oil pressure MERCEDES-BENZ G-CLASS SUV 2018 Owners Manual

Fu
nction of thera dar senso rs Some driving and driving sa
fety sy stems use
ra dar sensors tomonitor the area in front of,
behind or next totheve hicle (depending on the
ve hicle's equipment).
Depending on theve hicle's equipment, thera dar
sensors are integrated behind the bumpers
and/or behind the Mercedes star. Keep these
parts free of dirt, ice and slush (/ page 386).
The sensors must not be co vered, forex ample
by cycle rack s, overhanging loads, sticke rs,fo il
or foils toprotect against stone chipping. In the
eve nt of dama getothe bumpers or radiator
grille, or following a collision impacting the
bumpers or radiator grille, ha vethe function of
th era dar sensors checked at a qualified special‐
ist workshop. The driver assis tance sy stem may
no longer workproperly. Overview of driving sy
stems and driving
saf ety sy stems In
this section, you will find information about
th efo llowing driving sy stems and driving saf ety
sy stems:
R 360° Camera (/ page 203)
R ABS (Anti-lock Braking System)
(/ page 178)
R Active Dis tance Assi stDISTRONIC
(/ page 190)
R Adaptive brake lights (/ page186)
R Active Brake Assi st
R Active Lane Keeping Assist (/ page219)
R ATTENTION ASSIST (/ page213)
R BAS (Bra keAssist System) (/ page179)
R Hill Start Assist (/ page194)
R EBD ( Electronic Brakeforce Distribution)
(/ page 183)
R ESP ®
(Electronic Stability Program)
(/ page 179)
R Active Speed Limit Assi st R
HOLD function (/ page 195)
R Speed limi ter (/ page187)
R Active Parking Assist (/ page 207)
R Parking Assist PARKTRONIC (/ page197)
R Reversing camera (/ page 201)
R Cruise control (/ page186)
R Blind Spot Assist (/ page217)
R Traf fic Sign Assi st (/ page 215)
R Damping adjustment (/ page 196) Fu
nctions of ABS (Anti-lock Braking Sy stem) ABS
regulates the brake pressure in critical driv‐
ing situations:
R During braking, e.g. at full brake application
or insuf ficient tyre traction, the wheels are
pr ev ented from locking.
R Vehicle steerability while braking is ensured.
If ABS inter venes when braking, you will feel a
pulsing in the brake pedal. The pulsating brake
pedal can be an indication of hazardous road 17 8
Driving and pa rking

Ve
hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (/ page 215). Ad
justing the in stru ment lighting #
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements of theve hicle interior is
adjus ted. Menus and submenus
Fu
nctions on the service menu of the on-
board compu ter On-board computer:
4 Service #
Toselect the function: swipe upwards or
down wards on the left-hand Touch Control. #
Press the left-hand Touch Control.
Fu nctions on theService menu:
R Message memory (/ page442)
R AdBlue: Adblue ®
ra nge and fill le vel
R Tyres:
- Check the tyre pressure with the tyre
pressure monitor (/ page411)
- Restart the tyre pressure monitor
(/ page 412)
R ASSYST PLUS : calls upthe service due date
(/ page 374)
R Vehicles with a widescreen cock pit:Cool-
ant : coolant temp erature display
R Engine oil level: engine oil le vel Calling up
the assistant display On-board computer:
4 Assistance
% Ve
hicles with the instrument display in
th e widescreen cockpit: whenyou ha ve
th e design set toProgressive ,yo u can view
th e assis tance graphic in the left-hand area
of the instrument displa y.
The following displa ysare available on the assis‐
ta nt displ aymenu:
R Assis tant displ ay
R Attention le vel (/ page 213) #
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control. 230
Instru ment Display and on-board computer

R
the windscreen wiper switch is in position
g.
R in car washes with a con veyo r sy stem: neu‐
tral iis engaged.
% Ifyo uwo uld like tolea vetheve hicle while it
is being washed, make sure theke y is loca‐
te d in theve hicle. The Bgear is other‐
wise automatically engaged.
% If, af terth e car wash, youre mo vethewax
from the windscreen and wiper rubbers, this
will pr event smearing and reduce wiper
noise. Information on using a high-p
ressure cleaner &
WARNING Risk of an accident when
using high-pressure cleane rswith circu‐
lar jet nozzles
The wate r jet of a circular jet nozzle (dirt
grinder) can cause extern ally invisible dam‐
age tothe tyres or chassis parts.
Components damaged in this wa y may unex‐
pec tedly fail. #
Do not use high-pressure cleaners with
circular jet nozzles toclean theve hicle. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damage to yourvehicle, obser vethefo l‐
lowing when using a high-pressure cleaner:
R maintain a dis tance of at least 30 cm tothe
ve hicle.
R vehicles with deco rative foil: parts of your
ve hicle are co vered with a decorative foil.
Maintain a dis tance of at least 70 cm
between thefo il-c ove red parts of theve hicle
and the nozzle of the high-pressure cleaner.
Mo vethe high-pressure cleaner nozzle
around whilst cleaning.
R obser vethe information on the cor rect dis‐
ta nce in the equipment manufacturer's oper‐
ating instructions.
R do not point the nozzle of the high-pressure
cleaner directly at sensitive parts such as
tyres, slits, electrical components, bat teries,
light bulbs and ventilation sl ots. Wa
shing theve hicle byhand *
NO
TEStepping on the wheel ar chflares
and bumpers may damage them If
yo u use the wheel ar chflares and bumpers
as a step, they may be dama ged or de tach
from theve hicle. #
Only use the two mar kedsteps on the
re ar bumper as a climbing aid. Re
quirements:
R obser vethe legal requ irements, e.g. in a
number of countries, washing byhand is only
permitted in specially designated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarmwate r using
a soft car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle off with water and
dry using a chamois. Take care not topoint
th ewate r jet directly towa rdsth e air inlet
grille. 382
Maintenance and care

