2018 MERCEDES-BENZ G-CLASS SUV ECU

Ra
ising theve hicle when changing a wheel Re
quirements:
R There are no persons in theve hicle.
R The vehicle has been prepared for a wheel
ch ange (/ page419).
R The hub caps havebeen remo ved
( / page 419).
Fi tting the jack #
Assemble pu mpleve r1. #
Place pump le ver1 with there cess on low‐
ering scr ew2 onthe jac k. #
Turn pump le ver1 clockwise as far as it will
go.
Lo we ring scr ew2 is closed. 3
Adapter
To raise theve hicle at the front: adapter3
must be secured on the jac k.
To raise theve hicle at there ar: remo ve
adap ter3 from the jac k. Impor
tant no tes on using the jack:
R Only use theve hicle-specific jack that has
been tested and appr ovedby Mercedes-Benz
to raise theve hicle.
R The jack is only designed forra ising and
holding theve hicle for a short time while a
wheel is being changed and not for mainte‐
nance workunder theve hicle.
R The jack must be placed on a firm ,fl at and
non-slip sur face. If necessar y,use a lar ge,
fl at, load-bearing, non-slip unde rlay.
R The jack may only be positioned at the jack
support point.
Ru les of conduct when theve hicle is raised:
R Never place your hands or feet under the
ve hicle.
R Never lie under theve hicle.
R Do not start the engine and do not release
th e electric parking brake.
R Do not open or close any doors or there ar-
end door. 420
Wheels and tyres

#
Using the wheel wrench, loosen the wheel
bolts on the wheel you wish tochange by
about one full turn. Do not unscr ewthe bolts
comple tely. &
WARNING Risk of inju ryfrom incor rect
positioning of the jack
If yo u do not position the jack cor rectly at
th e appropriate jacking point of theve hicle,
th e jack could tip with theve hicle raised. #
Only position the jack at the appropri‐
ate jacking point of theve hicle. The
base of the jack must be positioned ve
rtically under the jacking point of the
ve hicle. *
NO
TEVehicle damage from the jack If
yo u do not position the jack cor rectly at
th e appropriate jack support point of the
ve hicle, the jack could tip over with theve hi‐
cle raised. #
The jack is designed exclusively for
jacking up theve hicle at the jack sup‐
port points. Ra
ising theve hicle at the front #
Make sure that the adap ter is secured on the
jac k. #
Position jack 4onthe comfort bushing on
transverse link 5. #
Raise theve hicle bypumping until the tyre is
no more than 3 cm off the ground. #
Loosen and remo vethe wheel (/ page 422). Wheels and tyres
421

Ra
ising theve hicle at there ar #
Pull out the adap ter from the jac k. #
Position jack 4atthe jack support point of
axle car rier tube 6. #
Keep pumping until axle car rier tube 6sits
securely in there cess of the jack and the
base of the jack lies evenly on the ground. #
Raise theve hicle bypumping until the tyre is
no more than 3 cm off the ground. #
Loosen and remo vethe wheel (/ page 422). Re
moving a wheel Re
quirements:
R The vehicle is raised (/ page 420).
When changing a wheel, avoid applying any force
to the brake discs, since this could impair the
le ve l of com fort when braking.
* NO
TEDama getothre ading from dirt on
wheel bolts #
Do not place wheel bolts in sand or on
a dirty sur face. #
Unscr ew the wheel bolts. #
Remo vethe wheel. #
Fitthe new wheel (/ page 422). Fi
tting a new wheel Re
quirements:
R The wheel is remo ved (/ page 422). &
WARNING Risk of accident from losing a
wheel
Oiled, greased or damaged wheel bolt/wheel
nut thre ads or wheel hub/wheel mounting
bolt thre ads can cause the wheel bolts/
wheel nuts tocome loose.
As a result, you could lose a wheel while driv‐
ing. #
Never oil or grease theth re ads. #
Intheeve nt of dama getotheth re ads,
con tact a qualified specialist workshop
immediatel y. #
Have the damaged wheel bolts or dam‐
aged hub thre ads replaced. #
Do not continue driving. #
Obser vethe information on thech oice of
tyres (/ page415). 422
Wheels and tyres

