ECU MERCEDES-BENZ G-CLASS 2020 Owner's Manual

#
Attach wheel wrenc h3 tosoc ket2 and
tig hten thehub capclockwise.
Specif iedtight ening torq ue: 20lb-ft
(2 7Nm). Ra
ising theve hicl ewhe nch angi ngawhe el Re
quirement s:
R Ther ear eno per sons intheve hicle.
R The vehicle hasbeen prepar edfora whee l
ch ang e(/ page40 6).
R The hub caps have been remo ved
( / pag e40 7). Ins
talling theja ck #
Asse mblepu mp leve r1. #
Placepum pleve r1 withth ere cess onlow‐
er ing screw 2 onthejac k. #
Turn pum pleve r1 cloc kwise asfaras itwil l
go.
Lo we ring screw 2 isclos ed. 3
Adapter
To raise theve hicl eat thefront :adap ter3
mus tbe secur edon thejac k.
To raise theve hicl eat there ar: remo ve
adap ter3 from thejac k.
Im por tant noteson using thejac k:
R Onlyuse theve hicle-specif icjac kth at has
been tested and appr ovedby Mer cedes-Ben z
to raise theve hicle.
R The jackis onl ydesigned forra ising and
holdin gth eve hicle fora shor ttime whilea
whee lis being chang edand notfo rmaint e‐
nance workund ertheve hicle. 408
Wheels andtires

R
The jackmus tbe placed onafirm ,fl at and
no n-slip surface. Ifneces sary,use alar ge,
fl at, load- bearing,no n-slip unde rlay .
R The jackma yonl ybe positioned atthejac k
suppor tpoint .
Ru les ofcon duct when theve hicle israised:
R Neverpla ceyour han dsorfeet und erthe
ve hicle.
R Neverlie under theve hicle.
R Donotst ar tth eengine anddonotre lease
th eelectr icpar king brak e.
R Donotopen orclose anydoor sor there ar-
end door . #
Usin gth elug wrenc h,loosen thewheel bolts
on thewheel youwish tochang eby about
on efull turn.Do notuns crew thebolts com‐
ple tely. &
WARNIN GRisk ofinju ryfrom incor rect
pos itioning ofthejac k
If yo udo notposi tionth ejac kcor rectl yat
th eappr opriatejac king point oftheve hicle,
th ejac kcould tipwithth eve hicle raised. #
Onlyposit ionthejac kat theappr opri‐
at ejac king point oftheve hicle. The
base ofthejac kmus tbe position ed
ve rticall yunder thejac king point ofthe
ve hicle. *
NO
TEVehicle damag efrom thejac k If
yo udo notposi tionth ejac kcor rectl yat
th eappr opriatejac ksuppor tpoint ofthe
ve hicle, thejac kcould tipove rwit hth eve hi‐
cle raised. #
The jackis design edexclu sively for
jac king uptheve hicle atthejac ksup‐
por tpoints . Ra
ising theve hicl eat thefront #
Mak esur eth at theadap teris secur edon the
jac k. Wheels
andtires 409

#
Position jack4 onthecomf ortbushing on
tra nsv erse link 5. #
Raise theve hicle bypum ping until thetir eis
no mor eth an 1.2 in (3 cm) offth egr ound. #
Loosen andremo vethewheel (/page41 0).
Ra ising theve hicl eat there ar #
Pullout theadap terfr om thejac k. #
Position jack4 atthejac ksuppor tpoint of
axle carrier tube 6. #
Keep pum ping until axlecarrier tube 6sits
secur elyinthere cess ofthejac kand the
base ofthejac klies evenlyon thegr ound. #
Raise theve hicle bypum ping until thetir eis
no mor eth an 1.2 in (3 cm) offth egr ound. #
Loosen andremo vethewheel (/page41 0). Re
mo ving awh eel Re
quirement s:
R The vehicle israised (/page408).
When chang ingawheel, avoid applying anyfo rc e
to thebr ak ediscs, sincethis could impair the
le ve lof com fort when brakin g.
* NO
TEDama getothre adin gfrom dirton
wheel bolts #
Donotplace wheel boltsin san dor on
a dir tysur face. #
Unscr ew thewheel bolts. #
Remo vethewheel. #
Installth ene wwheel (/page41 0). Mo
untin gane wwh eel Re
quirement s:
R The wheel isremo ved(/ page41 0). &
WARNIN GRisk ofacci dent from losing a
whe el
Oil ed, grea sed ordamag edwhe elbol t/whe el
nut thre ads orwheel hub/wheel mounting
bolt thre ads can caus eth ewheel bolts/
wheel nutstocome loose.
As are sult, youco uld lose awheel whiledriv‐
ing . #
Neveroil orgrease theth re ads. #
Intheeve ntofdama getotheth re ads,
con tact aqu alif ied spec ialistwo rkshop
immediat ely. #
Have thedamag edwheel boltsordam‐
ag ed hub thre ads replaced. #
Donotcon tinue driving. 41
0
Wheels andtires

