2017 MERCEDES-BENZ S-CLASS CABRIOLET sensor

Displa
ymessages
Possible causes/consequences and M
MSolutions
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of thes ensors
R heavy rain
R extende dcountr ydriving wi thout other traf fic, e.g. in thed esert
Driving sy stems and driving saf etys ystems ma ybem alfunctioning or temp orarily una vailable.
Onc ethe cause of thep roblem is no longer present ,driving sy stems and driving saf etys ystems 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 nallsenso rs . #
Restar tt he engine. Displa
ymessages and warning/indicator lamps 429

Displa
ymessages
Possible causes/consequences and M
MSolutions
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctiv eBlind Spo tAssististemp orarily una vailable.
The sy stem border shave been reached (→ page212). #
Driv eon.
Once thec ause of thep roblem is no longer present ,the sy stem will be available again. #
Ifth ed ispla ymessag edoes no tdisappear ,stopt he vehicle while paying attention toroad and traf ficc onditions
and restar tt he engine.
Active Blind Spot Assist
inoperative *A
ctiveBlind Spo tAssistis malfunctioning. #
Consult aqualified specialis tworks hop.
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spo tAssis tist emporaril yunavailable.
The sy stem border shave been reached (→ page212). #
Driv eon.
Once thec ause of thep roblem is no longer present ,the sy stem will be available again.
or #
Ifth ed ispla ymessag edoes no tdisappear ,stopt he vehicle while paying attention toroad and traf ficc onditions
and restar tt he engine. #
If necessar y,clean ther ear bumper .Ifthe bumper is extreme lydirty ,the sensor sinthe bumper ma ybemal‐
functioning.
Blind Spot Assist inopera-
tive *B
lind Spo tAssis tism alfunctioning. #
Consult aqualified specialis tworks hop. 436
Displa ymessages and warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
h Warning tyre defect *T
he tyr epressur eino ne or mor etyres has dropped suddenly .The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres ar edangerous in thef ollowing ways:
R The tyres can overheat and cause afire.
R ‑The driving characteristics, steering and braking ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle. #
Do no tdrive wit haf lat tyre. #
Obser vethen otes on flat tyres. No
tesonf lat tyres (→ page365). #
Stop thev ehicle, paying attention toroad and traf ficc onditions. #
Chec kthe tyres.
Tyre press. monitor cur-
rently unavailable *N
osignals can be recei vedf romt he tyr epressur esensor sdue tostro ngradio signal source inter fere nce. The tyre
pressur emonitoring sy stem is temp oraril yunavailable. #
Driv eon.
The tyr epressur emonitoring sy stem restarts automaticall yassoon as thec ause has been rectified. 446
Displaymessa gesa nd warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
h Wheel sensor(s )missing *T
her eisnos ignal from thet yrep ressur esensor of one or mor ewheels. The pressur eofthe affected tyr eisnot
displ ayed. #
Have thef aulty tyr epressur esensor replaced at aqualified specialis tworks hop.
Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do no thave suitable tyr epressur esensors. The tyr epressur emonitoring sy stem is deactivated. #
Fit wheels wit hsuitable tyr epressur esensors.
Tyre press. monitor inoper-
ative *T
he tyr epressur emonitoring sy stem is faulty. &
WARNING Thereisar isk of an accident if thet yrep ressur emonitoring sy stem is malfunctioning
If th et yrep ressur emonitoring sy stem is malfunctioning, it is no table toissue awarning if ther eisp ressure
loss in one or mor eofthe tyres.
Ty resw ithi nsuf ficient tyr epressur emay,for example, af fect thev ehicle's handling characteristics, steering and
braking. ‑ #
Have thet yrep ressur emonitoring sy stem checkedataq ualified specialis tworks hop. #
Consult aqualified specialis tworks hop. Displa
ymessages and warning/indicator lamps 447

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/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
redc oolant warning lam pislit while thee ngine is running.
Po ssible causes:
R The temp eratur esensor is malfunctioning
R Coolant le veltoo low
R The air suppl ytotheradiator is obstructed
R The radiator fani sfaulty
If th er eisana dditional warning tone, thec oolant temp eratur ehasexceeded 120° C. &
WARNING Danger of bu rnsw hen opening theb onnet
If yo uo pen thee ngine bonn etwhen thee ngine has overheated or during afireint he engine compartment, you
could come int ocontact wi thhotg ases or other escaping operating fluids. #
Befor eopening theb onnet ,allowt he engine tocool down. #
Inthee vent of afireint he engine compartment, keep thee ngine bonn etclosed and cal lthe fire service. #
Stop thev ehicle immediately ,paying attention toroad and traf ficc onditions ,and switc hoffthee ngine. Do no tcon‐
tinue driving under an ycircums tances. #
Obser vethem essages in them ultifunction displa y.
If th ec oolant temp eratur edispla yisatt he lowerend of thet emperatur escale: #
Consult aqualified specialis tworks hop. Displa
ymessages and warning/indicator lamps 473