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop immediatel y.
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING Risk of inju ryor fata l injury when using a child restra int sy stem while the front passenger airbag
is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE FRONT AIRB AGin front of it;
DE ATH or SERIOUS INJU RYtotheCH ILD can occur. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff (/ page 40). #
If necessar y,consult a qualified specialist workshop immediatel y.452
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Deactivate the Desert drive program immediately af ter driving on sand. #
Drive on careful ly. #
Activate the Desert drive prog ram only when driving on sand. #
Deactivate the Desert drive program immediately af ter driving on sand.
LOW RANGE Stop Apply
parking brake *T
here is a transfer case malfunction. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Apply the electric parking brake. #
Where necessar y,also secure theve hicle against rolling away. #
Switch the transmission toposition j.
ÿ
Different. lock sys. Mal-
function *T
here is a transfer case malfunction. #
Do not shift the transfer case! #
Use the electric parking brake tosecure theve hicle against rolling away. #
Consult a qualified specialist workshop.
LOW RANGE Deactivate dif-
ferential locks *O
ne or se veral shifting conditions werenot met. #
Toengage HIGH RANGE, the dif fere ntial lo cks must be switched off. #
Repeat thege ar change. 482
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
LOW RANGE Malfunction *T
here is a transfer case malfunction. #
Do not shift the transfer case! #
Use the electric parking brake tosecure theve hicle against rolling away. #
Consult a qualified specialist workshop.
LOW RANGE Shift to posi-
tion N briefly *O
ne or se veral shifting conditions werenot met. #
Switch the transmission toposition i. #
Repeat thege ar change.
LOW RANGE Max. speed
40 km/h *T
he maximum speed forch anging gear of 40 km/h has been exceeded. #
Drive more slowly. #
Repeat thege ar change.
LOW RANGE Malfunction
To park, apply parking
brake *T
here is a transfer case malfunction. #
Do not shift the transfer case! #
Use the electric parking brake tosecure theve hicle against rolling away. #
Consult a qualified specialist workshop.
LOW RANGE Max. speed
70 km/h *T
he maximum speed forch anging gear of 70 km/h has been exceeded. #
Drive more slowly. #
Repeat thege ar change. Display messages and
warning/indicator lamps 483

Child seat
App rova l categories .............................. .52
At tach ing (no tes) ................................... 51
Basic instructions .................................. 44
Fr ont passenger seat (no tes) ................. 66
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 65
ISOFIX/i-Size (fitting) ............................58
No tes on risks and dangers ...................45
Re commended child restra int sys‐
te ms ...................................................... 48
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 62
Seats suitable for i‑Size child
re stra int sy stems ................................... 57
Seats suitable for ISOFIX child
re stra int sy stems ................................... 54
Secu ring on the front passenger seat ....67
Secu ring on there ar seat ...................... 64
To pTe ther ..............................................60
Child ren
Av oiding dangers in theve hicle .............45
Basic instructions .................................. 44
CI+ module .............................................. 358
Calling up a menu ................................ 358 CI+ module (TV)
Inserting a Smart Card ........................ 358
Cigar ette lighter
Fr ont centre console ............................ 11 2
Re ar .................................................... .112
City lighting .............................................. 121
Cleaning see Care
Climate control Activating/deactivating the A/C
function (cont rol panel) ...................... .133
Ac tivating/deactivating the A/C
function (multimedia sy stem) .............. 13 3
Ac tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 13 4
Air di stribution settings .......................1 34
Air-recirculation mode ......................... 13 4
Au tomatic control ................................ 13 3
Climate style function .......................... 13 4
Demi sting windo ws............................. 13 4
Fr ont air vents ..................................... 14 0
Ionisation ............................................. 13 5
No te .................................................... 13 2Re
ar air vents ...................................... 14 0
Re ar operating unit .............................. 13 2
Re sidual heat ....................................... 13 5
Setting the climate style ......................1 34
St ationary heater/ ventilation .............. 13 5
Switching on/off ................................. 13 3
THERMOTRONIC contro l panel ............13 2
Ve ntilating theve hicle (con venience
opening) ................................................ 79
Wi ndsc reen heating ............................. 13 5
Climate style
Fu nction .............................................. 13 4
Setting ................................................. 13 4
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
COMAND Online see Multimedia sy stem
COMAND Touch
Managing devices ................................ 266
Combination switch .................................11 9
Compass .................................................. 298 Index
511

Fu
se box in there ar ............................ .407
Fu se box on the dashboard ................. 407
No tes .................................................. 405 G
G-Mode ..................................................... 15 2
Garage door opener Clearing the memory ........................... 172
Opening or closing the door ................1 72
Programming buttons .......................... 17 0
Ra dio equipment appr oval numbers .... 173
Re solving problems .............................. 171
Synchronising thero lling code ............ .171
Gearshift recommendation ....................15 6
Genera l operating permit number
(EU) .......................................................... .427
Genuine parts ............................................ 20
Glide mode ............................................... 157
Glo vebox
Locking/unlocking .............................. 100 H
Handbrake see Electric parking brake
Handling characteristics (unusual) ....... 408
Hazard warning lights ............................ .119
HD prog rammes
see CI+ module
Head restra int
Fr ont (luxury head restra int) .................. 89
Re ar (adjusting) .................................... .90
Re ar (fitting/removing) .......................... 91
Headlamp flasher ................................... .119
Headphones (Rear Seat Entertain‐
ment Sy stem)
Connecting .......................................... 367
Disconnecting .................................... .367
Overview ............................................. 367
High beam Adaptive Highbeam Assist Plus ............ 121
Switching on/off .................................. 11 9
HIGH RANGE Shifting ................................................ 15 9High-pressure cleaner (care)
................. 382
Hill Start Assist ........................................ 194
HOLD function ......................................... 19 5
Fu nction/no tes ................................... 19 5
Switching on/off ................................. 19 5
Hotspot Setting up (Wi-Fi) ................................. 265
Vi a business telephony ........................ 263 I
i-Size child seat securing sy stem
Fitting .................................................... 58
Seats suitable for attaching ................... 57
Identification pla te
Engine ................................................. 427
Ve hicle ................................................ 427
Ignition Switching on (S tart/S top button) ........ 141
Ignition key
see Key
Immobiliser ................................................ 85
Implied warranty
Ve hicle .................................................. 25 Index
521