spare tire MERCEDES-BENZ SLC ROADSTER 2019 Owner's Manual

Overview
ofthe engine compart-
ment ....................................................2 44
ASSYST PLUS......................................244
Ca re....... .............. ................................245 Breakdow
nassi stanc e....... .............. 251
Where willIfind...? ..............................251
Flat tire....... ......................................... 252
Battery (vehicle)....... ........................... 257
Ju mp-starti ng....... ................................260
Tow ingand tow-starti ng....... ...............263
Fuse s....... ............................................265 Whee
lsand tires ...............................267
Importa ntsafe tynotes ........................267
Opera tion............................................267
Winter operation....... ........................... 269
Tire press ure....... ................................ 270
Load ingthe vehi cle....... .......................279
All abo utwhe elsand tires ................... 281
Cha nging awhe el....... ......................... 288
Whee land tirecombi nations .............. .292
Emergency sparewhe el....... ................293 Techn
ical data ................................... 296
Informati onrega rding technical data
....... ............................ .......................... 296
Vehi cleelectronics ..............................296
Identifi cationplates ....... ......................297
Service products andfilling capa ci-
ties ....... ............................................... 298
Vehi cledata ......................................... 303 Co
nten ts
3

Gen
eral notes................................ 300
Not esabout oilgrad es...................3 00
Notes onoilleve l/consu mption....241
Temp erature(on-boa rdcom-
pute r,Merced es-AMG SLC43)...... 179
Ente ring anaddress
see also Digita lOpera tor'sMan-
ua l....... ...........................................217
ESP ®
(E lec tronic StabilityPro-
gram)
AMG menu (on-boa rdcompu ter)...180
Cha racteri stics................................. 61
Deactiva ting/activa ting(excep t
SLC 43AMG) ................................... 61
Deactiva ting/activa ting
(Me rcedes -AMGSLC43)....... ..........62
Displ aymessa ge....... ..................... 183
Function/notes ................................60
Gene ralnotes .................................. 60
Importa ntsafe tyinforma tion........... 61
Warni nglamp ....... .......................... 211
ETS/ 4ETS (Elec tronic Traction
Syste m)....... ......................................... 61
Exhaus tche ck....... ............................ 138
Exhaus tpipe (clean inginstruc-
tion s)....... ...........................................250
Exte riorlighting
Setting options....... ......................... 97
see Ligh ts
Exte riormirrors
Adjusting ......................................... 92
Dippi ng(automa tic)....... .................. 93
Fold inginwhe nlocking (on-
boa rdcompu ter)....... ..................... 179
Fold ingin/ou t(a utoma tically)......... 93
Fol ding in/o ut(electrica lly) ............. 93
Ou tof pos ition (tro ublesho oting )..... 93
Stori ngsetti ngs(memory func-
tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011[ 95
Stori ngthe parking position ............. 94
Ey eg las sesco mpartmen t<0011001100110011001100110011001100110011001100110011001100110011
0011[ 226 F
Fav orites
Ove rview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 219
Fi ller cap
see Refue ling Fi
llin gcapa citie s(Te chn ical data) ...298
Fl at tire
MOExte ndedtires<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 253
Pre paring thevehicle<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 252
TIR EFIT kit<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 254
see Emerg encysparewh eel
Fl oo rmats <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 238
Fre quen cies
Mob ile pho ne<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 296
Tw o-w ayrad io<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 296
Fue l
Add itives <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 300
Co nsu mpti onstatisti cs<0011001100110011001100110011001100110011001100110011001100110011
00110011[ 170
Disp laying the current consu mp-
tion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 171
Disp laying the rang e<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 171
Drivi ngtips<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 137
Fue lga ug e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 32
Gra de(gas oline )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 299
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 299
Pro blem (ma lfunction) <0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 134
