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

#
Avoid fire ,n aked flames ,creating
spar ksand smoking. #
Mak esuret hat ther eiss ufficient venti‐
latio ndurin gthe chargin gprocess and
during startin gassis tance. #
Do no tlea no verab atter y. If
th ei ndicator/warning lamps in thei nstrument
clus terdon otlight up at lo wtemperatures, it is
ve ry likel ythat thed ischar gedb atter yhas fro‐
zen. &
WARNING Risk ofexplosion from afro‐
zen battery
Ad ischar gedb atter ymayfreeze at temp era‐
tures slightl yabove or belo wfreezing point.
During startin gassis tance or batter ycharg‐
ing, batter ygas ma ybereleased. #
Alw ayst hawaf roze nb atte ry out first
befor echarging it or per form ing start‐
ing assis tance. The service li
feof ab atter ythat has been
th awe dmaybe dramaticall yshor tened. It is
recommended that youh ave athawe db at‐
te ry checkedataq ualified specialis tworks hop.
All vehicles
* NO
TEDama gecaused bynumerou sor
ex tende dattem ptstos tart thee ngine Nume
rous or extende dattem ptstos tart the
engine ma ydamag ethe catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extende dattem pts
to star tt he engine. Obser
vethef ollowing points during starting
assis tance and when chargin gthe battery:
R Onlyuse undamaged jum plead/charging
cables wit hasufficient cross-section and
insula tedt erminal clamps.
R Non- insulated parts of thet erminal clamps
mus tnotcom eintoc ontac twitho ther me tal
parts while thej um plead/charging cable is
connected totheb attery/jump-s tart connec‐
tion point. R
The jum plead/c harging cable mus tnot
come int ocontact wi thanyp arts whic hmay
mo vewhen thee ngine is running.
R Alw aysm akes uret hat neither youn orthe
batter yiselectrost aticall ychar ged.
R Keep away from fire and naked flames.
R Do no tlean overthe batter y.
R When charging: only use batter ychargers
te sted and appr ovedbyM ercedes-Benz, and
please read theb atter ychar ger's operating
instructions befor echarging theb atter y.
Obser vethea dditional following point sduring
st artin gassis tance:
R Startin gassis tance ma yonly be pr ovided
using batteries wit hanominal voltag eof
12 V.
R The vehicles mus tnottouch.
R Petrol engine: only acceptstartin gassis‐
ta nce if thee ngine and exhaus tsystema re
cold. #
Secur ethe vehicle byapplying thee lectric
parking brake. Breakdown assis
tance 385

R
befor eembarkin gonalonger journey
R if operating condition schange, e.g. off-
ro ad driving #
Adjus tthe tyr epressur easn ecessar y. Driving wi
thtyr ep ressur ethat is tooh igh or too
lo wc an:
R Sho rten thes ervice lif eofthe tyres.
R Cause increased tyr edamage.
R Adverselya ffect driving characteristic sand
th us drivin gsafet y, e.g. due toaquaplaning. &
WARNING Risk of accident from repea‐
te dt yrep ressur edrop
If th et yrep ressur edrops repeatedl y,the
wheel, valveort yrem aybe damaged.
Insuf ficient tyr epressur ecan cause thet yres
to bur st. #
Inspect thet yref or signs of fore ign
objects. #
Chec kwhether thew heel or valveh as a
leak. #
Ifyo ua reunable torectify thed amage,
conta ctaq ualified specialis tworks hop. Information on
ther ecommende dtyrep ressure
fo rt he vehicle's factor y-fitted tyres can be found
on thet yrep ressur etable on thei nside of the
fuel filler flap (→ page400).
Use asuitable pressur egaug etoc heckthe tyre
pressure. The outer appearance of atyred oes
no tp ermit an yreliable conclusion about thet yre
pressure.
Ve hicles with atyrep ressur emonitoring sys‐
te m: youc an also checkt he tyr epressur eusing
th eo n-boar dcomputer.
Onl ycorrect tyr epressures whe nthe tyres are
cold. Conditions forc old tyres:
R The vehicle has been par kedw itht he tyres
out of direct sunlight foratl east thre eh ours.
R The vehicle has tr avelled less than 1.6k m.
Ar ise in thet yret emperatur eof10°Ci ncreases
th et yrep ressur ebya pprox.10k Pa(0.1b ar/ 1.
5p si).Tak et his int oaccount when checking
th et yrep ressur eofw armt yres. Ty
re pressur etable The tyr
epressure table is on thei nside of the
fuel filler flap. The tyr
epressur etable sho ws therecommended
tyr ep ressur efor all tyres appr ovedfor this vehi‐ 398
Wheels and tyres

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 e397) 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 (→ page458).
R Viat he h warning lam pinthe instrument
clus ter( →pag e488).
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. Notethat 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 owe ver,also updat ethe refere nce val‐
ues byrestartin gthe tyr epressur emonitoring
sy stem manually (→ page402).
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et yrep ressur eiss etincor rectl y.
R Ifth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetrating the
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 e397)
Checking thet yrep ress urew itht he tyre
pressur emonitoring sy stem
Requ irement:
R The ignition is switched on. Wheels and tyres
399

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. 430
Displa ymessages and 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. 432
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.442
Displaymessa gesa nd warning/indicator lamps

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.
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. 47 0
Displaymessa gesa nd warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
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.
b Switch on headlamps *Y
ou ar edriving without dipped-beam headlamps. #
Turn thel ight switc htotheL orà position.
Adaptive Highbeam Assist
Plus inoperative *A
daptiv eHighbeam Assis tPlus is faulty. #
Consult aqualified specialis tworks hop.
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptiv eHighbeam Assis tPlus is temp oraril yunavailable.
The sy stem border shave been reached (→ page124). #
Driv eon.
Once thec ause of thep roblem is no longer present ,the sy stem will be available again. The AdaptiveHighbeam
Assist Plus availabl eagain displa ymessag eappears. Displa
ymessages and warning/indicator lamps 471

Displa
ymessages
Possible causes/consequences and M
MSolutions
Adaptive Highbeam Assist
Plus Camera view restric-
ted See Owner's Manual *T
he camer aviewisr estricted. Possible causes:
R dirtont he windscreen in thec amera's field of vision
R heavy rain, sno worfog
Driv ings ystems and driving saf etys yst ems ma ybemalfunctioning or temp orarily una vailable.
Onc ethe cause of thep roblem is no longer present ,driving sy stems and driving saf etys yst ems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear: #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions. #
Clea nthe windscreen. 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) 472
Displaymessa gesa nd warning/indicator lamps

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 (→
page119 )
T St
anding light s(→pag e119 )
K Main beam (→
page121 )
#! Tu
rn signal light (→ page121 )
R Re
ar fogl ight (→ page119 ) ü
Seat bel
tisnotfast ened
(→ pag e482)
J Brakes (red) (→
page474 )
J Brakes (yell
ow)(→pag e474 )
! ABS malfunction (→
page474 )
÷ ESP®
(→ page 474)
å ESP®
OFF (→ page474 )
! Electric parking brak
e(→pag e474 ) Ð
St
eering assis tance malfunction
(→ page 484)
# Electrical
fault (→ page485)
6 Re
stra int sy stem (→ page474 )
; Engine diagnosis (→
page485)
8 Fu
elreser vewit hfuel filler cap loca‐
tion indicator (→ page485)
? Coolant
tooh ot/cold (→ page485)
· Dis
tance warning (→ page483)
h Ty
re pressur emonitoring sy stem
(→ pag e488) Displa
ymessages and warning/indicator lamps 473