com-
bination is not secured and the trailer could come loose. This could cause an accident. Fit
the ball coupling carefully and make sure that
it engages in position correctly.
The detachable ball coupling is located in the
stowage well under the luggage compartment
floor.
X Take the ball coupling and the key from the
stowage well under the luggage compart-
ment floor (Y page 209). X
Pull protective cap :underneath the
bumper vertically downwards in the direc-
tion of the arrow and out of the ball coupling
recess.
X Place protective cap :in the stowage well
under the luggage compartment floor. X
Pull protective cap ;off the lock in the
handwheel.
X Insert key :into the lock in the hand-
wheel.
X Turn key :anti-clockwise. 194
Trailer towing*Operation
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i
The key remains inserted when you
remove the ball coupling. X
Pull handwheel ?away from the ball cou-
pling in the direction of the arrow and turn
it clockwise until it engages.
The white dot on the ball coupling is aligned
with the red area on the handwheel.
X Insert the ball coupling vertically up into
ball coupling recess =in the direction of
the arrow until it engages. X
Handwheel ?turns automatically, aligning
green area Aon handwheel ?with white
dot Bon the ball coupling.
X Turn key :to the stop in the direction of
the arrow (lock).
X Remove key :.
X Press protective cap ;onto the lock. G
Risk of accident
The ball coupling is only securely mounted
when the green area on the handwheel is
aligned with the white dot on the ball coupling and the key can be removed. If the ball cou-
pling is not securely mounted, it may come
loose.
The ball coupling must be locked and the key
must be removed when towing a trailer. This
is the only way to guarantee that the ball cou-
pling is secured and cannot come loose while
the vehicle is in motion. If the ball coupling
cannot be locked and the key cannot be
removed, remove the ball coupling and clean
it.
If the ball coupling can still not be fitted
(locked) after it has been cleaned, remove the
ball coupling. The trailer tow hitch must then
not be used to tow a trailer, as safe operation
is not guaranteed.
Have the entire trailer coupling checked at a
qualified specialist workshop. Mercedes-
Benz recommends that you use a Mercedes-
Benz Service Centre for this purpose. In par-
ticular, work relevant to safety or on safety-
related systems must be carried out at a quali-
fied specialist workshop. :
Socket Coupling up and uncoupling a trailer
Coupling up a trailer G
Risk of injury
Never lock, unlock, open or close a vehicle
door or tailgate when coupling up or decou-
pling a trailer. The vehicle level could change
and you could endanger yourself or others. Trailer towing*
195Operation
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climbing capability, decrease with increas-
ing altitude.
If the trailer swings from side to side:
X Do not accelerate.
X Do not counter-steer.
X Brake if necessary. G
Risk of accident
On no account should you attempt to draw the
vehicle/trailer combination out by increasing
speed. Folding in the ball coupling
i Fold the ball coupling back in if you are
not using the trailer tow hitch. X
Place the protective cap on the ball cou-
pling. G
Risk of injury
Make sure that no persons or animals are in
the pivoting range of the ball coupling. Other-
wise, they could be injured.
X Pull telescopic lever :out forwards.
X Pull telescopic lever :upwards.
The ball coupling disengages and folds out
from under the rear bumper. Indicator
lamp ;flashes.
X Guide telescopic lever :back again. X
Press the ball coupling in the direction of
the arrow until it engages behind the
bumper.
Indicator lamp ;goes out and the mes-
sage in the multi-function display disap-
pears. Removing the ball coupling (vehicles
with exterior spare wheel*)
X Pull the protective cap off the lock in the
handwheel.
X Use the key to unlock the lock in the hand-
wheel.
X Hold the ball coupling. Pull the handwheel
away from the ball coupling and turn it
clockwise until it engages.
The red area on the handwheel is aligned
with the white dot on the ball coupling.
X Pull out the ball coupling downwards.
X Clean the ball coupling if it is dirty.
X Press the protective cap into the ball cou-
pling recess until it engages.
X Make sure that the protective cap is firmly
in place.
Storing the ball coupling X
Place the ball coupling with the key inser-
ted in the ball coupling stowage compart-
ment in the stowage well under the luggage
compartment floor. 198
Trailer towing*Operation
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G
Risk of accident
Do not carry the ball coupling in the vehicle
interior if it is not secured.