Re fue ling <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 132
Ta nk content/re servefue l............. 299
Fue lfil lerflap
Ope ning <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 133
Fue lle ve l
Ca lling upthe rang e(o n-boa rd
comp uter)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 171
Fue ltank
Ca pacity <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 299
Pro blem (ma lfunction) <0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 134
Fus eall ocatio ncha rt(vehi cle too l
kit) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 252
Fus es
All oca tion chart<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 265
Befo recha nging <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 265
Fus ebox inthe engi necomp art-
ment <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 266
Fus ebox inthe trunk <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 266
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 265 G
Garag edoo rope ner
Cl ea ring thememo ry<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 237
Ge nera lnotes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 234
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 235
Ope ning/ closing the garag edoo r.. 237 10
In
dex

Tec
hnical data
Ca paciti es<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ...............298
Emer gency sparewh eel<0011001100110011001100110011001100110011001100110011001100110011
0011[ 294
Info rma tion<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .............296
Ti res /wh eels<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ..........292
Veh icleda ta <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ............303
TEL EAID
Ca llpri ority<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .............233
Emer gency call<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .......231
Ge nera lnotes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .........230
MB info callbu tton <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .233
Roa dside Assista ncebutton ..........232
Self-test ......................................... 230
System .......................................... 230
Vehi cleHeal thChe ck....... ............. 233
Tele phone
Accepting acall (multifunction
steeri ngwhe el)....... .......................174
Authori zingamobi lephone (con-
necting) ......................................... 221
Authori zingamobi lephone via
the devi cemana ger(connecting) ...222
Connecting amobi lephone
(de vice mana ger)........................... 222
Connecting amobi lephone (gen-
eral informa tion)............................ 221
Displ aymessa ge....... ..................... 205
Menu (on-boa rdcompu ter)....... ..... 173
Numb erfrom thephone book........174
Red ialing ....... ....... .......................... 174
Reje cting/endi ngacall ....... ..........174
see also Digita lOpera tor'sMan-
ua l....... .............. .............................217
Temperature
Coo lant ....... ................................... 168
Coo lant (on-boa rdcompu ter,
Merced es-AMG SLC43)....... .........179
Engine oil(on-boa rdcompu ter,
Merced es-AMG SLC43)....... .........179
Outsi detempera ture......................167
Setting (climate control) ................111
Transmi ssionoil (on-boa rdcom-
pute r,Merced es-AMG SLC43)...... 179
Timing (RACETIME R)....... .................. 180
Tire pressure
Ca lling up (on-boa rdcompu ter)..... 274
Che cking manually ....... .................273
Displ aymessa ge....... ..................... 201 Maxi
mum .......................................273
Not reach ed(TIR EFIT) .................... 256
Notes .............................................272
Rea ched (TIREFIT) .......................... 256
Reco mmended ...............................270
Tire pressure losswarni ngsys-
tem
Gene ralnotes ................................ 273
Importa ntsafe tynotes .................. 274
Res tarting ......................................274
Tire pressure monitor
Che cking thetire press ureelec-
tronical ly....... ................................. 276
Function/notes .............................274
Gene ralnotes ................................ 274
Importa ntsafe tynotes .................. 275
Ra dio type approval forthe tire
press uremonitor ........................... 278
Res tarting ......................................277
Warni nglamp ....... .......................... 216
Warni ngmessa ge....... ................... 276
Tire-c hange toolkit....... .................... 252
TIREF ITkit ....... ................................... 254
Importa ntsafe tynotes .................. 254
Storage location ............................ 252
Tire press urenot reach ed....... ....... 256
