ECU MERCEDES-BENZ M-Class 2012 W166 Owner's Manual

Symbols
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In this Operator's Manual, you will find the
following symbols:GWARNING
Warning notes draw your attention to hazards
that endanger your health or life, or the health
or life of others.
! These warning notes draw your attention
to hazards that could cause damage to your
vehicle.
i This symbol indicates useful instructions
or further information that could be helpful
to you.XThis symbol designates an
instruction you must follow.XSeveral consecutive symbols
indicate an instruction with several
steps.Y PageThis symbol tells you where you
can find further information on a
topic.YYThis symbol indicates a warning or
an instruction that is continued on
the next page.DisplayThis font indicates a display
message in the multifunction
display/COMAND display.
Parts of the software in the vehicle are
subject to copyright according to ©
2005
The FreeType Project
http://www.freetype.org. All rights
reserved.

Night
ViewAssist Plus................... 195
PARKT RONIC................................. 183
Rea rview came ra.......................... 190
Driv ingtips
Automa tictransmis sion................. 147
Brakes ........................................... 159
Break-in period.............................. 138
DISTRONI CPLUS ........................... 177
Downhi llgrad ient........................... 159
Drinking anddriving....................... 158
Driving abroad ............................... 108
Driving inwinter .............................162
Driving onfloo ded road s................ 161
Driving onsand .............................. 165
Driving onwet road s...................... 161
Driving overobsta cles................... 165
Exhaus tcheck ............................... 158
Fuel .............. ..................... ............. 158
Gene ral.......................................... 157
Hydr oplaning ................................. 161
Icy road surfaces........................... 162
Limi tedbraking effici ency on
sal ted road s................................... 160
Off-road driving.............................. 163
Off-road fording............................. 161
Ped als. ........................................... 158
Snow chains.................................. 353
Symmetri callow beam.................. 108
Tire ruts ......................................... 165
Tow ingatrail er.............................. 210
Trave linguphill....... ....... ....... ..........166
Wet road surface........................... 159
DSR (Dow nhil lSpee dRegula tion)
Dis play mess age............................ 259
Function/notes ............................. 208
DVD audio (on-bo ardcomputer) ......230
DVD video(o n-bo ardcomputer) ......230 E
EA
SY-E NTRY feature
Activating/d eactivating ................. 236
Function/notes ............................. 102
EA SY-E XITfeature
Cra sh-resp onsive........................... 102
Function/notes ............................. 102
Switchi ngon/off ........................... 236
EA SY-P ACKload-s ecuring kit........... 291EBD
(elec tronic brakeforce
distributi on)
Displ aymessa ge............................ 241
Function/notes ................................65
Ele ctric alfuses
see Fuse s
Ele ctroni cbrake forcedistributi on
see EBD (electronic brakeforce
dis tribu tion)
Ele ctroni cStabil ityProgram
see ESP®
(Electroni cStab ility Pro gram)
El ec tron icTrac tionSys tem
se e4ETS (Electr onicTra ctio nSy ste m)
Eme rgencyr elease
Dr iver 'sdoor .................................... 80
Vehi cle............................................. 80
Emerge ncyspare wheel
Storage location ............................ 329
Emerge ncyTensi oningDevic es
Function .............. ..................... ........53
Safe tyguideline s............................. 39
Emerge ncyunlo cking
Tai lga te............................................ 84
Emis sions purific ation
Service andwarranty informa tion....21
Eng ine
Che ckEngine warning lamp ....... ....276
Displ aymessa ge............................ 254
Emergency starting........................ 345
Engine number....... ........................382
Irregu larr unn ing............................ 143
Starting problems .......................... 143
Starting theengine withthe
SmartKey ....................................... 140
Starting with KEYLESS-GO .............141