Ve
hicl edimens ions G
550
Ve hicle length1 91.6 in
(486 6mm)
Ve hicle widthincluding out‐
side mirrors 86.
1in
(2 18 7mm)
Ve hicle height 77.5 in
(1 969 mm)
Whe elba se 113.8 in
(2890 mm)
Tu rning radius 44.6ft
(1 3.6 m)
Minimum ground clearance 9.5in
(2 41 mm) We
ight sand loads No
tethat items ofoptio nal equipme ntinc rease
th ecurb weight andreduce thepa yload. Ve
hicl edata forof f-r oad drivin g Fo
rding dep th
* NO
TEDama gecau sed bywaterwhen
fo rd ing Wa
tercan entertheengine compartmen t
and vehicle interior if:
R youexc eed themaximum permissible
fo rd ing dep thwhen drivin gth ro ugh stand‐
ing water
R abo wwav efo rm sdur ing ford ing
R wateraccumu lates dur ing ford ing offlow ‐
ing water #
Donotexc eed themaximum permissi‐
ble ford ing dep thand drive slo wly
th ro ugh thewa ter. The
specif iedvalue indic ates themaximum per‐
missible ford ing dep thforve hicles that arere ady
to drive. Itapplies toslo wdriving thro ugh stand‐
ing water. Dr
iving thro ugh flow ing waterre duces tiretra c‐
tion .The permissible ford ing dep thisthen cor re‐
sponding lylowe r.
Obser vetheno teson off-r oad driving andford ‐
ing (/ page13 6). Model
1 1
Fording
dep th
G 55 02 7.6 in (70 cm) Appr
oach/depar tureang le
The speci fied values aremaxim umvalues for
ve hicles that arere ady todrive. 42
4
Tech nica lda ta

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonl y)
0024 (Canada only)
Parking BrakeSeeOpera-
tor's Manual *
The yello w0024 indicator lam pis lit. The elect ric pa rking brak eis malfun ctionin g.
To appl y: #
Swi tchof fth eignition andturnit bac kon. #
Appl yth eelectr icpar king brak emanually (/page16 2).
If it is no tpo ssi ble to appl yth eelectr icpar king brak e: #
Consult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
* The yello w0024 indicator lam pand there d 0049 (USAonl y)or 0024 (Canada only)indicat orlam par elit. The
elect ric pa rking brak eis malfun ctionin g.
To release: #
Swit choffth eignition andturnit bac kon. #
Release theelectr icpar king brak emanually (/page16 2).
or #
Release theelectr icpar king brak eaut omaticall y(/ page16 2).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving under anycir cums tances. Consu ltaqu alif ied spec ialistwo rkshop.
* The yello w0024 indicator lam pis lit and there d0049 (USAonl y)or 0024 (Canada only)indicat orlam pis flashin g.
The electric par kingbr ak eis malf unctionin g.
The electric par kingbr ak ecoul dno tbe applied orreleased. 43
4
Disp lay mess ages and warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Switc hof fth eignition andturnit bac kon.
To appl y: #
Release andthen apply theelectr icpar king brak emanuall y(/ page16 2).
To release: #
Appl yand then release theelectr icpar king brak emanuall y.
If th eelectr icpar king brak ecann otbe applied orthere d0049 (USAonl y)or 0024 (Canada only)indicat orlam p
con tinues toflash: #
Donotcon tinue drivin gunde ran ycir cum stanc es.Con sult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
* The yello w0024 indicator lam pis on and there d0049 indicat orlam p(US Aonl y)or 0024 indicat orlam p(Can‐
ada only)flashes forapp roxima tely tenseco ndsafte rth eelectr icpar king brak ehas been applied orreleased. It
th en remains litor goes out.Theelectr icpar king brak eis malfu nctioning.
If th ebat tery charge leve lis toolo w: #
Char gethebatt ery.
To appl y: #
Swi tchth eignition off.
The electr icpar king brak eis applied automaticall y. Dis
play messa gesand warning/ indic ator lam ps 435

