2020 MERCEDES-BENZ SLC warning lights

1,
2,3. ..
12 Vsocket
see Sockets A
ABS (Anti-lock Braking System )
Display message ............................ 184
Func tion/notes .............................. .. 57
Import antsafety notes.................... 57
Warnin glamp .................................2 11
Ac cident
Automa ticmeas uresafter an
accid ent....... ....................................53
Acoust iclockin gverifica tions ig-
nal
Activat ing/de activat ing (mult i-
med iasyst em) ...............................1 79
Ac tivatin gmedia mode
Gene ralnotes ................................ 224
Ac tivatin g/deactivating cooli ng
wi th air dehumidif ication .................110
Ac tive Brake Assist
Activating ordea ctivating .............. 176
Displ aymessa ge....... ..................... 189
Function/notes ................................58
Ac tive Distanc eAssist
DI STRONIC
Ca lling up aspee d................. 146,147
Cru isecontrol lever <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 146
Dea ctiva ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 150
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 200
Disp lays inthe multifunction dis-
pl ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 149
Drivi ngtips.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 150
Functi on/note s.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 144
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 145
Indi cato rand warning lamp ........... 216
Setting thespecified mini mum
di sta nce <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 149
Stopp ing<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 148
Stori ngaspeed <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011[ 147
Wa rning lamp <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 216
Ac tive light func tion<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 100
AD APTIVE BRAK E<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 64
Adapti veBrake Assist
Functi on/note s.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 59Adapti
vebrake lights <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 60
Adapti veDampi ngSys tem
Functi on/note s.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 153
Adapti veHig hbe amAssist
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 195
Functi on/note s.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 100
Swi tching on/off.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 100
Addi tives(en gine oil) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 302
Addre ssbook
see also Digi talOpe rator'sMan-
ua l.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011[ 218
Adjus tingthe volume
Mu ltimed iasystem <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 219
Ai rb ags
Depl oyment <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 50
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 192
Front airb ag (driv er, front
pa sse nger ).<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 44
Hea dbag<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 45
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011[ 43
Introd uction<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 43
Knee bag. <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 45
Occu pant Clas sif ica tion System
(OC S)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 46
PASSENG ERAIR BAG indicator
la mps <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 39
Sid eimp act airb ag <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 45
Ai rv ents
Imp orta ntsafety notes <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 115
Setting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 115
Setting theblow eroutpu tofthe
AIR SCAR Fvents <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 116
Setting thecenter airv ents ........... 115
Setting thesidea irvents ............... 115
Swi tching AIRSCAR Fon/of f............ 89
Ai r-co nditioning sys tem
see Clima tecontrol
AI RGUI DE<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 82
AI RSC ARF
Pro blem (ma lfunction) <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 89
Swi tching on/off.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 89
AI RSC ARF vents
Setting theblow eroutpu t.............. 116
Al arm
ATA (Anti -TheftAla rm system )......... 64
Swi tching off(ATA) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 64
Swi tching thefuncti onon/of f
(ATA) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 644
In
dex

Dat
a
see Technica ldata
Dat acarrier
Se lec ting ...... .................................. 174
Day time runnin glam ps
Di spla ymessage ............................ 194
Fun ction /notes ................................ 97
Swi tchin go n/off( on -boar dcom -
put er) .............................................1 77
De clarations ofconformity .................27
De corative film
Cl eani nginstructio ns....... .............. 249
De laye dswitch-off
Exterior lighting (on-boa rdcom-
pute r)....... ......................................178
Interior lighting ..............................178