Switchi ngoff .................................. 155
Eng ineelectroni cs
Prob lem(malfunction) ................... 143
Eng ineoil
Addi ng........................................... 314
Additi ves........................................ 388
Che cking theoilleve l....... .............. 313
Che cking theoilleve lusi ng the
dip stick .......................................... 313
Displ aymessa ge............................ 256
Fill ing capa city............................... 384
Notes aboutoil grad es....... ............ 388 In
dex
9

Lane
detection (autom atic)
see LaneKeeping Assist
Lane Keeping Assist
Ac tivat ing/deac tivating................. 233
Displ aymessa ge............................ 259
Function/inform ation.................... 200
Lane Tracking package..................... 198
LA TCH-type (ISOF IX)childseat
ancho rs................................................ 57
Le vel control (display messag e)...... 258
Le vel control (vehiclewith
AI RMATIC package )
Basi csettings ................................ 182
Function/notes ............................. 181
Importa ntsafe tynotes .................. 181
Lic ens eplate lamp(display
messag e)............................................ 252
Lig hting
see Ligh ts
Lig hts
Activating/d eactivating the
interio rlight ingdelayed switch-off.2 35
Automa tichea dlamp mode ............ 110
Displ aymessa ge............................ 250
Driving abroad ............................... 108
Hazard warning lamps ................... 111
High beamflasher .......................... 111
High-b eamheadlamps ................... 111
Ligh tswitc h................................... 108
Low-b eamheadlamps .................... 109
Parki nglamps ................................ 108
Rea rfog lamp ................................ 110
Setting thebrightness ofthe
amb ient lighting (on-boa rd
compu ter)...................................... 234
Setting thecolor ofthe amb ient
lig hting (on-boa rdcompu ter)......... 235
Switchi ngAdap tiveHighb eam
Assist on/off ................................. 234
Switchi ngthe daytime running
la mps on/off (on-boa rd
compu ter)...................................... 234
Switchi ngthe daytime running
la mps on/off (switch) .................... 109
Switchi ngthe exterio rlight ing
delayed switch-offon/ off(on-
board computer )............................ 235Switchi
ngthe surro undlighting
on/off (on-boa rdcompu ter).......... 235
Turn signa ls................................... 111
see Changing bulbs
see Interior lighting
Lig htsen sor (display messag e)....... 253
Lo ading guidelines ............................ 284
Lo cki ng
see Centra llockin g
Locking (doors)
Automat ic........................................ 79
Emergency locking........................... 80
From inside(central locking
button) ............................................. 79
Lo cki ng centrally
see Centra llockin g
Locking verification signal(on-
board comput er)............................... 236
Lo w-be amheadlamps
Cha nging bulbs.............................. 116
Displ aymessa ge............................ 250
Setting fordrivi ngabr oad
(sy mmetrica l)................................. 108
Switchi ngon/off ........................... 109
Lugg ageholde r(EASY-P ACKload-
secur ingkit).................................... ...2 91
Lumbar support ................................... 99 M
M+S
tires ...................................... ...... 352
Mainte nance
see ASSYST PLUSserviceinterva l
dis pla y
Malfunc tionmessag e
see Displ aymessa ges
Malfunc tionsrele vant tosafety
Rep orting ......................................... 25
Matte finish(clean ing
ins truction s)...................................... 320
mbrace Callprio rity.................................... 303
Displ aymessa ge............................ 245
Downlo ading desti nations
(C OMAND) ..................................... 303
Emergency call.............................. 300
Importa ntsafe tynotes .................. 299
Locati ngastolen veh icle. .............. 304 12
In
dex

Admi
nistration(NH TSA) inad ditio nto
noti fying Merced es-BenzUSA, LLC.
If NHT SArece ivessimil arcomp laints ,it ma y
op en aninve stigatio n,and ifit find stha ta
safety defect existsinagroup ofvehicles, it
may order arecall andremedy campaign.
However, NHTSAcannotbecome involved in
individua lproblems betweenyou,your
deale r,or Mercedes-Benz USA,LLC.
