heating MERCEDES-BENZ GL SUV 2009 User Guide
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Page 73 of 309
X
Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the required ventilation level is set.
i If you open the side windows and the slid-
ing/tilting sunroof* using the key
(Y page 87), the seat ventilation of the
driver's seat automatically switches to the
highest level.
X To switch off: press button:repeatedly
until all indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off. Seat heating*
The three red indicator lamps in the button
indicate the heating level you have selected. Driver's and front-passenger seat
Rear-compartment seats i
The system automatically switches down
from level 3to level 2after approximately
five minutes.
The system automatically switches down
from level 2to level 1after approximately
ten minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Make sure that the key is in position 1or
2 in the ignition lock.
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off. Steering wheel
Points to remember
Depending on the vehicle equipment, you can
adjust the steering wheel either manually or
electrically*. G
Risk of injury
The electrically adjustable steering wheel*
can be adjusted when the key is removed
from the ignition lock. Therefore, do not leave
children unsupervised in the vehicle as they
could become trapped as the steering wheel
is adjusted. G
Risk of accident
Only adjust the steering wheel when the vehi-
cle is stationary and do not pull away until the
steering wheel adjustment mechanism is
locked in position. Otherwise, you might drive
without the steering wheel adjustment mech-
anism being locked in position and be distrac-
ted from road and traffic conditions by an
unexpected movement of the steering wheel
and cause an accident. 70
Steering wheelControls
* optional
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Page 74 of 309
However, the steerability of the vehicle is not
affected.
When you adjust the steering wheel, make
sure that:
R the steering wheel can be reached with
your arms slightly bent
R you can move your legs freely
R you can see all the displays in the instru-
ment cluster clearly Adjusting the steering wheel man-
ually
:
Release handle
; Height adjustment
= Fore-and-aft adjustment
X Pull handle :out completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired
position.
X Push handle :in completely until it
engages fully.
The steering wheel is locked in position. Adjusting the steering wheel electri-
cally*
:
Fore-and-aft adjustment
; Height adjustment
You can find more information under:
R EASY-ENTRY/EXIT feature (Y page 72)
R storing settings (Y page 74) Steering wheel heating*
X
To switch on or off: make sure that the
key is in position 2in the ignition lock.
X Turn the lever in direction of arrow :
or ;.
Indicator lamp =lights up or goes out.
i The steering-wheel heating does not
switch off automatically. Steering wheel
71Controls
* optional
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Page 106 of 309
Settings menu
You can use the
Settingsmenu to:
R restore the factory settings (Y page 103)
R change the instrument cluster settings
(Y page 103)
R change the time/date settings 23
(Y page 104).
R change the lighting settings (Y page 105)
R change the vehicle settings (Y page 106)
R change the auxiliary heating* settings
(Y page 107)
R change the convenience settings*
(Y page 108)
Resetting to factory settings For safety reasons, not all functions will be
reset: permanent Speedtronic can only be set
in the Vehicle submenu. The Daytime
driving lamps function in theLighting
submenu is only reset if the vehicle is sta-
tionary.
X Press VorU on the steering wheel
to select the Settings... menu.
X Press and hold the .reset button on the
instrument cluster for approximately three
seconds.
A prompt appears in the multi-function dis-
play asking you to confirm by pressing
the .reset button again. X
Press the .reset button again.
The functions of most submenus are
restored to factory settings.
or
X If you want to retain the settings, do not
press reset button .a second time.
You will see the Settings...menu again
after approximately five seconds.
X Press the VorU button to select a
different menu.
Instrument cluster submenu Selecting the unit of measurement for
distance
This function is not available on vehicles with
speedometers in mph.
The selected unit of measurement for dis-
tance applies to:
R
the analogue speedometer
R the total distance recorder and the trip
meter
R the trip computer
R the navigation instruction in the Naviga-
tion* menu
R cruise control
R Speedtronic
R Distronic*
X Press VorU on the steering wheel
to select the Settings... menu.
