2015 MERCEDES-BENZ G-CLASS SUV cooling

Power washer ................................ 211
Rear view camera .......................... 211
Roof lining ...................................... 212
Seat belt ........................................212
Seat cover ..................................... 212
Sensors ......................................... 211
Tail pipes ....................................... 211
Trim pieces ................................... .212
Washing by hand ........................... 211
Wheels .......................................... .211
Windows ........................................ 211
Wiper blades .................................. 211
Wooden trim .................................. 212
Cargo compartment cover
Installing/removing ....................... 197
Notes/how to use ......................... 196
Opening and closing ..................... .196
Cargo compartment enlargement
Important safety notes .................. 194
Cargo tie down rings ......................... 196
CD
see also Digital Operator's Man-
ual ................................................. .172
CD player/CD changer (on-board
computer) .......................................... 147
Center console
Overview .......................................... 36
Upper section .................................. 36
Central locking
Automatic locking (on-board com-
puter) ............................................. 147
Locking/unlocking (SmartKey) ....... .72
Changing bulbs
Side marker lamps .......................... .94
Changing gears .................................. 107
Child
Restraint system .............................. 56
Child seat
BabySmart™ air bag deactivation
system ............................................ .59
Forward-facing restraint system ...... 61
LATCH-type (ISOFIX) child seat
anchors ............................................ 57
On the front-passenger sea t............ 60
Problem (malfunction) ..................... 62
Rearward-facing restraint system .... 61
Top Tether ....................................... 58 Child-proof locks
Important safety notes .................... 62
Rear doors ....................................... 63
Children
Special seat belt retractor ............... 56
Cigarette lighter ................................ 197
Cleaning
Trailer tow hitch ............................. 211
Clear button ....................................... 180
Climate control
Controlling automaticall y............... 100
Cooling with air dehumidification .. 100
Defrosting the window s................. 100
Defrosting the windshield .............. 100
Dual-zone automatic climate con-
trol ........................................... 99, 100
Important safety notes ............ 98, 100
Indicator lamp ................................ 100
Maximum cooling .......................... 100
Notes on using dual-zone auto-
matic climate control ..................... 100
Overview of systems ........................ 98
Problem with the rear window
defroster ........................................ 100
Problems with "cooling with air
dehumidification" ........................... 100
Refrigerant ..................................... 263
Refrigerant filling capacity ............. 263
Setting the air distribution ............. 100
Setting the airflow ......................... 100
Setting the temperature ................ 100
Switching air-recirculation modeon/of f............................................ 100
Switching on/of f........................... 100
Switching residual heat on/off ...... 100
Switching the rear window
defroster on/of f............................ 100
Switching the ZONE function on/
off .................................................. 100
Windshield defroster ...................... 100
Cockpit
Overview .......................................... 32
see Instrument cluster
COMAND
Display ........................................... 175
Examples of operation ................... 180
Menu overview .............................. 176
6Index

COMAND and Internetsee Online and Internet functions
COMAND control panel .....................178
COMAND controller ........................... 179
Combination switch ............................ 92
Compass
Display messages .......................... 148
Connecting a USB device
see also Digital Operator's Man-
ual ................................................. .172
Consumption statistics (on-board
computer) .......................................... 147
Convenience opening feature .......... 100
Coolant (engine)
Checking the level ......................... 208
Display message .................... 148, 155
Filling capacity ............................... 265
Notes ............................................. 264
Temperature (on-board com-
puter) ............................................. 147
Temperature gauge ........................ 146
Warning lamp ................................. 168
Cooling
see Climate control
Cornering light function
Display message ............................ 148
Function/notes ................................ 92
Courtesy lights ................................... .92
Cruise control
Cruise control leve r .......................113
Display message ............................ 148
Driving system ............................... 112
Function/notes ............................ .112
Resuming the stored speed ........... 114
Selecting ........................................ 114
Storing and maintaining current
speed ............................................. 114
Cup holder
Center console .............................. 197
Important safety notes .................. 197
D
Datasee Technical data
Daytime running lamps
Display message ............................ 148 Switching on/off (on-board com-
puter) ............................................. 147
Declarations of conformity ................. 28
DEF
Display message ............................ 148
Delayed switch-off
Exterior lighting (on-board com-
puter) ............................................. 147
Interior lighting .............................. 147
Differential locks
Disengaging ................................... 136
Engaging ........................................ 135
Front axle ...................................... 136
General notes ................................ 134
Rear axle ........................................ 136
Terrain .......................................... .134
Transfer case ................................. 136
Differential locks (display mes-
sage) ................................................... 148
Digital Operator's Manual
Contents .......................................... 24
Installation ....................................... 22
Introduction ..................................... 22
Keyword search ............................... 24
Operating notes ............................... 23
Visual search ................................... 23
Digital speedometer ......................... 147
Display (cleaning instructions) ........212
Display messages
Calling up (on-board com-
puter) ............................................. 148
Driving systems ..................... 148, 156
Engine ................................... 148, 155
General notes ................................ 148
Hiding (on-board computer) ........... 148
Lights ............................................. 148
Safety systems ..................... .148, 149
Service interval displa y.................. 209
SmartKey ....................................... 148
Tires ...................................... 148, 158
Vehicle .................................. 148, 160
Distance display (on-board com- puter) .................................................. 147
Distance recorder ............................. 147
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 169
Index7

