belt MERCEDES-BENZ E CLASS 2021 Service Manual

Switc
hingthere ading light and sear chlight
and onoroff Re
quirement s:
R Forthe reading light:th efunc tion isavaila‐
ble when itis dar k.
R The hand movement take splace intheint er‐
action area belo wtheinside rear vie wmir ror.
R Forthe search light :th efunc tion isavaila‐
ble when itis dar k.
R The hand movement take splace intheint er‐
action area abo vethefront passeng erseat.
R The seat beltonthefront passeng erseat
mus tno tbe inser tedin theseat beltbuckle. Switc
hingthere ading light on and off #
Brief lymo veahan dup ordown ben eathth e
insid ere ar vie wmir ror.
The readin glight isswit ched on orofffo rth e
dr iver or thefront passeng er. Switc
hingthesear chlight onand off #
Toswitc hon: reac hacr oss thefront
passeng erseat withahand.
The sear chlight isswitc hedonforth edr iver . #
Toswitc hof f:take ahan dbac kaw ay from
th efront passeng erseat.
The sear chlight isswitc hedoffag ain. Inf
orma tion onprofiles, themes, suggestions
and favo urites Fo
relectr icallyadjus table seats observethefo l‐
lo wing notes. MBUX
multimedia system 239

Sensor
s
R Clean thesensor sin thefront and rear
bum perswit hasof tclo thand carsham poo
(/ page17 2).
R Whenusing apo we rwa sher ,maint ainamini‐
mum distance of11.8 in(30 cm).
Re ar vie wcamer aand surround viewcamer a
R Toopen there ar vie wcam eraco ver,switc h
on theignition .
R Use clean waterand asof tclo thtocle an the
came ralens .
R Donotuse apo we rwa sher .
Ta ilpip es
R Clean withaclean ingagent recomme nded
fo rMer cedes-Benz, especiallyin thewint er
and afte rwa shing theve hicle.
R Donotuse acidic cleaning agents. No
teson car eof theint erior &
WARNIN GRisk ofinju ryfrom plastic
par tsbreakin gof faf te rth euse ofsol‐
ve nt-ba sedcarepr od ucts
Ca reand cleanin gpr oduc tscon tainin gsol‐
ve nts can causesurfaces inthecoc kpit to
become porous. When theairbags are
deplo yed, plas ticpar tsma ybr eak away. #
Donotus ean ycar eor cle ani ng prod ‐
ucts containing solvents tocle an the
coc kpit. &
WARNIN GRisk ofinju ryor deat hfrom
bleac hedseat belts
Bleac hingordyeing seat belts canseverely
we aken them.
This can, forex am ple, caus eseat beltsto
te ar or failin an acc ident . #
Neverblea chordyeseat belts. To
avo iddamag eto theve hicle, observethefo l‐
lo wing noteson cleaning andcare: Seat
belts
R Clea nwit hluk ewa rmand soap ywa ter.
R Donotus ech emical cleaningag ent s.
R Donotdr yby heating them toove r17 6°F
(80°C )or exposing them todirect sunlight .
Displa y
R Switc hof fth edispla yand letit cool down.
R Clean thesur face car efu llywith amic rofiber
clo thand asuit able displa ycar epr oduc t
(TF T-LC D).
R Donotus ean yot her agents.
Plas tictrim
R Clea nwit hadam pmicr ofiber cloth.
R Forhea vysoil ing: useaclea nerrecomme n‐
ded forMer cedes-Benz.
R Donotatt achsticke rs,fi lms orsimilar mate‐
ri als.
R Donotallo wcos metics,ins ect repellent or
sun cream tocome incont actwith theplas‐
tic trim.
Re alwo od and trim elemen ts
R Clean withamic rofiber cloth. 286
Maintenanc eand care