X Press the &button to select submenus.
X Press the WorX button to select the
Instrument cluster submenu.
X Press the &button to select Display
unit Speed/odometer.
X Press the WorX button to select
km (kilometres) or milesas the unit of
measurement for distance.
X Press the &,VorU button to
select a different display.
23 This function is not available on vehicles with Audio 50 APS*, Audio 55 APS* or COMAND APS*. On-board computer
103Controls
* optional
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Page 110 of 309
Setting the display when the ignition is
switched off
The
Display when ignition off function
allows you to set which display you see in the
multi-function display after removing the key
from the ignition lock.
X Press VorU on the steering wheel
to select the Settings... menu.
X Press the &button to select submenus.
X Press the WorX button to select the
Vehicle submenu.
X Press the &button to select Display
when ignition off.
X Press the WorX button to select
Interior motion sensor, Tow-away
protection orMiles/km.
X Press the &,VorU button to
select a different display.
Activating/deactivating the automatic
door locking feature
When you activate the Automatic door
locking function, your vehicle will be cen-
trally locked above a speed of approximately
15 km/h.
i For more information on the automatic
door locking feature, see (Y page 60).
X Press VorU on the steering wheel
to select the Settings... menu.
X Press the &button to select submenus.
X Press the WorX button to select the
Vehicle submenu.
X Press the &button to select Auto‐
matic door locking.
X Press the WorX button to activate
or deactivate the Automatic door lock‐
ing feature.
X Press the &,VorU button to
select a different display. Heating submenu Auxiliary heating* departure time
Only vehicles with auxiliary heating have this
function.
The
Aux.heating departure time function
allows you to select a stored departure time
or change the departure time for which the
vehicle with auxiliary heating is preheated.
The auxiliary heating timer function calcu-
lates the switch-on time according to the out-
side temperature so that the vehicle is pre-
heated by the departure time. When the
departure time is reached, the auxiliary heat-
ing continues to heat for a further five
minutes and then switches off. The auxiliary
heating adopts the temperature settings
selected for Thermatic 2-zone automatic cli-
mate control or Thermotronic luxury multi-
zone automatic climate control*.
You can switch off the auxiliary heating by
using the remote control or the auxiliary heat-
ing button on the centre console. G
Risk of poisoning
Exhaust fumes are produced when the auxili-
ary heating is in operation. Inhaling these
exhaust fumes can be poisonous. You should
therefore switch off the auxiliary heating in
confined spaces without an extraction sys-
tem, e.g. a garage. G
Risk of fire
When the auxiliary heating is in operation,
parts of the vehicle can become very hot.
Make sure that the exhaust system does
not under any circumstances come into con-
tact with highly flammable materials such as
dry grass or fuels. The highly flammable mate-
rial could otherwise ignite and set the vehicle
alight. Select your parking space accordingly.
Operating the auxiliary heating is therefore
prohibited at filling stations or when your vehi-
cle is being refuelled. Always switch off the
auxiliary heating at filling stations. On-board computer
107Controls
* optional
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Page 111 of 309
Selecting the departure time or deactivat-
ing a selected departure time
You can call up the Aux.heating depar‐
ture time function directly.
X Turn the key to position 1or 2in the ignition
lock.
X Press the button for the auxiliary heating on
the centre console (Y page 147).
or
X Press VorU on the steering wheel
to select the Settings... menu.
X Press the &button to select submenus.
X Press the WorX button to select the
Heater submenu.
X Press the &button to select Aux.heat‐
ing departure time.
You will see the selected setting.
X Press the WorX button to select
one of the three departure times or Timer
off (no timer active).
When a switch-on time is selected, the yel-
low indicator lamp lights up in the auxiliary
heating button.
Changing the departure time
X Press VorU on the steering wheel
to select the Settings... menu.
X Press the &button to select submenus.
X Press the WorX button to select the
Heater submenu.
