tow bar MERCEDES-BENZ C CLASS 2021 Owners Manual

#
Toadjus tth eseat cushionlengt h:liftle ve r
1 and slide thefront sect ionoftheseat
cushion forw ards orbac kwards. Ad
jus tingthe fron tse at elec tric all y 1
Headre stra int height
2 Seat backres tinc linat ion
3 Seat height
4 Seat cushio nlengt h
5 Seat cushio ninc linat ion
6 Seat fore -and -aftpos ition #
Save these ttings withth ememor yfunc tion
(/ page10 1). Ad
jus tingthe 4-waylum bar support 1
Higher
2 Softer
3 Lowe r
4 Firmer Sea
tsand stow ing 93

#
Push thehead restra int bac kwards and letgo
of release knob 2.
Ad jus tingthe head restra ints ofthere ar
seats mechanic ally #
Toraise: pullthehead restra int up. #
Tolowe r:press release knob 1 inthedir ec‐
tion ofthear row and push thehead restra int
do wn. Ins
talling/r emoving there ar seat head
re stra ints
Re mo ving #
Release there ar seat backres tand fold itfor‐
wa rdsslightly (/page10 5). #
Pullth ehead restra int upw ards asfaras it
wil lgo. #
Push release knob 1 inthedir ect ion ofthe
ar row and pulloutthehead restra int .
Ins talling #
Insertth ehead restra int suc hth at the
no tches onthebar areon thelef twhen
vie we din thedir ect ion oftra vel. #
Push thehead restra int down untilit
eng ages. #
Foldthere ar seat backres tbac kunt ilit
eng ages. Conf
iguringtheseat settings Multi
media system:
4 © 5
Comfort 5
Seat Comfort #
Select aseat.
Ad jus tingthe backres tsi de bolste rs #
Select SideBol sters . #
Adjus tth eair cushions . Seats
andstow ing 95

Ad
jus tingthe backres tco ntou rin the lumb ar
re gion oftheseat backres t(lum bar) #
Sele ctLumbar . #
Adjus tth eair cushions . Selecting
thema ssag epr og ram forthe fron t
se ats Mu
ltimed iasystem:
4 Vehicle 5
a Seats #
Select Driver'sSeat orPassenger. #
Select Massage. #
Select amassag epr ogr am.
The massag epr ogr am runs forapp roxima tely
9 to 15 minut es,depe nding onthese tting. #
Tosetth ema ssag eint ensit y:switc hHigh
Inten sityon0073 oroff0053. Re
setting seat settings Multimedia
system:
4 Vehicle 5
a Seats 5
Reset #
Select YesorNo. Depen
dingonwhe ther these ttings forth edr iv‐
er ’s or front passeng erseat areselect ed,only
th eselect edseat canberese t. Switc
hingtheseat heatingon/of f &
WARNIN GRisk ofburnsdue torepeat‐
edl yswitc hingontheseat heating
Re peat edly switc hingontheseat heating can
cause theseat cushion andseat backres t
padding tobecome very hot.
In par ticular ,th ehealt hof per sons withlimi‐
te dte mp eratur esensit ivityoralimit edability
to react tohigh temp eratur esma ybe affec‐
te dor they ma yev en suf ferbur n-lik einjur ies. #
Donotre peat edlyswitc hon theseat
heating. To
protect agains tove rheating, theseat heating
ma ybe temp orarily deactiv ated afte rit is
swi tched onrepeat edly. *
NO
TEDama getotheseats caused by
object sor document swhen theseat
heating isswitc hedon When
theseat heating isswitc hedon,over‐
heati ngmayoccur duetoobject sor docu‐
ment splaced ontheseats, e.g.seat cush‐
ions orchild seats .This could cause damag e
to theseat surface. #
Makesur eth at no obj ect sor doc u‐
men tsareon theseats when theseat
heating isswitc hedon. Re
quirement s:
R The powe rsupp lyis swi tched on. 96
Seats andstow ing

