2019 MERCEDES-BENZ SLC ROADSTER engine

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

GVW
(GrossVeh icle Weigh t)(def -
ini tio n).... .......................................2 87
GVW R(G ross VehicleWei ght
Ra ting) (definitio n)....... .................. 287
Importa ntsafe tynotes .................. 267
Increase dvehi cleweight due to
optio nalequ ipme nt(de finitio n)...... 286
Informati onondrivi ng....... ............. 267
Kil opa scal (kPa)(de finitio n)....... .... 287
Lab eling (ove rview )<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 283
Loa dbe ari ng index(defi niti on) ...... 288
Loa dind ex<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 285
Loa dind ex(defi niti on) <0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 287
M+S tires<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 269
Ma ximu mload on atire (defi ni-
tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 287
Ma ximu mload ed veh iclewe ight
(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 287
Ma ximu mpermi ssible tire pres-
su re (defi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 287
Ma ximu mtire load <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 285
Ma ximu mtire load (defi niti on) ....... 287
MOExte ndedtires<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 269
Opti onaleq uipme ntwe ight (defi -
niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 288
Ove rview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 267
PSI (pou nds persqu are inch )
(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 287
Re placi ng <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 288
Servi celife <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 268
Sid ewall(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 288
Spe edrati ng(defi niti on) ................ 287
Stori ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 289
Structu reand characte ristics
(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 286
Sum mer tires<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 269
Tem peratu re<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 282
TIN (Tire Identifi cationNumbe r)
(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 288
Ti re bead (defi niti on) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 288
Ti re pre ssu re(defi niti on) ................ 287
Ti re pre ssu res (recomme nded)...... 286
Ti re size (data )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 292
Ti re size desig nati on,load -bea r-
ing capacity, spe edrati ng.............. 283
Ti re trea d<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 268
Ti re trea d(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 288
Tota llo ad limit (defi niti on) ............. 288 Tra
ctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 282
Tra ctio n(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 288
Tre adwear<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 282
Unif orm Tire Qua lity Gra ding
Stand ards<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 281
Unif orm Tire Qua lity Gra ding
Stand ards(d efi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 286
Wea rind icator (defi niti on) ............. 288
Whe eland tirecomb ination ........... 292
Whe elrim (defi niti on) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 287
see Flattire
Tow -starti ng
Emerg encyenginestarting ............ 265
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 263
Tow ing
Per mitte dtow ingmeth ods............ 264
Tow ingawa y
Imp orta ntsafety guideline s........... 263
Insta lling the towingeye................ 263
Re movi ngthe towingeye............... 264
Tra nspo rting thevehicle................ 265
Wi th both axles on the ground ....... 264
Wi th the rearaxl erai sed ................ 264
Traffi crepo rts
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 217
Trans mission
Ove rview oftrans mission pos i-
tions <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 125
Sel ector lever <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 125
see Auto matictrans mission
Trans mission pos ition display ......... 125
Trans portingthe vehic le<0011001100110011001100110011001100110011001100110011001100110011
00110011[ 265
Trip computer (on-b oard com-
puter) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 170
Trip odomete r
Ca lling up<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 170
Re setti ng(on-boa rdcomp uter)...... 171
Trunk
Emerg encyrelease <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 74
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 73
Locki ngsep arately<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 74
Ope ning/ closing (manually from
ou tsid e)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 74
Ove rview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 73
Trunk lid
Disp laymes sage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 204
Ope ning dimens ions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 303 In
dex
19

Trunk
partition
Dis play mes sage <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .....205
Ge nera lnotes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ...........80
Ope ning /clo sing <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .......81
Turn sign als
Dis play mes sage <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .....193
Swi tchi ngon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ .......99
Two -way radio
Freq uencie s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ............296