Di agno sticsconnectio n....... ...............27
Digit alOp erator 's Ma nua l
He lp................................................ .2 2
Introduction .....................................2 2
Digit alsp eed omete r.........................1 72
Di splay messag es
ASSYST PLUS................................ 245
Ca lling up (on-boa rdcompu ter)..... 183
Driving systems .............................198
Engine .............. ..............................195
Gene ralnotes ................................ 183
Hidi ng(on-boa rdcompu ter)....... ....183
KEYLESS-GO .................................. 208
Ligh ts....... ......................................194
Safety systems ..............................184
SmartKey .......................................207
Tire s....... ....... ................................. 202
Vehi cle....... ....... .............................204
Di stanc ereco rder
see Odome ter
see Trip odome ter
Di stanc ewarni ng(warning lamp)....216
Di stanc ewarni ngfunc tion
Function/notes ................................58
Do ors
Automa ticlocking (on-board
compu ter)....... ...............................179
Automa ticlocking (switch) ...............73
Cen tral loc kin g/unlo cking
(Sm artKey) .......................................6 6
Con trol pan el...................................3 7
Dis play mes sage ............ ................206 Emer
gency locking ............ ...............73
Emer gency unlocki ng............ ........... 73
Imp orta ntsafety note s.<0011001100110011001100110011001100110011001100110011001100110011
001100110011[ 71
Ope ning (frominside).<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011[ 72
Ove rview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 71
Dri nki ngand drivi ng<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011[ 137
Dri veprog ram
Auto matictrans mission <0011001100110011001100110011001100110011001100110011001100110011
0011[ 128
Disp lay. <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 125
SETUP (on-boa rdcomp uter,
Mer cedes-AM Gvehicles) ............... 181
Dri ver's doo r
see Doors
Dri vin g
Tow ingvehicles <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011[ 124
Dri vin gabro ad
Mer cedes-Be nzServi ce<0011001100110011001100110011001100110011001100110011001100110011
0011[ 246
Dri vin go nfloode droads <0011001100110011001100110011001100110011001100110011001100110011
00110011[ 141
Dri vin gsafe tysys tem
Active BrakeAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 58
Dri vin gsafe tysys tems
ABS (Anti-lock Bra king System) ....... 57
ADAPTIV EBRAK E.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 64
Ada ptive Bra keAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 59
Ada ptive bra kelights <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011[ 60
BAS (BrakeAssi stSys tem) .............. 57
Dista ncewarning function............... 58
EBD (electroni cbrake force dis-
trib ution) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 63
ESP ®
(El ectro nicStab ility Pro -
gra m) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 60
Imp orta ntsafety informa tion ........... 57
Ove rview <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 56
Dri vin gsystem
AMG sportssuspe nsio n
(Me rced es-AM GSLC43) ............... 153
Dri vin gsystems
Ada ptive Damp ingSystem ............. 153
ATTEN TIONA SSIST <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011[ 163
Bli nd Spot Assist<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 164
Cru isecontrol <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011[ 142
Disp laym essage <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011[ 198
DISTR ONICPLUS.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011[ 144
HOLD function<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011[ 152
La ne Kee ping Assi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011[ 166
La ne Tra cking packag e.<0011001100110011001100110011001100110011001100110011001100110011
0011[ 164
Pa rking Guidance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011[ 157
PAR KTRONIC <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 1548
In
dex

Res
traint system warn ingl amp
The functi onsofthe restrai ntsystem are
checke dafterthe igniti onisswi tched onand
at reg ular inter valsw hile the engi neisrunni ng.
The refo re,mal functi onscanbedete cted in
goo dtime .
The 0075 restrai ntsystem warning lamp on
the instru ment cluster lights upwhen the igni-
tion isswi tched on.Itgoe soutno later than a
few seco ndsafterthe veh iclei ss tarted. The
res trai ntsystem isope rationa l.
Am alfuncti onhaso ccu rred ifthe 0075
res trai ntsystem warning lamp:
R doe snotlight upafte rthe igniti onis
swi tched on
R doe snotgo outa fte raf ewseco ndswith the
engi nerunni ng
R lights upagainw hile the engi neisrunni ng G
WARNI
NG
If the restrai ntsystem ismal functi oning,
res trai ntsystem components maybetrig -
ger edunintentio nallyor may notbetrig -
ger edasintend edinthe eventofan acci -
dent. Thism ayaffect the Emerg encyTen-
sio ning Devicesorairb ags,for exa mpl e.
