sensor MERCEDES-BENZ S-CLASS CABRIOLET 2018 Owner's Guide

Displaymessages
Possible causes/consequences and MSolutions
Active Blind Spot Assist
Currently Unavailable See
Operator's Manual *A
ctive Blind Spot Assist istemp orarily una vailable.
The sy stem limitations ha vebeen reached (
→page 202) (→page 203) (→page 202).
#Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
#Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
Active Blind Spot Assist
Inoperative *A
ctive Blind Spot Assist is malfunctioning.
#Visit a qualified specialist workshop.
Blind Spot Assist Currently
Unavailable See Operator's
Manual *B
lind Spot Assist is temp orarily una vailable.
The sy stem limitations ha vebeen reached (
→page 202) (→page 203) (→page 202).
#Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
or
#If th e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine.
#If necessar y,clean there ar bumper. If the bumper is extreme lydirty, the sensors in the bumper may be mal‐
functioning.
Blind Spot Assist Inopera-
tive *B
lind Spot Assist is malfunctioning.
#Visit a qualified specialist workshop.
Display messages and warning/indicator lamps 423

Displaymessages
Possible causes/consequences and MSolutions
h
Warning Tire Malfunction*T
he tire pressure in one or more tires has dropped suddenly. The wheel position is displa yed.
&
WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
RThe tires can overheat and cause a fire .
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Do not drive with a flat tire.
#Observ eth e no tes on flat tires.
No tes on flat tires (→page 342).
#St op theve hicle, paying attention toroad and traf fic conditions.
#Check the tires.
Tire Press. Monitor Cur-
rently Unavailable *N
o signals can be receive d from the tire pressure sensors due tostro ngradio signal source inter fere nce. The tire
pressure monito ring sy stem is temp orarily una vailable.
#Drive on.
The tire pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
432
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
h
Wheel Sensor(s) Missing*T
here is no signal from the tire pressure sensor of one or more tires. The pressure of the af fected tire is not dis‐
play ed.
#Have thefa ulty tire pressure sensor replaced at a qualified specialist workshop.
Tire Pressure Monitor Inop-
erative No Wheel Sensors *T
he wheels fitted do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
#Mount wheels with suitable tire pressure sensors.
Tire Press. Monitor Inopera-
tive *T
he tire pressure monitoring sy stem is defective.
&
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tires.
Und erinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
#Ha ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
#Visit a qualified specialist workshop.
Display messages and warning/indicator lamps 433

Displaymessages
Possible causes/consequences and MSolutions
b
Malfunction See Opera-
tor’s Manual*T
heexterior lighting is defective.
#Vi sit a qualified specialist workshop.
b
Auto Lamp Function Inoper-
ative *T
he light sensor is defective.
#Visit a qualified specialist workshop.
b
Switch Off Lights *Y
ou are leaving theve hicle and the lights are still switched on.
#Tu rn the light switch totheà position.
b
Switch On Headlamps *Y
ou are driving without low beam headlamps.
#Turn the light switch totheL orà position.
Adaptive Highbeam Assist
Inoperative *A
daptive Highbeam Assist is malfunctioning.
#Visit a qualified specialist workshop.
444
Displaymessage s andwarning/indicator lamps

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

Call listMaking a call ...................................... .288
Options in the call list .......................... 288
Overview ............................................. 288
Calling up the sound menu
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 325
Burmes ter
®sur round sound sy stem ... .324
Calls .......................................................... 284
Ac cepting ............................................ 284
Ac tivating functions du ring a call ........ 285
Calls wi thseveral participants ............ .285
Declining ............................................. 284
Ending a call ........................................ 284
Incoming call during an existing call .... 285
Making ................................................ 284
Camera see 360° Camera
see Rear view camera
Car key
see SmartK ey
Car wash
see Care
Car wash (care) ....................................... 334 Care
..........................................................3 39
Car wash ............................................. 334
Carpet .................................................3 39
Display ................................................ 339
Exhau stpipes ...................................... 338
Ex terior lighting ... ................................ 338
Headliner ............................................. 339
Mat

t finish ........................................... 336
Night View Assist ................................ 337
Pa int wo rk ............................................ 336
Plastic trim .......................................... 339
Po we rwa sher ...................................... 335
Re alwo od/trim elements ...................3 39
Re ar view camera/360° Camera ........ 338
Seat belts ............................................ 339
Seat co ver ........................................... 339
Sensors ............................................... 338
Wa shing byhand ................................. 335
Wheels/rims ....................................... 338
Wi ndo ws .............................................. 338
Wi per blades ...................................... .338
Carpet (care) ............................................ 339
Change of address ....................................2 3
Change of ownership ................................ 23 Changing a wheel
Lowe ring theve hicle ........................... 390
Mounting a new wheel ........................ 389
Preparation ......................................... 386
Ra ising theve hicle ...............................3 87
Re moving a wheel ...............................3 89
Re moving/ins talling hub caps ............ .386
Changing hub caps ................................. 386
Channel list Calling up ............................................. 318
Cha racter entry
Fu ncti
on/no tes ................................... 240
On theto uchpad .................................. 241
Using the controller ............................. 241
Cha rging
Batte ry(vehicle) .................................. 350
Mobile phone (wireless) ...................... 105
Chassis le vel (AIR BODY CONT ROL)
Setting ................................................ .176
Chassis le vel (MAGIC BODY CON‐
TROL)
Setting ................................................ .180
Index 467

