warning MERCEDES-BENZ S-CLASS COUPE 2017 Owner's Manual

should no
tuse thef ront passenger seat.
Ins tead, they should use arear seat.
R Ifth ef ront passenger seat is occupied wit ha
person of smaller statur e(e.g. ateenager or
small adult), theP ASSENGER AIR BAGO FF
indicator lam peither light supcontinuously
or remains out, depending on ther esult of
th ec lassification:
- PASSENGER AIRB AGOFF is off: mo vethe
front passenger sea tasfar ba ckas possi‐
ble or aperson of smaller statur eshould
use arear seat.
- Ifth eP ASSENGER AIRB AGOFF indicator
lam pisl it continuously: aperson of
smaller statur eshoul dnotuse thef ront
passenger seat. &
WARNING Risk of inju ryor deat hwhen
th eP ASSENGER AIR BAGO FFindicator
lam pisl it
If th eP ASSENGER AIR BAGO FFindicator
lam premain slit af tert he sy stem self-test,
th ef ront passenger airbag is disabled. It will
no tbed eployedint heevent of an accident. In
this case, thef ront passenger airbag can‐
no tp erform its intended pr otectiv efunction,
e.g. when aperson is seated in thef ront
passenger seat.
That person could, fore xamp le, com einto
con tact wi th thevehicle interior ,especially if
th ep erson is sitting tooc lose tothec ockpit.
If th ef ront passenger seat is occupied,
alw ayse nsur ethat:
R The classification of thep erson in the
front passenger sea tiscorrect and the
front passenger airbag is enabled or disa‐
ble dina ccordance wit hthe person in the
front passenger seat.
R The person is sea tedp roper lywit hac or‐
re ctly fastened seat belt.
R The front passenger seat has been mo ved
as farb ackasp ossible. Fu
rther related subjects:
R Child restra int sy stem on thef ront passenger
seat (→ page53). R
Suitable positioning of thec hild restra int sys‐
te m( →pag e55). PRE-SAFE
®
sy stem PRE-
SAFE®
(Pre-Crash Saf ety-Sy stem) PRE-
SAFE®
is able todetect cer tain critical driv‐
ing situations and implemen tpre-em ptivem eas‐
ures toprotect thev ehicle occupants.
PRE-SAFE ®
can implement thef ollowing meas‐
ures independentl yofeacho ther:
R Tightening thes eat belts on thed rive r's seat
and front passenger seat.
R Closing thes ide windo ws.
R Vehicles with sliding sunroof: closingthe
sliding sunroof.
R Vehicles with memor yfunction: moving
th ef ront passenger seat toam oref avo ura‐
ble seat position.
R Vehicles with multicontour seat: increas‐
ing thea ir pressur einthe seat side bols ters
of thes eat backrest. 44
Occupant saf ety

R
PRE-SAFE ®
Sound: pr ovided that them ulti‐
media sy stem is switched on, generates a
brie fnoise signa ltostimulat ethe innat epro‐
te ctiv em echanism of aperson's hea ring.
* NO
TEDama gecaused byobject sinthe
fo ot we ll or behin dthe seat The automatic adjustment of
thes eat posi‐
tion ma yresult in damag etothe seat and/or
th eo bject. #
Stow object sinas uitable place. Re
versing theP RE- SAFE®
sy stem measures If an acciden
tdid no toccur ,the pre-em ptive
measures that we retak en ar ereve rsed.
Yo uw ill need toper form certains ettings your‐
self. #
Ifth es eat belt pre-tensioning is no treduced,
mo vethes eat backres tbacks lightl y.
The locking mechanism releases. Fu
nction of PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) PRE-
SAFE®
PLUS can de tect cer tain impacts,
particular lyan imminent rear impact ,and take
pre-em ptivem easures toprotect thev ehicle
occupants. These measures canno tnecessarily
pr eve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thef ollowing
measures independentl yofeacho ther:
R Tightening thes eat belts on thed rive r's seat
and front passenger seat.
R Activating ther ear hazar dwarning light sata
higher flashin gfrequ enc y.
R Increasing brak epressure when thev ehicle
is stationar y.This brak eapplication is cancel‐
led automaticall ywhen thev ehicle pulls
aw ay.
If an accident did no toccur ,the pre-em ptive
measures that we retake na re re versed. Sy
stem limitations
The sy stem will no tinitiat eanyaction in thef ol‐
lowing situations:
R when reve rsing
The sy stem will no tinitiat eanybraking applica‐
tion in thef ollowing situations:
R whils tdriving
or
R when entering or exitin gap arkin gspace
while using ActiveP arking Assist Occupant saf
ety45