Insta llati on <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ..............296
Tra nsmi ssion outpu t(ma ximu m).... 296
Type identificatio nplate
see Vehicleidenti ficationplate U
Un lock ing
Emer gency unlocki ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 73
From inside the vehicle(ce ntral
unl ocki ngbutton) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ......72
Ups hiftin dic ator
(o n-bo ardcomp uter,Mer cedes-
AMG SLC43)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ ..........179
US Bdev ices
Co nnecti ngtothe Med iaInter -
fa ce <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[.224 V
Vehic le
Corre ctuse ....... ...............................27
Data acquisition ...............................28
Displ aymessa ge....... ..................... 203
Electronics .....................................296
Equi pment ....................................... 24
Indivi dualsettings .......................... 176
Limi tedWarr anty .............................28
Loadi ng.......................................... 279
Locking (inanemergency) ............... 73
Locking (SmartKey) .......................... 66
Loweri ng........................................ 292
Mai ntenance .................................... 25
Parking foralong perio d.... ............ 137
Pul ling away<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 120
Ra ising <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 290
REAC HRe gulation <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 27
Re por ting problems <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 28
Secu ringfrom rolling away ............ 289
Tow -star ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 263Tow
ingaway <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 263
Tra nspo rting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 265
Unlo cking (in an eme rgency) ........... 73
Unlo cking (SmartKey )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 66
Veh icleda ta <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 303
Vehi cle batte ry
see Batte ry(ve hicle )
Vehi cle data <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 303
Vehi cle dime nsions<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 303
Vehi cle eme rgencylo cki ng ................ 73
Vehi cle ide ntificatio nnumb er
see VIN
Vehi cle ide ntificatio nplate .............. 297
Vehi cle too lkit <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 252
Vide o
Ope ratingthe DVD <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 173
see also Digi talOpe rator'sMan-
ua l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011[ 217
VIN
Sea t<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 298
Ty pe plate <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 297 W
Warni ngand indic ator lamps
ABS <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 210
Active BrakeAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 215
Bra keAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 215
Bra kes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 210
Ch eck Engine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 213
Co olant <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 213
Dista ncewarning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 215
ESP ®
<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 211
ESP ®
OFF <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 212
Fue ltank <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 213
Ge nera lnotes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 208
Pa rking brake<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 212
PASSENG ERAIR BAG <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 39
Re ser vefue l<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 213
Re stra intsystem <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 212
Sea tbe lt<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 208
SPOR Tha ndl ing mod e<0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 212
Ti re pre ssu remoni tor<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 216
Warranty <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 24
Wash erflu id
Disp laymes sage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 20620
In
dex

Protecting
theenvironment General
notes H
Environmental
note
Daimler's declaredpolicyisone ofcompre-
hensive environm entalprotect ion.
The object ivesareforthe natural resources
that form thebasis ofour existen ceon this
planet tobe used sparingly andinamanner
that takes therequirements ofboth nature
and humanity intoaccount.
You toocan help toprotect theenvironm ent
by operating yourvehicle inan environm en-
tally responsible manner.
Fuel consumpt ionand therate ofengine,
transm ission,brakeandtirewear areaffec-
ted bythese factors:
R operating conditionsof your vehicle
R your personal drivingstyle
You caninfluence bothfactors. Youshould
bear thefollowing inmind:
Operating conditions:
R avoid shorttripsasthese increase fuel
consumpt ion.
R alwa ysmake surethatthetire pressures
are correct .
R do not carry anyunnecessary weight.
R remove roofracks onceyounolonger
need them.
R aregularly servicedvehiclewillcont ribute
to environm entalprotect ion.You should
therefore adheretothe service intervals.
R alwa yshave service workcarried outata
quali fiedspecialist workshop.
Personal drivingstyle:
R do not depress theaccelerator pedal
when startin gthe engine.
R do not warm upthe engine whenthevehi-
cle isstationary.
R drive carefully andmaintain asafe dis-
tance fromthevehicle infront .
