2017 MERCEDES-BENZ G-Class heating

Adjusting the4-wa ylumbar support
You can adjust th econtou rofthefron tseat
backrest sindividually to provid eoptimum sup-
por tfor your back.
:Raises th ebackrest contour
;Soften sthe backrest contour
=Lowers th ebackrest contour
?Harden sthe backrest contour
Switchin gthe seath eating on/off
Gene raln otes
GWARNIN G
Repeatedly switching on th eseat heating can
caus ethe seat cushion and backrest pads to
become ver yhot.T he healt hofpersonswith
limite dtem perature sensitivit yoralimited
abilit ytor eac ttoe xcessivelyhigh tempera-
tures may be affecte dortheym ay eve nsuffer
burn-like injuries. There is ariskofi njury.
Therefore ,donotswitch th eseat heating on
repeatedly.
The red indicator lamp sinthebutto nindicat e
th eh eating level you hav eselected.
XMak esuret ha tthe SmartKey is in position 2
in th eignition lock.
iIf th ebattery voltag eistoolow, th eseat
heating may switch off .
On eorm oreoft heindicator lamp sintheseat
heating butto nare flashing.
Switchin gthe front-seat heating on/off
XTo switch on: press button: repeatedly
until th edesired heating level is set .
XTo switch off:press butto n: repeatedly
until all th eindicator lamp sgoout.
iThe system automatically switches from
level 3to level 2after approximately eigh t
minutes.
The system automatically switches down
from level 2to level 1after approximately te n
minutes.
The system automatically switches off
approximately 35 minute safter it is set to
level 1.
Switchin gthe rea r-seath eating on/off
XTo switch on: press button: repeatedly
until th edesired heating level is set .
XTo switch off:press butto n: repeatedly
until all th eindicator lamp sgoout.
iThe system automatically switches from
level 3to level 2after approximately eigh t
minutes.
The system automatically switches down
from level 2to level 1after approximately te n
minutes.
78Seats
Seats ,steering wheel and mirrors

The system automatically switches off
approximately 35 minutes after it is set to
level1.
Switching the seat ventilation on/off
Switching on/off
Seat ventilation is only availablef or the front
seats.
The three blue indicator lamps in the buttons
indicate the ventilation level you have selected.
XMake sure that the SmartKey is in position 2
in the ignition lock (Ypage 104).
XTo switch on:press button :repeatedly
until the desired ventilation level is set.
iIf you open the side windows and the sliding
sunroof using the SmartKey (Ypage 70), the
driver's seat ventilation automatically
switches to the highest level.
XTo switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
ventilation may switch off.
Problems with the seat heating/seat ventilation
ProblemPossible causes/consequences and MSolutions
The seat heating or seat
ventilation has switched
off prematurely or can-
not be switched on.The on-board voltage is too low because too many electrical consum-
ers are switched on.
XSwitch off electrical consumersthat you do not need, such as the
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating or seat
ventilation can be switched back on manually.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steerin gwheel or mirrors
Rfasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
Children could injure themselves if they
adjust the steerin gwheel. There is arisk of
injury.
When leaving the vehicle, alwayst ake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The electrically adjustable steerin gwheel can
still be adjusted when there is no SmartKey in
the ignition lock.
Steering wheel79
Seats, steering wheel and mirrors
Z

Adjusting thesteering wheel
:Adjusts th esteering whee lposition (fore-
and-af tadjustment)
;Adjusts th esteering whee lheight
iIf th edriver's door is open ,the steering
whee lcan be adjusted for up to 30 minute s
after th eignition has been switched off .
iFurther relatedsubjects :
REASY-ENTRY/EXIT feature (Ypage 80)
RStoring settings(Ypage 83)
Steering wheel heating
Switchin gon/off
:To switch on th esteering whee lheating
;To switch off th esteering whee lheating
=Indicato rlamp
The steering whee lheating warm sthe leather
areas on th esteering wheel.
XTo switch on: makesuret ha tthe SmartKey is
in position 1or 2in th eignition lock.
XTurn th elever in th edirection of arrow :.
Indicato rlamp =lights up.
XTo switch off :mak esuret hatthe SmartKey
is in position 1or 2in th eignition lock.
XTurn th elever in th edirection of arrow ;.
Indicato rlamp =goes out .
iThe steering whee lheating does no tswitch
off automatically.
iThe steering whee lheating may switch off
temporarily if:
Rth et em perature in th evehicl einterior is
abov e86‡ (30 †)
Rthet em perature of th esteering whee lis
abov e95‡ (35 †)
Indicato rlamp =remain son.
iThe steering whee lheating is deactivated if
you remove th eSmartKey from th eignition
lock.
Problemsw ith thesteering wheel heat-
ing
If steering whee lheating indicator lamp =is
flashing, th esteering whee lheating has
switched off automatically. The vehicle's elec -
trical system voltag eistoolow because to o
man yelectrical consumer sare switched on .
XSwitchoff electrical consumer sthaty ou do
no tn eed, suc hastherear window defroste r
or interior lighting .
Once th ebattery is sufficientl ycharged, th e
steering whee lheating will switch bac kon
automatically.
Steering wheel EASY-ENTRY/EX ITfea-
tu re
Import ant safety notes
GWARNIN G
When th eEASY-ENTRY/EXIT feature adjust s
th es teering whee land th edriver's seat ,you
and other vehicl eoccupant s–particularly
children –could become trapped .There is a
ris kofi njury.
Whil ethe EASY-ENTRY/EXIT feature is mak -
ing adjustments ,makes uret hatnoo nehas
any body part sintheswee poft heseat and
th es teering wheel.
80Steering wheel
Seats ,steering wheel and mirrors

