light MERCEDES-BENZ G-CLASS SUV 2018 Workshop Manual

#
Toswitch on the ignition: press button 1
twice.
The indicator lamps in the instrument clus ter
light up.
The ignition is switched off again if one of the
fo llowing conditions is me t:
R you do not start theve hicle within
15 minutes.
th e transmission is in position jorthe
electric parking brake has been applied.
R you press but ton1 once. St
arting theve hicle St
arting theve hicle with thest art/s top but‐
ton
Requ irements:
R theke y is located in theve hicle and thekey
battery is not dischar ged. #
Shift the transmission toposition jori. #
depress the brake pedal and press button 1
once. #
Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
once. #
Ifth eve hicle still does not start and the
Place the key in the marked space See Own-
er's Manual display message also appears in
th e multifunction display: start theve hicle in
emer gency operation mode.
Yo u can swit choff the engine while driving by
pressing button 1for about thre e seconds. Be
sure toobser vethe saf ety no tes under "Driving
tips".
St arting theve hicle in emer gency operation
mode
If th eve hicle does not start and thePlace the
key in the marked space See Owner's Manual
display message appears in the multifunction
displa y,yo u can start theve hicle in emer gency
operation mode. #
Makesure that mar ked space 1is em pty. #
Remo vekey3 from theke yring. #
Place key3 in mar ked space 1next tothe
symbol 2.
The vehicle will start af ter a short time.
If yo ure mo vekey3 from mar ked space 1
th e engine continues running. For fur ther
ve hicle starts ho wever,ke y3 must be loca‐
te d in mar ked space 1during the entire
journe y. #
Have theke y3 checked at a qualified spe‐
cialist workshop. 14 2
Driving and pa rking

#
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time
while driving. *
NO
TECausing wearto the brake linings
by permanently depressing the brake
pedal #
Do not permanently depress the brake
pedal while driving. #
Touse braking ef fect of the engine,
shift toa lo werge ar in good time. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle until the engine has reached
its operating temp erature. *
NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel The engine is not
running smo othly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter. #
Only depress the accelera tor pedal
slightl y. #
Have the cause rectified immediately at
a qu alified specialist workshop. Limited braking ef
fect on salt-trea tedro ads:
R due tosalt build-up on the brake disks and
brakepads, the braking dis tance can increase
conside rably or result in braking only on one
side
R maintain a much greater safe dis tance tothe
ve hicle in front
To preve nt salt build-up:
R brake occasionally while paying attention to
th e tra ffic conditions R
carefully depress the brake pedal at the end
of the journey and when starting the next
journey Note
s on off-road driving &
WARNING Risk of accident if you do not
ke ep toline of fall on inclines
If yo u drive at an angle or turn on an incline,
th eve hicle could slip side ways, tip and roll‐
ove r. #
Alw ays drive on inclines in the line of
fa ll (straight up or down) and do not
turn. &
WARNING Risk offire due toflammable
materials on hot parts of theex haust
sy stem
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem. Driving and parking
14 5

The engine is
restar ted automatically if:
R youre lease the brake pedal in transmission
position hwhen the HOLD function is not
active.
R you en gage transmission position hork.
R you depress the accelera tor pedal.
R youch ange theve hicle le vel.
R an automatic engine start is necessar y.
If th e engine was switched off bythe ECO start/
st op function and you lea vetheve hicle, a warn‐
ing tone sounds and the engine is not restar ted.
The display message Vehicle is operational
Switch off the ignition before exiting also
appears in the multifunction displa y.Ifyo u do
not swit choff the ignition, the ignition is auto‐
matically switched off af terth re e minutes. Deactivating or activating
the ECO start/
st op function #
Press button 1.
A display appears in the instrument clus ter
when swit ching the ECO start/ stop function
off/on.
% A continuous display appears in the instru‐
ment clus ter while the ECO start/ stop func‐
tion is deactivated. ECO display function
The ECO display summarises
the driving charac‐
te rist ics from thest art of the journey toits com‐
pletion and assists you in achieving the most
economical driving style.
Yo u can influence consum ption if you:
R drive with particular care
R drive theve hicle in drive program ;.
R obser vethege arshift recommendations The inner segment lights up green and
the outer
segment fills up:
R 1 Moderate acceleration Driving and parking
14 9