HeadlampsAdding fluid to cleaning system ..... 208
Cleaning ........................................ .211
Cleaning system (function) .............. 90
Cleaning system (notes) ................ 265
Fogging up ....................................... 90
Heating
see Climate control
Heating and air-conditioning sys-tem
Activating/deactivating air-recir-
culation mode ................................ 100
Activating/deactivating heating
system .......................................... .100
Cooling with air dehumidification .. 100
defrosting the windows .................. 100
Defrosting the windshield .............. 100
Important safety notes .................. 100
Increasing/reducing tempera-
ture ................................................ 100
Overview ........................................ 100
Problems with the cooling with air
dehumidification function .............. 100
Setting the airflow ......................... 100
Switching rear window defroster
on/off ............................................ 100
High-beam headlamps
Display message ............................ 148
Switching on/off .............................. 92
Hill start assist .................................. 105
HOLD function
Display message ............................ 148
Function/notes ............................ .126
Home address
see also Digital Operator's Man-
ual ................................................. .172
Hood
Closing .......................................... .205
Display message .................... 148, 160
Important safety notes .................. 204
Opening ......................................... 205
Horn ...................................................... 32
Hydroplaning ..................................... 112
I
Immobilizer.......................................... 68 Increasing/reducing temperature
(heating and air-conditioning sys- tem)
.................................................... 100
Instrument cluster
Overview ........................................ 146
Instrument cluster lighting .............. 146
Interior lighting
Automatic control ............................ 92
Delayed switch-off (on-board
computer) ...................................... 147
Manual control ................................. 92
Overview .......................................... 92
Reading lamp ................................... 92
Setting the brightness of the
ambient lighting (on-board com-
puter) ............................................. 147
Setting the color of the ambient
lighting (on-board computer) ......... 147
Internet
Calling up the carousel view .......... 188
Conditions for access .................... 181
Entering the URL ............................ 188
Selecting/setting access data ....... 183
Internet radio
Calling up ....................................... 187
Searching for stations .................... 188
iPod ®
see also Digital Operator's Man-
ual ................................................. .172
J
Jack
Pump lever ..................................... 252
Storage location ............................ 214
Using ............................................. 251
Jump starting (engine) ......................220
K
Key positions
SmartKey ....................................... 103
L
Lap time (RACETIMER) ......................147
LATCH-type (ISOFIX) child seat
anchors ................................................ 57
Level control (display message) ...... 148
Index11

Useful information
iThis Operator's Manual describes all
models and all standard and optional equip- ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
iRead the information on qualified special-
ist workshops: ( Ypage 28).
Overview of climate control systems
Important safety notes
Observe the settings recommended on the
following pages. The windows could other-
wise fog up. This could prevent you from
observing the traffic conditions, thereby
causing an accident.
Climate control regulates the temperature
and the humidity in the vehicle interior and
filters undesirable substances from the air.
Dual-zone automatic climate control is only
operational when the engine is running. Opti-
mum operation is only achieved if you drive
with the side windows and sliding sunroofclosed.
The climatic comfort deteriorates whilst the
sliding sunroof is open. The automatic climate control cannot maintain the set temperature
with the sliding sunroof open. You have to
adjust the climate control manually.
iVentilate the vehicle for a brief period
during warm weather, e.g. using the con-
venience opening feature ( Ypage 77). This
will speed up the cooling process and the
desired vehicle interior temperature will be
reached more quickly.
iThe integrated filter can filter out most
particles of dust, and completely filters out
pollen. A clogged filter reduces the amount of air supplied to the vehicle interior. For
this reason, you should always observe the
interval for replacing the filter, which is
specified in the Maintenance Booklet. As it
depends on environmental conditions, e.g. heavy air pollution, the interval may be
shorter than stated in the Maintenance
Booklet.
98Overview of climate control systems
Climate control

Control panel for dual-zone automatic climate control
Canada only :
Sets the temperature, left
;Defrosts the windshield
=Switches the ZONE function on/off
?Switches cooling with air dehumidification on/off
ASwitches the rear window defroster on/off
BSets the temperature, right
CActivates/deactivates air-recirculation mode
DSets the air distribution
EIncreases the airflow
FReduces the airflow
GDisplay
HSwitches climate control on/off
ISets climate control to automatic
Overview of climate control systems99
Climate control

