2018 MERCEDES-BENZ S-CLASS COUPE coolant level

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

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