Tire press urereach ed....... ............. 256
Tires
Aspect ratio(definitio n)....... ..........287
Averag ewei ght ofthe vehi cle
occup ants(definitio n)....... ............. 286
Bar (definitio n)....... ........................286
Cha nging awhe el....... ................... 288
Cha racteri stics..............................286
Che cking ........................................ 267
Cu rbwei ght (definitio n)....... ..........287
Definiti onofterms .........................286
Direction ofrotatio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 289
Disp laymes sage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 201
Distr ibuti on ofthe vehicleoccu -
pa nts (defi niti on) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 288
DOT (DepartmentofTra nspo rta-
tion) (defi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 286
DOT, Tire Ide ntifi cationNumbe r
(T IN) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 285
GAW R(G ros sAxle Weight Rat-
ing )(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011[ 28718
In
dex

Weather
display(COMAND )
see alsoDigita lOpera tor'sMan-
ua l...... ...... ......................................217
Wheel andtirecombinatio ns
Tire s...... ......................................... 292
Wheel bolttighten ingtorque ........... 292
Wheel chock...... ................................289
Wheel s
Cha nging awhe el...... ....................288
Che cking ........................................ 267
Cl eani ng...... ................................... 249
Emergency sparewhe el...... ........... 293
Important safetynotes .................. 267
Informatio non drivi ng...... ..............267
<002C00510057004800550046004B00440051004A004C0051004A00120046004B
0044[ nging................ 288
Mou nting anew wheel...... .............291
Mou nting awhe el....... ................... 289
Overvi ew....... ................................. 267
Rem oving awhe el....... ................... 291
Storing ...........................................289
Tig htening torque....... .................... 292
Whee lsize/tire size.......................292
Wind screen
Inserting andremovi ng....... ............. 81
Prep aring for instal lation ..................81
see AIRG UIDE
Windo ws
see Side windows
Windsh ield
Defrosting ......................................112
Windsh ieldwashe rfluid
see Winds hieldwa sher system
Windsh ieldwashe rsyste m
Addi ngwasher fluid....... ................243
Importa ntsafe tynotes .................. 302
Windsh ieldwi pers
Displ aymessa ge....... ..................... 206
Prob lem(malfunction) ................... 105
Rep lacing thewiper blades ....... ..... 104
Switchi ngon/off ........................... 103
Winte rdrivin g
Importa ntsafe tynotes .................. 269
Slip pery road surfaces....... ............ 141
Snow chains....... ........................... 270
Winte roperatio n
Overvi ew....... ................................. 269
Winte rtires
M+S tires.......................................269 Wiper
blades
Cl eani ng....... .................................. 249
Importa ntsafe tynotes .................. 104
Rep lacing .......................................104
Worksho p
see Qualified speci alist worksh op Z
ZONE function
Switchi ngon/off ........................... 112 In
dex
21

Opera
tingAIRGUIDE X
To fold outAIRGUIDE: turndisc0043inthe
direct ionofthe arrow towards themiddle of
the vehicle tothe stop.
X Repeat withdisc0044.
X To fold inAIRGUIDE: turndiscs 0043and 0044
back behind therollbar tothe stop.
Disc s0043 and 0044can also beused independ-
ent lyof each other,e.g. when youaredriving
without apassenger. MAGIC
SKYCONTR OL
General notes MAGIC
SKYCONTROL isapanorama roof,the
tran sparenc yof which canbechanged by
applying electricalvoltage.
MAGIC SKYCONTROL canbeswitched
between darkenedand transparent states.
MAGIC SKYCONTROL darkensautomatic ally
after ashort period whenyouturn theSmart -
Key toposition 0092inthe ignition lockor
remove theSmart Key.
Risk ofelectric shock G
DANGER
MAGIC SKYCONTROL operatesusinghigh
voltage. Ifthe trim behind theoverhead con-
trol panel isdamaged orremoved, electrical compon
entswill beexposed. Ifyou touch
these compon ents,you could getanelectr ic
shock .There isarisk offatal injury.
R Never remove thetrim behind theover-
head control panel.
R Ifthe trim isdamaged, nevertouch the
electr icalcompon entsbehind it.
R Always havework onthe MAGIC SKY
CONTROL carriedoutataqualified spe-
cialist worksho p.
The electr icalcompon entsof MAGIC SKY
CONTROL areprotec tedbyapaneling behind
the overhead control panel.
The MAGIC SKYCONTROL control unit is
marked withayellow warning sticker that
warns youofhigh voltage. Theelectr iccables
of the high-vo ltagesectionare color orange.