To cont actNHTSA ,you may calltheVehicle
Safety Hotline toll-free at
1-88 8-327-4236(TTY: 1-800-42 4-9153);go
to: http://www .safercar.gov;orwrite to:
Administrator ,NHTSA Headqua rters,
1200 NewJersey Avenue, SE,West Building,
Washington, DC20590 .
You canalso obtain additional information
abou tvehicle safety from:
htt p://ww w.safer car.gov. Limited
Warrant y
! Follow theinstruct ions inthis manual
about theproper operation ofyour vehicle
as well asabout possible vehicledamage.
Damage toyour vehicle thatarises from
culpable contraven tionsagainst these
inst ruct ions arenot cover edeither by
Mercedes- BenzLimited Warrantyor by the
New orUsed-Veh icleWarrant yof
Daimler AG. Data
storedinthe vehicle Inform
ationabout electronic data
acquisit ioninthe vehicle
(Inc luding notice pursuant toCalifornia Code
§ 995 1)
Your vehicle recordselectr onicdata. Ifyour
vehicle isequipped withmbrace 2
, data is
tran smitt edinthe event ofan acciden t. This
information helps,forexample, totest
vehicle systems afteranacciden tand to
con tinually improve vehiclesafety.
Daimler AGcan access thisdata andsubmit
it:
R for safety research orvehicle diagnosis
purposes
R with theconsent ofthe vehicle owner
R on the instruct ionofprosecut ing
authorit ies
R for use inarbitrat ionofdisputes that
involve Daimler AG,itsaffiliates orits sales
and servic eorganiz ations
R as other wiserequired orpermit tedbylaw.
Please observe thembrace 2
purchase
agreement forfurth erdetails onthe recor ding
and transfer ofdata bythis system.
2 The system iscalled TELEAIDinCanada. 26
Introd
uction

not
engaged inthe seatbelt buckle), theside
impact airbag onthe fron t-passenger side
will notdeploy. Theside impact airbag onthe
fron t-passenger sidewilldeploy ifthe fron t-
passenger seatbeltisfasten ed,regardless of
whether thefron t-passenger seatisoccupied
or not .
Window curtainairbags The
window curtainairbags enhanc ethe level
of protec tionforthe head, butnot chest or
arms, ofthe vehicle occupan tson the side of
the vehicle onwhich theimpact occurs.
The window curtainairbags areintegrated
int othe side ofthe roof frame anddeploy in
the area from theA-pillar tothe C-pillar. Window
curtainairbags :are deployed:
R on the side onwhich animpact occurs
R at the start ofan acciden twith ahigh rate
of lateral vehicle deceleration or
accelerat ion,e.g. inas ide impac t
R regar dless ofwhet herthefront-pass enger
seat isocc upied
R indep endently of seat beltuse
R ifthe vehic leover turns and thesyst em
dete rmin esthat window curtainairbag
deploymen tcan offeraddit ionalpro tection
to that pro vide dby theseat belt
R ind epen dentlyofthefron ta irbags
Windo wcurt ainairbags :will notdeploy in
impac tswith decele ration rates which donot
exc eed thesyst em's prese tdeployment
thr esholds forvehicle deceleration oraccelerat
ion.You willthen beprotec tedby
the fasten edseat belt. Occupant
Classification System
(OCS)
How theoccupant classification
system works The
Occupant Classification System(OCS)
categor izestheoccupan ton the fron t-
passenger seatbymeans ofaweight sensor.
The front-passenger frontairbag is
deact ivatedautom atically forcertain weight
cat egorie s.The
45 indic
atorlamp
shows youthecurr entstatus. Ifthe
45 indicatorlamp isilluminat ed,the
fro nt-pass engerfro ntair bag isdeact ivated.
The systemdoes notdeact ivate:
R the side impac tairbag
R the window curtainairbag
R the Emergen cyTens ionin gDev ices
To be class ifiedcorrectly, the frontpassen ger
must sit:
R with theseat beltfastened correctly
R in aposit ionthat isas upright aspossible
with theirback against theseat backrest
R with theirfeet onthe floor
If the front-pass enger's weight istransf erred
to anot herobject inthe vehic le(e.g .by
leanin gon armr ests),OCS maynotbeable to
approx imatethe occupant 'sweight category.