The reisar isko finju ry.
Have therestrai ntsystem checke dand
rep aired imm ediate lyat aq ualifi ed spe cialist
wo rksho p. PA
SSE NGER AIRB AG indic ator lamp PASSENG
ERAIR BAG ONindicator lamp 0043
and PASSENG ERAIR BAG OFFindicator
la mp 0044are partof the Occu pant Clas sif ica -
tion System (OCS). The
indicator lamps displ aythe statu softhe
front-p asseng erfront airb ag:
R PASSENG ERAIR BAG ONlights upfor
60 seco nds, subse quently bothindicator
la mps areoff(PASSEN GERAIRBAG ONand
OFF): thefront-p asseng erfront airb ag is
ab leto dep loyi nt he eve ntofan acci dent.
R PASSENG ERAIR BAG OFFlights up:the
front passe nger front airb ag isdea ctiva ted.
It wi llthen notbedep loye di nt he eve ntof
an acci dent.
If the PASSENG ERAIR BAG ONindicator lamp
is off, only thePASSENG ERAIR BAG OFFindi-
cato rlam pshows the statu softhe front-
pa sse nger front airb ag.T he PASSENG ERAIR
BAG OFFindicator lamp may belitc ontinu -
ou sly orbe off.
Depe nding on the person inthe front-
pa sse nger seat,the front-p asseng erfront air
ba gm uste ither bedea ctiva tedorena bled;
see thefollowi ng points. Youm ustm ake sure
of this both before and during ajou rney .
R Chi ldre ninac hild res train tsystem:
wh ethe rthe front-p asseng erfront airb ag is
ena bled ordea ctiva teddepends onthe
insta lled childres trai ntsystem, andtheage
and size ofthe child.T he refo re,besure to
obs erve thenotes onthe "Occup antClas sif i-
cati onSys tem (OCS)"(Ypage 46)and on
"C hildre nint he veh icle" (Y page 53).
The reyouw illa lsof ind instr uctions onrea r-
wa rdand forw ard-faci ngchildres trai ntsys-
tems onthe front-p asseng ersea t.
R Allo the rpers ons:dep endi ngon the classi-
fica tion ofthe person inthe front-p asseng er
sea t,the front-p asseng erfront airb ag is
ena bled ordea ctiva ted(Ypage 46).Be
su re to obs erve thenotes on"Se at
bel ts“ (Ypage 39) and "airba gs"
(Y page 43).The reyouc an also find infor-
mati ononthe corre ctsea tposition. Se
at belts
In troduc tion Sea
tbelts are the most effective meansof
res tricti ngthe move ment ofveh icleo ccu pants
in the eventofan acci dent orthe vehicler oll-
ing over.Thi sreduce sthe risko fveh icleo ccu -
pa nts comi nginto conta ctwith parts ofthe
veh iclei nter ioro rb eing ejecte dfrom thevehi-
cle .Furth ermo re,the seatbelth elps tokeep Oc
cupan tsafe ty
39Safety Z

section
forsecuring objects,luggageorloads
(Y page 226).
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 "(Ypage 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 aqualified speciali stworkshop.
X Press therelease buttoninthe belt buckle,
hold thebelt tongue firmlyandguide the
belt back.
Seat beltadjustment Mercedes-AMG
vehicles:the seat belt
adjustment functionisnot avail able.
The seat-belt adjustment isan integral partof
the PRE-SA FE®
conven iencefunction. This
function adjuststhedriver's andfront -
passenger seatbelttothe upper bodyofthe
vehicle occupants.
The belt strap istightened slightlywhen:
R the belt tongue isengaged inthe buckle and
R the ignition isswitched on
The seat-belt adjustment willapply acertain
retraction forceifany slack isdetected
between thevehicle occupant andtheseat
belt. Donot hold ontothe seat belttightly
while itis adjusting.