Opera tingMAGIC SKYCONTR OL X
Turn theSmart Keytoposition 0047or0048 in
the ignition lock.
MAGIC SKYCONTROL switchestothe sta-
tus itwas settobefore theengin ewas
switched off.
X To
change thedegree oftranspa rency:
press button 0043.
At temper aturesbelowfreezing,thechange is
slower anduneven .The entireprocess may
take some time. Roof
83Opening andclosi ng Z

Use
Parking Guidance forparking spaces:
R paral leltothe direction oftravel
R on straight roads,notbends
R that areonthe same levelasthe road, i.e.
not onthe pavement, forexample. Parking
Assist PARKTRONIC maynotdetect flat
curbs
Parking tips:
R on narrow roads,driveasclosely aspossible
past theparking space
R parking spacesthatarelittered orover-
grown mightbeidentified ormeasured
incorrect ly
R parking spacesthatarepartiall yoccupied
by trailer drawba rsmight notbeidentified
as such orbe measured incorrectly
R snowfall orheavy rainmay lead toaparking
space beingmeasured inaccurately
R pay attent iontothe Parking Assist
PARKTRONIC warningmessages duringthe
parking procedure (Ypage 155)
R when transporting aload which protrudes
from yourvehicle, youshould notuse Park-
ing Guidance
R never useParking Guidance withsnow
chains oran emergency sparewheel moun-
ted
R Make surethatthetire pressures arealwa ys
correct .This hasadirect effectonthe steer-
ing characteristics.
R The way your vehicle ispositioned inthe
parking spaceafterparking isdependent on
various factors. Theseinclude theposition
and shape ofthe vehicles parkedinfront
and behind itand theconditions ofthe loca-
tion. Insome cases, Parking Guidance may
guide youtoofarornot farenough intoa
parking space.Insome cases, itmay also
lead youacross oronto thecurb. Ifneces-
sary, cancel theparking procedure with
Parking Guidance. Detec
tingparking spaces 0043
Detect edparking spaceonthe left
0044 Parking symbol
0087 Detect edparking spaceonthe right
Parking Guidance isautomaticall yactivated
when youdrive forwards. Thesystem isopera-
tional atspeeds ofup toapproximately
22 mph (35km/h ).While inoperation, the
system independently locatesandmeasures
parking spacesonboth sides ofthe vehicle.
When driving atspeeds below19mph
(30 km/h), youwillsee parking symbol0044as
a status indicator inthe instrument cluster.
When aparking spacehasbeen detected, an
arrow towards theright 0087orthe left 0043also
appea rs.Parking Guidance onlydispla yspark-
ing spaces onthe front -passenger sideas
standard. Parkingspacesonthe driver's side
are displa yedassoon asthe turn signal onthe
driver's sideisactivated. Topark onthe driv-
er's side, youmust leave thedriver's sideturn
signal switched onuntil youhave engaged
reverse gear.
Parking Guidance willonly detect parking
spaces:
R that areparal leltothe direction oftravel
R that areatleast 5ft (1.5 m)wide
R that areatleast 4.3ft(1.3 m)longer than
your vehicle
A parking spaceisdispla yedwhile youare
driving pastit,and until youareapproximately
50 ft(15 m)awa yfrom it.
Parking Moving
thevehicl einto thestop position
X Stop thevehicle whentheparking space
symbol showsthedesired parking spacein
the instrument cluster.
X Vehicles withmanual transmission: shiftto
reverse gear. Driving
systems
157Drivingandparking Z

so,
cont actyour local waste disposa lcom-
pany. Vehicle
toolkit
General notes The
vehicle toolkitcan befound inthe trunk
or inthe stowage wellunder thetrunk floor.
Apart fromcertain country-specific variations,
the vehicles arenot equip pedwith atire-
change toolkit.Some toolsforchanging a
wheel arespecific tothe vehicle. Formore
information onwhich toolsarerequired toper-
form awheel change onyour vehicle, consulta
qual ified speciali stworkshop.