Otherwise, you and others could be injured by
the ball coupling being thrown around if you:
R brake sharply
R change direction suddenly
R are involved in an accident
Information on cleaning and care of the trailer
coupling can be found at (Y page 203).Trailer power supply
When it leaves the factory, your vehicle's
trailer socket outlet is equipped with a per-
manent power supply and a power supply that
is switched on via the ignition lock.
The permanent power supply is supplied via
trailer socket pin 9.
The power supply that is switched on via the
ignition lock is supplied via trailer socket
pin 10.
! You can connect consumers with a power
rating of up to 240 W to the permanent
power supply and up to 180 W to the power
supply that is switched on via the ignition
lock.
You must not charge a trailer battery using
the power supply.
The trailer's turn signal lamps are only guar-
anteed to function when bulbs are used.
You can obtain further information about
installing the trailer electrics from a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre.
X To switch the connected power supply
on or off: turn the key in the ignition lock
to position 2or 0, respectively. Trailer with 7-pin connector
If your trailer has a 7-pin connector, you can
connect it to the 13-pin socket on the ball
coupling using an adapter or, if necessary, an
adapter cable. Both of these can be obtained
at a qualified specialist workshop, e.g. at a
Mercedes-Benz Service Centre.
Fitting the adapter X
Open the socket cover.
X Insert connector with lug :into
groove ;on the socket and turn the con-
nector clockwise to the stop.
X Make the cover engage.
X If you are using an adapter cable, secure
the cable to the trailer with cable ties.
! Make sure that there is sufficient cable
play so that the cable cannot become
detached when cornering. Service
ASSYST PLUS service interval display
The ASSYST PLUS service interval display
informs you of the next service due date.
The service due date is shown in the multi-
function display, for example:
Service A in .. days
Service A in .. km
Service A due now
The letter indicates how much time the work-
shop will require to carry out the service work. Service
199Operation
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Care
Care and cleaning products
Regular care of your vehicle is a condition for
retaining the quality in the long term.
Use only care products and cleaning agents
recommended and approved by Mercedes-
Benz.
! For cleaning your vehicle, do not use any
of the following:
R dry, rough or hard cloths
R abrasive cleaning agents
R solvents
R cleaning agents containing solvents
and do not scrub.
Do not touch the surfaces and protective
films with hard objects, e.g. rings or ice
scrapers. You could otherwise scratch or
damage the surfaces and protective film. H
Environmental note
Dispose of empty packaging, cleaning cloths
and polishing wads in an environmentally
responsible manner.
! Do not park the vehicle for a long period
of time directly after cleaning, especially if
the wheels have just been cleaned with a
wheel cleaner. Wheel cleaners could cause
rapid corrosion of the brake discs and
brake pads/linings. After cleaning, park
the vehicle when it is at normal operating
temperature. Exterior care
Automatic car wash G
Risk of accident
The efficiency of the brakes is reduced after
using an automatic car wash. This could cause
an accident. For this reason, following a car
wash, drive with particular care until the
brakes are dry. You can wash the vehicle in an automatic car
wash from the beginning.
!
Do not wash vehicles with an exterior
spare wheel bracket* in an automatic car
wash.
If the vehicle is very dirty, pre-wash it before
cleaning it in an automatic car wash.
! Make sure that the automatic car wash is
suitable for the size of the vehicle. Fold in
the exterior mirrors before the vehicle is
washed. There is otherwise a risk of dam-
age to the exterior mirrors.
! When washing your vehicle in a tow-
through car wash, make sure that the auto-
matic transmission is in position N, other-
wise the vehicle could be damaged.
R Vehicles with a key:
Do not remove the key from the ignition
lock. Do not open the driver's or front-
passenger door when the engine is
switched off, as this automatically shifts
the automatic transmission to park posi-
tion Pand locks the wheels, unless you
have previously shifted the automatic
transmission to N.
R Vehicles with KEYLESS GO*:
Do not open the driver's or front-
passenger door when the engine is
switched off, as this shifts the automatic
transmission to park position Pand locks
the wheels.
! Make sure that the side windows are com-
pletely closed, that the ventilation/heater
blower is fully turned off and that the wind-
screen wiper switch is set to 0. Otherwise,
the rain/light sensor may be activated, trig-
gering unintended wiper movements. This
could cause damage to the vehicle.