X Press the &button to select Aux.heat‐
ing departure time.
X Press WorX to select Time 1,
Time 2 orTime 3 to be changed.
X Press &to select Departure time
X Set hour.
X Press the WorX button to set the
hour.
X Press the &button to select Depar‐
ture time X Set minutes. X
Press the WorX button to set the
minutes.
X Press the *button to select a different
display.
After changing from one menu to another,
the new time setting is stored. The yellow
indicator lamp lights up on the button for
the auxiliary heating on the centre console.
Convenience submenu* Activating or deactivating the easy-entry/
exit feature*
G
Risk of injury
The steering wheel moves when the EASY-
ENTRY/EXIT feature is active. There is a risk
of occupants becoming trapped. Before acti-
vating the EASY-ENTRY/EXIT feature, make
sure that nobody can become trapped.
Do not leave children unsupervised in the
vehicle, even if they are secured in a child
restraint system. The children could open the
driver's door and thereby unintentionally acti-
vate the EASY-ENTRY/EXIT feature and
become trapped.
X Press VorU on the steering wheel
to select the Settings... menu.
X Press the &button to select submenus.
X Press the WorX button to select the
Convenience submenu.
X Press the &button to select the EASY-
ENTRY feature.
X Press the WorX button to activate
or deactivate the EASY-ENTRY system.
X Press the &,VorU button to
select a different display.
Switching the belt adjustment on/off
X Press VorU on the steering wheel
to select the Settings... menu.
X Press the WorX button to select the
Convenience submenu. 108
On-board computerControls
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Page 120 of 309
The engaged differential appears in the multi-
function display:
A
The differential lock for the transfer case
is locked.
The differential locks are not controlled auto-
matically. The steerability of the vehicle is
restricted considerably. Drive carefully and
accelerate gently for optimum traction.
You can switch back to automatic mode at
any time. For safety reasons, the differential
locks disengage automatically at speeds
above 50 km/h. If you stop the vehicle and
switch off the ignition for longer than ten sec-
onds, the differential locks switch back to
automatic mode.
Message in the multi-function display
Diff. lock system overheated.
Wait briefly
The differential lock system has overheated
and briefly disengaged.
X Continue driving.
The differential locks cool off and are soon
available once again. Driving systems
Overview of driving systems
The vehicle's driving systems are described
on the following pages:
R cruise control, Distronic *and Speedtronic,
which are used to control the speed of the
vehicle
R Adaptive damping system (ADS), for indi-
vidual adjustment of suspension tuning R
level control, for individual adjustment of
ground clearance
R PARKTRONIC*, which assists you in park-
ing and manoeuvring
R reversing camera*, which assists you when
parking and manoeuvring
The ABS, BAS, adaptive brake lights, ESP ®
,
EBV and 4ETS driving safety systems and the
distance warning function* are described in
the "Driving safety systems" section
(Y page 49). Cruise control
Cruise control maintains a constant road
speed for you. It brakes automatically in order
to avoid exceeding the set speed. On long and
steep downhill gradients, especially if the
vehicle is laden or towing a trailer, you must
select shift range 1,2or 3in good time. By
doing so, you will make use of the braking
effect of the engine, which relieves the load
on the brake system and prevents the brakes
from overheating and wearing too quickly. G
Risk of accident
Do not change down for additional engine
braking on a slippery road surface. This could
cause the drive wheels to lose their grip and
the vehicle could skid.
Use cruise control only if road and traffic con-
ditions make it appropriate to maintain a
steady speed for a prolonged period. You can
store any road speed above 30 km/h. G
Risk of accident
Cruise control cannot take account of road
and traffic conditions.
Always pay attention to traffic conditions
even when cruise control is activated.