Fi
rs tle tter( s)1 1:
R Without :passeng ervehicle tires accor dingto
Eur opeanma nuf actu ring standar ds.
R "P": passe nger vehicle tires accor dingtoUS
manuf acturingstandar ds.
R "LT": light truc ktir es acc ordin gto US manu‐
fa ctur ingstandar ds.
R "T": com pact emer gency sparewheels with
high tirepr essur eth at areon lydesigned for
te mp orar yuse inan emer gency .
As pec tra tio 3 3:
Ra tio betwee ntir ehe ight and tirewidthin pe r‐
cent (tire height divided bytirewi dth).
Tir eco de 4 4
(tire type ):
R "R"ra dial tire
R "D": bias plytire
R "B": bias beltedtires
R "ZR": radial tirewit hamaximum speedabove
14 9mp h(2 40 km/h) (optional) Rim
diame ter5 5:
The diam eter ofthebead seat(notth ediame ter
of therim flang e).The rim dia me teris specif ied
in inc hes (in).
Load-be aring inde x6 6:
Numer icalcode that spec ifies themaximum
load-bear ingcapacity ofatir e(e.g. "91" cor re‐
sponds to1356 lbs (615 kg)).
The load-bear ingcapacity ofthetir emus tbe at
leas thalf thegr oss axle weight rating ofyour
ve hicle. Donotove rload thetir es by exc eeding
th especif iedload limit.
See also:
R Maximum permissible loadontheTire and
Loadi ngInfo rm atio nplacar d(/ page31 7)
R Maximu mtireload (/ page 323)
R Load index
Spee dra tin g7 7:
Spe cifiesth eappr oved maximum speedofthe
tir e. %
Anelectr onicsp ee dlimi terpr eve nts your
ve hicle from exceeding aspeed of130mp h
(2 10 km/h) .
Ma kesur eth at your tires have there qu ired
speed rating .Yo ucan obtain informat iononthe
re qu ired speed rating from anauthor ized
Mer cedes-B enzCent er.
Summ ertires Inde
xS peedra tin g
Qu pto 100mp h(1 60 km/h)
Ru pto 106mp h(170 km/h)
Su pto 112mp h(1 80 km/h)
Tu pto 118mp h(1 90 km/h)
Hu pto 130mp h(210 km/h)
Vu pto 149mp h(2 40 km/h)
Wu pto 168mp h(2 70 km/h)
Yu pto 186mp h(3 00 km/h) Whee
lsand tires 325

Inde
xS peedra tin g
ZR ...Y 1
upto186mp h(3 00 km/h)
ZR ...(..Y) 1
over18 6mp h(3 00 km/h)
ZR 1
over14 9mp h(2 40 km/h) R
Specifying thespeed rating asthe"ZR" index
in tirecode 4isop tion alfortir es up to
18 6mp h(3 00 km/h) .
R Ifyo ur tireco de 4 includes "ZR"andther e
is no speed rating 7,find outwh atthemax‐
imum speed isfrom thetir emanuf acturer.
R Ifload-bear inginde x6 and speed rating 7
ar ein brac kets, themaximum speedrating of
yo ur tireis abo ve186mp h(300 km/h). To
fi nd outth emaximum speed,askthetir e
manuf acturer. All-w
eather tires and wint ertires Inde
xS peedra tin g
Q M+S 2
upto100mp h(1 60 km/h)
T M+S 2
upto118mp h(190 km/h)
H M+S 2
upto130mp h(210 km/h)
V M+S 2
upto149mp h(2 40 km/h) Wi
nter tires bear the004D snowflak esymbol
and fulfillthere qu iremen tsof theRu bber Manu‐
fa ctur ersAssoci ation (RMA) andtheRu bber
Assoc iation ofCanada (RAC)rega rding thetir e
tra ction onsno w.
Load index8 8:
R Nospec ificat ion given: standar dload (SL)
tir e
R "XL" or"Ex tra Load": extra load tireor rein‐
fo rc ed tire
R "Light Load": lightloadtire R
"C", "D", "E":aload rang eth at depen dson
th emaximum loadthat thetir ecan carryata
cer tain pressur e Def
inition ofterm sfo rtir es and loadin g
Ti re stru ctu reand charact eristics :descr ibes
th enumber oflaye rs or thenumber ofrubber -
coat edbelts inthetir econ tact surface and the
tir ewa ll.These aremade ofsteel, nylon, poly‐
es terand other materials.
Bar: metric unit fortir epr essu re.
14 .5038 pounds persquar einc h(p si) and
10 0kilop ascal(kP a)istheeq uiv alent ofone bar.
DO T(Depar tment ofTranspo rtation ):DO T-
mar kedtir es fulf illthere qu iremen tsof the
US Depar tment ofTrans portatio n.
Av erag ewe ight oftheve hicl eoc cupants: the
num berof vehicle occupants forwhi chtheve hi‐
cle isdesigned, multiplied by150lb (68 kg).
1 "ZR" stat ed inthetir ecode.
2 Or "M+S004D" forwint ertires. 326
Wheel sand tires