After using an automatic car wash, wipe off
wax and drying agents from the windscreen
and the wiper blades. This will prevent smears
and reduce wiping noises caused by residue
on the windscreen. Care
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High-pressure cleaners
G
Risk of accident
Do not use high-pressure cleaners with circu-
lar-jet nozzles (dirt grinders) to clean your
vehicle, in particular the tyres. You could oth-
erwise damage the tyres and cause an acci-
dent.
! Observe the instructions issued by the
equipment manufacturer concerning the
distance to be maintained between the
nozzle of the high-pressure cleaner and the
vehicle (at least 30 cm).
Move the high-pressure cleaner nozzle
around when cleaning your vehicle.
Do not aim directly at any of the following:
R tyres
R door joint
R electrical components
R battery
R connectors
R lights
R seals
R trim elements
R ventilation slots
Damaged seals or electrical components
can lead to failures or leaks.
Cleaning the paintwork Scratches, corrosive deposits, areas affected
by corrosion and damage caused by inade-
quate care cannot always be completely
repaired. In such cases, visit a qualified spe-
cialist workshop immediately, e.g. a
Mercedes-Benz Service Centre.
X Remove the following types of dirt immedi-
ately, whilst avoiding rubbing too hard.
Soak:
R insect remains with insect remover
R bird droppings with water and rinse off the treated surface after-
wards.
Remove:
R
tree resin, oils, fuels and greases by rub-
bing gently with a cloth soaked in petro-
leum ether or lighter fluid.
R tar stain with tar remover
R wax with silicone remover
! Do not affix:
R stickers
R films
R magnetic plates or similar items
to painted surfaces. Otherwise, you could
damage the paintwork.
Cleaning the wheels !
Do not use acidic wheel cleaners to
remove brake dust. This could damage
wheel bolts and brake components.
Cleaning the windows X
Clean the inside and outside of the win-
dows with a damp cloth and a cleaning
product approved and recommended by
Mercedes-Benz.
! Clean the water drainage channels of the
windscreen and the rear window at regular
intervals. Under certain circumstances,
deposits such as leaves, petals and pollen
may prevent water from draining away
leading to corrosion damage.
Cleaning the wiper blades G
Risk of injury
Before cleaning the windscreen or wiper
blades, turn the key to position 0in the igni-
tion lock or press the Start/Stop button* until
all indicator lamps have gone out in the instru-
ment cluster. The windscreen wipers could
otherwise move and cause injury. 202
CareOperation
* optional
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Where will I find...?
...........................208
Display messages ............................. 211
Troubleshooting ................................ 233
Locking/unlocking in an emer-
gency ................................................. 250
Resetting triggered NECK-PRO
head restraints .................................. 252
Replacing batteries (key and
remote control) ................................. 253
Changing bulbs ................................. 254
Replacing the wiper blades ..............261
Flat tyre ............................................. 262
Battery ............................................... 272
Jump-starting .................................... 276
Towing and tow-starting ..................277
Fuses .................................................. 280 207Practical advice
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Display messages
Possible causes/consequences and
X
X Solutions Child
seat in
wrong
position See Own‐
er's Man‐
ual
G
Risk of injury
Vehicles with automatic child seat recognition *on the front-
passenger seat: the child seat is incorrectly positioned.
X Fit the child seat in the correct position. G
Risk of injury
Vehicles with automatic child seat recognition* on the front-
passenger seat: the child seat recognition sensor is faulty.
X Visit a qualified specialist workshop. Compass unavaila‐
ble
The compass* is malfunctioning.
X
Have the compass* checked at a qualified specialist work-
shop. Compass - - -
The compass* is not calibrated.
X
Calibrate the compass* (Y page 167).Compass - - -
The compass* is malfunctioning because of exterior interfer-
ence.
As soon as the source of the interference has been removed:
X
Turn the key to position 0in the ignition lock and remove
it.
X Wait until the total distance recorder has disappeared from
the multi-function display.
X Calibrate the compass* (Y page 167).No Service Your vehicle is outside the network provider transmitter/
receiver range.
X
Wait until the operational readiness symbol appears in the
multi-function display (Y page 111).Drive to
workshop without
changing
gear You cannot change the transmission position due to a mal-
function.
If transmission position
Dis selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R,Nor Pis selected:
X Consult a qualified specialist workshop. 216
Display messagesPractical advice
* optional
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