warning light MERCEDES-BENZ S-CLASS CABRIOLET 2017 Workshop Manual

cle
.The recommended tyr epressures apply for
cold tyres under various operating conditions,
i.e. loading and/or speed of thev ehicle.
If one or mor etyres izes precede atyrep res‐
sure, thet yrep ressur einformation following is
onl yvalid fort hose tyr esizes.
If th ep receding tyr esizes ar ecomplemented by
the + symbol, thet yrep ressur einformation
fo llowing sho wsalternativ etyrep ressures.
Thes etyrep ressures ma yimp rove your vehicle's
ri de comfort. Fuel consum ption ma ythen
increase slightly.
The load conditions "partially laden" and "fully
laden" ar edefined in thet able ford iffe re nt num‐
be rs of passenger sand amounts of luggage. The
actual number of seats ma ydiffe rf romt his.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e385) Ty
re pressur emonitoring sy stem Fu
nction of thet yrep ress urem onitoring sys‐
tem
The sy stem checks thet yrep ressur eand the
tyr etemperatur eofthe tyres fitted tothev ehicle
by means of atyrep ressu resensor.
Ne wt yrep ressur esensors, e.g. in winter tyres,
ar ea utomaticall ytaught-in thef irst tim etheya re
driven.
If th er eisas ubstantia lpressur elossorift he
tyr etemperatur eisexcessive, awarning will be
given:
R Viad ispla ymessages (→ page446).
R Viat he h warning lam pinthe instrument
clus ter( →pag e477).
It is thed rive r's responsibility tosetthe tyre
pressur etotherecommended cold tyr epressure
suitable fort he operating situation. Se tthe tyre
pressur efor cold tyres using atyrep ressu re
ga uge. No tethat thec orrect tyr epressur efor
th ec urrent operating situatio nmustfirst be
ta ught-in tothet yrep ressur emonitoring sys‐
te m. In mos
tcases, thet yrep ressur emonitoring sys‐
te mw illa utom atically updat ethe ne wreference
va lues af tery ou ha vechanged thet yrep ressure.
Yo uc an,h ow eve r,also updat ethe refere nce val‐
ues byrestartin gthe tyr epressur emonitoring
sy stem manuall y(→pag e390).
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et yrep ressur eiss etincor rectly.
R Ifth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tyre.
R Ifth er eisam alfunction caused byano ther
ra dio signal source.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Notesont yrep ressur e(→pag e385)
Checking thet yrep ress urew itht he tyre
pressur emonitoring sy stem
Requ irement:
R The ignition is switched on. Wheels and tyres
387

Displa
ymessages
Possible causes/consequences and M
MSolutions
!
÷ currently unavailable See
Owner's Manual *
ABS and ESP ®
aret emporaril yunavailable.
Other drivin gand drivin gsafet ys ystems ma yalso be malfunctioning. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunctioning
If ABS and ESP ®
arem alfunctioning ,the wheels could loc kwhen braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristic sarethus se verely impaired .The brakin gdista nce may
increase in an emergency braking situation. In addition, other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ABS and ESP ®
ch eckedi mmediately at aqualified specialis tworks hop. #
Carefully driv eonasuitablestre tchofr oad, making slight steering mo vements at aspeed abo ve30 km/h. #
Ifth ed ispla ymessag edoes no tdisappear ,consult aqualified specialis tworks hop immediately .Drive carefully. 41 8
Displaymessa gesa nd warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
÷ currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other drivin gand drivin gsafet ys yst ems ma yalso be malfunctioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabilisation .Inaddition ,other driving saf etys ystems
ar es witched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Carefully driv eonasuitablestre tchofr oad, making slight steering mo vements at aspeed abo ve30 km/h. #
Ifth ed ispla ymessag edoes no tdisappear ,consult aqualified specialis tworks hop immediately .Drive carefully. 420
Displa ymessages and warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
6 Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is faulty . &
WARNING Risk of inju ryor fata linjur ydue toam alfunctio nintherestra int sy stem
If th er estraint sy stem is malfunctioning, restra int sy stem components ma ybetriggered unintentionally or
might no tbetriggered at all in thee vent of an accident. Thi smayaffect thes eat belt tensioner or airbag, for
ex ample. #
Have ther estraint sy stem checkeda nd repaired immediately at aqualified specialis tworks hop. De
tection of arestraint sy stem malfunction:
R The 6 restra int sy stem warning lam pdoes no tlight up when thei gnition is switched on.
R The 6 restra int sy stem warning lam plight supc ontinuousl yorrepeatedl yduring ajourne y. #
Consult aqualified specialis tworks hop immediatel y.430
Displa ymessages and warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
A Malfunction Consult work-
shop *T
heroll bar sarefaulty. #
Consult aqualified specialis tworks hop immediatel y. Lights
Displa
ymessages
Possible causes/consequences and M
MSolutions
b Example:Left dipped beam *T
he cor responding light source is defective. #
Consult aqualified specialis tworks hop.
% LED light bulbs: thed ispla ymessag efor thec orresponding lam ponly appears when allthel ight-emitting diodes
in thel am ph avef ailed.
b Activ eLight System inoper-
ative *T
he activ eheadlamp sarefaulty. #
Consult aqualified specialis tworks hop. Displa
ymessages and warning/indicator lamps 459