You canswitch theseat-belt adjustment on
and offinthe on-board computer
(Y page 180).
Belt warning forthe driver andfront
passenger The
0076 seatbeltwarning lampinthe instru-
ment cluster isar eminder thatallvehicle
occupants mustweartheirseatbelts. Itmay
light upcont inuously orflash. Inaddition,
there maybeaw arning 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

OFF):
thefront -passenger frontairbag is
able todeploy inthe event ofan accident.
R PASSE NGERAIRBAG OFFlights up:the
front passenger frontairbag isdeactivated.
It will then notbedeploy edinthe event of
an accident.
If the PASSE NGERAIRBAG ONindicator lamp
is off, only thePASSE NGERAIRBAG OFFindi-
cator lampshows thestatus ofthe front -
passenger frontairbag. ThePASSE NGERAIR
BAG OFFindicator lampmaybelitcont inu-
ously orbe off.
If the status ofthe front -passenger frontair
bag changes whilethevehicle isin motion, an
air bag displa ymessage appearsinthe instru-
ment cluster (Ypage 192). When thefront -
passenger seatisoccupied, alwayspay atten-
tion tothe PASSE NGERAIRBAG OFFindicator
lamp. Beawa reofthe status ofthe front -
passenger frontairbag both before andduring
the journey. G
WARNING
If the PASSE NGERAIRBAG OFFindicator
lamp islit, the front -passenger frontairbag
is disabl ed.Itwill notbedeploy edinthe
event ofan accident andcannot perform its
intended protective function.Aperson inthe
front -passenger seatcould then,forexam-
ple, come intocontactwith thevehicle's
interior, especiallyifthe person issitting too
close tothe dashboa rd.This poses an
increased riskofinjury oreven fatalinjury.
When thefront -passenger seatisoccupied,
alwa ysensure that:
R the classification ofthe person inthe
front -passenger seatiscorrect andthe
front -passenger frontairbag isenabled or
disabl edinaccordance withtheperson in
the front -passenger seat
R the front -passenger seathasbeen moved
back asfar back aspossible .
R the person isseated correctly.
Make sure,bothbefore andduring thejour-
ney, thatthestatus ofthe front -passenger
front airbag iscorrect . G
WARNING
If you secure achild inar earward-facing
child restraint systemonthe front -
passenger seatandthePASSE NGERAIR
BAG OFFindicator lampisoff, thefront -
passenger frontairbag candeploy inthe
event ofan accident. Thechild could be
struck bythe airbag. Thisposes an
increased riskofinjury oreven fatalinjury.
Make surethatthefront -passenger frontair
bag hasbeen deactivated. ThePASSE NGER
AIR BAG OFFindicator lampmust belit.
NEVER usearearward-facing childrestraint
on aseat protected byan ACTIVE FRONT
AIRBAG infront ofit;DEA THorSERIOUS
INJURY tothe child canoccur.
If the PASSE NGERAIRBAG OFFindicator lamp
stays off,donot install arearward-facing child
restraint systemonthe front -passenger seat.
You canfind more information onOCS under
"Proble mswith theOccupant Classification
System" (Ypage 49). G
WARNING
If you secure achild inaf orward-facing child
restraint systemonthe front -passenger seat
and youposition thefront -passenger seat
too close tothe dashboa rd,inthe event of
an accident, thechild could:
R come intocontactwith thevehicle's inte-
rior ifthe PASSE NGERAIRBAG OFFindi-
cator lampislit, for example
R be struck bythe airbag ifthe
PASSE NGERAIRBAG OFFindicator lamp
is off
This poses anincreased riskofinjury or
even fatalinjury.
Move thefront -passenger seatasfar back
as possible .Alway smake sure thatthe
shoulde rbelt strap iscorrect lyrouted from
the vehicle beltguide tothe shoulde rbelt
guide onthe child restraint system.The
shoulde rbelt strap mustberouted forwards
and downwards fromthevehicle beltguide .