If
th era dar sensor sar eobs truct edbyvehicles
or other object s,de tection isno tpos sible.
Cr oss Traf fic Aler tis acti veund erthefo llo wing
con dition s:
R Ifth eve hicle isbac king upatwa lkin gpace.
R Maneuv ering assis tance isacti vated
( / pag e205).
% Also obser vetheins truction son Blind Spot
Assis tand ActiveBli nd Spo tAssi st
( / pag e18 3).
Sy stem limit s
Cr oss Traf fic Aler tis no tav ailable onincline s.
Ac tiv atin gor deac tivatin gmane uvering
ass ista nc e
Mu ltimed iasystem:
4 Vehicle 5
k Assist ance
5 Camera &Parkin g5
Maneuverin gAssist . #
Activate0073 ordeacti vate 0053 thefunc tion.
% Maneuv ering assis tance mustbe activ efo r
th efunc tion ofDrive Aw ayAssi st
( / pag e204) andCross Traf fic Aler t
(/ page 204) . Ve
hicl eto wing instruct ions
The vehicle isno tsuit able forth euse oftow bar
sy stems that areused forflat towing ording hy
to wing, forex am ple. Attach ing and using tow bar
sy stems canlead todamag eon theve hicle.
When youar eto wing ave hicle withto w bar sys‐
te ms, safedr iving charact eristic scan notbe
guar anteed forth eto wing vehicle ortheto we d
ve hicle. Thevehicle-tr ailercombination may
sw erve from side toside. Complywithth eper‐
mitt edtowing methods (/page32 7) and the
ins truct ions forto wing withbo th axle son the
gr ou nd (/ page 328). Dr
iving andparking 205

Re
plac ingthe 12Vbatt ery #
Obs erve theno teson the12 Vbatt ery
(/ page32 1).
Mer cedes-Benz recomme ndsthat youha ve the
12 Vbatt eryre placed ataqu alif ied spec ialist
wo rkshop, e.g.atan aut hor ized Mercedes-Benz
Cent er.
Obser vethefo llo wing notesif yo uwa ntto
re place thebatt eryyo urself :
R Alw aysre place afa ulty battery wit habatt ery
whic hmee tsthespecif icvehicle requ ire‐
men ts.
The vehicle iseq uipped withan AGMtech nol ‐
ogy batter y(A bso rbentGlas sMa t)or alith ‐
ium-io nbatt ery. Fu llve hicle functionality is
onl yguar anteed withan AGMbatt eryor lith‐
ium-ion battery. Fo rsaf etyre ason s,
Mer cedes-Ben zre comme ndsthat youon ly
use batteries whic hha ve been tested and
appr ovedfo ryo ur vehicle byMer cedes-Ben z.
R Carryove rde tach able parts,suc has vent
hos es,elbo wfitting orterm inal covers from
th ebatt erybeing replaced. R
Mak esur eth at theve nt hos eis alwa ys con‐
nect edtotheor iginal opening ontheside of
th ebatt ery.
Ins tallan yex istin gor supplied cellcaps.
Ot her wise, gases orbatt eryacid could
escape.
R Mak esur eth at detach able partsarere con‐
nect edinthesame way. To
w star ting ortowing away Pe
rm itted towing methods *
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist To
avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash Mer
cedes-Benz recomme ndstransp orting your
ve hicle inthecase ofabr eakdo wn,rath er than
to wing itaw ay.
Fo rto wing, useato w rope ortow bar withbo th
axle son thegr ound. Donotuse tow bar sys‐
te ms.
* NO
TEDama getotheve hicle duetotow‐
ing away inc orrectl y #
Obs erve theins truction sand noteson
to wing away. Br
ea kdo wnassista nce 32
7

