2018 MERCEDES-BENZ S-CLASS COUPE air condition

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.
460
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.
462
Display messages and warning/indicator lamps

TInoperative See Operator's
Manual................................................4 08
GInopera tive................................... 413
ÂKe yNo tDe tected (red displ ay
message )............................................ .434
ÂKe yNo tDe tected (white dis‐
play message ).................................... .433
Let fresh air into theve hicle interior.
Air Conditioning Malf. Visit Wo rk‐
shop ....................................................4 38
Lo we ring ............................................. 425
Malfunction Drive at Max. 50 mph.......4 21
bMalfunction See Operator ’s
Manual ................................................ 445
A Malfunction Service Required ....444
Max. Speed 22 mph............................4 25
Mercedes me connect Services Limi‐
te d See Operator's Manual ..................414
N Pe rm anently Active Risk of Rolling
Aw ay ................................................... 435 ÂObta
in a NewKey........................ 43 3
ëOf f.............................................. .424
Only Shift to'P' when Vehicle is Sta‐
tionary ................................................ .435
K Open/Close Con vertible Top
Comple tely .......................................... 444
FPa rking Brake See Opera tor's
Manual ......
...........................................4 10
Â

Place theKe yin the Mar ked
Space See Opera tor's Manual .............434
hPlease Cor rect Tire Pressure .......429
F Please Release Parking Brake .... 409
PRE- SAFE Inopera tive See Opera‐
to r's Manual ......................................... 414
Ra dar Sensors Dirty See Operator's
Manual ................................................ .415
ÂRe placeKeyBat tery .................... 433
Re versing Not Possible Service
Re quired .............................................. 436 Service
Required Do Not Shift Gears
Vi sit Dealer .......................................... 436
6SRS Malfunction Service
Re quired .............................................. 416
# Start Engine See Operator's
Manual ................................................ 427
K Start Engine See Operator's
Manual ................................................ 443
ÐSt eering Malfunction Drive
Carefully Service Required .................. 438
ÐSt eering Malfunction Inc reased
Ph ysical Ef fort See Opera tor's Man‐
ual ....................................................... 439
ÐSt eering Malfunction Stop
Immediately See Operator's Manual ... 439
St op
Vehicle Lea veEng
ineRunning
Wa itTransmission Cooling ...................437
#St opVehicle Lea veEngine Run‐
ning ..................................................... 428
474
Index

seeAutomatic front passenger air‐
bag shutoff
see PRE-SAFE
®(anticipatory occu‐
pant pr otection)
see PRE-SAFE
®PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belts
Odome ter
see Total dis tance
Oil see Engine oil
On-board co mputer ................................. 205
Assis tance graphic menu .................... 208
Displaying the service due date ........... 323
Head-up Display menu ........................ .213
Media menu ......................................... 212
Menu designs ...................................... 214
Menu overview .................................... 205
Multifunction display .......................... .207
Na vigation sy stem menu ..................... .210
Operating ............................................ 205
Ra dio menu .......................................... 211
Service menu ...................................... 208 Te
lephone menu .................................. 212
Tr ip menu ............................................ 209
On-board diagnostics interface
see Diagno stics connection
Open-source software .............................. 32
Opening the trunk lid using your foot
HANDS-FREE ACCESS .......................... .68
Operating fluids
Ad ditives (fuel) .
................................... 397
Brake fluid ...................................... .....3 98
Coolant (engine) .................................. 399
Engine oil ............................................. 397
Fu el (gasoline) .................................... .396
No tes .................................................. 395
Re frigerant (air conditioning sy stem) ... 400
Wi ndshield washer fluid ...................... 399
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 ................................ 117, 118
Anti-gla remode (auto matic) ................. 118
Au tomatic mir rorfo lding function ........ 120
Fo lding in/out ...................................... 117
Pa rking position .................................. .119
Setting ................................................. 117
Using the memory function .................. .96
Overhead control panel Overview ................................................ 12
P
Pa int code ................................................ 393
Pa intwork (cleaning instructions) .........332
Pa nel heating
Setting ................................................... 92
Pa nic alarm ................................................ 58
Ac tivating/deactivating ......................... 58
Pa rcel net hooks ...................................... 101
Pa rental control
Setting ................................................ .244
Index 485

PRE-SAFE®(anticipatory occupant
pr otection) ................................................ .48
Fu nction ................................................ 48
PRE-SAFE
®Sound ................................. 48
Re versing the measures ........................ 49
PRE-SAFE
®PLUS (anticipa tory occu‐
pant pr otection plus) ................................ 49
Fu nction ................................................ 49
Re versing the measures ........................ 49
Pr ev entative occupant pr otection sys‐
te m
see PRE-SAFE
®(anticipatory occu‐
pant pr otection)
Pr ev ious destinations
Selecting ............................................ .255
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.......................................... 151
Ra dio
Ac tivating .............................................3 12
Ac tivating/deactivating radio text ....... 315
Callin g upthech annel list .................... 314
Del eting stations .................................. 314
Direct frequency entry ......................... 314
Displ aying information ........................ .315
Displ aying radio text ............................ 315
Editing station presets ........................ .314
Menu (on-board computer) .................. 211
Moving stations .................................. .314
Overview ..............................................3 13
Searc hingforst ations .......................... 314
Setting a station .................................. 314
Setting the frequency band .................. 314
St oring radio stations .......................... .314
Switching HD Radio on/off .................. 314
Ta gging music trac ks........................... 315
Vo ice commands (Voice Cont rol Sys‐
te m) ..................................................... 224 Ra
dio stations
Dialing (on-board computer) ................2 11
Ra nge
Displaying ............................................ 209
Re ading lamp
see Interior lighting
Re al
w
o od (care) ...................................... 338
Re ar climate control
Setting ................................................. 123
Re ar fog light ............................................ 110
Re ar view camera ....................................1 81
Assigning as a favo rite (360° Cam‐
era) ...................................................... 186
Care .................................................... 336
Fu nction ............................................... 181
Opening the camera co ver (360°
Camera) ............................................... 186
Re ar-view mir ror
see Outside mir rors
Re frigerant (air conditioning sy stem)
No tes .................................................. 400
Re fueling
Re fueling theve hicle ........................... 140
Index 487