Necessary tire-changing toolscaninclude, for
example:
R jack
R wheel chock
R lug wrench
R ratchet wrench
R alignment bolt
Vehicle swith aTIREFIT kit 0043
Tire seala ntfiller bottle
0044 Fuse alloca tionchart
0087 Tire inflation compressor
0085 Towing eye
X Lift the trunk floorup.
X Use theTIREFIT kit(Ypage 254).
i Example:
equipment andcountry-specific
variations possible. Vehicle
swith acol lapsible spare
wheel The
collapsi blespare wheel canbefound in
the stowage wellunder thetrunk floor
(Y page 227). 0043
Folding wheelchock
0044 Fuse alloca tionchart
0087 Jack
0085 Sheet forfaulty wheel
0083 Alignment bolt
0084 Lug wrench
006B Towing eye
006C Valve extract or
006D Tire inflation compressor
X Remove thecollapsi blespare wheel
(Y page 294). Flat
tire Prepar
ingthe vehicl e
Your vehicle maybeequip pedwith:
R tires withrun-flat characteristics
(MOExt endedtires)(Ypage 253)
Vehicle preparation isnot necessary on
vehicles withMOExt ended tires.
R an emergency sparewheel (Ypage 293)
Vehicles withtheMercedes-Benz emer-
gency callsystem: inthe event ofaflat tire,
you can cont actthe Mercedes-Benz emer-
gency callsystem customer center.
Vehicles equippedwith MOExt ended tiresare
not equip pedwith aTIREFIT kitatthe factory.
It is therefore recommended thatyouaddition-
ally equip yourvehicle withaTIREFIT kitifyou
mount tiresthatdonot feature run-flat charac- 252
Flat
tireBreakdown assistance

R
Do not drive with tire swh ich have too little
trea dde pth .Thi ssigni ficantl yred uce sthe
tra ctio non wetroa ds(hyd rop laning ).
R Re place thetiresaf ter six ye arsat the lat-
est, regardless ofwe ar. MOE
xtende dtire s(ti res with run-f lat
prope rties)
Wi th MOExte ndedtire s(ti res with runfla t
cha racteri stics) ,yo ucan conti nuetodrive your
veh icleeve nif the reisatota llo ss ofpre ssu re
in one ormor etire s.
MOExte ndedtire sma yonl ybe used incon-
juncti onwith an acti vetire pressu reloss wa rn-
ing system orwith an acti vetire pressu remon-
ito rand onwheelssp eci fically teste dby
Me rced es-Benz.
Note son drivin gwi th MOExte ndedtire swi th a
fla ttire (Ypage 253 ).
Veh icles equipp ed with MOExte ndedtire sar e
not equipp ed with aTIR EFIT kitatthe factory .
It is the refore reco mme ndedtha tyo uad ditio n-
al ly eq uip yo ur veh iclewi th aTIR EFIT kitifyo u
mou nttire stha tdo not featureru n-fl atcha rac-
teri stics, e.g.wi nter tires.ATIR EFIT kitcan be
ob tained fromaqu alifi ed speci alistwo rksh op. Win
terope ratio n Ge
neral notes
Hav eyo ur veh iclewi nter-p roofed ataqu alifi ed
sp eci alistwo rksh opatthe onse tof winter.
Ob ser vethe note sin the "Cha ngi ng awh eel"
sec tion(Y page 288 ). Dri
ving with summe rtire s
At temp eratures below 45 ‡(+7 †),su mme r
tire slo se elas tici tyand therefore tractio nand
bra king powe r.Ch ang ethe tireson your veh i-
cle toM+S tires.Us ing su mmer tiresatvery
cold tempera turescould cause cracks toform,
thereby damagingthetires perma nently.
