2018 MERCEDES-BENZ G-CLASS SUV engine

#
When driving on unpa vedro ads or off-
ro ad, regular lych eck theve hicle under‐
side. #
Remo vetrapped plants or other flam‐
mable material, in particular. #
Ifth ere is damage, consult a qualified
specialist workshop immediately. When driving off-road, subs
tances su chas sand,
mud and water orwate r mixed with oil may get
into the brakes. This may lead toare duction in
braking ef fect or total brake failure as a result of
increased wear. The braking characteristics will
va ry depending on the material that has entered
th e sy stem. Clean the brakes af ter driving off-
ro ad. If youth en notice reduced braking ef fect
or hear scraping noises, ha vethe brake sy stem
ch ecked at a qualified specialist workshop.
Ad just your driving style to thech anged braking
ch aracteristics. *
NO
TEDama gecaused bydriving over
obs tacles The
vehicle can be damaged by:
R driving up on high kerbs or unpa ved
ro ads.
R quickly driving over obs tacles su chas
ke rbs, speed bumps or po tholes.
R heavy objects hitting the underbody or
ch assis components. #
Do not drive over obs tacles that could
damage theve hicle. #
Check theve hicle regular lyfor dama ge
during off-road driving. #
Adjust theve hicle speed tosuit the
ro ad sur face conditions. #
Ifth ere is damage, consult a qualified
specialist workshop immediately. +
ENVIRONMENTAL
NOTEEnvironmental
dama gedue tonon-obser vance of pro‐
hibition signs Environmental pr
otection has priority. Treat
nature with respect. #
Be sure toobser veprohibition signs. Checklist before driving off-road
Check
thefo llowing points before driving off-
ro ad:
R Fuel le vel
R Engine oil le vel:fill engine oil up tothe maxi‐
mum le velto ensure full gradeability
(/ page 377).
R AdBlue ®
fill le vel of at least 10litres
R Tyre-change tool kit and spare wheel
R Tyres and wheels
Off-road driving
Re ad this section before driving your vehicle off-
ro ad. Practise bydriving over more gentle off-
ro ad terrain firs t. 14 6
Driving and pa rking

R
Obser vethe no tes on the cross-country ABS
(/ page 179).
R Before driving off-road, shift the transfer
case totheLOW RANGE off-road gear
(/ page 159).
R Engage the dif fere ntial lo cks if necessary
(/ page 161).
In LOW RANGE off-road gear or with the dif fer‐
ential loc ksengaged, theve hicle switches toG-
mode (/page 152).
In LO W RANGE off-roadgear, you can shift from
h tok and from itok without having to
depress the brake pedal. This can help you, for
ex ample, when rock ing your vehicle out of a rut
("rocking free").
R Alw ayske ep the engine running and in gear
when driving on downhill gradients and
slopes. Obse rveth e no tes on driving in
mountainous terrain.
R Do not drive on unknown terrain that is not
easily visible and stay on mar kedro utes.
R Alw ayske ep the doors and windo wsclosed
while theve hicle is in motion. R
Deactivate Active Dis tance Assi st
DISTRONIC, cruise control and theva riable
limiter.
R Adapt your driving style to thete rrain.
R Do not use the HOLD function on steep
downhill or uphill gradients with slippery or
loose sur faces.
Driving on sand
When driving on sand, also obser vethefo llowing
instructions:
R Swit chtothe Desert drive prog ram (a vailabil‐
ity depending on country) (/ page151).
R Shift toa lo werge ar.
R Drive quickly to overcome thero lling resist‐
ance, otherwise theve hicle may dig itself in.
R Drive in the trac ksofother vehicles if possi‐
ble. Make sure that thefo llowing prerequi‐
sites are me t:
- the tyre ruts are not too deep
- the sand is firm enough
- the ground clearance is suf ficient
R Lowe rth e tyre pressure in all four wheels. Contrary
tothe information on the tyre pres‐
sure plate (fuel filler flap), you can lo werthe
tyre pressu reto120 kPa (1.2 bar/1 7.4 psi).
Mercedes-AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
% Once youstop driving on sand, immediately
increase the tyre pressure again.
Information on there commended tyre pres‐
su re forth eve hicle's factor y-fitted tyres can
be found on the tyre pressure table on the
inside of the fuel filler flap (/ page410).
Fo rding
Also obser vethefo llowing information when
fo rd ing:
R Drive at no more than 10 km/h.
R Obser vethe maximum permissible ford ing
dep th (/ page 438).
R Switch off automatic climate control
(/ page 133).
R Vehicles with stationary heater/ventila‐
tion: switch thest ationary heater/ ventilation
off (/ page 135). Driving and pa
rking 147