Switching the ZONE function on/off
XTo switch on:press theábutton.
The indicator lamp in the ábutton lights
up.
The temperature settingf or the driver's side
is not adopted for the front-passenger side
and the rear compartment. The temperature
for the front-passenger side and the rear com-
partment is set separately.
XTo switch off: press theábutton.
The indicator lamp in the ábutton goes
out.
The temperature settingf or the driver's side
is adopted for the front-passenger side and
the rear compartment.
Defrosting the windshield
General notes
You can use this function to defrost the wind-
shield or to defrost the inside of the windshield
and the side windows.
Switch off the "Windshield defrosting" function
as soon as the windshield is clear again.
Activating/deactivating
XTurn the SmartKey to position 2in the igni-
tion lock (Ypage 104).
XTo activate: press the¬button.
The indicator lamp in the ¬button lights
up.
The climate control system switches to the
following functions:
Rcooling with air dehumidification on
Rhigh airflow
Rhigh temperature
Rair distribution to the windshield and front
side windows
Rair-recirculation mode off
XTo deactivate: press the¬button.
The indicator lamp in the ¬button goes
out. The previously selected settings are
restored. The cooling with air dehumidifica-
tion function remains on. Air-recirculation
mode remains deactivated.
Activating/deactivating MAX COOL
maximum cooling
The MAX COOL function is only available in vehi- cles for the USA.
MAX COOL is only operational when the engine
is running.
XTo activate: press theÙbutton.
The indicator lamp in the button lights up.
XTo deactivate: press theÙbutton.
The indicator lamp in the Ùbutton goes
out. The previously selected settings are
restored.
When you activate MAX COOL, the following
functions are also switched on:
Rmaximum cooling
Rmaximum airflow
Rair-recirculation mode
Defrosting the windows
Windows fogged up on the inside
XActivate the Ácooling with air dehumidi-
fication function.
XActivate the Ãautomatic mode.
XIf the windows continue to fog up, activate the
"Windshield defrosting" function (Ypage 99).
iYou should only select this settingu ntil the
windshield is clear again.
Windows fogged up on the outside
XSwitch on the windshield wipers (Ypage 92).
XPress the _button repeatedly until the
P orO symbol appears in the display.
iYou should only select this settingu ntil the
windshield is clear again.
iIf you clean the windows regularly,t hey do
not fog up so quickly.
Activating/deactivating windshield
heating
GWARNING
Any accumulation of snow and ice should be
removed from the windshield before driving.
Operating the climate control system99
Climatec ontrol
Z

Otherwise, your vision may be impaired,
which could endanger you or others.
XTurn the SmartKey to position2in the igni-
tion lock (Ypage 104).
XTo activate: press button ;.
Indicator lamp :lights up.
XTo deactivate: press button;.
Indicator lamp :goes out.
At outside temperatures above 50 ‡(10 †) the
windshield heating cannot be activated. Indica-
tor lamp :lights up briefly whe nyou attempt to
activate it and then goes out again.
The windshield defroster has ahigh current
draw .You should therefores witch it off as soon
as the windshield is clear. Otherwise the wind-
shield heating switches off automatically after
10 minutes. When the windshield heating is switched on for
the fourth time in
arow, it switches off auto-
matically after 5minutes.
Indicator lamp :flashes if too many electrical
consumers are switched on at the same time
whe nthe battery voltage is low.A fter approx-
imately 30 seconds the windshield heating
switches off automatically.
Switchin gthe rear window defroster
on/off
General notes
The rear window defroster has ahigh current
draw .You should therefores witch it off as soon
as the rear window is clear. Otherwise, the rear
window defroster switches off automatically
after severalm inutes.
If the battery voltage is too low,t he rear window
defroster may switch off.
Activating/deactivating
XTurn the SmartKey to position 2in the igni-
tion lock (Ypag e104).
XPress the ¤button.
The indicator lamp in the ¤button lights
up or goes out.
Problems with the rear window defroster
ProblemPossible causes/consequence sand MSolutions
The indicator lamp in the
¤ button flashes.The on-board voltage is too low.
XSwitch off any consumers that are not required,e .g. reading lamps,
interio rlighting or the seath eating.
The rear window
defroster has deactiva-
ted prematurelyorcan-
not be activated.The battery has not beens ufficiently charged.
XSwitch off any consumers that are not required,e .g. reading lamps,
interio rlighting or the seath eating.
100Operating the climate control system
Climate control