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

Traf fic Sign Assist CameraView
Re stricted See Ope rator's Manual .......424
Tr af fic Sign Assist Currently Unavail‐
able See Operator's Manual ................ 424
Tr af fic Sign Assist Inoperative............. 424
Tr ansmission Malfunction Stop ........... 437
F Turn On the Ignition to Release
th ePa rking Brake ................................ .410
dVe hicle Operational Switch the
Ignition Off Before Exiting .................... 437
ÉVe hicle Rising Please Wait.......... .420
ÉVe hicle Rising .............................. 420
hWa rning Tire Malfunction ............ 432
hWheel Sensor(s) Missing .............433
Display on the windshield
see Head-up Display
Distance control see Active Dis tance Assist DISTRONIC
Di stance recorder
see Trip dis tance DI
STRO NIC
see Active Dis tance Assist DISTRONIC
Door Locking (from inside) ............................. 61
Opening (from inside) ............................6 1
Po we r closing function ..........................6 4
Un locking (emer gency key) .................. .64
Un locking (from inside) .......................... 61
Door cont rol panel .................................... .14
Door cont rol panel (rear passenger
compartment) ........................................ ...
.
16
DO T,Tire Identification Number (TIN) ...375
Drinking and drivin g................................ 132
Drink sholder
see Cup holder
Driv eAwa y Assist .................................... 194
Driv eposition
Selecting ............................................ .138
Drive prog ram display ............................. 136
Driv eprog rams
see DYNA MIC SELECT Driving lights
see Automatic driving lights
Driving saf ety sy stem ............................ .150
ABS (Anti-lock Brake Sy stem) .............. 151
Ac tive Brake Assi st.............................. 155
BA S (Brake Assist System) .................. .151
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 155
ESP
®(Electronic Stability Prog ram)
Crosswind Assist ................................. 154
Overview ..............................................1 51
Ra dar sensors .....................................1 50
Re sponsibility ...................................... 150
ST EER CONTROL ................................. 155
Drivin gsy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assist DISTRONIC
see Active Lane Keeping Assist
see Active Parking A
ssist
see Active Speed Limit Assi st
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
Index 47
3

Selecting agear
see Shifting gears
Selecting a POI see De stination ent ry
Selecto r lever
see DIRECT SELECT le ver
Self-test Automatic front passenger front air‐
bag shutoff ............................................ 45
Sensors (Care) .........................................3 38
Service Menu (on-board computer) .................. 212
Service center see Qualified specialist workshop
Service inter val display
see AS SYST PLUS
Setting a speed see Cruise contro l
Setting summer time ..............................243
Setting the da teform at .......................... 244
Setting the distance unit ........................248 Setting
thefo ot we lltemp erature
Setting ................................................ .122
Setting the map scale
see Map
Setting the sound profile
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 326
Shifting gears .......................................... 139
Gearshift recommendation .................. 139
Manual ................................................ 139
Short messages see Text message s
Side impact air bag ................................... 40
Side impact pr otection .......................... .183
Side windo ws............................................. 72
Closing .................................................. 72
Closin g using
the Smart
Key ................... 74
Con venience closing feature .................. 74
Con venience opening ............................ 73
Opening .................................................7 2
Opening with the SmartK ey................... 73
Problem .................................................7 4
Size designation (tires) ...........................377 Sliding sunroof
MAGIC SKY CONTROL (function) ........... 78
MAGIC SKY CONTROL (operating) .........7 8
SmartK ey................................................... 57
Battery .................................................. 59
Energy consump tion .............................. 58
Fe atures ................................................ 57
Ke yring attachment .............................. 59
Mechanical key ...................................... 59
Overvie w.............................................. .57
Pa nic alarm ........................................... 58
Problem ................................................. 60
Unlocking setting .................................. 58
Smartphone see Android Auto
see Apple CarPlay™
see Telephone
Snow chains ............................................ 363
Soc ket (12 V) ............................................ 102
Fr ont center console ........................... 102
Re ar passenger compartment ............ .102
Tr unk .................................................. .103
Software update Impor tant sy stem updates .................. 252
488
Index