R
2 Gentle deceleration and rolling
R 3 Consis tent speed
The inner segment is gr eyand the outer seg‐
ment em pties:
R 1 Sporty acceleration
R 2 Heavy braking
R 3 Fluctuations in speed
Yo u ha vedriven economically when:
R theth re e outer segments are comple tely fil‐
led simultaneously
R the ECO display border lights up
The additional range achi eved as a result of your
driving style in comparison with a driver with a
ve ry sporty driving style is shown under Bonus
from start . Therange displ ayed does not indi‐
cate a fixe dre duction in consum ption. DY
NA MIC SELECT switch Fu
nction of theDY NA MIC SELECT switch Mercedes-AMG
vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
Use theDY NA MIC SELECT switch tochange
between thefo llowing drive programs:
R I (Individual): individual settings
R S (Sport): sporty driving style
R C(Comfort): comfortable and economical
driving style
R E (Eco): particular lyeconomical driving style
R Deser t:driving prog ram optimised for driving
on sand
Only change totheDesert driving program on
sand and not on public roads. The availability of
th is function is dependent on the count ry.
The drive program C (Comfort)is automatically
active af terst arting theve hicle. Depending on
the drive program selected, the
fo llowing vehicle characteristics will change:
R drive
-
engine and transmission management
- Active Dis tance Assi stDISTRONIC
R ECO start/ stop function
R ESP ®
R steering
R Vehicles with adjustable damping: sus‐
pension
Properties of the Desert drive prog ram: &
WARNING Risk of accident in drive pro‐
gram Dese rtdue torestricted function of
th e ESP ®
Not all functions of the ESP ®
are available in
th e Desert drive program, e.g. thest abilisa‐
tion function is deactivated, among others.
The wheels can lock while braking and the
braking dis tance is increased. 15 0
Driving and pa rking

Only use
the Desert driving program on sand
and not on public roads. %
The availability of this function is dependent
on the count ry.
R Restricted road suitability
R ESP ®
and ABS specially adap tedfo r sand
R Vehicle stabilisation deactivated
The following driving and driving saf ety sy stems
are deactivated in the drive program Desert:
R Active Parking Assist
R Drive AwayAssi st
R Cross Traf fic Alert
R Active Dis tance Assi stDISTRONIC
R Active Lane Keeping Assist
R cruise control
R Limiter
R Active Brake Assi st
R Attention Assi st
R ESP ®
trailer stabilisation Selecting
the drive prog ram #
Press DYNA MIC SELECT switch 1forw ards
or backwards.
The selec ted drive program appears in the
multifunction display in the instrument clus‐
te r and in the multimedia sy stem displa y.Selecting
the Desert drive prog ram
% The availability of thefo llowing function is
countr y-dependent. #
Change todrive prog ram E (Eco). #
Press and hold theDY NA MIC SELECT switch
1 backwards for appro x.thre e seconds.
A visual and acoustic message is emitted. #
Confirm the selection with the left touchpad
but ton on thesteering wheel.
The Desert drive progr. active ESP unavaila-
ble See Owner's Manual message appears in
th e instrument clus ter.The ESP ®
and ABS
wa rning lamps light up.
% Obser vethe no tes on the Desert ESP ®
(/ page 182).
% A visual and acoustic messa geis emit ted
again when the driver's door is opened while
th e engine is running todraw attention to
re stricted road suitability in case of a change
of drivers. #
Press theDY NA MIC SELECT switch 1for‐
wa rdsto deactivate the Desert drive pro‐
gram. Driving and parking
151