R avoid frequent, suddenacceleration and
braking. R
change gearingood timeanduseeach
gear onlyupto00C3 ofits maximum engine
speed.
R switch offthe engine instationary traffic.
R keep aneye onthe vehicle's fuelcon-
sumption. Environmental
concerns andrecom-
mendat ions
Wherever theoperating instructionsrequire
you todispose ofmaterials, firsttrytoregen-
erate orre-use them.Observe therelevant
environm entalrulesandregulations whendis-
posing ofmaterials. Inthis way youwillhelp to
protect theenvironm ent. Genuine
Mercedes-Benz parts H
Environmental
note
Daimler AGalso supplie srecondit ioned
major assemblies andparts which areofthe
same qualityas new parts. Theyarecovered
by the same Limited Warranty entitlements
as new parts.
! Air
bags andEmergen cyTensioning Devi-
ces, aswell ascont rolunits andsensors for
these restraint systems, maybeinstalled in
the following areasofyour vehicle:
R doors
R door pillars
R door sills
R seats
R cock pit
R instrumen tcluster
R cent erconsole
Do not install accessories suchasaudio sys-
tems inthese areas. Donot carry out
repairs orwelding. Youcould impair the
operating efficiency ofthe restraint sys-
tems.
Have aftermark etaccessories installedata
quali fiedspecialist workshop.
You could jeopardize theoperating safetyof
your vehicle ifyou useparts, tiresandwheels
as well asaccessories relevanttosafety which Genuine
Mercedes-Benz parts
23Introdu ction Z

section
forsecuring objects,luggageorloads
(Y page 225).
Fastening seatbelts Observe
thesafety notesonthe seat belt
(Y page 40)and thenotes oncorrect useof
seat belts (Ypage 41). Basic
illustration
X Adjust theseat (Ypage 85).
The seat backrest mustbeinan almost
upright position.
X Pull theseat beltsmoothly outofseat belt
guide 0087and engage belttongue 0044into
belt buckle 0043.
The seat beltonthe driver’s seatandthe
front -passenger seatmaybetightened auto-
matically ,see "Belt adjustment"
(Y page 42).
X Ifnecessary, pullupon the shoulde rsection
of the seat belttotighten thebelt across
your body.
In order toattach thechild restraint system
securely inthe vehicle, theseat beltonthe
front -passenger seatisequip pedwith aspe-
cial seat beltretractor .Further information on
the "Special seatbeltretractor "(Y page 54).
Releasing seatbelts !
Make
surethattheseat beltisfully rolled
up. Otherwise, theseat beltorbelt tongue
will betrapped inthe door orinthe seat
mechanism. Thiscould damage thedoor,
the door trimpanel andtheseat belt. Dam- aged
seatbelts cannolonger fulfilltheir
protective functionandmust bereplaced.
Visit aqual ified speciali stworkshop.
X Press therelease buttoninthe belt buckle,
hold thebelt tongue firmlyandguide the
belt back.
Seat beltadjustment Mercedes-AMG
vehicles:the "belt adjust-
ment" function isnot avail able.
The belt adjustment isaconven iencefunction
integrated intoPRE-SA FE®
.With thisfunction,
the driver's andfront -passenger seatbelts are
adjusted tothe upper bodyofthe vehicle
occupant.
The seat beltstrap willslightly tightenif:
R the belt tongue isinserted intothebuckle
and
R the ignition isswitched on
The seat beltadjustment willapply acertain
tightening forceifany slack isdetected
between thevehicle occupant andtheseat
belt. Donot grab holdofthe seat belt.
The belt adjustment canbeswitched onand
off using theon-board computer
(Y page 178).
Belt warning forthe driver andfront
passenger The
0076 seatbeltwarning lampinthe instru-
ment cluster isareminder thatallvehicle
occupants mustweartheirseatbelts. Itmay
light upcont inuously orflash. Inaddition,
there maybeawarning tone.