Child
renint hevehicle Note
sont he saf etransportation of children &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If yo ul eave children unat tende dint hevehi‐
cle, they ma ybea bletos etthev ehicle in
motion, fore xamp leby:
R Releasing thep arking brake.
R Shifting thet ransmission out of park
position j.
R Startin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment. #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle.
This also applies tomobil ephones if the
"Digital Car Keyint he smartphone" function is activated via
theM ercedes
me connect weba pp. &
WARNING Thisp oses an increased risk
of deat hduetoheat strokeorexposure
to cold in thev ehicle
If persons –particularly children –expe ri‐
enc eprolonged exposur etoextremely high
or lo wtemperatures, this poses arisk of
inju ryor eve nfatal injur y. #
Neverlea ve anyone –p articularly chil‐
dren –unat tende dint hevehicle. &
WARNING Risk of bu rnsw hen thec hild
seat is exposed todirect sunlight
If th ec hild restra int sy stem is exposed to
direct sunlight or heat, parts could heat up.
Children could suf ferb urns on these parts,
particularly on me tallic parts of thec hild
re stra int sy stem. #
Alw aysm akes uret hat thec hild
re stra int sy stem is no texpose dto
direct sunlight. #
Protect it wit hablanket,for example. #
Ifth ec hild restra int sy stem has been
ex posed todirect sunlight ,allowitto
cool befor esecu ring achild int oit. #
Neverlea ve children unat tende dint he
ve hicle. To
impr oveprotection forc hildren younger than
12 yearso ld or unde r1.50 minh eight,
Mercedes-Benz recommends youo bse rvet he
fo llowing information:
R Onlysecur echildren using achild restra int
sy stem whic hisappropriat etothe height,
ag ea nd weight of thec hild and suitable for
Mercedes-Benzv ehicles. Be suretoobserve
th ei nstruction sfor cor rect us eoft hechild
re stra int sy stem.
R Alw aysi ns tallac hild restra int sy stem on a
re ar seat if possible.
R Onlyuse thef ollowing securing sy stems for
ch ild restra int sy stems: 46
Occupant saf ety