USA only :
Sets the temperature, left
;Defrosts the windshield
=Switches maximum cooling on/off
?Switches cooling with air dehumidification on/off
ASwitches the rear window defroster on/off
BSets the temperature, right
CActivates/deactivates air-recirculation mode
DSets the air distribution
EIncreases the airflow
FReduces the airflow
GDisplay
HSwitches climate control on/off
ISets climate control to automatic
Operating the climate control sys- tems
In the Digital Operator's Manual you will find
information on the following topics: RSwitching climate control on/off
R Switching cooling with air dehumidification
on/off
R Setting climate control to automatic
R Setting the temperature
R Setting the air distribution
R Setting the airflow
R Switching the ZONE function on/off R
Defrosting the windshield
R MAX COOL maximum cooling
R Defrosting the windows
R Switching the rear window defroster on/off
R Activating/deactivating air-recirculation mode
R Switching the residual heat function on/off
R Setting the air vents
100Operating the climate control systems
Climate control

Additional service products
Checking coolant level
GWARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and touch only the components described in the
following.
GWARNING
The engine cooling system is pressurized, par-ticularly when the engine is warm. When
opening the cap, you could be scalded by hotcoolant spraying out. There is a risk of injury.
Let the engine cool down before opening the
cap. Wear eye and hand protection when
opening the cap. Open the cap slowly half a
turn to allow pressure to escape.
X Park the vehicle on a level surface.
Only check the coolant level when the vehi-
cle is on a level surface and the engine has
cooled down.
X Turn the SmartKey to position 2
( Y page 103) in the ignition lock.
X Check the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
158 ‡ (70 †). X
Slow ly turn cap :half a turn counter-
clockwise and allow excess pressure to
escape.
X Turn cap :further counter-clockwise and
remove it.
If the coolant is at the level of marker bar =
in the filler neck when cold, there is enough coolant in coolant expansion tank ;.
If the coolant level is approximately 0.6 in
(1.5 cm) above marker bar =in the filler
neck when warm, there is enough coolant
in coolant expansion tank ;.
X If necessary, add coolant that has been tes-
ted and approved by Mercedes-Benz.
X Replace cap :and turn it clockwise as far
as it will go.
For further information on coolant, see( Y page 264).
Adding washer fluid to the windshield
washer system/headlamp cleaning
system
GWARNING
Certain components in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
GWARNING
Windshield washer concentrate could ignite if it comes into contact with hot engine compo-
nents or the exhaust system. There is a risk of
fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
208Engine compartment
Maintenance and care

Brake fluid
GWARNING
The brake fluid constantly absorbs moisture
from the air. This lowers the boiling point of
the brake fluid. If the boiling point of the brakefluid is too low, vapor pockets may form in the brake system when the brakes are applied
hard. This would impair braking efficiency.
There is a risk of an accident.
You should have the brake fluid renewed at
the specified intervals.
When handling brake fluid, observe the
important safety notes on service products( Y page 259).
The brake fluid change intervals can be found
in the Maintenance Booklet.
Only use brake fluid approved by Mercedes-
Benz according to MB Approval 331.0.
Information about approved brake fluid can
be obtained at any qualified specialist work-
shop or on the Internet at
http://bevo.mercedes-benz.co m.
iHave the brake fluid regularly replaced at
a qualified specialist workshop and the
replacement confirmed in the Maintenance Booklet.
Coolant
Important safety notes
GWARNING
If antifreeze comes into contact with hot com- ponents in the engine compartment, it may
ignite. There is a risk of fire and injury.
Let the engine cool down before you add anti-
freeze. Make sure that antifreeze is not spilled
next to the filler neck. Thoroughly clean the
antifreeze from components before starting
the engine.
!Only add coolant that has been premixed
with the desired antifreeze protection. You
could otherwise damage the engine. Further information on coolants can be
found in the Mercedes-Benz Specifications
for Service Products, MB BeVo 310.1, e.g.
on the Internet at
http://bevo.mercedes-benz.com. Or con-
tact a qualified specialist workshop.
!Always use a suitable coolant mixture,
even in countries where high temperatures prevail.
Otherwise, the engine cooling system is not
sufficiently protected from corrosion and
overheating.
iHave the coolant regularly replaced at a
qualified specialist workshop and the
replacement confirmed in the Maintenance Booklet.
Comply with the important safety precautions for service products when handling coolant( Y page 259).
The coolant is a mixture of water and anti-
freeze/corrosion inhibitor. It performs the
following tasks:
R corrosion protection
R antifreeze protection
R raising the boiling point
If the coolant has antifreeze protection down to -35 ‡(-37 †), the boiling point of the cool-
ant in the pressurized system is approx-
imately 266 ‡ (130 †).
The antifreeze/corrosion inhibitor concentra- tion in the engine cooling system should: R be at least 50%. This will protect the engine
cooling system against freezing down to
approximately -35 ‡(-37 †).
R not exceed 55% (antifreeze protectiondo wn to -49 ‡ [-45 †]). Otherwise, heat
will not be dissipated as effectively.
Mercedes-Benz recommends an antifreeze/
corrosion inhibitor in accordance with MB
Specifications for Service Products 310.1.
iWhen the vehicle is first delivered, it is fil-
led with a coolant mixture that ensures
adequate antifreeze and corrosion protec-
tion.
264Service products and filling capacities
Technical data