Alway sobserve thechild restraint system
manufacturer's installationinstructions. Occ
upant safety
47Safety Z

If
OCS determines that:
R The front-passenger seatisunoccupi ed,the
PASSENGER AIRBAG OFFindicator lamp
lights upafter theself-test andremains lit.
This indicates thatthefront-passenger front
air bag isdeactiva ted.
R The front-passenger seatisoccupie dbya
child ofup totwelve months old,inas tand-
ard child restraint system,thePASSENGER
AIR BAG OFFindicator lamplights upafter
the self-test andremains lit.This indicates
that thefront-passenger frontairbag is
deactiva ted.
But even inthe case ofat welve-month-old
child, inas tandard childrestraint system,
the PASSENGER AIRBAG OFFindicator
lamp cangoout after theself-test. Thisindi-
cates thatthefront-passenger frontairbag
is enabled. Theresul tofthe classi fication is
depende nton, among otherfactors, the
child restraint systemandthechild's stat-
ure. Make surethattheconditions foracor-
rect classi fication aremet. Ifthe
PASSENGER AIRBAG OFFindicator lamp
remains off,donot install achild restraint
system onthe front-passenger seat.
R The front-passenger seatisoccupie dbya
person ofsmall erstature (e.g.ateenager or
small adult),the PASSENGER AIRBAG OFF
indicator lampeither lightsupand remains
lit after theself-test dependingon the resul t
of the classi fication or,alternativel y,goes
out.
- Ifthe PASSENGER AIRBAG OFFindicator
lamp isoff, move thefront-passenger seat
as far back aspossib le.
- Ifthe PASSENGER AIRBAG OFFindicator
lamp islit, aperson ofsmall erstature
shoul dnotuse thefront-passenger seat.
R The front-passenger seatisoccupie dbyan
adu ltor ap erson ofcorresponding stature,
the PASSENGER AIRBAG OFFindicator
lamp goesoutafter theself-test. Thisindi-
cates thatthefront-passenger frontairbag
is enable d.
If childre naretraveling inthe vehicle ,bes ure
to observe thenotes on"Ch ildre nint he vehi-
cle" (Ypage 53).
When theOccupant Classifica tionSystem
(OCS) ismalfu nctioning, thered 0075 restraint
system warning lamponthe instrument clus-
ter and thePASSENGER AIRBAG OFFindica-
tor lamp lightupsimul taneousl y.The front- passe
ngerfront airbag isdeactiva tedinthis
case anddoes notdepl oyduri nganaccident.
Have theOccupant Classifica tionSystem
(OCS) checked andrepai redimmedi atelyata
qua lifiedspecia listworkshop. Mercedes-Benz
recommends thatyouuseanauthori zed
Mercedes-Benz Centerforthis purpo se.
If the front-passenger seat,theseat cover or
the seat cushio naredama ged,have thenec-
essary repairwork carried outataq ualifie d
specia listworkshop. Mercedes-Benz recom-
mends thatyouuseanauthori zedMercedes-
Benz Center forthis purpo se.
For safety reasons, Mercedes-Benz recom-
mends thatyouonly useseat accessorie sthat
have been appro vedbyMercedes-Benz.
Deploy mentofthe driver's airbag does not
mean thatthefront-passenger frontairbag
depl oysaswell .The Occupant Classifica tion
System (OCS)categorizes theoccupant onthe
front-passenger seat.Depending onthat
resul t,the front-passenger frontairbag is
either enabledordeactiva ted.
Self-c heckofthe Occupant Classifica-
tion System (OCS) G
DA
NGER
If the PASSENGER AIRBAG OFFand
PASSENGER AIRBAG ONindicator lampsdo
not both lightupd uring the self-test, the
system ismalfu nctioning. Thefront-
passe ngerfront airbag might betriggered
unintentionally ormight notbetriggered at
all inthe event ofan accident withhigh
decele ration. Thisposes anincreased riskof
injury oreven fatalinjury.