#
Press LOW RANGE 1button.
Indicator lamp 2flashes. The shift request
st ay s active for a maximum 30 seconds. If all
re qu irements for shift operation are not fulfil‐
led within this time, the indicator lamp 2
switches off again and the shift operation
must be star ted again. #
Switch the transmission toposition i.
If shift operation is successful, the message
LOW RANGE on appears inthe instrument
clus ter,an audible signal sounds and the
indicator lamp 2lights up continuousl y.The
ve hicle changes automatically totheG-Mode
drive prog ram. #
Shift the transmission toposition h.
% The vehicle stay s in LOW RANGE if you park
th eve hicle in LOW RANGE, even af terthe
engine has been restar ted. The G-Mode drive
program continues tobe active
(/ page 152). In
the on-road position, shift toHIGH RANGE
Re quirements:
R the engine is running and you are not driving
fast erthan 70 km/h.
R
R the transmission is in position i. #
Press LOW RANGE 1button.
The shift requeststay s active for a maximum
30 seconds. If all requ irements for shift oper‐
ation ha venot been ful filled within this time,
shift operation must be star ted again. #
Shift the transmission toposition i.
If shift operation is successful, the message
LOW RANGE off appears inthe instrument
clus ter,an audible signal sounds and the
indicator lamp 2goes out. #
Shift the transmission toposition h. Dif
fere ntial loc ks Fu
nction of the dif fere ntial lock &
WARNING Risk of accident when di ffer‐
ential lock is disengaged on a firm sur‐
fa ce
If yo u en gage differe ntial lo cks when driving
on a firm , high-t raction su rface, thesteerabil‐
ity of theve hicle is se verely restricted. Yo u
could lose control of theve hicle, especially
when engaging on a bend. #
Alw ays disengage the dif fere ntial lo cks
immediately on a firm , high-t raction
su rface. &
WARNING Risk of accident due todeac‐
tivated driving saf ety sy stems
When the dif fere ntial lo cks are engaged,
ABS, 4ETS, ESP ®
and BAS are deactivated.
Because of this, the wheels can lock while
braking and the braking dis tance is
increased. 16 0
Driving and pa rking

#
Alw ays disengage the dif fere ntial lo cks
immediately on a firm , high-t raction
su rface. Dif
fere ntial lo cks impr ovethe traction of the
ve hicle when driving off-road and ford ing. The
vehicle has thre e dif fere ntial lo cks:
R the dif fere ntial lo ckforth e transfer case 1
disables thero tational speed compensation
between the front and rear axles.
R the dif fere ntial lo ckforth ere ar axle 2disa‐
bles thero tational speed compensation
between the wheels of there ar axle.
R the dif fere ntial lo ckforth e front axle 3dis‐
ables thero tational speed compensation
between the wheels of the front axle.
Sy stem limits
If th e dif fere ntial lo cks are engaged, thefo llow‐
ing driving and driving saf ety sy stems are deacti‐
va ted:
R ABS( /page 178)
R Active Dis tance Assi stDISTRONIC
(/ page 190)
R Active Brake Assi st
R Active Parking Assist(/ page 207)
R Active Lane Keeping Assist(/ page219)
R BAS(/ page179)
R Hill Start Assist(/ page194) R
ECO start/ stop function (/ page148)
R ESP ®
(/ page 179)
R HOLD fu nction (/ page 195)
R limi ter (/ page187)
R cruise control (/ page 186)
R Blind Spot Assi st(/ page 217) Swi
tching dif fere ntial lock off/on Applies dif
fere ntial lock
Re quirements:
R You are not driving on a pa ved or public road.
R you are driving at walking pace.
R the driven wheels are not spinning. #
You can en gage the dif fere ntial lo cks in the
fo llowing order: 1,2, 3. Then press the
re spective buttons. Only engage the dif fere n‐
tial lo ck2 and 3forth e front and rear
axle if requ ired.
If all conditions ha vebeen fulfilled, the activation
indicator lamps 5light up. As soon as the dif‐ Driving and parking
161