th
eper missible gross mass ofyour ow n
ve hicle. If
ave hicle mustbe tow- star tedor towe daw ay,
its per missib legross weight mustno texc eed the
per missible gross weight oftheto wing vehicle. #
Information ontheper missible gross mass of
th eve hicle canbefound ontheve hicle iden‐
tif ication plate(/ page368). #
Vehicl eswith automatic transmiss ion:Do
no topen thedr iver's door orfront passeng er
door ,ot her wise theaut omatic transmiss ion
aut omaticall yshif tsto position 005D. #
Installth eto wing eye(/ page33 1). #
Fasten theto w bar .
* NO
TEDama gedue toinc orrect connec‐
tion oftheto w bar #
Onlyconnect theto w rope ortow bar to
th eto wing eyes. #
Deact ivat eth eaut omatic locking mechanism
(/ page69). #
Donotactiv ateth eHOLD function. #
Deact ivat eth eto w- aw ay alar m(/ page87 ). #
Deac tivateAc tiveBr ak eAssi st
( / pag e18 2). #
Vehicl eswith automatic transmiss ion:
Shif tth eaut omatic transmiss iontoposition
005C. #
Release theelectr icpar king brak e. &
WARNIN GRisk ofacci dent dueto limi‐
te dsaf ety-re lat ed func tionsdur ing the
to wing proce ss
Saf ety-re lat ed func tionsar elimit edorno lon‐
ge rav ailable inthefo llo wing situat ions:
R The ignit ionisswitc hedoff.
R The brak esy stem orpowe rst eer ing sys‐
te m ismalfu nctioning.
R The ener gysupp lyor theon- boar delectr i‐
cal system ismalfunct ioning.
When your vehicle isthen towe daw ay,signif ‐
icant lymor eef fort ma ybe requ ired tosteer
and brak eth an isno rm allyre qu ired. #
Use ato w bar . #
Mak esur eth at thesteer ing wheel can
mo vefreely beforeto wing theve hicle
aw ay. *
NO
TEDama gedue toexcess ive tracti ve
po we r If
yo upull away shar ply, thetractiv epo we r
ma ybe toohigh andtheve hicles couldbe
damag ed. #
Pull away slo wlyand smoo thly. Lo
adi ng the vehicl efo rtr ans port #
Obser vetheno teson towing away
( / pag e328). #
Connec tth eto w bar totheto wing eyein
or der toload theve hicle. #
Vehicl eswith automatic transmiss ion:
shif tth eaut omatic transmiss iontoposition
005C. Br
eakdo wnassis tance 32
9

Edi
ting thepr ev ious destination s........... 247
Ext ernal ............ .....................................247
Sa ving (current vehicle position)... ......... 247
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 247
St or ing amap position. .......................... 247
Des tinat ion entry
Ent ering a3 wo rdaddr ess............... ...... 238
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 232
Ent ering anintermed iate des tination.... 236
En tering geo-coor dinates..... ................. 238
Select ingacont act.... ........................ ... 237
Select ingaPOI.. .................................... 235
Select ingfrom themap.... ..................... 238
Select ingprev ious destination s.............2 35
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion.............................. 26
Digit alOper ator's Manua l... ....................... 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r
Eng aging drive po sitio n............ .............145
Eng aging neutr al....... .............................144
Eng aging park position .......................... 145 Eng
aging park position automatic ally....1 45
Eng aging reve rsege ar. ...................... .... 144
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>143
Disp lay(car e).............................................3 12
Disp lay(m ult imedi asy stem)
Se ttings. .......................................... ...... 221
Displa y(on-boa rdcom puter)
Dis play son themultifunc tiondispla y.... 209
Di spl aymes sage
Ca lling up(on-bo ardcom puter)..... ........ 379
No tes... ............................................. ..... 379
Disp laymes sages
00B2 ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 402
ç ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 402
003D 12VBatt erySee Oper ator's
Manual..... .............................................. 415
: ActiveHea dlamps Inoperati ve...... 386
é ATTENTION ASSISTInoper ative... .4 01
é ATTENTION ASSIST: Take a
Br ea k!<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>........402 :
Automatic HeadlampMode
Inoper ative....... ..................................... 385
0027 CheckBr ak eFlui dLe vel............... 400
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l......... ................................. 401
00BD CheckCool antLevelSee Oper‐
at or's Manual ........................................ 391
00B3 CheckEn gine OilAtNe xtRe fu‐
eli ng. ...... ............................................... 422
00B3 CheckEngi neOilLe vel(A dd 1
qu art).................................................... 423
: CheckLef tLo wBeam (exa m‐
ple)....... ................................................. 385
0077 CheckTire s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 418
00B2 CheckWa sher Fluid... .................. 390
ÿ CoolantTooHo tSt op Vehicle
Tu rn Engi neOff............ ..........................391
0025 Current lyUn available See
Operat or'sMan ual................................. 410 44
8
Inde x