If the front-pass engerseat ,the seat coveror
the seat cushio naredama ged,have the
necessary repairwork carrie dout atan
au thorized Mercede s-BenzCenter.
For safety reasons,Mercede s-Benz
recommends thatyouonly useseat
accesso rieswhichhave been approved by
Mercede s-Benz.
Both thedrive rand the passe nge rshould
alwa ysuse the45 indicatorlampas
an indication ofwhether ornot thepassenger
is properly positioned. 44
Occ
upantsafetySafety

G
WARNING If
the 45 indicatorlamp illumina tes
when anadu ltor someone largerthan asmal l
indivi dualis in the front passenger seat,have
the front passenger repositionhimse lfor
hersel fint he seat until the45
indicator lampgoesout.
In the event ofacollision, theairbag cont rol
unit willnotallow frontpassenger frontairbag
deploy mentwhen theOCS hasclassified the
front passenger seatoccupant asweighing as
much asorless than atypical 12-month-old
child inastandard childrestraint orifthe front
passenger seatisclassified asbeing empty.
When theOCS senses thatthefront
passenger seatoccupant isclassified as
being uptoor less than theweight ofatypical
12-m onth-oldchild inastandard child
restraint ,the 45 indicatorlampwill
illu minate whentheengine isstarted and
remain illuminated. Thisindicates thatthe
front passenger frontairbag isdeactivated.
When theOCS senses thatthefront
passenger seatisclassified asbeing empty,
the 45 indicatorlampwillilluminate
when theengine isstarted andremain
illu minated. Thisindicates thatthefront
passenger frontairbag isdeactivated.
When theOCS senses thatthefront
passenger seatoccupant isclassified as
being heavier thantheweight ofatypical 12-
mont h-old childseated inas tand ardchi ld
res traint oras being asma llind ividu al(such
as ayo ung teenag eror as mall adult),the
45 indicatorlamp willill umina tefor
app roximatel y6s econ dswhen theengine is
start ed.Depen dingonoccupant weight
sensor readings fromtheseat, itwill then
remain illuminated orgo out. With the
45 indicatorlamp illuminated, the
fron tpassen gerfron ta irbag isdeact ivated.
With the45 indicatorlamp out,the
fro ntpassen gerfrontair bag isact ivate d.
When theOCS senses that thefront
passen gerseat occupant isclassif iedasan
adult orsomeo nelarger thanasmall indiv
idual, the45 indicatorlamp will
illuminat efor approx imatelysix seco nds
when theengin eis star ted and thengoout.
This indicates thatthefront passenger front
air bag isactivated.
If the 45 indicatorlampisilluminated,
the front passenger frontairbag is
deactivated andwillnotbedeployed.
If the 45 indicatorlampisnot
illuminated, thefront passenger frontairbag
is activated andwillbedeployed
R in the event ofcert ainfront alimpacts
R ifthe impact exceeds apredetermin ed
triggering threshold
R independent ofthe side impact airbag or
pelvis airbag
If the front passenger frontairbag is
deployed, therate ofinflation willbe
influenced by
R the rate ofvehicle deceleration asassessed
by the airbag cont rolunit
R the front passenger's weightcategory as
identified bythe OCS
For further informat ion,see"Air bag display
messages" (Ypage 249). G
WARNING Acc
ording toaccident statistics,children are
safer when properly restrained onthe rear
seats thanonthe front -passenger seat.Thus,
we stron glyrecommen dthat children be
placed inthe rear seats whenever possible.
Regardless ofseating position, children12
years oldand under mustbeseated and
properly securedinan appropriate infant
restraint ,toddler restraint ,or booster seat
recommen dedforthe size andweight ofthe
child.
