2018 MERCEDES-BENZ S-CLASS CABRIOLET air condition

Warning/indicator lamp
Possible causes/consequences and MSolutions
!
ABSwarning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving and driving safe ty systems may also be faulty.
&
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired .Th ebr aking dis tance in an emer‐
ge ncy braking situation can increase. In addition, other driving saf etysy stems are switched off.
#Drive on carefull y.
#Have the brake sy stem checked immediately at a qualified specialist workshop.
#Drive on carefully.
#Obser vethe messages in the multifunction displa y.
#Visit a qualified specialist workshop.
÷
ESP®wa rning lamp flashes The
yellow ESP
®wa rning lamp flashes while theve hicle is in motion.
ESP
®is inter vening.
#Ad apt your drivin gst yle to suit thero ad and weather conditions.
Display messages and warning/indicator lamps 44
9

Warning/indicator lamp
Possible causes/consequences and MSolutions
·
Distance warning lamp The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed.#Be prepared tobrake immediatel y.
#Increasethe dis tance.
Ac tive Brake Assi st.
Ve hicle
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
Ð
Powe rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po werst eering assis tance or thesteering itself is malfunctioning.&
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf etyis jeopardized.
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances.
#Consult a qualified specialist workshop.
#Obser vethe messages in the multifunction displa y.
Displaymessage s andwarning/indicator lamps 455

Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:RThe temp erature sensor is malfunctioning
RCoolant le velto o low
RThe air supply tothera diator is obstructed
RThe radiator fan is de fective
If th ere is an additional warning tone, the coolant temp erature has exceeded the maximum permissible temp erature.
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could come
into contact with hot gases or other escaping operating fluids.
#Before opening the hood, allow the engine tocool down.
#Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
#Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances.
#Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale:
#Consult a qualified specialist workshop.
458
Display messages and warning/indicator lamps

Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressure monitoring
sy stem warning lamp lights
up The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires.&
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Obser vethere commended tire pressure.
#Ad just the tire pressure if necessar y.
#Stop theve hicle, paying attention toroad and traf fic conditions.
#Check the tire pressure and the tires.
460
Display messages and warning/indicator lamps

Let fresh air intotheve hicle interior.
Air Conditioning Malf. Visit Wo rk‐
shop ....................................................4 39
Lo we ring ............................................. 426
Malfunction Drive at Max. 50 mph...... 422
bMalfunction See Operator ’s
Manual ................................................ 444
Max. Speed 22 mph............................4 26
Mercedes me connect Services Limi‐
te d See Operator's Manual ..................415
N Pe rm anently Active Risk of Rolling
Aw ay ................................................... 436
ÂObta in a NewKey........................ 43 4
ëOf f.............................................. .425
Only Shift to'P' when Vehicle is Sta‐
tionary ................................................ .436
FPa rking Brake See Opera tor's
Manual ................................................. 411
ÂPlace theKe yin the Mar ked
Space See Opera tor's Manual ............. 435 hPlease Cor
rect Tire Pressure .......430
F Please Release Parking Brake .....4 10
PRE-SAFE Inoperative See Opera‐
to r's Manual ......................................... 415
Ra dar Sensors Dirty See Operator's
Manual ................................................ .416
ÂRe placeKeyBat tery .................... 434
Re versing Not Possible Ser
vice
R

e qu ired .............................................. 437
Service Required Do Not Shift Gears
Vi sit Dealer .......................................... 437
6SRS Malfunction Service
Re quired .............................................. 417
# Start Engine See Operator's
Manual ................................................ 428
ÐSt eering Malfunction Drive
Carefully Service Required .................. 439
ÐSt eering Malfunction Inc reased
Ph ysical Ef fort See Opera tor's Man‐
ual ....................................................... 440 ÐSt
eering Malfunction Stop
Immediately See Operator's Manual ...440
St op Vehicle Lea veEngine Running
Wa itTransmission Cooling .................. 438
#St opVehicle Lea veEngine Run‐
ning ..................................................... 429
#St opVehicle See Operator's
Manual ................................................ 428
ÉSt opVehicle Vehicle Too Low ...... 421
bSwitch Off Lights .........................444
bSwitch On Headlamps .................444
Ti re Press. Monitor Cur rently
Un available .......................................... 432
Ti re Press. Monitor Inoperative ........... 433
Ti re Pressure Monitor Inoperative No
Wheel Sensors ...............
..................... 433
To De

select P or N,Dep ress Brake
and Start Engine .................................. 436
To Engage Transmiss. Position R Fir st
Dep ress the Brake .............................. .442
472
Index