Switching air-recirculation mode
on/off
General notes
If you switch on air-recirculation mode, the win-
dows can fog up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows from fog-
ging up.
Activating/deactivating
XTurn the SmartKey to position 2in the igni-
tion lock (Ypage 104).
XTo activate: press thedbutton.
The indicator lamp in the dbutton lights
up.
iAir-recirculation mode is automatically acti-
vated at high levels of pollution or at high out-
side temperatures. When air-recirculation
mode is activated automatically, the indicator
lamp in the dbutton is not lit.
Outside air is added after about 30 minutes.
XTo deactivate: press thedbutton.
The indicator lamp in the dbutton goes
out.
iAir-recirculation mode switches off auto-
matically:
Rafter approximately five minutes at outside
temperatures below approximately 41 ‡
Rafter approximately five minutes if cooling
with air dehumidification is deactivated
Rafter approximately 30 minutes at outside
temperatures above approximately 41 ‡
(5 †)
Switching the residual heat on or off
General notes
The residual heat function is only available on
vehicles for Canada.
It is possible to make use of the residual heat of
the engine to continue heating the stationary
vehicle for up to 30 minutes after the engine has
been switched off. The heating time depends on the set interior temperature.
Activating/deactivating
XTurn the SmartKey to position gin the igni-
tion lock (Ypage 104) or remove it.
XTo activate: press theÁbutton.
The indicator lamp in the Ábutton lights
up.
iThe blower will run at alow speed regardless
of the airflow setting.
iIf you activate the residual heat function at
high temperatures, only the ventilation will be
activated.
XTo deactivate: press theÁbutton.
The indicator lamp in the Ábutton goes
out.
Residual heat is deactivated automatically:
Rafter approximately 30 minutes
Rwhen the ignition is switched on
Rif the battery voltage drops
Rif the coolant temperature is too low
Air vents
Important safety notes
GWARNING
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbitei n
the immediate vicinity of the air vents. There
is ar isk of injury.
Make sure that all vehicle occupants always
maintain asufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air ventsi nto the vehicle interior,
please observe the following notes:
Rkeep the air inlet between the windshield and
the hood free of blockages, such as ice, snow or leaves.
Rnever cover the air ventsora ir intake grilles in
the vehicle interior.
iFor virtually draft-free ventilation, adjust the
sliders of the air ventstot he center position.
iIf the automatic climate control constantly
differs from the set temperature or if unde-
Air vents101
Climatec ontrol
Z

