heating MERCEDES-BENZ G-Class 2012 W463 Owner's Manual

Fuel
Additives ........................................ 274
Important safety notes
..................273
Premium-grade unleaded gasoline . 273
Refueling ........................................ 124
Specifications ................................ 274
Troubleshooting ............................. 127
Fuel/water separator
Service ........................................... 216
Fuel consumption
Notes ............................................. 129
Fuel filler cap (display message) .....174
Fuel filler flap Emergency release ........................ 126
Opening/closing ............................ 125
Fuel filter
Display message ............................ 174
Fuel level
Calling up the range (on-board
computer) ...................................... 163
Fuse allocation chart ........................238
Fuse box Battery case ................................... 239
Dashboard ..................................... 238
Front-passenger footwell ...............238
Transmission tunnel ....................... 239
Fuse extractor ................................... 238
Fuses Dashboard fuse box ....................... 238
Fuse allocation chart ..................... 238
Fuse box in the front-passenger
footwell .......................................... 238
Fuse box in the transmission
tunnel ............................................ 239
In the battery case ......................... 239
Notes ............................................. 237G
Garage door opener Clearing the memory

.....................207
Notes ............................................. 204
Opening/closing the garage door ..207
Programming the remote control ... 205
Gear or selector lever (cleaning
guidelines) ......................................... 221
Genuine Mercedes-Benz parts ......... 270Genuine wood trim and trim strips
(cleaning instructions)
......................221
Glove box ........................................... 189
Gradient-climbing capability
(maximum) ......................................... 139
GTW (Gross Trailer Weight)
(definition) ......................................... 263 H
Handbrake see Parking brake


Hazard warning lamps ........................91
Headlamp delayed switch-off see Exterior lighting delayed switch-off
Headlamps
Adding fluid to cleaning system .....214
Cleaning ......................................... 220
Cleaning system (function) .............. 91
Fogging up ....................................... 92
Protective grille ................................ 98
Headlamps (automatic) ......................89
Head restraints Adjusting (angle) .............................. 77
Adjusting (rear) ................................ 78
Installing/removing (rear) ................ 78
Luxury .............................................. 79
Resetting (front) ............................... 78
see NECK-PRO head restraints
Heating
see Climate control
Heating, windshield
see Windshield heating
High beam flasher ............................... 91
High-beam headlamps (display
message) ............................................ 169
High-mounted brake lamp Display message ............................ 168
Hill start assist .................................. 117
Hood Closing ........................................... 211
Display message ............................ 177
Opening ......................................... 210
Hydroplaning ..................................... 1328
Index

S
Safety Children in the vehicle .....................47
Child restraint systems ....................47
Overview of occupant safety
systems ...........................................
32
Safety systems
see Driving safety systems