Note
s on cleaning and car eA voiding vehicle damage
Ta ilpipes
Clean with cleaning agents recommended byMercedes-Benz,
particular lyin the winter and af terwa shing theve hicle. Do not use acidic cleaning agents.
Tr ailer hitch R
Remo vetraces of rust on the ball, e.g. with a wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, oil or grease the ball head lightl y.
R Obser vethe no tes on care in the trailer hitch manufactur‐
er's operating instructions. Do not clean
the ball neck with a high-pressure cleaner or sol‐
ve nt. Note
s on care of the interior &
WARNING Risk of inju ryfrom pla stic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause su rfaces in the cockpit to
become porous. When
the airbags are deplo yed, plastic parts
may break away. #
Do not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit. &
WARNING Risk of inju ryor death from
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to
te ar or fail in an accident. #
Never blea chor dye seat belts. 388
Maintenance and care

Fo
r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 409)
R Tyre pressure table (/ page410)
R Notes on the emer gency spa rewheel
(/ page 424) Note
s on inter changing wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions
may se verely impair the driving characteris‐
tics.
The disk brakes or wheel suspension compo‐
nents may also be damaged. #
Rotate front and rear wheels on lyifthe
wheels and tyres are of the same
dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nder thege neral operating pe rmit in valid.
The wear pat tern s on the front and rear wheels
dif fer:
R Front wheels wear more on the shoulder of
th e tyre
R Rear wheels wear more in the cent reofthe
tyre
On vehicles with the same front and rear wheel
size, you can inter change the wheels every
5,000 to10,000 km, depending on thewe ar.
Ensure the direction of rotation is maintained for
th e wheels.
It is imperative toobser vethe instructions and
saf ety no tes on "Changing a wheel" when doing
so Preparing theve hicle for a wheel
ch ange( /page 419). Note
s onstoring wheels When
storing wheels, obser vethefo llowing
no tes:
R Afterre moving wheels, store them in a cool,
dry and preferably dark place.
R Protect the tyres from conta ct withoil,
grease or fuel. Ve
hicle tool kit overview The
vehicle tool kit contains:
R vehicle tool bag with:
- pump le verfo r jack
- wheel spanner with T-piece
- screwdriver (inser ted in a pump le ver)
- dismantling tool forro of rack (inser ted in
a pump le ver)
R jack with adapter 41 8
Wheels and tyres

Display messages
Possible causes/consequences and M
MSolutions
4 Engine oil pressure Stop
Switch off engine *D
isplay message only for cer tain engines:
The engine oil pressure is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil pressure #
Avoid driving with insuf ficient engine oil pressure. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Consult a qualified specialist workshop.
4 Add 1 litre engine oil when
next refuelling *D
isplay message only for cer tain engines:
The engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
When next refuelling, add 1 litre of engine oil.
To p up engine oil (/ page378).
No tes on engine oil (/ page 434).468
Display messages and warning/indicator lamps

Ac
tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ad aptive brake lights ..............................186
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Fu nction ............................................... 121
Switching on/off ................................. 12 3
Ad Blue ®
.................................................... 433
Ad ditives .............................................4 33
Capacity .............................................. 434
Fill le vel .............................................. .230
No tes ................................................... 16 6
Purity ................................................... 433
Ra nge ................................................. .230
To pping up ...........................................1 66
Ad ditional value range
Setting display content ........................ 228
Ad diti ves.................................................. 434
Ad Blue ®
............................................... 433
Engine oil ............................................ 434 Fu
el ..................................................... 431
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justable damping ................................ 19 6
Ad justing the balance/ fader
Burmes ter®
sur round sound sy stem ... 360
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 360
Ad justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ... 359
Ad versewe ather light ............................ .121
Af ter-sales service centre
see ASS YST PLUS
Air inlet see Air-water duct Air pressure
see Tyre pressure
Air vents ................................................... 14 0
Ad justing (front) .................................. 14 0
Ad justing (rear) .................................... 14 0
Air vents
see Air vents
Ai r-re circulation mode ............................ 13 4
Air-water duct .......................................... 381
Ke eping free ........................................3 81
Airbag ........................................................ .36
Ac tivation .............................................. 30
Fr ont airbag (driver, front passenger) ....36
Ins tallation locations ............................ .36
Knee airbag ........................................... 36
Overview ............................................... 36
PA SSENGER AIR BAG indicator lamp .... .40
Pr otection ..............................................37
Re duced pr otection ...............................38
Side impact airbag ................................ 36
Wi ndow airbag ....................................... 36
Alarm see Panic alarm 506
Index