In this case thefront-passenger seatmay
not beused .Don otinstall achild restraint
system onthe front-passenger seat.Have
the Occupant Classifica tionSystem (OCS)
checked andrepai redimmedi atelyata
qua lifiedspecia listworkshop. G
WARNING
If the PASSENGER AIRBAG OFFindicator
lamp remains litafter theself-test, thefront-
passe ngerfront airbag isdeactiva ted.Itwil l
not bedepl oyed inthe event ofan accident.
In this case, thefront-passenger frontair 48
Occ
upant safetySafety

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
PASS ENGER AIR
BAG OFFindicator lamp
lights upand remains
lit, even though the
front -passenger seatis
occupied byan adult or
ap erson ofas tature
correspondin gtot hat of
an adult. The
classification ofthe person onthe front -passenger seatisincor-
rect.
X Make surethecondition sfor ac orrect classification ofthe per-
son onthe front -passenger seataremet (Ypage 46).
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains lit,the
front -passenger seatmaynotbeused.
X Have OCScheck edassoon aspossible atan authorized
Mercedes-Ben zCenter. The
PASS ENGER AIR
BAG OFFindicator lamp
does notlight up
and/or doesnotstay
on.
The front -passenger
seat is:
R unoccupied
R occupied bythe
weight ofac hild up
to twelve monthsold
in ac hild restraint
system OCS
ismalfunctionin g.
X Make surethere isnothin gbetween theseat cushion andthe
child seat.
X Make surethattheentire baseofthe child restraint systemrests
on the seat cushion ofthe front -passenger seat.Thebackrest of
the forward-facing childrestraint systemmustlieasflat aspossi-
ble against thebackrest ofthe front passenger seat.Ifnecessary,
adjust theposition ofthe front -passenger seat.
X When installing thechild restraint system,makesurethatthe
seat beltistight. Donot pull theseat belttight using thefront -
passenger seatadjustment .This could result inthe seat beltand
the child restraint systembeingpulled tootightly.
X Check forcorrect installation ofthe child restraint system.
Make surethatthehead restraint doesnotapply aload tothe
child restraint system.Ifnecessary, adjustthehead restraint
accordingly.
X Make surethatnoobject sareapply ingadditional weightontothe
seat.
X Ifthe PASS ENGER AIRBAG OFFindicator lampremains off
and/or thePASS ENGER AIRBAG ONindicator lamplights up,do
not install achild restraint systemonthe front -passenger seat.
X Have OCScheck edassoon aspossible atan authorized
Mercedes-Ben zCenter. Deployment
ofEmergency Tension-
ing Devic esand airbags
Import antsafety notes G
WARNING
The airbag parts arehot after anair bag has
been deploye d.There isar isk ofinjury.
Do not touch theairbag parts. Havea
deploye dairbag replaced ataq uali fied spe-
cialist workshop assoon aspossible. G
WARNING
Ad eploye dairbag nolonger offersanypro-
tect ionand cannot provide theinten dedpro-
tect ioninan accident. Thereisan increased
risk ofinjury.
Have thevehicle towedtoaq uali fied spe-
cialist workshop inorder tohave adeploye d
air bag replaced.
For your ownsafety andthat ofyour front
passenger, itis important thatyouhave
deploye dairbags replaced anddefective air
bags repaired. Thiswillhelp tomake surethe
air bags continue toperform theirprotect ive 50
Occ
upantsafetySafety

function
forthe vehicl eoccupa ntsinthe event
of ac rash. G
WARNING
Emergency TensioningDevices thathave
depl oyedpyro technical lyare nolonge r
opera tional andareunab leto perform their
intended protective function.Thispose san
increas edrisk ofinjury oreven fatalinjury .