Regard lessofwhether thedriver's seatbelt
has alread ybeen fastened, the0076 seatbelt
warning lamplights upfor sixseconds each
time theengine isstarted. Ifthe doors are
closed andthedriver's orfront -passenger seat
belt hasnotbeen fastened, the0076 seatbelt
warning lamplights upagai nafter thesixsec-
onds. Assoon asthe driver's andfront -
passenger seatbelts arefastened orafront
door isopened again,the 0076 seatbeltwarn-
ing lamp goesout.
If the driver's seatbeltisnot fastened after
the engine isstarted, anadditional warning
tone willsound. Thewarning toneswitches off
after sixseconds oronce thedriver's seatbelt
is fastened. 42
Occ
upant safetySafety

G
WARNING
If you leavechild renunsu pervi sedinthe
vehicl e,they couldset itin motion by,for
exampl e:
R rele ase theparki ngbrake.
R shift theautomatic transmissi onout of
the parki ngposi tion P.
R start theengine.
In add ition, theymayopera tevehicl eequ ip-
ment andbecome trapped.There isarisk of
an accide ntand injury .
When leaving thevehicl e,alw aystake the
SmartKey withyouand lock thevehicl e.
Never leavechild renunsu pervi sedinthe
vehicl e. G
WARNING
If perso ns,particu larlychild renaresubjec-
ted toprolo nged exposu reto extreme heat
or cold, there isarisk ofinjury ,possi bly
even fatal.Never leavechild renunattended
in the vehicl e. G
WARNING
If the child restrai ntsystem issub jected to
dire ctsunli ght,parts maygetvery hot.Chil-
dren mayburn themsel vesonthese parts,
particu larlyon the metal partsofthe child
restrai ntsystem. Thereisarisk ofinjury .
If you leavethe vehicl e,taking thechild with
you ,alw aysensure thatthechild restrai nt
system isnot expose dto dire ctsunli ght.
Protect itwith abla nket, forexampl e.Ifthe
child restrai ntsystem hasbeen expose dto
dire ctsunli ght,letitcool downbefore secur-
ing the child init. Never leavechild renunat-
tended inthe vehicl e.
Alwa ysensure thatallvehicl eoccupa ntshave
their seatbeltsfastened correctly andaresit-
ting prope rly.Particu larattention mustbepaid
to child ren.
Observe thesafety notesonthe seat belt
(Y pag e40) and thenotes oncorrect useof
seat belts(Y pag e41).
A booster seatmaybenecessa ryto achie ve
prope rseat beltposi tioning forchild renover 40
lbs (18 kg)until theyreach aheig htwhere
a three-poi ntseat beltcan beprope rlyfas-
tened withoutabooster seat. Spec
ialseatbe ltretractor G
WARNING
If the seat beltis rele ased whiledrivi ng,the
child restrai ntsystem willno longer be
secure dprope rly.The speci alseat belt
retractor isdisa bledand theinertia real
draw sin aportion ofthe seat belt.The seat
bel tcannot beimmed iatelyrefastene d.
There isan increas edrisk ofinjury ,possi bly
even fatal.
Stop thevehicl eimmed iately,pay ing atten-
tion toroad andtraffic conditions. Reacti-
vate thespeci alseat beltretractor and
secure thechild restrai ntsystem properly.
The seat belton the front-passenge r'sside is
equ ipped with aspeci alseat beltretractor.
When activated,thespeci alseat beltretractor
ensure sthat theseat beltcannot slacken once
the child seatissecure d.
Install ingachild restrai ntsystem:
X Make sureyouobser vethe child restrai nt
system manufacturer's installationinstruc-
tions.
X Pul lthe seat beltsmoothly outofthe belt
loop .
X Engage seatbelttongue inbel tbuckle .
Activating thespeci alseat beltretractor:
X Pul lthe seat beltout fullyand letthe inertia
reel retract itaga in.
Whil ethe seat beltis retracting, youshou ld
hear aratcheting sound.The speci alseat
bel tretractor isenabl ed.