Dr
iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away.... 394
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual.... ............................. 381
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual.... ............................. 381
Hazar dWa rning Flashe rsMalfunc‐
tioning. .................................................. 388
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual. ...................4 15
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 394
Only Shiftto 'P' when Vehicle isSta‐
tio nar y...................................................3 93
Pla cetheKe yin theMar kedSpace
See Oper ator's Manual. .........................3 84
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l......... ................................. 382
Ra dar SensorsDir tySee Oper ator's
Manual. .................................................. 414 Re
versing NotPo ssible Service
Re quired ................................................ 395
Ru nFla tIndi catorInop erati ve............... 422
Ser vice Required Do NotShif tGear s
Vi sit Dealer.... ........................................3 94
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.. .................. 395
Ti re Press. Monit orCur rently
Un available ............................................ 417
Ti re Press. Monit orInopera tive... ........... 417
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors.. .....................................4 18
Ti re sOv erheat ed................................... 420
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.. .................................. 394
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3
secs. orpress 3times...... ..................... 391
Tr ans miss ionMalfun ction Stop..... ........ 395 Displa
yon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Ch ild sa fety lock (rear door s)...................6 1
Loc king (emerg encykey). ........................ 70
Ope ning (from inside ).............................. 68
Un loc kin g(emer gency key). .................... 70
Un loc kin g(fr om insid e)...........................6 8
Door controlpan el....................................... 16
DO T,Tire Iden tificat ionNumbe r(TI N)..... 348
Dr aw bar
see Tow- bar system
Dr inking anddriving... ...............................1 36
Dr ive Awa yAssis t.... .................................. 204
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting.. ..............................................1 45 Inde
x45
1

Ext
erior mir rors
Anti-g lare mode (automatic).... .......... .... 123
Au tomatic mirrorfo lding function. .........1 25
Fo lding in/out.. .....................................1 22
Oper ating thememor yfunc tion.............1 01
Pa rking posit ion..................................... 124
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 122 F
Fa tig ue detection
see ATTENTION ASSIST
Fa vo rite s
Ad ding. .... ........................................ ...... 217
Callin gup ...............................................2 17
Del eting.. ...............................................2 17
Mo ving.. ............................................. ....2 17
Ov ervie w.. ..............................................2 16
Re nam ing<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>217
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> .......315
Flat tire
Chan gingawheel .................................. 359
MOE xtend edtires.. ................................ 316
No tes... ............................................. ..... 315
TIREFIT kit..............................................3 17 Flat
towing
see Tow- bar system
Floor mats.................................................. 113
Fo ilco vering
Ra dar and ultrasonic sensors................ 158
Fr ee sof tware.. ............................................ 34
Fr eq uencies
Tw o-w ayradio .................................. ...... 367
Fr ont airbag (driver ,fr ont passeng er).......4 1
Fr ont passeng erseat
see Seat
Fu el
Ad ditiv es.......................................... ...... 372
E1 0.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 371
Fu elreser ve<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 372
Gasolin e............................................. ....3 71
Qua lity(gaso line ).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 371
Re fuel ing.... ...........................................1 48
Sulfu rcont ent............ ............................ 371
Ta nk cont ent<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ................372
Fu nction seat
see Door controlpanel Fu
ses
Bef orere placing afuse .......................... 331
Dashboar dfuse box.............................. 333
Fu se assignment diagram...................... 331
Fu se boxin theengine compartmen t.... 332
Fu se boxin thefront -passen gerfo ot ‐
we ll....................................................... 334
Fu se boxin thetrunk... .........................3 34
No tes... .................................................. 331
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y.... .........................1 54
Opening orclosing thedoor.. ................1 54
Pr ogr amming buttons. ........................... 152
Re sol ving problems ...............................1 54
Sync hronizi ngthero lling code.. .............1 53
Gas station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 236
Swi tching theaut omatic searchon/
of f.......................................................... 242
Gasoli ne...................................................... 371 45
4
Inde x