The infant orchild restraint mustbeproperly
secured withthevehicle's seatbelt, theseat
belt andTopTether strap,orlower anchors
and TopTether strap,fullyinaccordanc ewith
the child seatmanufacturer' sinstr uctions. Occupant
safety
45Safety
Z

Occupants,
especiallychildren, shouldalways
sit asupright aspossible ,wear theseat belt
properly anduseanappropria telysized infant
restraint, toddlerrestraint, orbooster seat
recommended forthe size andweight ofthe
child.
Child rencan bekilled orseriousl yinjured by
an inflating airbag. Note thefollowi ng
important information whencircumstances
require youtoplace achild inthe front -
passenger seat:
R Your vehicle isequip pedwith airbag
technology designedtodeactivate the
front -passenger frontairbag inyour vehicle
when thesystem sensestheweight ofa
typical 12-mon th-oldchildorless along
with theweight ofastandard appropria te
child restraint onthe front -passenger seat.
R Ac hild inarear-facing childrestraint onthe
front -passenger seatwillbeseriously
injured oreven killed ifthe front -passenger
front airbag inflates inacollision which
could occur under somecircumstan ces,
even withtheairbag techn ology installed
in your vehicle. Theonly means toeliminate
this riskcompletely isnever toplace achild
in arear-facing childrestraint inthe front -
passenger seat.Wetherefore strongly
recommen dthat youalwa ysplace achild
in arear-facing childrestraint onthe rear
seat.
R Ifyou install arear-facing childrestraint on
the front -passenger seat,make surethe
45 indicatorlampisillu minated,
indicating thatthefront -passenger frontair
bag isdeactivated. Shouldthe45
indicator lampnotilluminate orgo out while
the restraint isinstalled, pleasecheck
installation. Periodicallycheck the
45 indicatorlampwhile driving to
make surethatthe45 indicator
lamp isillu minated. Ifthe 45
indicator lampgoesoutorremains out,do
not transport achild onthe front -passenger
seat until thesystem hasbeen repaired. Ac
hild inarear-facing childrestraint onthe
front -passenger seatwillbeseriously
injured oreven killed ifthe front -passenger
front airbag inflates.
R Ifyou place achild inaforward-facing child
restraint onthe front -passenger seat:
- move theseat asfar back aspossible
- use theproper childrestraint
recommen dedforthe age, sizeand
weight ofthe child
- secure childrestraint withthevehicle's
seat beltaccording tothe child seat
manufacturer's instructions
R For children largerthanthetypical 12-
mont h-old child, thefront -passenger front
air bag may ormay notbeactivated.
If the driver's airbag deploy s,this does not
mean thatthefront -passenger frontairbag
also hastodeploy .
The OCS mayhave detected thattheseat:
R was empty oroccupied byaperson witha
weight ofup toor less than thatofatypical
12-m onth-oldchild seated inastandard
child restraint
R was occupied byasmall individua l,such as
a young teenager orasmall adult
R was occupied byachild inachild restraint
system, whoseweight isgreater thanthat
of atypical 12-month-oldchild.
These areexamples ofwhen theOCS
deactivates thefront -passenger frontairbag.
Deactivation takesplacealthough the
collision fulfillsthecriteria fordeploy ingthe
driver's airbag. 46
Occ
upant safetySafety

ribs
orabd omen, whichcould severel y
injure internal organssuchasyou rliver or
spleen .
Adj ust the seat beltsothat theshoulder
sect ionislocat edasclos eas possible to
the middle ofthe shoulder .Its hould not
touch theneck .Never pass theshoulder
portion ofthe seat beltunder yourarm. For
this purpose, youcan adjust theheight of
the seat beltoutlet.
R Position thelapbelt aslow aspossible on
your hipsandnotacross theabdomen. If
the lapbelt isposition edacross your
abdomen, itcould cause serious injuries in
a crash.
R Never wearseatbelts overrigid or
breakable objectsinor on your clothing,
such aseyeglasses, pens,keysetc.,as
these might cause injuries.