Cruise control is only an aid designed to assist
driving. You are responsible for the vehicle's
speed and for braking in good time. Driving systems
117Controls
* optional
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Page 123 of 309
laden or towing a trailer, you must select shift
range 1,2or 3in good time. By doing so, you
will make use of the braking effect of the
engine, which relieves the load on the brake
system and prevents the brakes from over-
heating and wearing too quickly. G
Risk of accident
The brake pedal is retracted when Distronic
brakes. Do not restrict the movement of the
pedal in any way.
R Do not put any objects in the footwell.
R Ensure that floor mats and carpets are fixed
securely.
R Do not place your foot under the brake
pedal as it could become trapped.
You could otherwise cause an accident and
injure yourself and others. G
Risk of accident
Do not change down for additional engine
braking on a slippery road surface. This could
cause the drive wheels to lose their grip and
the vehicle could skid. G
Risk of accident
Distronic is only an aid designed to assist
driving. The driver is fully responsible for the
vehicle's distance from other vehicles, the
vehicle's speed and for braking in good time.
Distronic does not react to:
R pedestrians
R stationary obstacles on the road, e.g. sta-
tionary or parked vehicles
R oncoming and crossing traffic
Distronic may not detect narrow vehicles driv-
ing in front, e.g. motorcycles, or vehicles driv-
ing on a different line. Therefore, always pay
attention to traffic conditions even when Dis-
tronic is activated. Otherwise, you may fail to
recognise dangers in time, cause an accident
and injure yourself and others.
If a slower-moving vehicle is detected in front,
Distronic causes your vehicle to brake and maintain the preset distance to the vehicle in
front that you have set. G
Risk of accident
Distronic cannot take account of road and
traffic conditions. Deactivate, or do not acti-
vate, Distronic if it does not detect the vehicle
in front, or if it no longer detects it. This is
especially the case:
R before corners
R in filter lanes
R when changing to a lane with faster moving
traffic
R in complex driving situations or where the
lanes are diverted, e.g. at motorway/road-
way construction sites
Otherwise, Distronic maintains the current
speed or accelerates to the set speed.
Distronic cannot take account of weather
conditions. Deactivate, or do not activate,
Distronic:
R if the roads are slippery, snow-covered or
icy. The wheels could lose their grip when
braking or accelerating. The vehicle could
start to skid.
R if the sensors are dirty or there is poor vis-
ibility, e.g. due to snow, rain or fog. Dis-
tance control may be impaired.
Always pay attention to traffic conditions
even when Distronic is activated. Otherwise,
you may fail to recognise dangers in time,
cause an accident and injure yourself and oth-
ers.
If no car is driving in front of you, Distronic
works like cruise control in the speed range
between 30 km/h and 200 km/h. If a vehicle
is driving in front of you, Distronic Plus works
in the speed range between 0 km/h and
200 km/h.
Do not use Distronic while driving on roads
with steep gradients. 120
Driving systemsControls
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Page 129 of 309
of its narrow width. The distance to the vehi-
cle in front will be too short.
Obstructions and stationary vehicles Distronic does not brake for obstructions or
stationary vehicles. If, for example, the detec-
ted vehicle turns a corner and there is an
obstacle or stationary vehicle ahead of it, Dis-
tronic will not brake for these.
Crossing vehicles Distronic may detect vehicles that are cross-
ing your lane by mistake. Activating Distronic
at, for example, a traffic light with crossing
traffic, could cause your vehicle to pull away
at the wrong time. Speedtronic
Speedtronic brakes automatically so that you
do not exceed the set speed. On long and
steep downhill gradients, especially if the
vehicle is laden or towing a trailer, you must
select shift range 1,2or 3in good time. By
doing so, you will make use of the braking effect of the engine, which relieves the load
on the brake system and prevents the brakes
from overheating and wearing too quickly. If
you need additional braking, depress the
brake pedal repeatedly rather than continu-
ously. G
Risk of accident
Never depress the brake pedal continuously
while the vehicle is in motion, e.g. never cause
the brakes to rub by applying constant slight
pedal pressure. This causes the brake system
to overheat, increases the braking distance
and can lead to the brakes failing completely. G
Risk of accident
Do not change down for additional engine
braking on a slippery road surface. This could
cause the drive wheels to lose their grip and
the vehicle could skid.
