belt MERCEDES-BENZ C CLASS 2021 Service Manual

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. 352
Wheel sand tires

Indi
catorand warning lam ps:
0075 Re
stra int system (/ page42 7)
00E9 Seat
belt(/page42 7)
Ù Powe rst eer ing (/ page428)
ÿ Coolanttemp eratur e(/ page429)
00B9 Chec
kEn gine (/page429)
003D Elect
rical mal functi on(/ page 429)
00B6 Re
ser vefuel withfuel filler flap loca‐
tio nind icat or(/ page42 9)
0049 US
A:elec tric par kingbr ak e(red)
(/ page43 2)
0024 Canada:
electric par kingbr ak e(red)
(/ page43 2)
0024 Ele
ctric pa rking brak e(yello w)
(/ page432)
00C6 US
A:Recup erati ve Brak eSy stem
(/ page432)
004D Canada:
brak es (yello w)
(/ page432)
0027 US
A:brak es (red) (/ page432)
004D Canada:
brak es (red) (/ page432) L
Distance warning (/ page435)
ä AIRMA TIC(/ page435)
ä DYNA MIC BODY CONTR OL
(/ page435)
0025 ABS
(/page436)
00E5 ESP®
(/ page436)
00BB ESP®
OFF (/page436)
0077 Ti
re pressur emonit oring system
(/ page438)
0060 Pa
rking lam ps(/ page11 4)
0058 Lo
wbe am (/ page11 4)
0057 Hi
gh beam (/ pag e11 5)
003E003D Tu
rn signal lights(/page11 5)
005E Re
ar foglam p(/ page11 4) 426
Displaymessa 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(/page36). &
WARNIN 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 *T
he redseat beltwarning lam pflashes andanintermit tent wa rning tone sou nds.
or
The redseat beltwarning lam plight sup forsix seconds oncetheengine hasstar ted.
In addition, anintermitt entwarning tone maysou nd.
The redse at beltwa rning lam pflashes andanintermit tent wa rning tone sounds:
The driver or front passeng erhas notfa stened hisorher seat beltwhile theve hicle isin mo tion. #
Fasten your seat belt(/page40 ).
Ther ear eobj ect son thefront passeng erseat. Displa
ymessag esand warning/ indic ator lam ps 42
7

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Remo vetheobjec tsfrom thefront passeng erseat.
The redse at beltwa rning lam plight sup once theengine 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(/page40 ).
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. &
WARNIN 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. 428
Displa ymessag esand warning/ indic ator lam ps

Cen
tralcontro lelemen ts.......................2 13
Collis iondetection (parked vehicle) .......1 56
Conf iguring displ aysettin gs.................. 221
Conf iguringdrive pr ogr am I.... ......... ...... 143
Fa vorite s... ............................................. 216
Ov ervie w.. ..............................................2 12
Re ar clim atecon trol. .............................1 28
Re stor ing (fact oryse ttings).. ................. 230
Switc hingthesound on/off.<0011001100110011001100110011001100110011001100110011001100110011
00110011> 218
Multimedia system
see Entering charact ers
see Touc hpad N
Na vig ation
Inser ting/r emoving anSD card............. 231
Sho wing/hi ding themenu. ............... ..... 232
Switc hingon.................................... ..... 232
Up dating themap data.... ......................2 54
Na vig ation
see Destination
see Destination entry
see Map
see Route
see Routeguidan ce see
Traf fic inf ormati on
Na vig ation announcements
Ac tivati ng/d eactiv ating........... ..............245
Ad jus ting thevo lume.. ...................... .....2 45
Re peating ........................................ ...... 246
Swi tching audio fa deout on/off........ .....2 45
Ne arField Comm unication(NFC)
Conn ecting themobile phonetothe
multime diasystem ................................ 261
Inf ormation.. .................................... ...... 261
Switc hingBluetooth®
audio equip‐
men t...................................................... 290
Swit ching mobile phones.................. .....2 61
Using amobile phone........................ ....2 61
Ne utr al
Inser ting...... .......................................... 144
NFC see NearFie ldCo mmu nication(NF C)
No teson breaking-in ane wve hicl e...... ...135 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®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Oil see Engine oil
On-boar dcom puter
Displa yingtheser vice duedate............ 300
Hea d-upDisp lay <0050004800510058001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 210
Multifunction display.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 209
Ope rating ........... ...................................208
Ov ervie wof menu s.................. ..............208
On -bo arddia gnostic sin te rface
see Diag nostics connection
Onl ine services
Dat ast or ag e... ......................................... 32
Open-sour cesof tware................................3 4
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 74460
Index