Seat backrest
Folding back .................................. 191
Folding forwards ............................ 191
Seat belts
Adjusting the height ......................... 45
Belt force limiters ............................ 47
Cleaning ......................................... 222
Correct usage .................................. 42
Emergency Tensioning Devices ........ 47
Fastening ................................... 43, 44
Fastening, front ............................... 44
Fastening in the rear, center ............44
Important safety guidelines .............41
Releasing ......................................... 46
Safety guidelines ............................. 33
Special seat belt retractor ............... 49
Warning lamp ................................. 178
Warning lamp (function) ................... 46
Seat heating
Indicator lamp (malfunction) ............ 81
Seats
Adjusting the 4-way lumbar
support ............................................ 79
Adjusting the head restraint ............ 77
Cleaning the cover ......................... 221
Correct driver's seat position ........... 74
Important safety notes .................... 75
Multicontour seat ............................ 79
Storing settings (memory
function) .......................................... 85
Switching seat heating on/off ......... 80
Switching seat ventilation on/off ....81
Seat ventilation
Indicator lamp (malfunction) ............ 81
Sensors (cleaning instructions) .......220
Service indicator see Service interval display Service interval display
....................215
Displaying a
service message (on-
board computer) ............................ 216
Service products
Brake fluid ..................................... 275
Capacities ...................................... 273
Coolant (engine) ............................ 276
Engine oil ....................................... 275
Fuel ................................................ 273
Important safety notes .................. 272
Notes ............................................. 272
Refrigerant (air-conditioning
system) .......................................... 275
Washer fluid ................................... 277
Settings
Calling up a stored setting ............... 86
Factory (on-board computer) ......... 158
On-board computer ....................... 158
Setting the unit (on-board
computer)
Speedometer ................................. 159
Shift ranges ....................................... 121
Side marker lamp (display
message) ............................................ 169
Side windows Convenience closing feature ............ 69
Convenience opening feature .......... 69
Important safety information ........... 68
Opening/closing .............................. 68
Troubleshooting ............................... 69
Ski rack .............................................. 193
Sliding sunroof Important safety notes .................... 70
Opening/closing .............................. 70
Operating manually ..........................71
SmartKey
Changing the battery ....................... 62
Changing the programming ............. 61
Checking the battery ....................... 62
Convenience closing feature ............ 69
Convenience opening feature .......... 69
Important safety notes .................... 60
Loss ................................................. 64
Malfunction ...................................... 64
Starting the engine ........................ 116
Snow chains ...................................... 24512
Index

Sockets
Front-passenger footwell ...............196
Luggage compartment ................... 196
Rear compartment ......................... 196
SOS
see mbrace

Spare fuses ........................................ 238
Spare wheel Mounting ....................................... 226
Notes/data .................................... 268
Spare wheel bracket at the rear ....225
Stainless-steel spare hub cap ........ 225
Specialist workshop ............................ 20
Speedometer Additional speedometer (on-
board computer) ............................ 156
Setting the unit (on-board
computer) ...................................... 159
SPEEDTRONIC
Display message ............................ 174
SRS (Supplemental Restraint
System)
Display message ............................ 167
Introduction ..................................... 32
Warning lamp ................................. 183
Warning lamp (function) ................... 32
Standard display (on-board
computer) .......................................... 156
Starting the engine Important safety notes .................. 115
Station
see Radio
Status line (on-board computer)
Selecting the display ...................... 159
Steering wheel
Adjusting ......................................... 82
Buttons (on-board computer) ......... 153
Cleaning ......................................... 221
Important safety notes .................... 81
Steering wheel heating .................... 82
Storing settings (memory
function) .......................................... 85
Steering wheel heating
Indicator lamp (malfunction) ............ 83
Stowage compartments
Armrest (under) ............................. 189
Cup holders ................................... 193Glove box
....................................... 189
Important safety information
.........189
Stowage pockets ........................... 190
Submenu (on-board computer)
Convenience .................................. 161
Vehicle ........................................... 161
Summer opening
see Convenience opening feature
Summer tires ..................................... 244
Sun visor ............................................ 194
Supplemental Restraint System see SRS (Supplemental Restraint
System)
Surround lighting
Switching on/off (on-board
computer) ...................................... 160
SUV
(Sport Utility Vehicle) .......................19
Switching air-recirculation mode
on/off ................................................. 110
Switching off the alarm (ATA) ............57 T
Tachometer ........................................ 152
Tail lamps see Lights


Tail lamps (Display message) ........... 170
Technical data G 500 ............................................. 277
G 55 AMG ...................................... 277
Tires ............................................... 266
Wheels ........................................... 266
TELEAID
Call priority .................................... 202
Display message ............................ 167
Downloading destinations
(COMAND) ..................................... 202
Emergency call .............................. 199
Important safety notes .................. 198
Locating a stolen vehicle ............... 203
MB info call button ........................ 201
Roadside Assistance button .......... 200
Self-test ......................................... 198
System .......................................... 198
Vehicle remote unlocking .............. 202
Telephone
Menu (on-board computer) ............ 163 Index
13