On-board computer................................. 209
Assis tance graphic menu ..................... 212
Displ aying the service due date ........... 327
Head-up Display menu ........................ .217
Media menu ......................................... 216
Menu designs ...................................... 218
Menu overview .................................... 209
Multifunction display ............................ 211
Na vigation sy stem menu ..................... .214
Operating ............................................ 209
Ra dio menu .......................................... 215
Service menu ....................................... 212
Te lephone menu .................................. 216
Tr ip menu ............................................ .213
On-board diagnostics inter face
see Diagno stics connection
Open-source software .............................. 32
Opening the trunk lid using your foot
HANDS-FREE ACCESS .......................... .68
Operating fluids
Ad ditives (fuel) .................................... 398
Brake fluid .......................................... .399
Coolant (engine) .................................. 400
Engine oil .......................................... .. 398Fu
el (gasoline) ..
..................................
.397
No tes .................................................. 396
Re frigerant (air conditioning sy stem) ... 401
Wi ndshield washer fluid ...................... 400
Ope rating saf ety
Declaration of conformity (wireless
ve hicle components) ............................. 25
Information ............................................ 24
Operating sy stem
see On-board computer
Operator's Manual Vehicle equipment ................................. 22
Operator's Manual (digital) ......................20
Outside mir rors ................................ 116, 117
Anti-gla remode (auto matic) ................. 117
Au tomatic mir rorfo lding function ........ 119
Fo lding in/out ...................................... 116
Pa rking position .................................. .118
Setting ................................................. 116
Using the memory function .................. .93
Overhead control panel Overview ................................................ 12
P
Pa int code ................................................ 394
Pa intwork (cleaning instructions) .........336
Pa nel heating
Setting ................................................... 89
Pa nic alarm ................................................ 58
Ac tivating/deactivating ......................... 58
Pa noramic roof
Operating thero ller sunblind ................ .76
Re setting thero ller sunblind .................. 77
Pa rcel net hooks ........................................ 98
Pa rental control
Setting ................................................ .248
Pa rk position
Selecting ............................................. 138
Selecting au tomatical ly....................... 138
Pa rking
see Electric parking brake
Pa rking aid
see Parking Assist PARKTRONI C
Pa rking Assist
Maneuvering assis tance ...................... 195
Index 483

Preve ntative occupant pr otection sys‐
te m
see PRE-SAFE
®(anticipatory occu‐
pant pr otection)
Pr ev ious destinations
Selecting ............................................ .259
Prog rams
see DYNA MIC SELECT
Pr otecting the environment
No tes ..................................................... 21
Q
QR code Rescue card .......................................... 28
Qualified specialist workshop .................. 27
R
Ra dar senso rs.......................................... 150
Ra dio
Ac tivating .............................................3 16
Ac tivating/deactivating radio text ....... 319
Callin g upthech annel list .................... 318
Del eting stations .................................. 318 Direct frequency entry .........................
318
Displ aying information ........................ .319
Displ aying radio text ............................ 319
Editing station presets ........................ .318
Menu (on-board computer) .................. 215
Moving stations .................................. .318
Overview ..............................................3 17
Searc hingforst ations .......................... 318
Setting a station .................................. 318
Setting the frequency band .................. 318
St oring radio stations .......................... 318
Switching HD Radio on/off .................. 318
Ta gging music trac ks........................... 319
Vo ice commands (Voice Cont rol Sys‐
te m) ..................................................... 228
Ra dio stations
Dialing (on-board computer) ................2 15
Ra nge
Displaying ............................................ 213
Re ading lamp
see Interior lig hting
Re alw

o od (care) ...................................... 339
Re ar climate control
Setting ................................................. 123 Re
ar fog light .......................................... .109
Re ar view camera ....................................1 85
Assigning as a favo rite (360° Cam‐
era) ...................................................... 190
Care .................................................... 338
Fu nction .............................................. 185
Opening the camera co ver (360°
Camera) ............................................... 190
Re ar window
Ro ller sunblind ...................................... .71
Re ar-view mir ror
see Outside mir rors
Re frigerant (air conditioning sy stem)
No tes ................................................... 401
Re frigerator box
Ins talling/ removing ............................. 105
Using ................................................... 103
Re fueling
Re fueling theve hicle ........................... 140
Re mo teOnline
Cooling or heating theve hicle inte‐
ri or .......................................................1 30
St arting theve hicle ............................. 130
Index 485