Sel
ecting notifica tions <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 241
Sel ecting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 241
St artin gth eaut omatic service sta‐
tio nsear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 242
Swi tching theaut omatic gasst atio n
sear chon/of f.................................. ...... 242
Wi th intermediat edes tination s.............. 237
Ro uteguidanc e
Ca nceling...... ........................................ 246
Chan gingdir ect ion................................ 243
Des tinationre ac hed. ........................ .....2 44
Fr om anoff-r oad location. ..................... 246
Lane recomme ndations <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 244
No tes... ............................................. ..... 242
Of f-road..... ............ ........................... ..... 246
To an off-ro ad des tinatio n...................... 246
Ro ute-base dspee dadap tation
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>172
Ro ute-base dspee dadjus tment
Se tting........... ........................................ 173
Ru n-f lat charact eristics
MOExt ended tires ....... ....... .................... 316 S
Saf etysy stems
see Drivin gsaf etysy stem
Sat ellit era dio
Ac tivati ng/d eactiv ating TuneS tart......... 296
Ad ding ach ann elto Smar tFa vorite s..... 296
Del eting ach ann el................................. 295
Dis playing EPGinf ormat ion.............. .....2 95
Displ aying service informatio n.............. 297
Inf ormatio n............ ............................ ....293
Inf ormatio nabo utSmar tFa vorite s
and TuneS tart<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 296
Log ging <004C005100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 293
Mo ving ach ann el..................................2 95
Musi cand spor tal er ts function ............ 295
Ov ervie w.... ....... ................................... .294
Pa use and playbac kfun ction .................2 96
Re strictions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ...............293
Sele cting acat ego ry<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 294
Sel ecti ngach ann el......................... ...... 295
Se tting music andspor taler ts.......... .... 295
Se tting thepar entalcon trol ... ............ ... 295
St or ing ach ann el..................................2 95
Switc hingon............. ............................ 293 SD
card
Inser ting/r emoving....... ........................283
Seat 4-waylumbar support.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 93
Ad jus ting (electr ica lly)............... ..............93
Ad jus ting (manuallyand electr ically)....... 92
Ad jus ting (mechanic allyand electri‐
call y)........................................................9 0
Bac kres t(r ea r)loc king <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .....107
Con figur ing these ttings. .........................9 5
Cor rect driver's seatpos iti<0052005100110011001100110011001100110011001100110011001100110011
0011001100110011> 89
Fo lding thebac kres t(r ear passeng er
com partmen t)bac k.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 106
Fo lding thebac kres t(r ear) forw ards .....1 05
Oper ating thememor yfunc tion.............1 01
Re settin gth ese ttings... ........................... 96
Se tting option s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 16
Seat belt
Car e.... ................................................... 312
Pr otect ion................................................ 37
Seat beltadjustment
Ac tivati ng/d eactiv ating........... ................41
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 4046
4
Inde x

Seat
beltwarning
see Seat belts
Seat belts
Ac tivati ng/d eactiv ating seat belt
ad jus tment ........... ...................................41
Ad jus ting theheight... ............................. 40
Cent errear seat (releasi ng).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 39
Fa stening.. ............................................... 40
Re duced protect ion.. ...............................3 8
Re leasing .................................................4 1
Sea tbel tad jus tment (function) ............... 40
Wa rning lam p................................... ........ 41
Seat cover(C are)...... ............ ..................... 312
Seat heating
Ac tivati ng/d eactiv ating........... ................96
Se at ventilat ion
Ac tivati ng/d eactiv ating........... ................97
Second telephone
Conn ecting... .........................................2 59
Fe atur es................................................ 259
Select ingage ar
see Changing gears Select
orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... .........................................4 6
Sensor s(car e)............................................ 311
Ser vice center
see Qualif iedspecialis two rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 242
Se tting aspeed
see Cruise control
Se tting summ ertime.... ............................2 22
Se tting theda te form at....... ..................... 223
Se tting thedis tance unit.......................... 226
Se tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters Shif
ting gears
Gea rshif tre comme nda<0057004C00520051001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 146
Shor tmessag es
see Text mes sage s
Side airbag.. .................................................4 1
Side impact protection. ............................ 197
Side windo ws
Child safetyloc kin there ar
passe nger com partment. ........................ 63
Closin g....................................................7 6
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 79
Co nvenienc eclosing featur e...................7 9
Con venie nce openi ng<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ......78
Opening... ................................................ 76
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 78
Pr oblem. .................................................. 79
Ro ller sunblin d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 84
Size designation (tires) ............................. 350
Sliding sunroof
Au tomatic featur es..................................8 2
Closin g....................................................8 0
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 79
Ope <0051004C0051004A001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 80
Ope ning with theSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 78 Inde
x465