R Make suretheseat beltisalway sfitt ed
snugly. Takespecial careofthis when
wearing looseclothing.
R Never useaseat beltformore thanone
person atatime. Donot fasten aseat belt
around aperson andanoth erperson or
other objectsat the same time.
R Seat belts should notbeworn twisted. Ina
crash, youwould nothave thefullwidth of
the seat belttodistribut eimpact forces.
The twisted seatbeltagainst yourbody
could cause injuries.
R Pregnant womenshouldalsoalway suse a
lap-shoulder belt.Thelapbelt portion
should bepositioned aslow aspossible on
the hips toavoid anypossible pressure on
the abdomen.
R Place theseat backrest inaposition thatis
as upright aspossible.
R Check yourseatbeltduring traveltomake
sure itis properly positioned.
R Never placeyourfeetonthe instr ument
panel, dashboard, oron the seat. Always keep
bothfeetonthe floor infront ofthe
seat.
R When usingaseat belttosecure infant
restraint s,toddler restraint s,or children in
booster seats,alwaysfollow thechild seat
manufacturer' sinstr uctions. G
WARNING Do
not pass seatbelts oversharp edges. They
could tear.
Do not allow theseat belttoget caught inthe
door orinthe seat adjustmen tmechanism.
This could damage theseat belt.
Never attempt tomake modifications toseat
belts. Thiscould impair theeffect iveness of
the seat belts.
Fastening seatbelts G
WARNING Acc
ording toaccident statistics,children are
safer when properly restrained onthe rear
seats thanonthe front -passenger seat.Thus,
we stron glyrecommen dthat children be
placed inthe rear seat whenever possible.
Regardless ofseating position, children12
years oldand under mustbeseated and
properly securedinan appropriately sized
child restraint systemorbooster seat
recommen dedforthe size andweight ofthe
child. Foradditional information,seethe
"Child reninthe vehicle" section.
Ac hild's riskofserious orfatal injuries is
significantly increasedifthe child restraint s
are not properly securedinthe vehicle and/
or the child isnot properly securedinthe child
restraint . Occ
upant safety
51Safety Z

X
Adju stthe seatand movethe backres tto
an almos tvertic alposition (Ypage 94).
X Pull theseat beltsmoot hlythrough belt
sash guide :.
X Without twistingit,guide theshoulder
sect ionofthe seat beltacross themiddle
of your shoulder andthelapsect ionacross
your hips.
X En gage belttongue ;inbuckle =.
Seat- beltadjustm ent:ifn ecessary, the
driver's andfront-passenger seatbelts
automatic allyadjust tothe upper body
(Y page 52).
X Ifnec essary, adjusttheseat belttothe
appropriate height(Ypage 52).
X Ifnec essary, pullupwards onthe shoulder
sect ionofthe seat belttotight enthe belt
across yourbody.
All seat belts except thedriver's seatbeltare
equipped withaspecial seatbeltretractor to
securely fastenchildrestraint systems inthe
vehicle. Forfurth erinfor mation onspecial
seat beltretractor s,see (Ypage 56).
For more information aboutreleasing theseat
belt with release button?,see "Releasing
seat belts" (Ypage 53). Seat
beltadjustm ent The
seat- beltadjustm entfunc tionadjusts the
driver's andfront-passenger seatbelttothe
upper bodyofthe occupants.
The belt strap istight ened slightly when:
R you engage thebelt tongue inthe belt
buckle andyouthen turntheSmart Keyto
position 2in the ignition lock.
R the Smart Keyisin position 2in the ignition
lock andyouthen engage thebelt tongue
in the buckle.
The seat- beltadjustm entwill apply a
retr action forceif any slack isdetec ted
between theoccupant andtheseat belt. Do
not hold ontothe seat belttight lywhile itis
adjustin g.You canswitch theseat- belt
adjustm entonand offinthe on-board
comput er(Y page 237).