Plastic trim .......................................... 360
Re
alwo od/trim elements ...................3 60
Re versing camera/360° Camer a....... .3 58
Ro of lining ...........................................3 60
Seat bel t.............................................. 360
Seat co ver. .......................................... 360
Sensor s............................................... 358
Sof ttop ............................................... 356
Wa shing byhand ................................. 353
Wheels/rims ....................................... 358
Wi nd de flector .....................................3 56
Wi ndo ws .............................................. 358
Wi per blades .......................................3 58
Carpe t(Ca re) .......................................... .360
Changing hub caps .................................. 397
Changing thel ights
Drivin gabroad (symm etrical dipped
beam) ................................................... 11 7
Channel tracking Setting ................................................ .333
Charging Batter y(vehicle) .................................. 373
Mobile phone (wireless) ....................... 11 4Chassis le
vel(AIR BODY CONT ROL)
Setting ................................................ .190
Chil dseat
At tach ing (no tes) ................................... 57
Fr ont passenger seat (no tes) ................. 55
Fr ont passenger seat (rear ward-
fa cing/for ward-facing) .......................... 56
Fr ont passenger seat (without airbag
shutoff) .................................................. 55
ISOFIX (fitting) ....................................... 54
ISOFIX (no tes) ....................................... 53
No tes. .................................................... 50
Re commended child restra int sy stems .. 61
Seats suitable forb elt-secu redc hild
re stra int sy stems ................................... 57
Seats suitable forI SOFIX child
re stra int sy stems ................................... 59
Children Restra int sy stems ..................................50
Chock ...................................................... .396
St orag elocation ..................................3 96
Cigar ette lighter
Fr ont centre console ............................ 11 3Cleaning
see Care
Climat econtrol
Ac tivating/deactivating theA /C
function (cont rolp anel) ........................ 131
Ac tivating/deactivating theA /C
function (multimedia sy stem) .............. 13 2
Ac tivating/deactivating thes ynchro‐
nisation function (multimedia sys‐
te m) ..................................................... 13 3
Air di stribution settings .......................1 32
Air-recirculation mode ......................... 13 3
Au tomatic control ................................ 13 2
Climat estyle function .......................... 13 2
Demi sting thew indo ws....................... 13 3
Fr ont air vents ..................................... 13 5
Glo veboxa irve nt ................................ 13 6
Inserting/removing thef lacon (fra‐
gr anc esystem) .................................... 13 4
Ionisation .............................................1 34
No te ..................................................... 131
Re ar air vents ...................................... 13 6
Re sidualh eat ....................................... 13 3
Setting thec limat estyle ...................... 13 2
Setting thef ragrance sy stem ............... 13 4 Index
483

È
.................................................... 439
_Example: Front lef tseat back‐
re st notloc ked ................................... 456
bExample: Lef tdipped beam ........ 459
Fa ult Driv eatmax.80k m/h .............. .435
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 32
Fr ont-passenger airbag enabled See
Owner's Manual ................................... 431
!inoperativ eSee Owner's Man‐
ual ........................................................ 417
÷ inope rativ eS ee Owner' sMan‐
ual ....................................................... .419
T inope rativ eS ee Owner' sMan‐
ual ....................................................... 421
GInope rative ................................. .426
bIntelligent Ligh tSystemi noper‐
ative ....................................................4 60
ÂKe ynotdetected (red displ ay
messa ge).............................................4 49ÂKe
ynotdetected (whit edispl ay
messa ge).............................................4 49
Le tfresh airi ntot he vehicle interior!
Air conditioningm alf.Visit workshop .. 453
Limiter inoperative .............................. 439
Limiter passive .................................... 439
Lo we ring ............................................. 440
A Malfunction Consult workshop ... 459
bMalfunction See Owner's Man‐
ual .......................................................4 60
max. spee d35km/h.......................... 440
ð Maximum speed exceeded ..........4 40
Np ermanently activ eRiskofv ehicle
ro lling .................................................. 450
ëOff .............................................. .438
Onl yselect Park (P) when vehicle is
st ationary ............................................ 450
K Open/close topc omple tely ....... 458
!Pa rking brak eSee Owner's
Manual ................................................ 423 ÂPlace
thek eyinthem arked
space See Owner's Manual .................449
PRE-SAFE inoperativ eSee Owner's
Manual ................................................ 427
Ra dar sensor sdirty See Owner's
Manual ........................................ 428, 429
hRe ctify tyrepressure ................... 445
! Release parkin gbrake ................ 422
Re place keyS eeOwner' sManual ........ 448
 Replace key................................ .448
8Re servefuel le vel........................ 443
6 Restra int sys. malfunction Con‐
sult workshop ...................................... 430
Re versing no tposs. Consult work‐
shop ....................................................4 51
Risk of vehicle rolling Driver door
open and transmission no tinP...........450
Speed limi t(winter tyres) XXX km/h ...440
# Starte ngine See Owner' sMan‐
ual ...................................................... .442 Index
487