Pr
oblem. .................................................. 83
Ra in-clos ingfeatur e.......................... .......8 2
Smar tKey
Ac ous ticlocking verificati onsignal ......... 65
Batt er<005C001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> ..66
Ener gyconsu mption............ .................... 65
Fe atur es.................. ................................ 64
Ke yring attachme nt.... <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...66
Mec hanica lke y......... ...............................66
Ov erview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 64
Pa nic alar <0050001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....65
Pr ob le<0050001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........67
Un loc kin gse tting.... ................................ 65
Sma rtKe yfunctions
Deactiv ating....... .....................................6 5
Smar tphone
see Andr oidAuto
see Apple CarPla y®
see Mercedes-Benz Link
see Telephon e
Sno wch ains.. ............................................336
Soc ket(1 2 V)
Fr ont cent erconsole .............................. 110
Tr unk /cargo comp artm ent.. .................. 110 Sof
twareupda te
Pe rfor ming.... ........................................2 29
Sof twareupd ates..... .............................228
Sy stem updat es..................................... 229
Sound PRE-S AFE®
Sound. ..................................4 9
Wheels andtires .................................... 335
Sound see Burmes ter®
sur round soun dsy stem
see Sound settings
Sound settings
Ad jus ting thebalance/f ader............ ..... 297
Ad jus ting treb le,mid -rang eand bass
se tting s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 297
Au tomatic volume adjustment. .............. 297
Calls upthesound menu.................. ..... 297
Inf ormation.. .................................... ...... 297
Spar ewheel
see Emer gency sparewheel
Specia lseat beltretract or........ <0011001100110011001100110011001100110011001100110011001100110011
00110011> 54
Specialis two rkshop .................................... 27
Speed index(tir es).. ..................................3 50 St
andb ymode
Ac tivati ng/d eactiv ating........... ..............157
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>157
St anding lights........ ................................... 114
St art-of fassi st
see Optimized acceleration
St art/s topbutt on
Pa rking theve hicle.... ............................1 50
St artin gth eve hicle.... ........................... 132
Swi tching onthepo we rsupp lyor
ignitio n......... ..........................................131
St art/s topfunc tion
see ECO star t/ stop funct ion
St arterbatt ery
Ch argi ng(Remo teOnline) ......................1 34
St arting assistance
see Jump -sta rt connecti on
St arting theengine
see Vehicle
St arting-o ffaid
see Hillstar tassis t
St ation
Dele ting......... ........................................ 292 466
Index

W
Wa rning lam ps
see Warning/ indic ator lam ps
Wa rning system
see ATA(anti-t heftal ar m system)
Wa rning triang le
Re mo ving... ............................................ 314
Se tting up<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 315
Wa rning/indicat orlam p
0025 ABSwa rning lam p........................4 36
004D Brak esy stem warning lam p
(Canada only)........................................ 434
0027 Brakewa rning lam p(US Aonl y)....4 34
004D Brak es warning lam p(yello w)
(Canada only).................................... .... 433
ÿ Coolant warning lam p..................4 29
0024 Electricpar king brak eindi cator
la mp (red) (Canada only).......................4 32
0049 Electricpar king brak eindi cator
la mp (red) (USAonl y)............................4 32 003D
Electricalmalfunction warning
lam p.................................................. .... 431
00B9 Engine diagno siswarning lam p....4 30
00BB ESP®
OFF warning lam p...............4 37
00E5 ESP®
wa rning lam p......................4 36
00B6 Fuelreser vewarning lam p.. .........4 31
Ù Powe rst eer ing warning lam p
(r ed).. .................................................... 428
00C6 Recup erati ve Brak eSy stem
wa rning lam p(US Aonl y)................... .... 433
0075 Restra int system warning lam p.. .. 427
00E9 Seatbeltwarning lam p................4 27
ä Suspens ion wa rning lam p(yel‐
lo w). ...................................................... 435
0024 Theelect ric pa rking brak e(yel‐
lo w) indic ator lam p................................4 32
0077 Tire pressur emonit oring sys‐
te m wa rning lam p............................. .....4 38
L Warning lam pfo rdis tance
wa rning func tion. .............................. .... 435 Wa
rning/indicat orlam ps
Ov ervie w............................................... 425
PA SSENGER AIRBAG.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 46
Wa rranty ...................................................... 29
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (care)........... ................. 309
Wa terta nk
see Air-water duct
We ather information ................................. 255
what3w ords
Des tinatio nentr ywit ha3 wo rd
addr ess................................................. 238
Wh eel chang e
Lo we ring theve hicle. ............................3 63
Mou nting ane wwhe el...... .................... 362
Re mo ving awhee l........ ......................... 362
Re mo ving/ins talling hubcaps ...............3 59
Whee lro tat ion ...........................................3 58
Whee ls
Ca re<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 311
Chan ginghub caps ................................ 359
Chec king............................................... 335 In
de x 47
3