X Push thechild restrai ntsystem downso that
the seat beltis tight anddoes notloos en. 54
Chi
ldren inthe vehi cleSafety

R
EBD (El ectro nicBrakeforce Dis trib ution)
(Y page 63)
R ADAPT IVEBRA KE(Ypage 64) Impo
rtant safety notes
If yo ufa ilto adaptyo ur drivin gsty leor ifyo u
ar eina ttenti ve,the drivin gsa fety system scan
nei the rred uce theriskof an acc ident nor
ove rride the laws ofphysics .Driv ingsafety
sy stem sar emer elyai ds designe dto assist
dri vin g.
Yo uar eres ponsi ble for mainta ining the dis-
tance tothe vehiclein fro nt, for veh iclesp ee d,
for braking ingo od time ,and forstaying in
la ne. Alwaysad aptyo ur drivin gsty leto suit
the prevailing roadand weath ercond itions and
ma inta inasa fe dista nce fromthe vehiclein
fro nt. Driv ecar efully.
The drivin gsa fety system sde scri bedonl y
wo rkas effecti velyas possi ble wh en the reis
ad eq uate conta ctbetwe enthe tiresand the
roa dsu rfa ce. Paypa rtic ular atte ntionto the
info rma tionreg arding tire s,reco mme nded
min imumtire trea dde pth setc. inthe "Wheels
and tires"sec tion(Y page 267) .
In wintry drivin gcond itions, alwa ysusewi nter
tire s(M +S tire s)and ifnece ssary,snow
cha ins.Onl yin thi swa ywi llthe drivin gsa fety
sy stem sde scri bedin thi ssec tionwo rkas
eff ecti velyas possi ble. ABS
(Anti -lock Braki ngSys tem)
Ge neral info rmatio n ABS
regulate sbra kepre ssu reinsuch awa y
tha tthe wheelsdo not lock when youbra ke.
Thi sal lo ws youto conti nuesteeringthe vehi-
cle when bra king .
The 0025 ABSwarning lamp inthe instrument
clu ster lights upwhen the igniti onissw itch ed
on. Itgo es outwh en the engineisrunning .
ABS works fromasp ee dof abou t5 mph
(8 km/h ),reg ardless ofroa d-surface cond i-
tio ns. ABS works onslip pe ry surfa ces ,eve n
wh en youonl ybra kegently . Impo
rtant safety notes i
Ob
ser vethe "Impo rtantsafety note s"sec -
tio n(Y page 57) . G
WA
RNING
If ABS isma lfunctio ning,the wheelscou ld
lo ck when bra king .The stee rability and
bra king characteri stics wo uld be sev erely
af fecte d.The reisan incr eased dange rof
ski dding and accidents .
Driv eon car efully. Hav eABS checked imme-
di ate lyat aqu alifi ed speci alistwo rksh op.
Wh enABS isma lfunctio ning,othe rsy stem s,
incl uding drivin gsa fety system s,willal so
be come inoperative .Ob ser vethe informa tion
on the ABS warning lamp (Ypage 210 )and
di sp laymes sage swh ich maybe sho wninthe
ins trument cluster (Ypage 183 ).
Brake s X
IfABS interv enes:conti nuetodepre ssthe
bra kepedalvig oro uslyunti lthe braking sit-
ua tio nis ove r.
X To make aful lbrak eappl icatio n:depre ss
the brakepedalwi th fullfor ce.
If ABS intervenes when bra king ,yo uwi llfee la
pu lsing inthe brakepedal.
The pulsati ng bra kepedalcan beanind ication
of hazar dous roa dcond itions, andfunctio nsas
a rem inderto take extra carewh ile dri vin g. BAS
(Brak eAs sist Sys tem)
Ge neral info rmatio n BAS
opera tes ineme rgency braking situa tions.