Mercede s-Benzcannot acceptresponsi bility
for this type ofdama ge. G
WARNING
Damage dtires cancause tireinflati onpres-
sure loss. Asaresul t,you could losecontrol
of you rvehicl e.There isarisk ofaccide nt.
Check thetires regularlyforsigns ofdam-
age and repla ceany dama gedtires immedi -
ately . M+S
tires G
WARNING
M+S tireswithatire tread depth ofless than
00CF in(4 mm) arenot suitable foruse inwin-
ter and donot provid esuffici enttraction.
There isarisk ofan accide nt.
M+S tireswithatread depth ofless than 00CF
in (4 mm) must berepla cedimmedi ately.
At temperatu resbelo w45 ‡(+7 †), use win-
ter tires orall-season tires.Bothtypes oftire
are identifi edbythe M+S marking.
Only winter tiresbearing the004D snowfla ke
symbo lin add ition tothe M+S marking provide
the best possi blegrip inwintry roadcondi-
tions.
Only these tireswillall ow drivi ngsafety sys-
tems suchasABS andESP®
to function opti-
mall yin winter. Thesetireshave been devel-
oped specifi callyfor drivi nginsnow.
Use M+S tiresofthe same make andtread on
all whee lsto maintai nsafe handl ingcharacter-
istics.
Alwa ysobserve themaximu mpermis sible
speed specifiedfor the M+S tiresyouhave
mounted.
When youhave mounted theM+S tires:
X Check thetire pressu res(Ypage 273).
X Vehic lesforCanada: restartthetire pres-
sure losswarni ngsystem (Ypage 274).
X Resta rtthe tire pressu remonitor
(Y page 274).
Information aboutdrivi ngwith anemergency
spare wheel(Y page 293). Winter
operation
269Wheelsand tires Z

Snow
chains G
WARNING
If snow chains areinstalled tothe front
wheels, theymaydrag against thevehicle
body orchassis componen ts.This could
cause damage tothe vehicle orthe tires.
There isarisk ofan accident.
To avoid hazardous situations:
R never install snowchains tothe front
wheels
R alwa ysinstall snowchains inpairs tothe
rear wheels.
For safety reasons, Mercedes-B enzrecom-
mends thatyouonly usesnow chains that
have been specially approved foryour vehicle
by Mercedes-B enz,orare ofacorrespondin g
standard ofquali ty.For more information ,
please contactaquali fiedspecialist workshop.
If you inten dto mount snowchains, please
bear thefollowing pointsinmind:
R Snow chains maynotbemounted onall
wheel/tire combinations .Permissible
wheel-tire combinations (Ypage 292).
R Only usesnow chains whendriving onroads
completely coveredbysnow. Remove the
snow chains assoon aspossible whenyou
come toaroad thatisnot snow-cov ered.
R Local regulations mayrestrict theuse of
snow chains. Observe theappropriate regu-
lations ifyou wish tomount snowchains.
R Do not exceed themaximum permissible
speed of30 mph (50km/h).
You may wish todeactivate ESP®
when pulling
away withsnow chains installed (Ypage 61).
You canthereby allowthewheels tospin ina
cont rolled manner, achieving anincreased
driving force(cuttin gaction).
Inform ationabout driving withanemergency
spare wheel (Ypage 293). Tire
pressur e Tire
pressur especifications
Import antsafety notes G
WARNING
Underinflated oroverinflated tirespose the
following risks:
R the tires mayburst, especially asthe load
and vehicle speedincrease.
R the tires maywear excessively and/or
unevenly, whichmaygreatly impairtire
tract ion.
R the driving characterist ics,aswell as
steering andbraking, maybegreatly
impaired.
There isarisk ofan accident.
Follow recommen dedtireinflation pressures
and check thepressure ofall the tires
including thespare wheel:
R mont hly,atleast
R ifthe load changes
R before beginning along journey
R under different operating conditions,e.g.
off-r oad driving
If necessary, correctthetire pressure.