Refueling
Important safety notes
GWARNING
Fue lish ighly flammable. If yo uhandlef uel
incorrectly, there is ariskoff ire and explo-
sion.
Yo um usta void fire ,ope nf lames ,creating
sparks and smoking. Switch off the engine
and ,ifa pplicable, the auxiliary heating before
refueling.
GWARNING
Fue lisp oisonous and hazardoustoh ealth.
There is ariskofi njury.
Yo um ustm ake sure that fue ldoe sn ot come
into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keepf uelawa yfrom children.
If yo uoro thers come into contact with fuel,
observe the following:
RWash away fue lfrom skin immediately
using soapa nd water.
RIf fuelcomesi nto contact with your eyes,
immediately rins ethem thoroughly with
clean water. Seek medica lassistance with-
outd elay.
RIf fuelisswallowed, seekm edicalassis-
tance withoutd elay.Don ot induce vomit-
ing.
RImmediately change outofc lothing which
hasc ome into contact with fuel.
GWARNING
Electrostatic buildu pcan create sparks and
ignite fue lvapors. There is ariskoff ire and
explosion.
Alway stouch the vehicl ebodyb efore opening
the fue lfille rflaport ouching the fue lpum p
nozzle .Any existing electrostati cbuildup is
thereby discharged.
Do not get into the vehicl eagain during the refu-
eling process .otherwise electrostati ccharge
could buil dupagain.
!Do not us ediese ltor efuel vehicles with a
gasoline engine. Do not switch on the ignition
if yo uaccidentall yrefuel with the wrong fuel.
Otherwise, the fue lwille nter the fue lsys tem.
Even small amounts of the wrong fue lcould
resul tind amagetot he fue lsystem and the
engine. Notify aquali fied specialist workshop
and have the fue ltank and fue llin es drained
completely.
!Overfilling the fue ltank could damag ethe
fue lsystem.
!Take care not to spill any fue lonpainted
surfaces. Yo ucould otherwise damag ethe
paintwork.
!Use afilter when adding fue lfrom afue lcan.
The fue llin es and/or the fue linjection system
could otherwise be blocked by particles from
the fue lcan.
If yo uoverfil lthe fue ltank, fue lcould spray out
when the fue lpum pnozzle is removed.
If yo uoverfil lthe fue ltank, pressure may build
up in the fue ltank. Thisc ould ca
use fue
ltospray
outw hent he fue lpum pnozzle is removed.
There is ariskofi njury. The fue ltank is ful lwhen
the fue lpum pnozzle firs tswitches off. End the
refueling process.
For further information on fue land fue lquali ty
(
Ypage 276).
Refueling
General information
Paya ttention to the important safety notes
(Ypage 118).
If yo uunlock/lock the vehicl efrom the outside,
the fue lfille rflapa lsou nlocks/locks.
The position of the fue lfille rcap is displayed in
the instrument cluster 8.The arrow next to
the filling pump indicates the sid eofthe vehicle.
118Refueling
Driving and parking

Fuelconsumptio nalsoi ncreases whe ndriving in
cold weather, in stop-start traffi cand in hilly ter-
rain.
Drinking and driving
GWARNING
Drinking and driving and/o rtaking drugs and
driving are very dangerous combinations.
Even asmall amount of alcoholord rugs can
affect your reflexes,p erceptions and judg-
ment.
The possibility of aseriousore ven fatalacci-
dent is greatly increased whe nyou drink or
take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has bee ndrinking or tak-
ing drugs.
Emissionc ontrol
GWARNING
Combustio nengines emitp oisonousexhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is ar isk of fata linjury. Therefore never leave
the engine running in enclosed spaces with-
outs ufficient ventilation.
Certai nengine systems are designe dtokeep
the level of poisonousc omponents in exhaust
fume swithin legal limits.
These systems only wor katpeakefficiency if
they are serviced exactl yinaccordance with the
manufacturer's specifications. Alway shave
wor kont he engine carried outata qualified
specialist workshop.M ercedes-Benz recom-
mends that yo uuse an authorized Mercedes-
Benz Center for this purpose. In particular, work
relevant to safety or on safety-related systems
mus tbec arried outata qualified specialist
workshop.
The engine setting smustn ot be changed under
any circumstances. Furthermore,a llspecific
service wor kmustb ec arried outatr egular
intervals and in accordance with the Mercedes-
Benz service requirements. You can obtain cur-
rent information concerning the servicing of
your vehicle at any time from aquali fied spe-
cialist workshop.T hiscould be an overvie wof the maintenance wor
korany additional main-
tenance work, for example.
Brakes
Important safety notes
GWARNING
If yo ushift downonaslippery roads urface in
an attemp ttoincrease the engine's braking
effect, the drive wheels could los etheirg rip.
There is an increased danger of skidding and
accidents.
Do not shift downf or additional engine brak-
ing on aslippery roads urface.
GWARNING
If yo uselect the LOW RANG Eoff-roadg earon
as lippery roads urface,the wheels could lose
traction:
Rif yo uremove your foot from the accelera-
tor pedal whe ndriving
Rif off roadA BS intervenes whe nbraking
If the wheels los etraction. the vehicle can no
longer be steered. There is an increased dan-
ger of skidding and accidents.
Nevers elect the LOW RANG Eoff-roadg ear
whe ndriving on slippery roads urfaces.
Information on the parking brake (
Ypage 121).
Downhillg radients
!On long and steep gradients, yo umust
reduce the loa donthe brakes by shifting to a
lower gearing oodtime. Thisa llow syou to
take advantage of the engine's braking effect.
Thish elps yo utoavoid overheating the
brakes and wearing them oute xcessively.
Wheny outake advantage of engine braking, a
drive wheel may not turn for some time, e.g.
on aslippery roads urface.Thisc ould cause
damag etothe drive train. Thist ypeofd amage
is not covered by the Mercedes-Benz war-
ranty.
Thisa lsoa pplies if cruise control or DISTRONIC
PLUS is activated.
Drivin gtips123
Drivin gand parking
Z