Ins
trum ent Disp lay De
pen dingon thedispla yse tting, theposition s
of theindicat orlam pson theIns trument Display
ma ydif ferfr om theex am ple shown.
Indi catorand warning lam ps:
0075 Re
stra int system (/ page40 1)
00E9 Seat
belt(/page40 1)
Ù Powe rst eer ing (/ page402)
ÿ Coolanttemp eratur e(/ page403)
00B9 Chec
kEn gine (/page403)
003D Elect
rical mal functi on(/ page 403) 00B6
Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page40 3)
0049 US
A:elec tric par kingbr ak e(red)
(/ page40 6)
0024 Canada:
electric par kingbr ak e(red)
(/ page40 6)
0024 Ele
ctric pa rking brak e(yello w)
(/ page406)
00C6 US
A:Recup erati ve Brak eSy stem
(/ page406)
004D Canada:
brak es (yello w)
(/ page406)
0027 US
A:brak es (red) (/ page406)
004D Canada:
brak es (red) (/ page406)
L Distance warning (/ page409)
ä AIR BO DY CONTR OL(/ page409)
ä DYNA MIC BODY CONTR OL
(/ page409)
0025 ABS
(/page41 0)
00E5 ESP®
(/ page41 0)
00BB ESP®
OFF (/page 410) 0077
Ti
re pressur emonit oring system
(/ page41 2)
0060 Pa
rking lam ps(/ page12 1)
0058 Lo
wbe am (/ page12 1)
0057 Hi
gh beam (/ pag e12 2)
003E003D Tu
rn signal lights(/page12 2)
005E Re
ar foglight (/page12 1) 40
0
Dis play messa gesand warning/ indic ator lam ps

Occupant
safety Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0075 Re stra int system warning
lam p *T
he redre stra int system warning lam pis lit while theengine isrunning .
The restra int system ismalfunct ioning(/page37 ). &
WA RNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . #
Notethemessag eson themultifunc tiondispla y. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
00E9
Sea tbel twa rning lam p
fl ashes *T
he redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
The driver or front passe nger hasno tfa stened his/her seatbeltwhile theve hicle isin mo tion. #
Fasten your seat belt(/page41 ).
Th erear eobj ect son thefront passeng erseat. #
Remo vetheobjec tsfrom thefront passeng erseat. Displa
ymessag esand warning/ indic ator lam ps 40
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E9 Seat beltwarning lam p
light sup *T
he redseat beltwarning lam plight sup forsix seconds oncetheengine hasstar ted.
In addition, anintermitt entwarning tone maysou nd.
The redseat beltwarning lam pre minds thedr iver and front passeng ertofasten their seat belts. #
Fasten your seat belt(/page41 ).
If yo uha ve placed objectson thefront passeng erseat, there dseat beltwarning lam pma yre main lit. Ve
hicl e Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ù Po we rst eer ing warning
lam p(red) *T
he redpo we rst eer ing system warning lam pis lit while theengine isrunning .
The powe rassi stanc eor thesteer ing itself ismalfunct ioning. &
WA RNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Notethemessag eson themultifunc tiondispla y. 402
Displa ymessag esand warning/ indic ator lam ps

Ov
ervie wof thehelp functions...... ........ 16
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....22
To w- star tin g.................................... .... 305
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 302
Tr ans portingth eve hicle ......................3 03
Br eakdo wn
see Flat tire
Butt ons
St eer ing wheel .................................... 228 C
Calls Mer cedes me...................................... 256
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 282
Car -to-X -Comm unication
Displa yinghazar dwa rnings ............ .....2 50 Car
e....... ...................................................286
Air -water duct ......................................281
Au tomatic carwash ........................ ..... 282
Car pet............................................. ....2 86
Decor ativefo il ................................ .....2 84
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 286
EAS Y-PA CK trunk box...................... .... 286
Ex terior lighting .............................. ..... 285
Headliner ............................................. 286
Matt efinis h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...............283
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 283
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 286
Po we rwa sher ................................. ..... 283
Re alwo od/tr imelements ............... ....2 86
Re ar vie wcam era ................................ 285
Seat belt........................................ ...... 286
Seat cover..... ................................... ... 286
Sensor s..... ........................................ .. 285
St eer ing wheel .................................... 286
Sur round viewcam era ........................ 285
Ta ilpipes .............................................. 285
Wa shing byhand .............................. ... 283
Wheels/r ims....................................... 285
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 285
Wi per blades .......................................2 85 Car
gotie-do wnrings ................................ 111
Car pet(Car e)...........................................2 86
Chang eof addr ess ....................................22
Cha ngeof ow ner ship ................................ 22
Changing awheel
Pr epar ation ......................................... 333
Ra ising theve hicle .............................. 334
Changing awheel
see Emer gency sparewheel
Chan ginggears ....... ................................. 160
Manually ..............................................1 60
Chang inghub caps ................................. 333
Char ging
Batt ery(v ehi cle) .................................. 299
Mobi lephone (wireless) .......................1 18
USB port..............................................1 18
Cha ssis leve l(AIR BODY CONT ROL)
Se tting .................................................2 08
Chil dsaf etyloc k
Re ar door s.............................................6 3
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 6441
8
Inde x