The data onthe Tire andLoading Information
placard andtirepressure tableshown hereare
examples. Tirepressure specifications are
vehicle-specific andmay deviate fromthedata
shown here.Thetirepressure specifications
that arevalid foryour vehicle canbefound on
the Tire andLoading Informationplacard and
tire pressure tableonthe vehicle.
General notes The
recommen dedtirepressures forthe tires
mounted atthe factory canbefound onthe
labels described here.
Operat ionwith anemergency sparewheel:
information onoperation withanemergency
spare wheel canbefound inthe general notes
in the "Emergenc yspare wheel" section
(Y page 294).
Further information ontire pressures canbe
obtained ataquali fiedspecialist workshop. 270
Tire
pressureWheels andtires

Avoi
dtire pressu res thatar etoo high inall
the tires,incl uding the sparewh eel.
Ove rinflated tiresma y:
R incr ease the braking dista nce
R ad ver selyaff ect handl ing
R we arexce ssivel yand /or unevenl y
R ha ve an adver seeffe cton ridecomf ort
R be more susce ptible to dama ge
Maxi mum tirepres sure s 0043
Exam ple: ma ximu mpermi ssible tire pres-
su re
Nev erexce edthe maximu mpermi ssible tire
infl ation pre ssu re.Alw aysob ser vethe reco m-
mend edtire pressu refor your veh iclewh en
ad jus ting thetire pressu re(Y page 270) .
i The
actu alvalues for tiresar eveh icle-sp e-
cifi cand mayde via tefrom thevalues inthe
il lu stra tion. Che
ckingthe tire pres sure s
Impo rtant safetynotes The
tirepressu remoni tordoes not warnyou
of:
R inco rrectly settire pressu re
R sudd en loss oftire pressu re,e.g.from afor-
ei gn object thatha spe netra tedthetire
Obs ervethe notes ontire pressu re
(Y page 270 ). Info
rma tionon airpre ssu refor the tireson
yo ur veh iclecan befou nd:
R on the vehicle's Tire and Loading Info rma -
tio nplaca rdon the B-pi llar
R on the tire pressu retab lein the fuel filler
fla p
R in the "Tire pre ssu re" section
Che ckingtire pres sure smanua lly To
determ ineand setthe corr ecttire pressu re,
pro cee das follows :
X Re move thevalve cap ofthe tire thatis to
be che cked .
X Pre ssthe tire pressu regaug esec urelyonto
the valve .
X Re ad the tire pressu reand comp areit to the
reco mme ndedva lue on the Tire and Loading
Info rma tionplaca rdorthe tire pressu re
tab le(Y page 270 ).
X Ifthe tire pressu reistoo low, incr ease the
tire pressu reto the reco mme ndedva lue.
X Ifthe tire pressu reistoo high, release air.
To do so, pressdown the meta lpi n in the
va lve ,us ing the tipofape nfor exa mpl e.
The nche ckthe tire pressu reagain us ing the
tire pressu reche cker.
X Screw thevalve cap onto thevalve .
X Re peat thes estep sfor the othe rtire s. Tire
pres sure loss wa rning sys tem
(C anada only)
Ge neral notes Whi
lethe vehicleis in moti on,the tire pres-
su re loss wa rning system monitorsthesettire
pre ssu reusing the rota tional speedofthe
wh eels.Thi sena bles the system todetect sig-
nifi cant pressu reloss inatire .If the speedof
rota tionof awh eelcha nge sas ares ultof a
lo ss ofpre ssu re,acorr espond ingwarning
mes sage willap pe ar inthe multifu nctio ndis-
pl ay .
Yo ucan reco gnizethe tire pressu reloss wa rn-
ing bythe Run FlatInd icator Active Run
FlatInd icator Active
Pre ss'OK'to Restart Pre
ss'OK'to Restartmes sage which
ap pe arsin the Serv. Ser
v.menu ofthe multifu nc-
tio ndispl ay.Info rma tionon the mes sage dis-
pl ay can befou ndinthe "Resta rting thetire Tire
pres sure
273Whe elsand tires Z