The seat- beltadjustm entisan integral partof
the PRE-S AFE®
con venien cefunc tion.More
infor mation aboutPRE-SAFE®
can befound
in the "PRE-S AFE®
(preven tativeocc upant
protec tion)"sect ion(Ypage 49).
Belt height adjustm ent You
canadjust theseat beltheight onthe
driver's seatandthefron t-passenger seat. Adj
ust the height sothat theupper partofthe
seat beltisrouted across thecenterofyour
shoulder. 52
Occupant
safetySafety

tens
ioners andbeltanc horfitting tension ers
that aretriggere dtog eth er. The belt buck le
ten sion erismoun tedonthe B-pillar andthe
belt anchor fittin gis moun tedonthe side of
the seat .Always havebothtension ers
replaced aftertheyhave been trigger ed.
The ETDstight enthe seat belts inan acciden t,
pulling themclose against thebody.
The ETDsdo not corr ectincor rectseat
position sor incor rectlyfasten edseat belts.
The ETDsdo not pull vehicle occupan tsback
towards thebackr est.
Seat beltforcelimiters, whentrigger ed,help
to reduce thepeak forceexerte dby the seat
be lton the vehicleoccu pant.
The seatbelt forc elimiters forthe fron tseats
are synchr onizedwith thefron tairbags.
These takeon apart ofthe decele ration force.
Thus, theforce exer tedonthe occupant is
dist ribut edover agreat erarea.
The ETDscan only beact ivat edwhen:
R the ignit ionisswitc hedon.
R the rest raint systems areoperat ional;see
"SRS warnin glamp" (Ypage 38).
R the belt tongue iseng aged inthe buck leon
each ofthe lap-sh oulder beltsinthe front.
R the front-pass engerseat isocc upied and
the belt tongue iseng aged inthe buck leon
the front-pass engerside.
The ETDson the outs ideseat sin the rear
com partmen tare triggere dindep endently of
the lock status ofthe seat belts.
The ETDs aretriggere ddepe nding onthe type
and severi tyof an accide nt:
R if, inthe event ofahea d-on orrear-end
colli sion, thevehicl edecel erates or
accele ratesrapidlyinalongi tudina l
dire ction duringthe initia lstag esofthe
im pact
R if,in the eventofaside impact, onthe side
op posite the impact the vehicle de
cel era tes oracc elera tes rapidlyin a
la tera ldi rec tion
R if,in cer tains ituat ions where thevehic le
over turns, the syst emdete rmin esthat it
can prov ideadditio nalprot ection
If the airbags aredeployed, youwillhear a
bang, andasmall amoun tofpowder mayalso
be released. Onlyinrare cases willthebang
affect yourhearing. Thepowder thatis
released generally doesnotconst itutea
health hazard. The6 SRSwarning lamp
lights up. G
WARNIN
G Pyrotechn
icEmergen cyTensionin gDevices
that have been deployed mustberenewed.
For your safety, whendisposing ofEmergen cy
Tensionin gDevices, alwaysobserve the
safety instructions. Theseareavailab lefrom
any authorized Mercedes-B enzCenter.
The PRE-S AFE®
system haselectric ally
operated reversible pre-tensioners thatdo
not require replacement afteractivation .
! Ifthe front -passenger seatisnot
occupied, donot engage theseat belt
ton gue inthe buckle onthe front -
passenger seat.Otherwise, theEmergen cy
Tensionin gDevice couldbetriggered inthe
event ofan accident . Children
inthe vehicle Child
restraintsystems
Import antsafety notes We
recomm endthat allinfant sand children
be properly securedinan infant orchild
restr aintsystem atall times whilethevehicle
is in motion .
The useofseat belts andinfant andchild
restr aintsystems isrequired bylaw inall 50
states, theDistr ictofColumbia ,the U.S.
territ ories andallCanadia nprovinces.
Infants andchild renmust alwaysbe seated in
an app ropria teinfant orchild restrai ntsystem 54
Chil
dren inthe vehi cleSafety