Multimedia
system
Collision detection (parked vehicle) ..... 171
Multimedia system
see Display(mult imedia system)
see MBUX Interior Assis tant (mu lti‐
med iasystem)
see MBUX multimedia system
see Touc hpad N
Na vig ation
No tes ................................................... 245
Ov ervie w ...... .................................... ... 246
Sho wing/hi ding themenu ............... ....2 45
Switc hingon....... ............................ ..... 245
Na vig ation
see Destination entry
see Map
see Route
Ne utr al
Inser ting.............................................. 159
No teson breaking-in ane wvehicl e...... .147 O
Occupant safety
see Airbag
see Automatic front pass engerfront
airb agshut off
see Pets intheve hicle
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
see PRE-S AFE®
Im pulse Side
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Oil see Engine oil
On-boar dcom puter................................. 228
Displa yingtheser vice duedate........... 274
Hea d-up Display menu ............ .............231
Multifunction display........................ ... 230
Oper ating ............................................ 228
Ov ervie wof menus .............................. 228
On-boar ddiagnos ticsinterface
see Diag nostics con nection Online
services
Dat ast or ag e .......................................... 32
Open-sour cesof tware .............................. 34
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S...........................7 6
Oper ating fluids
Ad ditiv es(fuel) .................................... 346
Br ak efluid ...........................................3 47
Coolan t(en gine) .................................. 348
En gin eoil ............................................ 346
Fu el(gasoline) .....................................3 45
No tes .................................................. 344
Re frig er ant (airconditio ningsystem) ...349
Wi ndsh ield wa sher fluid ...................... 349
Ope ratin gsaf ety
48 Von-boa rdelectr icalsystem ............ 23
Dec laration ofcon form ity (wir eless
ve hicle component s)............................. 25
EQ boos t............................................... 23
Inf ormation ............................................ 23
Oper ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ................................. 21 Inde
x433

Fo
lding thebac kres t(r ear) forw ards .... 108
Massag epr ogr am overview ...................9 9
Oper ating thememor yfunc tion ..........1 05
Pa nel hea ting <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..............101
Re settin gth ese ttings ............................9 9
Se tting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 14
Wo rkout progr am overview .................... 99
Seat belt.....................................................3 8
Car e.................................................... 286
Pr otect ion ....................................... .......3 8
Seat beltadjustment
Ac tivati ng/d eactiv ating ........... ..............42
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 41
Seat beltwarning
see Seat belts
Seat belts ........ ...........................................4 2
Ac tivati ng/d eactiv ating seat belt
ad jus tment ............................................ 42
Ad jus ting theheight ...............................4 1
Fa stening ............................................... 41
Re duced protect ion ...............................3 9
Re leasing ...............................................4 2
Sea tbel tad jus tment (function) ............. 41
Wa rning lam p.................................. ...... 42 Seat
cover(C are) ............ ......................... 286
Se at hea ting
Ac tivati ng/d eactiv ating ........... ............100
Seat ventilat ion
Ac tivati ng/d eactiv ating ........... ............101
Selec tingage ar
see Changing gears
Select orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... ....................................... 47
Sensor s(car e)......................................... 285
Ser vice center
see Qualif iedspecialis two rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Se tting aspeed
see Cruise control
Se tting thema pscale
see Map Shif
tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme ndation <0011001100110011001100110011001100110011001100110011001100110011
00110011> 161
Side airbag .................................................4 2
Side windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 79
Ch ild sa fety lock inthere ar
passe nger com partment .......................6 4
Closin g.................................................. 79
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 81
Con venie nce closing featur e.................. 81
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....80
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.79
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 81
Ro ller sunblin d...................................... 86
Size designa tion(tires) ...........................3 24
Sliding sunroof.......................................... 82
Au tomatic featur es................................ 84
Closin g.................................................. 82
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 81
Opening .................................................8 2
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 80
Pr obl em <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 85 Inde
x43
7