You can set a variable or permanent limit
speed:
R variable for speed limits, e.g. in built-up
areas
R permanent for long-term speed restric-
tions, e.g. for driving on winter tyres
(Y page 128) G
Risk of accident
Speedtronic is only an aid designed to assist
driving. You are responsible for the vehicle's
speed and for braking in good time.
i The speed indicated in the speedometer
may differ slightly from the limit speed
stored.
Variable Speedtronic With the cruise control lever, you can operate
cruise control, Distronic* and variable Speed-
tronic.
The LIM indicator lamp on the cruise control
lever indicates which system you have selec-
ted:
R
LIM indicator lamp off: 126
Driving systemsControls
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Page 139 of 309
the responsibility to pay attention. The cam-
era cannot show objects:
R very near to the rear bumper
R below the rear bumper
R that are located above the tailgate handle
recess
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. This applies to the areas
behind, in front of and next to the vehicle. You
could otherwise endanger yourself and oth-
ers. G
Risk of accident
Under the following circumstances, the
reversing camera will not function, or function
in a limited manner:
R if the tailgate is open
R in heavy rain, snow or fog
R at night or in very dark places
R if the camera is exposed to very bright light R
if the area is lit by fluorescent light (the dis-
play may flicker)
R if there is a sudden change in temperature,
e.g. when driving into a heated garage in
winter
R if the camera lens is dirty or obstructed
R if the rear of your vehicle is damaged. In this
event have the camera position and setting
checked at a qualified specialist workshop.
Mercedes-Benz recommends that you use
a Mercedes-Benz Service Centre for this
purpose.
Do not use the reversing camera in these
types of situation. You could, otherwise,
injure others or damage objects and your
vehicle while you are parking.
Activating the reversing camera X
Make sure that the key is in position 2in
the ignition lock.
X Engage reverse gear.
The area behind the vehicle is shown in the
COMAND APS display. Air conditioning
Overview of air-conditioning systems
The vehicle is equipped with one of the following air-conditioning systems: Thermatic 2-zone automatic climate control
Front control unit Thermatic 2-zone automatic climate control
combines an automatic heating and ventila-
tion system with a cooling system. You can
control the temperature separately for the
driver's and front-passenger sides.136
Air conditioningControls
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Page 141 of 309
Overview of air-conditioning system functions
Thermatic 2-zone automatic climate control Function
:
Sets the temperature, left
;
Sets the air-conditioning system to
automatic
=
Demists the windscreen
?
Increases the airflow
A
Directs the airflow through the
demister vents
B
Switches cooling with air dehumid-
ification on/off
Switches the residual heat function
on/off
C
Sets the temperature, right
D
Switches the rear-compartment air
conditioning on/off
E
Directs the airflow through the
centre and side air vents
F
Directs the airflow to the footwells
and side air vents
G
Displays the airflow level
H
Reduces the airflow
I
Switches the rear window heating
on/off Function
J
Activates/deactivates air-recircu-
lation mode
K
Interior temperature sensor
L
Switches the air conditioning on/
off
i
Instructions and recommendations for
optimum air conditioning:
R activate the air conditioning using
the à andÁ buttons. The indica-
tor lamps in the ÃandÁ buttons
come on.
R set the temperature to 22 †.
R only use the "demisting" function briefly,
until the windscreen is clear again.
R only use the "air-recirculation" mode
briefly, e.g. if there are unpleasant out-
side odours or when in a tunnel. Other-
wise, the windows could mist up due to
a lack of fresh air.
R use the "residual heat" function if you
want to heat or ventilate the vehicle inte-
rior when the ignition is switched off. The
"residual heat" function can only be acti-
vated or deactivated with the ignition
switched off. 138
Air conditioningControls
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