-
thes eat belt sy stem
- theI SOFIX or i-Siz emounting brac kets
- theT op Tether anchorages
R The manufacturer's ins tallation instructions
fo rt he child restra int sy stem.
R The warning labels in thev ehicle interior and
on thec hild restra int sy stem. &
WARNING Risk of inju ryor deat hcaused
by incor rect ins tallation of thec hild
re stra int sy stem
If th ec hild restra int sy stem is incor rectly
ins talled on asuitable seatin gposition, it
canno tperform its intended pr otectiv efunc‐
tion.
The child canno tberestrained in thee vent of
an accident, heavy braking or asudden
ch ang eofd irection. #
Alw aysc ompl ywitht he manufacturer's
ins tallation instructions fort he child
re stra int sy stem and its cor rect use. #
Makesur ethat thee ntir ebase of the
ch ild restra int sy stem alw aysr ests on
th es itting sur face of thes eat. #
Neverp lace objects under or behind
th ec hild restra int sy stem, e.g. cush‐
ions. #
Alw aysu sechild restra int sy stems with
th eo riginal co verd esigned fort hem. #
Alw aysr eplace damaged co vers with
ge nuine co vers. &
WARNING Risk of accident caused by
incor rectl yins talled child restra int sys‐
te ms
If th ec hild restra int sy stem is no tcorrectly
ins talled or secured, it could release in the
ev ent of an accident, sudden braking or a
sudden chang eind irection.
The child restra int sy stem could be flung
aroun dand hit vehicle occupants. This poses
an increased risk of injur yorevend eath! #
Alw aysi ns tallch ild restra int sy stems
cor rectl y,eve nw henn otin use. #
Alw aysc ompl ywitht he child restra int
sy stem manufacturer's ins tallation
instructions. &
WARNING Risk of inju ryor deat hcaused
by theu se of damaged child restra int
sy stems
Child restra int sy stems or their retainin gsys‐
te ms that ha vebeen subjec tedtoal oad in
an acciden tmaythen no tbea bletoper form
th eir intended pr otectiv efunction.
The child canno tberestrained in thee vent of
an accident, heavy braking or asudden
ch ang eofd irection. #
Alw aysr eplace child restra int sy stems
immediatel ythat ha vebeen damaged or
in vo lved in an accident. #
Have thes ecuring sy stems fort he child
re stra int sy stems checkedataq ualified
specialis tworks hop befor einstalling a
ch ild restra int sy stem again. Occupant saf
ety47

%
Use Mercedes-Benz car eproducts recom‐
mended byMercedes-Benztoc leanchild
re stra int sy stems. Further information can
be obtained at aqualified specialis twork‐
shop.
The following no tesm ustbeo bserved:
R When ins talling achild restra int sy stem on
th ef ront passenger seat, thei nformation on
ins talling achild restra int sy stem on thef ront
passenger seat (→ page53).
R Notesona ttaching suitable child restra int
sy stems (→ page55).
R Notesonr ecommende dchild restra int sys‐
te ms (→ page61).
R Instructions and saf etyn otes on thea uto‐
matic front passenger front airbag shutoff
(→ pag e40).
R Safetyn otes on thes eat belt (→ page32).
R Information on thec orrect us eoft he seat
belt (→ page36). ISOFIX and i-Size
child seat securing sy stems Information on
theI SOFIX and i-Siz echild
sea tsecuring sy stems &
WARNING Risk of inju ryor fata linjur yif
th ec hild secured weighs mor ethan the
permissible gross weight foranI SOFIX or
i‑Size child restra int sy stem
Fo rISOFIX or i‑Size child restra int sy stems in
whic hthe child is secured using thes eat belt
integrated in thec hild restra int sy stem, the
permissible gross weight of thec hild and
ch ild restra int sy stem is 33 kg.
If th ec hild and thec hild restra int sy stem
to ge ther we igh mor ethan 33 kg,the ISOFIX
or i‑Size child restra int sy stem wit hintegra‐
te ds eat belt does no toffer suf ficient pr otec‐
tion .Too muc hload ma ybeplaced on the
ISOFIX or i‑Size child restra int sy stems and
th ec hild ma ynotbe restra ined cor rectly in
th ee vent of an accident, fore xamp le. #
Ifth ec hild and thec hild restra int sys‐
te mt ogether weigh mor ethan 33 kg,
onl yuse an ISOFIX or i‑Sizec hild re
stra int sy stem wit hwhichthe child is
secured wit hthe vehicle seat belt. #
Also secur ethe child restra int sy stem
wit hthe TopT ether belt, if available. Alw
aysc ompl ywitht he information about the
mass of thec hild restra int sy stem
R inthem anufacturer's ins tallation and operat‐
ing instructions fort he child restra int sy stem
used
R onalabel on thec hild restra int sy stem, if
present
Re gularly checkt hat thep ermissible gross mass
of thec hild and child restra int sy stem is still
being adhered to.
When using achild restra int sy stem, be sur eto
obser vethem anufacturer's ins tallation and
operatin ginstructions as well as its cor rect use
and thes uitability of thes eats fora ttaching a
ch ild restra int sy stem.
ISOFIX and i-Siz earestandardised securing sys‐
te ms fors pecia lrestraint sy stems. ISOFIX child
re stra int sy stems ar eappr ove dina ccordance 48
Occupant saf ety