SRS ................................................
183
Tire pressure monitor .................... 185
Warranty ............................................ 270
Washer fluid Display message ............................ 177
Wheel bolt tightening torque
...........229
Wheels Changing a wheel .......................... 227
Checking ........................................ 243
Cleaning ......................................... 218
Important safety notes .................. 242
Interchanging/changing ................265
Mounting a wheel .......................... 229
Removing a wheel ..........................229
Storing ........................................... 266
Technical data ............................... 266
Tightening torque ........................... 229
Window curtain air bag
Operation ......................................... 37
Windows
see Side windows
Windows (cleaning instructions) .....219
Windshield heating ...........................108
Windshield washer system .............. 214
Windshield wipers Important safety notes .................... 99
Replacing the wiper blades ............ 100
Switching on/off ........................... 100
Troubleshooting ............................. 101
Winter
Driving in winter ............................. 134
Winter operation ............................ 244
Winter tires
M+S tires ....................................... 244
Wiper blades
Cleaning ......................................... 21916
Index

Cockpit
Function Page
:
Combination switch 91
;
Cleans the headlamps 91
=
Cruise control lever 139
?
Horn
A
Instrument cluster 25
B
Voice Control System lever;
see the separate operating
instructions C
Ignition lock 115
D
Glove box lock
189 Function Page
E
Glove box 189
F
Center console 28
G
Multifunction steering
wheel
27
H
Diagnostics socket 20
I
Opens the hood 210
J
Adjusts the steering wheel 81
Steering wheel heating
K
Light switch 88
L
Adjusts the exterior mirrors 8424
Cockpit
At a glance

Center console
Function Page
:
Seat heating 80
;
Windshield heating 108
=
Rear window wiper 100
?
ESP
®
OFF 55
A
Engages the differential
locks
148
B
Locks/unlocks centrally 65
C
Anti-theft alarm system
(ATA)
58
Tow-away alarm 58
D
Seat ventilation 81
E
Hazard warning lamps 91
F
PASSENGER AIR BAG OFF
indicator lamp
37 Function Page
G
COMAND; see separate
operating instructions
H
Dual-zone automatic
climate control
105
I
Ashtray 195
Cigarette lighter 195
J
Stowage tray
K
Automatic transmission
selector lever
120
L
Transfer case switch 145
M
Parking brake 12828
Center consoleAt a glance

Problems with the SmartKey
Problem Possible causes/consequences and
M Solutions
You cannot lock or
unlock the vehicle
using the SmartKey. The SmartKey battery is discharged or nearly discharged.
X
Point the tip of the SmartKey at the driver's door handle from a
distance of approximately 1.5 ft (50 cm) and try to unlock or
lock the vehicle again.
If this does not work:
X Check the SmartKey battery and replace it if necessary
(Y page 62).
X Lock or unlock the vehicle using the mechanical key
(Y page 66). The SmartKey is faulty.
X
Lock or unlock the vehicle using the mechanical key
( Y page 66).
X Have the SmartKey checked at a qualified specialist workshop. You have lost a
SmartKey. X
Have the SmartKey canceled at an authorized Mercedes-Benz
Center.
X Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. You have lost the
mechanical key. X
Report the loss immediately to the vehicle insurers.
X If necessary, have the locks changed as well. The SmartKey cannot
be
turned

in the ignition
lock. The SmartKey has been in position
0
for a considerable time.
X Remove the SmartKey and reinsert it into the ignition lock.
X Check the battery and charge it if necessary ( Y page 231).
X Start the engine. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to turn the SmartKey again.
If this does not work:
X Check the battery and charge it if necessary ( Y page 231).
or
X Jump-start the vehicle (Y page 233).
or
X Consult a qualified specialist workshop.64
SmartKey
Opening/closing