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
If th eelectr icpar king brak eshould notbe applied, e.g.when washing theve hicle inan aut omatic carwash orwhen
ha ving theve hicle towe d,lea vetheignition switchedon.This does notinclude having theve hicle towe dwit hth e
re ar axle raised.
If th eelectr icpar king brak eis no tapplied automaticall y: #
Switc hof fth eignition andturnit bac kon. #
Release andthen apply theelectr icpar king brak emanuall y(/ page16 2).
If it is still no tpossible toappl yth eelectr icpar king brak e: #
Consult aqu alif ied spec ialistwo rkshop. #
Wher enecessar y,also secureth epar kedve hicle agains tro lling away.
To release: #
Ifth econ ditions forau tomatic release arefulf illed andtheelectr icpar king brak eis no tre leased automat ically,
re lease theelectr icpar king brak emanuall y(/ page16 2).
If it is still no tpossible torelease theelectr icpar king brak e: #
Donotcon tinue driving under anycir cums tances. Consu ltaqu alif ied spec ialistwo rkshop. 436
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey intheslo tfo rst ar tin gth eengine withth eSmar tKey (/ pag e13 0).
Á Don't ForgetYour Key *A
warning tone willal so sou nd. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vethe
ve hicle. Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) . Disp
lay mes sage sand warning/ indic ator lam ps 463

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0051 *A
tle as tone door isop en. #
Close alldo ors.
0066 *T
hehood isopen. &
WARNIN GRisk ofacci dent ifth eengine hoodisunlatc hedwhile driving
An unloc kedengin ehood mayopen upwhen theve hicle isin mo tion andblockyo ur vie w. #
Neverunla tchth eengine hoodwhile driving. #
Beforeev erytrip, ensur eth at theengine hoodislatc hed. #
Stop theve hicle immediat ely,pa ying attention toroad and traf fic condi tions. #
Close thehood.
LOW RANGE Malfunct ion *T
hereis atransf ercase malfunction. #
Donotshif tth etra nsf ercase. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away. #
Visit aqu alif ied spec ialistwo rkshop.
LOW RANGE Malfunction
To Park, Apply Brake *T
hetransf ercase ismalfunctionin g. #
Donotshif tth etra nsf ercase. Displa
ymessag esand warning/ indic ator lam ps 465

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away. #
Visit aqu alif ied spec ialistwo rkshop.
LOW RANGE StopApply
Parking Brake *T
hetransf ercase ismalfunctionin g. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. #
Apply theelectr icpar king brak e. #
Wher eneces sary,also secureth eve hicle agains tro lling away. #
Eng ageth epar kposition 005D.
LOW RANGE Max.Speed 6
mph *T
hemaximum speedforch ang inggear of6mp h(1 0 km/h) hasbeen exceeded. #
Drive mor eslo wly. #
Repeat thege ar chang e.
LOW RANGEMax .Spe ed
12 mph *T
hemaximum speedforch ang inggear of12 mp h(20 km/h) hasbeen exceeded. #
Drive mor eslo wly. #
Repeat thege ar chang e.
LOW RANGEMax .Spe ed
25 mph *T
hemaximum speedforch ang inggear of25 mph(40 km/h) hasbeen exceeded. #
Drive mor eslo wly. #
Repeat thege ar chang e. 466
Displaymes sagesand warning/ indic ator lam ps