2018 MERCEDES-BENZ S-CLASS COUPE coolant

Engine
Display messagesPossible causes/consequences and MSolutions
Check Coolant Level See
Operator's Manual *T
he coolant le vel is too lo w.
* NO
TEEngine damage duetoinsuf ficient coolant
#Av oid long journe yswith insuf ficient coolant.
#Ad d coolant .
?
Coolant Too Hot Stop Vehi-
cle Turn Engine Off *T
he coolant is too hot.
#Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions.
&
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.
#Wa it until the engine has cooled down.
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 248 °F (120 °C).
426
Display message s andwarning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
?
*Thefan mo tor is defective.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 248 °F (120 °C).
#
Stop Vehicle See Opera-
tor's Manual *T
he battery is no longer being charge d and the battery charge leve l is too lo w.
* NO
TEPossible engine damage if you continue dr iving#Do not continue dr iving under any circum stances.
#Consult a qualified specialist workshop.
#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.
#Switch off the engine.
#Consult a qualified specialist workshop.
#
Start Engine See Opera-
tor's Manual *T
he engine is off and the battery charge leve l is too lo w.
#Switch off electrical consumers that are not required.
#Leavethe engine running for a few minutes, or drive for a longer dis tance.
The battery charge s.
Display messages and warning/indicator lamps 427

Instrument Display intheWi descreen Co ck‐
pit
Prog ressive setting (Widescreen Cockpit)
Ifyo u select the progressive display setting in
ve hicles with a Widescreen Cockpit, the position
of the indicator lamps in the Instrument Display
ch anges.
Wa rning and indicator lamps:
L Low beam (
→page
109)
T Pa
rking lights (
→page 109)
K High beam
(
→page11 0)
#! Tu
rn signal light (
→page 110)
R Re
ar fog light (
→page 109)
ü Seat belt is not
fastened
(
→page 456)
$ USA: brakes (red) (
→page
449)
J Canada
: brakes (red) (
→page 449)
! ABS malfunction (
→page
449)
÷ ESP
®(→page449)
å ESP
®OFF (→page 449)
F US
A: electric pa rking brake applied
(red) (
→page 449) !
Canada: electric parking brake
applied (red) (
→page
449)
! Electric pa
rking brake (yellow)
(
→page 449)
Ð St
eering assis tance malfunction
(
→pa ge 457)
# Electrical
fault (
→page 458)
6 Re
stra int sy stem (
→page 449)
; Che
ckEngine (
→page 458)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (
→page 458)
(→page 458)
? Coolant
too hot/cold (
→page 458)
· Dis
tance warning (
→page 456)
h Ti
re pressure monitoring sy stem
(
→page 462)
44 8
Displ aymessage 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.
460
Display messages and warning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and MSolutions
Otherwise:
#Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down.
#Check the coolant le vel.
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below there d area.
Display messages and warning/indicator lamps 461

Contacts.................................................. .281
Callin g up ............................................ 282
De leting .............................................. .284
Downloading (from mobile phone) ...... 282
Impo rting ............................................ 283
Information .......................................... 281
Making a call ...................................... .283
Na me form at ...................................... .282
Options ................................................ 283
St oring ................................................ 283
Controller Operating ............................................. 231
Con venience closing feature .................... 74
Con venience opening ................................ 73
Coolant (engine) Filling capacity .................................... 399
Levelch eck ......................................... 328
No tes .................................................. 399
Copyright Licenses ................................................ 32
Trademar ks............................................ 32
Co rnering light function ..........................112
Cr oss
Traf fic Alert .
................................... 191 Crosswind Assist
Function/no tes ................................... 155
Cruise control .......................................... 160
Buttons ................................................ 161
Callin g up a speed .............................. .161
Fu nction .............................................. 160
Re quirements: ...................................... 161
Selecting .............................................. 161
Setting a speed .................................... 161
St oring a speed .................................... 161
Switching off ........................................ 161
Switching on ........................................ 161
Sy stem limitations .............................. .160
Cup holder ............................................... 103
Ins talling/ removing (center console) ... 103
Re ar passenger compartment ............ .104
Cus tomer Assi stance Center (C AC)........ .27
Cus tomer Relations Department .............27
D
Dashboa rd
see Cockpit
Dashboard lighting see Instrument lighting Data acquisition
Vehicle .................................................. 28
Data import/export Function/no tes ................................... 244
Importing/exporting ............................ 244
Data storage
Electronic control units .........................2 8
Online services ...................................... 30
Ve hicle .................................................. 28
Date Setting the time and date automati‐
cally ..................................................... 239
Daytime running lights ........................... .113
Ac tivating/deactivating .......................1 13
Daytim eru nning lights mode
see Daytime running lights
Deacti vating the alarm (A TA).................... 83
Declaration of conformity Wireless vehicle components ................2 5
Definitions (ti res and loading) ................378
Design s
Men u(on-boar dco mp uter) .................. 214
Index 47
1

Active Parking Assist and
PA RKTRONI CInoperati veSee Opera ‐
to r's Manual ........................................ 423
Ac tive Steering Assist Cur rently
Un available See Operator's Manual .....4 24
Ac tive Steering Assist Inoperative .......4 25
Ad aptive Highbeam Assist Camera
Vi ew Restricted See Ope rator's Man‐
ual ....................................................... 447
Ad aptive Highbeam Assist Cur rently
Un available See Operator's Manual ....446
Ad aptive Highbeam Assist Inopera‐
tive ...................................................... 446
App lyBrake toShift from 'P' ............... 435
ÀAT TENTION ASSIST Inoperative ...419
ÀAT TENTION ASSIS T:Take a
Break! .................................................. 419
bAu toLamp Function Inoperati ve
............................................................. 445
Au xilia ryBattery Malfunction .............. 437 Blind Spot Assist
Currently Una vaila‐
ble See Opera tor's Manual .................. 422
Blind Spot Assist Inoperative ............... 422
$ Check Brake Fluid Le vel.............. 413
Check Coolant Le vel See Operator's
Manual ................................................ 426
4Check Engine Oil AtNext Refu‐
eling .................................................... 428
hChe ckTire s ................................. 430
¥Check Washer Fluid .................... 44
2
K Convertible Top Lo wering ........... 443
K Convertible Top Operat

ion Pos‐
sible to37 mph................................... 443
?Coolant Too Hot Stop Vehicle
Tu rn Engine Off .................................... 426
Cruise Control Canceled ..................... 425
Cruise Control Inoperati ve.................. 425
!Cur rently Una vailable See Oper‐
ator's Manual ...................................... 405 ÷Cur
rently Una vailable See Oper‐
ator's Manual ...................................... 407
K Decrease Speed ........................ .442
ÂDon't Forget Your Key................ .434
Driver's Door Open & Transmission
No t in P Risk of Vehicle Rolling Away .. 435
bExample: Check Left Low Beam ............................................................. 444
_Example: Front Left Seat Back‐
re st Not Loc ked .................................. 441
Fr ont Passenger Airbag Disabled See
Operator's Manual ...............................4 18
Fr ont Passenger Airbag Enabled See
Operator's Manual ...............................4 17
8Fu el Level Low ............................ 429
8Gas Cap Loose ............................ 428
!Inoperative See Opera tor's
Manual ................................................4 04
÷Inopera tive See Operator's
Manual ...................... .......................... 406
Index47
3

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