Do not drive the vehicle without the seat head
restraints. Head restraints are intended to
help reduce injuries during an accident.
! To avoid

damage to the seats and the seat
heating, observe the following information:
R do not spill any liquids on the seats. If
liquid is spilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not to be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objects on the
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating
materials, e.g. blankets, coats, bags,
seat covers, child seats or booster seats.
! Make sure that there are no objects in the
footwell or behind the seats when resetting
the seats. There is a risk that the seats
and/or the objects could be damaged.
! When the rear bench seat is folded
forwards, the front seats cannot be moved
to their rearmost position. You could
otherwise damage the seats and the rear
bench seat.
! Make sure that the sun visor is folded up
before adjusting the backrest and head
restraint height. The head restraint and sun
visor could otherwise collide when the head
restraint is fully extended.
i If the front door is open, the seats can be
adjusted for up 30 minutes after the
ignition has been switched off.
i The head restraints in the front and rear
seats can be removed ( Y page 78). Please contact an authorized Mercedes-
Benz Center for more information.
i You can find further information about
enlarging the cargo compartment (folding
the rear bench seat forwards) on
(Y page 190). Adjusting the seats electrically
General notes The buttons are located on the door control
panel.
:
Head restraint height
; Backrest angle
= Seat fore-and-aft adjustment
? Seat cushion angle
A Seat height
X Turn
the SmartKey to position
1 or
2
in the
ignition lock.
Seat fore-and-aft adjustment !
Before moving the front passenger seat
forward, make sure that the cup holder on
the center

console is folded down and that
the cup holder on the armrest has been
removed. Otherwise, the front passenger
seat or the cup holders may be damaged.
X Slide the button forwards or back in the
direction of arrow =.76
Seats
Seats, steering wheel and mirrors

Switching the seat heating on/off
General notes The red indicator lamps in the button indicate
the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off.
One or more of the indicator lamps in the
seat heating button are flashing.
X Make sure that the SmartKey is in position
2 in the ignition lock.
Front-seat heating i
The system automatically switches down
from level 3 to level 2 after approximately
five minutes.
The system automatically switches down
from level 2 to level 1 after approximately
ten minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X To switch on: press button : repeatedly
until the desired heating level is set.
X To switch off: press button : repeatedly
until all the indicator lamps go out. Rear-seat heating
:
Level 1 (normal heating)
; Level 2 (rapid heating)
i The system automatically switches down
from level 2 (rapid heating) to level 1
(normal heating) after approximately five
minutes.
The system automatically switches off
approximately 30 minutes after it is set to
level 1.
X To select level 1: press the upper section
of button :.
An indicator lamp lights up.
X To deactivate level 1: press the upper
section of button :.
The indicator lamp goes out.
X To select level 2: press the lower section
of button ;.
Both indicator lamps light up.
X To deactivate level 2: press the lower
section of button ;.
Both indicator lamps go out. 80
Seats
Seats, steering wheel and mirrors

Problems with the seat heating
If one or all of the indicator lamps in the seat
heating button are flashing, the seat heating
has switched off automatically. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X
Switch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
Once the
battery is sufficiently charged, the
seat heating will switch back on
automatically. Switching the seat ventilation on/off
Switching on/off Seat ventilation is only available for the front
seats.
The
three

blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
i If the battery voltage is too low, the seat
ventilation may switch off. X
Make sure that the SmartKey is in position
2 in the ignition lock.
X To switch on: press button : repeatedly
until the desired ventilation level is set.
i If you open the side windows and the
sliding sunroof using the SmartKey
(Y page 69), the driver's seat ventilation
automatically switches

to the highest level.X
To switch off: press button : repeatedly
until all the indicator lamps go out.
Problems with the seat ventilation If one or all of the indicator lamps in the seat
ventilation button are flashing, the seat
ventilation has switched off automatically.
The vehicle's electrical system voltage is too
low because too many electrical consumers
are switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Once the

battery is sufficiently charged, the
seat ventilation will switch back on
automatically. Steering wheel
Important safety notes
You can

adjust the steering wheel electrically. G
WARNING
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, 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.
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
instrument cluster clearly. Steering wheel
81
Seats, steering wheel and mirrors Z