Have pyrotechnical lytrigger edEmergency
Tensio ningDevices replaced immed iatelyat
aq ualified speci alist worksho p.
An electric motor isuse dbyPRE-SAFE ®
to
trigger thetightening ofthe seatbelti nh az-
ardo ussitua tions. Thisproced ureisreversi ble.
If Emergency TensioningDevices aretrigger ed
or air bag saredepl oyed,you willhearab ang,
and some powdermay alsob erele ase d.The
0075 restrai ntsystem warning lamplights up.
Only inrare cases willthe bang affect your
hea ring. Thepowderthat isrele asedgenera lly
does notconstitute ahealth haza rd,but itmay
caus eshort-term breathing difficulti esinpeo-
ple with asthma orother respiratory problems.
Provid editis safe todo so, you shou ldlea ve
the vehicl eimmed iatelyor open thewind owin
order toprevent breathing difficulti es.
Air bag sand pyro technic Emergency Tension-
ing Devices (ETDs)contain perchloratemate-
rial ,which may requirespeci alhandl ingand
rega rdfor the environment. Nationalguide-
lines must beobse rved duringdisp osal.InC al-
ifornia ,see ww w.dtsc.c a.gov/
HazardousWaste/ Perchlorate/i ndex.cfm.
Method ofoperatio n During
thefirst stage ofac ollision, the
restrai ntsystem controlunitevaluates impo r-
tant physical datarelating tovehicl edecel era-
tion oraccele ration, suchas:
R dura tion
R dire ction
R intensity
Based onthe eval uation ofthis data ,the
restrai ntsystem controlunittrigger sthe Emer-
gency TensioningDevices duringahead-on or
rear-end collision. An
Emergency TensioningDevice canonly be
trigger ed,if:
R the igniti onisswi tched on
R the components ofthe restrai ntsystem are
opera tional.You can find further informa tion
under "Restrai ntsystem warning lamp"
(Y pag e39)
R the seatbeltb uckle tongue hasengag edin
the beltbuckle ofthe respe ctiveseat
If the restrai ntsyste mcontrol unitdetects a
more severe accident,further components of
the restrai ntsyste mareactiva tedindep end-
ently ofeach other incertain frontalcollision
situa tions:
R Front airbag sasw ella sd rive r'sand front-
pas senger kneebags
Dependi ngon the perso nint he front-
pas senger seat,the front-passe ngerfront air
bag iseither enabledordisa bled.The front-
pas senger frontairbag canbedepl oyedina n
accid entonly ifthe PASSENGER AIRBAG OFF
indica torlam piso ff.Obser vethe informa tion
on the PASSENGER AIRBAG indica torlam ps
(Y pag e39).
You rvehicl ehastwo-stage frontairbag s.
The activa tionthreshol dofthe Emergency
Tensio ningDevices andtheairbag sisd eter-
mined byeval uating therate ofvehicl edecel -
erati onoraccele rationwhichoccurs atvari ous
poi nts inthe vehicl e.This process ispre-emp -
tive innature. Deployment shouldtake place
in good timeatthe start ofthe colli sion.
The rate ofvehicl edecel erati onoraccele ra-
tion andthedirection ofthe force areessen-
tial lydetermi nedby:
R the distri butionofforces duringthe colli sion
R the colli sion angle
R the deforma tionchara cteristics ofthe vehi-
cle
R the chara cteristics ofthe object withwhich
the vehicl ehascolli ded
Factors whichcan only beseen andmeas ured
after acollision hasoccurred donot playa
decis iverole inthe depl oyme ntofan air bag .
Nor dothey provi deanindica tionofair bag
depl oyme nt.
The vehicl ecan be deforme dconside rably,
witho utan air bag being depl oyed.This isthe
case ifonly parts whichare relatively easily
deforme dareaffected andtherate ofdecel er-
ation isnot high .Convers ely,airbag smaybe
depl oyedeven though thevehicl esuffe rsonly Oc
cupant safety
51Safety Z