wit
hE CE R44, i‑Size child restra int sy stems are
appr ovedina ccordance wit hECE R129.
Onl ychild restra int sy stems that ha vebeen
appr ovedina ccordance wit hECE R4 4maybe
attached toISOFIX mounting brac kets.
The following child restra int sy stems can be
attached toi-Size securing rings:
R ISOFI Xchild restra int sy stems that are
appr ovedina ccordance wit hECE R44
R i‑Siz echild restra int sy stems that are
appr ovedina ccordance wit hECE R129 1
Symbol forf ittin ganI SOFIX child restra int
sy stem
2 Symbol forf ittin gani -Sizechild restra int
sy stem Fi
ttin gISOFI Xand i-Size child seat attach‐
ments &
WARNING Risk of inju ryor fata linjur yif
th ec hild secured weighs mor ethan the
permissible gross weight foranI SOFIX or
i‑Size child restra int sy stem
Fo rISOFIX or i‑Size child restra int sy stems in
whic hthe child is secured using thes eat belt
integrated in thec hild restra int sy stem, the
permissible gross weight of thec hild and
ch ild restra int sy stem is 33 kg.
If th ec hild and thec hild restra int sy stem
to ge ther we igh mor ethan 33 kg,the ISOFIX
or i‑Size child restra int sy stem wit hintegra‐
te ds eat belt does no toffer suf ficient pr otec‐
tion .Too muc hload ma ybeplaced on the
ISOFIX or i‑Size child restra int sy stems and
th ec hild ma ynotbe restra ined cor rectly in
th ee vent of an accident, fore xamp le. #
Ifth ec hild and thec hild restra int sys‐
te mt ogether weigh mor ethan 33 kg,
onl yuse an ISOFIX or i‑Sizec hild Occupant saf
ety49

R
Incor rect positioning of thec hild restra int
sy stem. Wa
rning notic eonthe front-passenge rsun
visor: &
WARNING Risk of inju ryor deat hfrom
using arear ward-facing child restra int
sy stem when thef ront passenger airbag
is enabled
If yo us ecur eac hild in arear ward-facing
ch ild restra int sy stem on thef ront passenger
seat and theP ASSENGER AIR BAGO FFindi‐
cator lam pisoff,t he front passenger airbag
can deplo yintheevent of an accident. The
child could be stru ck bythea irbag.
Alw ayse nsur ethat thef ront passenger air‐
bag is disabled. The PASSENGER AIR BAG
OFF indicator lam pmustbel it.
NEVER use arear wardfacing child restra int
on aseat pr otected byan ACTIVE FRONT
AIRB AGin front of it ;DEATH or SERIOUS
INJUR YtotheCHILD can occur. If
th eP ASSENGER AIR BAGO FFindicator lamp
goes out ,the front passenger airbag is enabled.
Be sur etoobservethen otes on thes afet rans‐
por tatio nofc hildren (→ page46).
Note sonv ehicles withou tthe automatic
front passenger front airba gdeactivation
sy stem
Ve hicles without automatic front passenger front
airbag deactivation sy stem ha veas pecial sticker
af fixe dtot he side of thec ockpit on thef ront
passenger side. Ne
verins tallar ear ward-facing child restra int
sy stem on thef ront passenger seat:
Mak esurey ou obser vethef ollowing informa‐
tion:
R Onforw ard-facin gand rear wa rd-facing child
re stra int sy stems on thef ront passenger seat
(→ pag e55).
R On attaching suitable child restra int sy stems
(→ pag e55). 52
Occupant saf ety