R
Ensu rethat a bow wave does not form asyou
drive.
R Do not stop in thewate r and do not switch
off the engine. Ensure the ECO start/ stop
function is switched off (/ page149).
Driving in mountainous terrain
Also obser vethefo llowing information when
driving in moun tainous terrain:
R Obse rveth eva lues of the approach/depar‐
ture angle and of the maximum gradient
(/ page 438).
R Enga gethe dif fere ntial lo cks if necessary
(/ page 161).
R Avoid high engine speeds.
R Use the braking po wer of the engine when
driving downhill.
R Shift toa lo werge ar on uphill gradients and
on long, steep downhill gradients.
Checklist af ter driving off-road
Off-road driving terrain places greater demands
on your vehicle than driving on no rmalroads.
Check the entire vehicle for dama geand fore ign bodies
everytime af ter driving off-road. Foreign
bodies in the wheels or driv etra in can lead to
imbalances and therefore vibrations.
R Shift the transfer case tothe on-ro ad posi‐
tion HIGH RANGE.
R Disengage the dif fere ntial lo cks.
R Apply the brakes todry them af terfo rd ing.
R Check that the service brake is working nor‐
mally af ter a long downhill stre tch.
R Clean thefo llowing components everytime
af te r driving off-road:
- licence plate number
- headlamps and tail lamps
- tyres, wheels and wheel ar ches
- underbody
R After driving thro ugh sand, mud, water or
gr ave l, ha vethefo llowing components
ch ecked and cleaned:
- brake discs and brakepads
- tyres and wheels
- axle joints -
radiator ECO
start/s top function Ope
ration of the ECO start/s top function
Mercedes -AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
The engine is switched off au tomatical lyin the
fo llowing situations if all vehicle conditions for
an automatic engine stop are me t:
R you brake theve hicle toast andstill in trans‐
mission position hori.
if yo u swit chon the HOLD function or select a
dif fere nt transmission position than k, the
engine will automatically stop in thefo llowing
situations:
R youstop behind a vehicle that is pulling
aw ay.
R youstop at a stop sign when there is no vehi‐
cle in front of you.
R you turn thesteering wheel hard at a low
speed. 14 8
Driving and pa rking

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

%
The drive program C (Comfort)is automati‐
cally active af terst arting theve hicle. Configuring drive prog
ram I Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT
5 Individual #
Select the individual setting. Switching
the operation feedba ckfor drive
prog rammes on/o ff Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT #
Switch User notification onO or off ª.
When this function is active, a cor responding
message is shown in the media display when
a drive prog ramme is selected with the
DY NA MIC SELECT switch. Displaying
vehicle data Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT #
Select Vehicle data.
The following information is displa yed:
R Compass
R Wheel angle
R Incline
R Gradient
R Altitude
R LOW RANGE (/page 159)
R Locking (/ page160) Displaying engine data
Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT #
Select Engine data.
% The values for engine output and engine tor‐
qu e may deviate from the nominal values. Items
that can influence this are, forex am‐
ple:
R Sea le vel
R Fuel grade
R Outside temp erature G-Mode
G-Mode is an additional drive prog ram for off-
ro ad journe ysand is not suitable for use on firm
ro ad sur faces. G-Mode is automatical lyactiva‐
te d, if one of thefo llowing conditions is me t:
R you shift the transfer case totheLO W
RANGE off-road gear (/ page159).
R you en gage at least one dif fere ntial lo ck
( / page 161).
The Gindicator appears in the instrument clus‐
te r.
G-Mode is automatically deactivated again, if the
fo llowing conditions are me t:
R you shift the transfer case tothe on-ro ad
position HIGH RANGE. 15 2
Driving and pa rking

R
you disen gage all dif fere ntial lo cks.
Not all driving and driving saf ety sy stems are
av ailable in G-Modeunder cer tain circums tan‐
ces. Obser vethe sy stem limits of the transfer
case (/ page159) and the dif fere ntial lo cks
( / page 160).
It is not possible tochange the drive prog ram
with theDY NA MIC SELECT switch in G-Mode.
The DYNA MIC SELECT switch only works again
when G-Mode has been deactivated. Au
tomatic transmission DIRECT SELECT le
ver Fu
nction of the DIRECT SELECT le ver &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position j.
R starting the engine. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theke y out of there ach of chil‐
dren. &
WARNING Risk of accident due toincor‐
re ct gearshifting
If th e engine speed is higher than the idle
speed and you en gage the transmission posi‐
tion hork, theve hicle may accelerate
sharply. #
Ifyo u en gage the transmission position
h ork always depress the brake
pedal firm lyand do not accelerate at
th e same time. Use
the DIRECT SELECT le verto shift the trans‐
mission position. The cur rent transmission posi‐
tion is displ ayed in the multifunction displa y. Driving and pa
rking 15 3