Displa
ymessages
Possible causes/consequences and M
MSolutions
b Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty .The lighting sy stem continues tofunction properly withou tthe functionsof
th eI ntelligent Light Sy stem. #
Consult aqualified specialis tworks hop.
b Malfunction See Owner's
Manual *T
heexterior lighting is faulty. #
Consult aqualified specialis tworks hop.
b AUTO lights inoperative *T
he light sensor is faulty. #
Consult aqualified specialis tworks hop.
b Switch off lights *Y
ou ar eleaving thev ehicle and thel ights ar estills witched on. #
Turn thel ight switc htotheà position. 460
Displa ymessages and warning/indicator lamps

Wa
rning and indicator lamps Overvie
wofwarningand indicator lamps Som
esystems per form aself-tes twhen thei gni‐
tion is switched on. Some warning and indicator
lamps ma ybriefly light up or flash. This behav‐
iour is non-critical. Thes ewarning and indicator
lamps onl yindicat eamalfunction if they light up
or flash af tert he engine is star tedord uring a
journe y.
Instrument displa yinthe widesc reen cockpit Prog
ressiv esetting (widescreen cockpit) If
yo us elect thep rogressiv edispla ysetting in
ve hicles wit hawidescreen cockpit, thep osition
of thei ndicator lamps in thei nstrument display
ch anges.
Wa rning and indicator lamps:
L Dipped beam (→
page117 )
T St
anding light s(→pag e117 )
K Mai
nbeam( →pag e119 )
#! Tu
rn signal light (→ page119 )
R Re
ar fogl ight (→ page117 ) ü
Sea
tbelti sn otfast ened
(→ pag e471 )
J Brakes (red) (→
page465)
J Brakes (yell
ow)(→pag e465)
! ABSm
alfunction (→ page465)
÷ ESP®
(→ pag e465)
å ESP®
OFF (→ page465)
! Electric parkin
gbrake ( →pag e465)
Ð St
eering assis tance malfunction
(→ page 473)
# Electrica
lfault (→ page474 )
6 Re
stra int sy stem (→ page465)
; Engine diagnosis (→
page474 )
8 Fu
elreser vewit hfuel filler cap loca‐
tion indicator (→ page474 )
? Coolan
ttoo hot/cold (→ page474 )
· Dis
tance warning (→ page472)
h Ty
re pressur emonitoring sy stem
(→ pag e477) 462
Displaymessa gesa nd warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
÷ ESP ®
wa rning lam pflashes The
yello wE SP®
wa rning lam pflashes while thev ehicle is in motion.
ESP ®
is inter vening . #
Adapty our driving styletos uitther oad and weather conditions.
÷ ESP ®
wa rning lam plights
up The
yello wE SP®
wa rning lam pislit while thee ngine is running.
ESP ®
is malfunctioning.
Other driving and driving sa fety sy stems ma yalso be faulty. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabilisation .Inaddition ,other driving saf etys ystems are
switched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Driv eonc arefully. #
Obser vethem essages in them ultifunction displa y. #
Consult aqualified specialis tworks hop. 466
Displa ymessages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
6 Re stra int sy stem warning
lamp The
redr estraint sy stem warning lam pislit while thee ngine is running.
The restra int sy stem is malfunctioning. &
WARNING Risk of inju ryor fata linjur ydue toam alfunctio nintherestra int sy stem
If th er estraint sy stem is malfunctioning, restra int sy stem components ma ybetriggered unintentionall yormight not
be triggered at all in thee vent of an accident. Thi smayaffect thes eat belt tensioner or airbag, fore xamp le. #
Have ther estraint sy stem checkeda nd repaired immediately at aqualified specialis tworks hop. #
Driv eonc arefully. #
Obser vethem essages in them ultifunction displa y. #
Consult aqualified specialis tworks hop immediatel y. Seat belt
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
light sup The
reds eat belt warning lam plight supa fter thee ngine is star ted.
In addition, an acoustic warning tone ma ysound.
The sea tbeltw arning lam premind sthe driver and front passenger tofast entheir seat belts. #
Fasten your seat belt .
If yo uh ave placed objects on thef ront passenger seat, thes eat belt warning lam pmayremain lit. Displa
ymessa gesa nd warning/indicator lamps 469

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
7 Seat belt warning lamp
fl ashes The
reds eat belt warning lam pflashes and an intermit tent wa rning tone sounds.
The driver or front passenger ha snotfast ened their seat belt while thev ehicle is in motion. #
Fasten your seat belt .
Ther eareobject sonthe front passenger seat. #
Remo vetheo bjects from thef ront passenger seat. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
à Suspension warning lamp The
yello wA IRBO DY CONTROL warning lam pison.
AI RB ODYC ONTROL is faulty. #
Obser vethem essages on them ultifunction displa y.
·
Dis tance warning warning
lamp The
redd istan cewarning lam plight supw hilethev ehicle is in motion.
The dis tance tothev ehicle in front is toos mall fort he speed selected.
If th er eisana dditional warning tone, youa reapproachin ganobstacle at tooh igh aspeed. #
Be prepared tobrak eimmediatel y. #
Increase thed ista nce.
Ac tiveB rake Assi st . 47 0
Displaymessa gesa nd warning/indicator lamps