Re
commende d"Universal" and "Semi-Universal" categor yISOFIX child restra int sy stems We
ight categories Size categor yManufacturer Type Approval number
(E1. ..) Order number (col‐
our code: 9H95)
Catego ry0+:
up to13 kg
up toappr oximately
15 months EB
rita xR ömer BABY SAFE plu s0 4301146B 66868224
Catego ryI:
9to18kg B1
BritaxRömer DUO plus0 4301133A 0009703700
A0 009705800 %
Youc an obtain fur ther information on the
cor rect child restra int sy stem at any
Mercedes-Benz Service Centre. Note
sonp etsint hevehicle &
WARNING Risk of accident and inju ry
due toanimals lef tunsecured or unat‐
te nde dint hevehicle
If yo ul eave animals in thev ehicle unatten‐
ded or unsecured, they could possib lypress
down buttons or switches. Thereb
yananimal may:
R activat evehicle equipment and become
trapped, fore xamp le
R swit chsystems on or of fand endanger
ot her road users
Uns ecured animals ma ybethrow na roun din
th ev ehicle in thee vent of an accident or
sudden steering and braking manoeuvres
and injur evehicle occupants in thep rocess. 60
Occupant saf ety

Key
Overvie
wofkeyfunctions &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
R ope ndoors,t hereb yendangering other
persons or road users.
R geto utofthev ehicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, fore xamp le.
Moreo ver,ch ildren could also se tthe vehicle
in motion by,for example:
R releasing thep arking brake.
R shifting thea utomatic transmission out of
par kposition j.
R startin gthe engine. #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle.
This also applies tomobil ephones if the
"Digital Vehicle Keyint he smartphone"
function is activated via theM ercedes
me connect weba pp. #
Keep thek eyso ut of ther eac hofc hil‐
dren. This also applies tomobile
phones if the" Digital Vehicle Keyint he
smartphone" function is activated via
th eM ercedes me connect weba pp. *
NO
TEDama getothek eycaused by
magnetic fields #
Keep thek eyaway from strong mag‐
netic fields. 1
Locks
2 Batter ychec klamp
3 Unloc ks
4 Opens/closes theb ootlid
The keyloc ks and unlo ckst he following compo‐
nents:
R Doo rs
R Boo tlid
R Fuelfiller flap
If yo udon otopen thev ehicle within appr ox‐
imatel y40seconds af teru nlocking:
R The vehicle is loc keda gain 62
Openin gand closing

Problem
Possible causes/consequences and M
MSolutions #
Have thek eycheckedataq ualified specialis tworks hop.
Yo uh ave lostak ey. #
Have thek eydeacti vatedataq ualified specialis tworks hop. #
If necessar y,ha ve thel oc ks changed as well. Doors
Note
sont he additional doo rlock The additional door loc
kisonlya vailable for
ve hicles fort he United Kingdom. &
WARNING Risk of inju ryto persons
inside thev ehicle when thea dditional
door loc kisactivated
If th ea dditional door loc kisactivated, the
door scan no longer be opened from the
inside.
If th er ea repersons in thev ehicle, they can
no longer le avet he vehicle, e.g. in hazardous
situations. #
Neverlea ve persons unattended in the
ve hicle, particularly children, elderly
person sorpersonsinneed of help. #
Ifth er ea repersons in thev ehicle, do
no ta ctivat ethe additional door loc k. The additional door loc
kisautomaticall yactiva‐
te dint hefollowing situations:
R The vehicle is loc kedu sing thek ey.
R The vehicle is loc kedu sing KEYLESS-GO.
% Afterl ocking youc an issue asignal wit hthe
horn.
If th ea dditional door loc kisactivated, thed oors
cann otbe opened from thei nside.
Yo uc an deactivat ethe additional door loc kby
deactivating thei nterior pr otection (→ page89). Un
locking/opening thed oor sfromt he inside Un
ited Kingdom onl y:obser vethen otes on the
additional door loc k(→ pag e66). #
Pull door handle 2.
Lockin gpin1 pops up when thed oor is
unloc ked. 66
Openin gand closing