fe
re ntial lo cks are active, the function indicator
lamps 4light up.
The message Differential lock active ABS and
ESP not available andthewa rning and indicator
lamps å÷!on the instrument clus‐
te r appear.
% If one or more requ irements ha venot been
ful filled, the message Switch-on conditions
Differential lock not fulfilled appears.
The gear change must be restar ted.
Disengaging the dif fere ntial loc ks #
Press the buttons in thefo llowing order 3,
2, 1.
or #
Tosimultaneously disengage all dif fere ntial
lo ck s: press button 1.
or #
Todisengage the dif fere ntial lo cksfo rthe
re ar and front axles: press button 2.
The dif fere ntial lo cks are only disengaged when
th e function indicator lamps are gone out again
4. If
yo u park theve hicle with the dif fere ntial lo cks
engaged, they will be deactivated automatically
when theve hicle is star ted again. In some cases,
yo u ha vetodrive a few metres before the dif fer‐
ential loc ksare proper ly disengaged. Therefore,
ch eck if the function indicator lamps ha vegone
out when youre start theve hicle 4.
Obser veany information which may be displa yed
in the instrument clus ter:
R Warning and indicator lamps
R Display messages Fu
nction of the 4MATIC
4MATIC ensures that all four wheels are driven
when needed. Toge ther with ESP ®
and 4ETS,
4MATIC impr ovesth e traction of your vehicle
whene ver a driven wheel spins due toinsuf fi‐
cient traction.
If yo ufa ilto adapt your driving style, 4MATIC can
neither reduce therisk of an accident nor over‐
ri de the la wsof ph ysics. 4MATIC cannot take
account of road, weather and traf fic conditions.
4MATIC is only an aid. You are responsible espe‐ cially
for maintaining a safe dis tance from the
ve hicle in front, forve hicle speed, for braking in
good time and forst ay ing in lane.
% In wint ryroad conditions, the maximum
ef fect of 4MATIC can be achie ved only if you
use winter tyres (M+S tyres), with sn ow
ch ains if necessar y. Re
fuelling Re
fuelling theve hicle &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, naked flames, smoking and crea‐
tion of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. 16 2
Driving and pa rking

To
pping up AdBlue ® #
Screw disposable hose 1onto thefiller
neck of theve hicle until hand-tight. #
Lift up and tip AdBlue ®
re fill canis ter2.
The filling process stops when theAd Blue ®
ta nk is compl etely full.
Ad Blue ®
re fill canis ter2 can be remo ved
when it has been only partially em ptied. #
Unscr ew and close disposable hose 1and
Ad Blue ®
re fill canis ter2 inreve rse order. #
Replace theAd Blue ®
fuel filler cap and turn it
clockwise. #
Close the fuel filler flap. #
Swit chon the ignition for at least 60 sec‐
onds.
% Ifth eve hicle could not be star ted as the
Ad Blue ®
tan kwa s em pty, it can take up to
60 seconds forth ere fill to be de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re fill con tainers per‐
manently in theve hicle. Pa
rking Pa
rking theve hicle &
WARNING Risk of accident and inju ry
caused byan insuf ficiently secu redve hi‐
cle rolling away.
If th eve hicle is not securely par ked suf fi‐
ciently, it can rollaw ay in an uncont rolled
wa yev en at a slight downhill gradient. #
Ensure that the par kedve hicle is alw ays
properly secured against rolling away as
fo llo ws: R
on uphill or downhill gradients, turn
th e front wheels so that theve hicle
ro lls towa rdsth eke rb if it starts
moving.
R apply the parking brake.
R switch the transmission toposition
j. &
WARNING Risk offire caused byhot
ex haust sy stem parts
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem or
ex haust gasflow. #
Park theve hicle so that no flammable
material can come into con tact wi thhot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. 16 8
Driving and pa rking

#
Point remo tecontrol 5from a di stance of
1 cm to8 cm towa rds buttons 1,2or3. #
Press and hold button 6ofremo tecontrol
5 until one of thefo llowing signals appears:
R Indicator lamp 4lights up green contin‐
uousl y.Programming is comple te.
R Indicator lamp 4flashes green. Pro‐
gramming was successful. Additionall y,
synchronisation of thero lling code with
th e door sy stem must also be car ried out. #
If indicator lamp 4does not light up or flash
green: repeat the procedure. #
Release all of the buttons.
% The remo tecontrol forth e door drive is not
included in the scope of delivery of the
ga rage door opener.
Synchronising thero lling code
Re quirements:
R The door sy stem uses a rolling code.
R The vehicle must be within range of the
ga rage door or door drive. R
The vehicle as well as persons and objects,
are located outside thera nge of mo vement
of the door. #
Press the programming button on the door
drive unit.
Initiate the next step within appr oximately
30 seconds. #
Press pr eviously prog rammed button 1,2
or 3 repeatedly until the door closes.
When the door closes, programming is com‐
ple ted.
% Please also read the operating instructions
fo rth e door drive.
Tr oubleshooting when prog ramming the
re mo tecont rol #
Check if the transmit ter frequency of remo te
control 5is suppo rted. #
Replace the batteries in remo tecontrol 5. #
Hold remo tecontrol 5atvarious angles at
a dis tance between 1 cm to8 cm in front of Driving and parking
171