If yo ude pre ssthe brakepedalqu ickl y,BAS
au toma tically bo osts thebraking force, thus
sho rteni ngthe stop ping dista nce.
Impo rtant safety notes i
Ob
ser vethe "Impo rtantsafety note s"sec -
tio n(Y page 57). Dr
ivi ng safet ysy stem s
57Safet y Z

4
mph (7km/h) .It use srada rsensor technol-
ogy toasse ssthe traffic situation.
Up toaspee dof app roxima tely155 mph
(250 km/h) ,Adap tiveBrake Assist iscapa ble
of reacti ngtomoving objects thathave
al read ybee ndetected assuch atlea stonce
over theperiodofobse rvatio n.
Up toaspee dof app roxima tely44mph
(70 km/h) ,Adap tiveBrake Assist reacts to
stationa ryobsta cles.
If Adap tiveBrake Assist demandsparti cularly
high braki ngforce, preventative passenger
protectio nmeas ures(PRE-SAFE ®
)are activa -
ted simu ltaneo usly(Y pag e53) .
X Keep thebrake pedaldep resse duntil the
emerg encybrakingsitua tionisover.
ABS preve ntsthe whe elsfrom locking.
The brake swil lwork normal lyaga inif:
R you release thebrake pedal
R there isno longe rany dange rof acoll ision
R no obsta cleisdetected infront ofyou rvehi -
cle
Adap tiveBrake Assist isthen deactivated .
Important safetynotes G
WARNING
Adap tiveBrake Assist cannot alwa ysclea rly
ide ntify objects andcompl extraffic situa-
tions.
In such cases ,Adap tiveBrake Assist can:
R intervene unnecessarily
R not intervene
There isarisk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead yto brake .Termi nate
the interventio nin anon-critical drivingsit-
ua tion. G
WARNING
Adap tiveBrake Assist doesnotreact:
R to peop leor anima ls
R to oncoming vehicles
R to crossi ngtraffic
R whe ncornering As
aresu lt,the Adap tiveBrake Assist may
not intervene inallcritica lconditio ns.There
is arisk ofan accid ent.
Alwa yspay carefu lattention tothe traffic
situa tionandberead yto brake .
Alwa ysada ptyou rspee dto sui tthe preva il-
ing road andtraffic conditio ns.
Due tothe nature ofthe system, particularly
compl icated butnon-critical drivingconditio ns
may also cau seAdap tiveBrake Assist tointer-
vene.
If Adap tiveBrake Assist isnot available due to
a mal function inthe rada rsensor system, the
brake system remai nsava ilable with fullbrake
boos tingeffect andBAS. Adaptive
brakelights
i Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57) .
If you brake sharplyfrom aspee dof more than
50 km/h orifbraki ngisassi sted byBAS or
Brake Assist withCross-Traffi cAssist, the
brake lamps flash rapi dly.In this way,traffic
travel ingbehi ndyou iswa rned inan even
more noticea blemanner.
If you brake sharplyfrom aspee dof more than
70 km/h toastandsti ll,the haza rdwa rning
la mps areactiva tedautomatica lly.If the
brake sare appliedaga in,the brake lamps light
up continuou sly.The haza rdwa rning lamps
swi tch offautomatica llyifyou travel faster
than 10km/h. Youcanalso swi tch offthe
haza rdwa rning lamps using the haza rdwa rn-
ing button (Ypag e99). ESP
®
(E lec tronic StabilityProgram)
Gene ralnote s i
Obse
rvethe "Imp ortant safetynotes" sec-
tion (Ypag e57) .
ESP ®
monitors drivingstabi lityand traction,
i.e. pow ertransmis sionbetwe enthe tires and
the road surface.
If ESP ®
detects thatthevehi cleisdevi ating
from thedirection desiredbythe drive r,one or
more wheelsare brake dto stabi lizethevehi -
cle. The engine outputis also modi fiedtokeep 60
Driv
ingsafety systemsSafety