Switching
the sur round sound on/off
............................................................ .360
Business telephony
Setting up an Internet connection ...... .326
Buttons Steering wheel .................................... 226 C
Call list Making a call ........................................3 11
Overview ..............................................3 11
Calling up the sound menu
Burmes ter®
sur round sound sy stem ... 359
Calls ..........................................................3 07
Ac cepting ............................................ 307
Ac tivating functions du ring a call ........ 308
Calls wi thseveral participants ............ .308
Declining ............................................. 307
Ending a call ........................................ 307
Incoming call during an existing call .... 308
Making ................................................ 307
Vi ath eov erhead control panel
(Mercedes me connect) ....................... 319Camera
see 360° Camera
see Reversing camera
Car key
see Key
Car wash
see Care
Car wash (care) ........................................3 81
Care .......................................................... 388
Air-water duct ...................................... 381
Car wash ............................................. 381
Carpet .................................................3 88
Decorative foil .................................... .384
Displ ay................................................ 388
Exterior lighting ................................... 386
High-pressure cleaner ......................... 382
Matt finish ........................................... 383
Pa int wo rk ............................................ 383
Plastic trim .......................................... 388
Re alwo od/trim elements ...................3 88
Re versing camera ................................ 386
Ro of lining ...........................................3 88
Seat belt .............................................. 388
Seat co ver ........................................... 388 Sensors ............................................... 386
Ta
ilpipes .............................................. 386
Tr ailer hit ch......................................... 386
Wa shing byhand ................................. 382
Wheels/rims ....................................... 386
Wi ndo ws .............................................. 386
Wi per blades .......................................3 86
Carpet (Care) .......................................... .388
Changing gears ........................................ 15 5
Manually ..............................................1 55
Changing hub caps .................................. 419
Changing the lights
Driving abroad (symm etrical dipped
beam) ................................................... 11 7
Cha rging
Bat tery (vehicle) .................................. 399
Mobile phone (wireless) .......................1 14
USB port ..............................................1 14
Child saf ety lock
Ac tivating/deactivating (multimedia
sy stem) ................................................ 267
Re ar door .............................................. 68
Re ar side wind ows................................. 69 51 0
Index

?Coolant
Stop vehicle Switch
engine off ............................................ 465
Cruise contro l and Limiter inope ra‐
tive ....................................................... 461
Cruise control inope rative ................... 460
Cruise control off ................................ 460
!cu rrently unavailable See Own‐
er's Manual ........................................ .449
÷cur rently una vailable See Own‐
er's Manual ........................................ .443
Desert drive progr. active ESP
una vailable See Owner's Manual .........481
ÿ Differe nt. lo cksys.
Malfunction ......................................... 482
ÿ Differe nt. lo cking sys. cooling
down Please wait................................ 484
Dif fere ntial lo ckactive ABS and ESP
not available ........................................ 480
5Engine oil le vel cannot be
measured ............................................ 466 4Engine oil le
velRe duce oil le vel...4 67
4 Engine oil le velSt op vehicle
Switch engine off ................................. 467
4Engine oil pressure Stop Switch
off engine ............................................ 468
Fa ult Drive at max. 80 km/h ...............458
Fo rding not possible Consult work‐
shop ....................................................4 85
6Fr ont left malfunction Consult
wo rkshop (Example) ............................4 54
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 53
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 52
Fr ont/re ar differe ntial lo cksystem
malfunction ......................................... 479
Gearbox pr otection Limit 30 km/h
Switch off LOW RANGE ....................... 484
b Hazard warning lamps mal‐
functioning .......................................... 490 &inoperative Bat
tery low .............. .488
&inoperative Refuel vehicle ........... 488
&inoperative See Owner's Man. ....487
! inope rative See Owner's Man‐
ual ....................................................... 450
÷inoperati veSee Owner's Man‐
ual ....................................................... 451
Tinoperati veSee Owner's Man‐
ual ....................................................... 447
G Inoperative .................................. 454
bIntellige nt Light System inoper‐
ative ....................................................4 88
ÁKe y not de tected (red displ ay
messa ge).............................................4 78
Á Key not de tected (white dis‐
pl ay messa ge)...................................... 478
b Left dipped beam (Example) ....... 489
6Left windowbag malfunction
Consult workshop (Example) ............... 451
Limiter inoperative ...............................4 61 Index
515