2015 MERCEDES-BENZ S-Class COUPE engine coolant

General notes ................................ 132
Indicator lamp ................................ 135
Ionization ...................................... .142
Notes on using the automatic cli-
mate control .................................. 133
Overview of systems ..................... .132
Perfume atomizer .......................... 140
Problem with the rear window
defroster ........................................ 139
Problems with cooling with air
dehumidification ............................ 135
Refrigerant ..................................... 396
Refrigerant filling capacity ............. 396
Setting the air distribution ............. 136
Setting the air vents ..................... .142
Setting the airflow ......................... 137
Setting the climate mode .............. .136
Setting the temperature ................ 136
Switching air-recirculation mode
on/off ............................................ 139
Switching on/off ........................... 134
Switching residual heat on/off ...... 139
Switching the rear window
defroster on/off ............................ 138
Switching the synchronization
function on and off ........................ 137
Climate control system
Automatic engine start .................. 152
Automatic engine switch-off .......... 151
Climate control .............................. 134
Deactivating/activating ................. 152
Important safety notes .................. 151
Introduction ................................... 151
Cockpit
Overview .......................................... 30
COLLISION PREVENTION ASSIST
PLUS
Activating/deactivating ................. 240
Display message ............................ 255
Operation/notes .............................. 68
COMAND display
Cleaning ......................................... 331
Combination switch .......................... 122
Consumption statistics (on-board
computer) .......................................... 232
Convenience closing feature .............. 95
Convenience opening feature ............ 95Coolant (engine)
Checking the level ......................... 322
Display message ............................ 263
Filling capacity ............................... 395
Important safety notes .................. 395
Temperature gauge ........................ 226
Warning lamp ................................. 287
Coolbox .............................................. 302
Cooling
see Climate control
Copyright ............................................. 28
Cornering light function
Display message ............................ 260
Function/notes ............................ .123
Crash-responsive emergency light-
ing ....................................................... 126
Crosswind Assist (vehicles with
MAGIC BODY CONTROL) ................... 190
Crosswind Assist (vehicles with-
out MAGIC BODY CONTROL) ...............72
Cruise control
Cruise control leve r .......................176
Deactivating ................................... 177
Display message ............................ 272
Driving system ............................... 175
Function/notes ............................ .175
Important safety notes .................. 175
Setting a speed .............................. 177
Storing and maintaining current
speed ............................................. 176
Cup holder
Center console .............................. 298
Important safety notes .................. 298
Rear compartment ......................... 299
Customer Assistance Center
(CAC) ..................................................... 26
Customer Relations Department ....... 26 D
Data see Technical data
Daytime running lamps
Display message ............................ 262
Function/notes ............................ .120
Switching on/off (on-board com-
puter) ............................................. 243
Declarations of conformity ................. 25 Index
7

Roof load (maximum)
........................ 397S
Safety Occupant Classification System
(OCS) ............................................... 51
see Operating safety
Safety system
see Driving safety systems
Seat belts
Adjusting the driver's and front-
passenger seat bel t......................... 47
Cleaning ......................................... 333
Correct usage .................................. 45
Fastening ......................................... 46
Important safety guidelines ............. 44
Introduction ..................................... 44
Releasing ......................................... 47
Warning lamp ................................. 279
Warning lamp (function) ................... 48
Seating
Seating comfort packag e............... 107
Seating comfort package ................. 107
Seats
Active multicontour seat ................ 107
Adjusting (electrically) ................... 104
Adjusting the 4-way lumbar sup-
port ................................................ 107
Adjusting the head restraint .......... 105
Cleaning the cover ......................... 332
Correct driver's seat position ........ 102
EASY-ENTRY/EXIT system ............. 112
Folding the backrests forward/
back ............................................... 106
Important safety notes .................. 103
Seat backrest display message ..... 276
Seat heating .................................. 107
Seat heating problem .................... 109
Seat ventilation .............................. 109
Seat ventilation problem ................ 110
Storing settings (memory func-
tion) ............................................... 117
Switching seat heating on/of f....... 107
Switching seat ventilation on/of f.. 109
Section
Wheels and tires ............................ 356 Selector lever
Cleaning ......................................... 332
see Automatic transmission
Sensors (cleaning instructions) ....... 329
Service menu (on-board com-
puter) .................................................. 239
Service products
Brake fluid ..................................... 394
Coolant (engine) ............................ 395
Engine oil ....................................... 393
Fuel ................................................ 392
Important safety notes .................. 391
Refrigerant (air-conditioning sys-
tem) ............................................... 396
Washer fluid ................................... 396
Settings
Factory (on-board computer) ......... 244
On-board compute r....................... 239
SETUP (on-board computer) ............. 245
Side impact air bag ............................. 50
Side marker lamp (display mes-
sage) ................................................... 262
Side windows
Cleaning ......................................... 329
Convenience closing feature ............ 95
Convenience opening feature .......... 95
Important safety information ........... 93
Opening/closing .............................. 94
Problem (malfunction) ..................... 97
Resetting ......................................... 96
SmartKey
Changing the battery ....................... 82
Changing the programming ............. 80
Checking the battery ....................... 82
Convenience closing feature ............ 95
Convenience opening feature .......... 95
Display message ............................ 277
Door central locking/unlocking ....... 79
Important safety notes .................... 78
KEYLESS-GO start function .............. 80
Loss ................................................. 83
Mechanical key ................................ 81
Overview .......................................... 78
Positions (ignition lock) ................. 147
Problem (malfunction) ..................... 83
Starting the engine ........................ 150
Snow chains ...................................... 35916
Index

Vehicle data ................................... 397
Telephone
Accepting a call (multifunction
steering wheel) .............................. 238
Display message ............................ 277
Introduction ................................... 237
Menu (on-board computer) ............ 237
Number from the phone book ........ 238
Redialing ........................................ 238
Rejecting/ending a call .................2 38
Temperature
Coolant .......................................... 226
Engine oil (on-board computer) ...... 245
Outside temperature ..................... .227
Setting (climate control) ................ 136
Tire pressure
Calling up (on-board computer) ..... 363
Checking manually ........................ 362
Display message ............................ 273
Important safety notes .................. 363
Maximum ....................................... 362
Not reached (TIREFIT) .................... 339
Notes ............................................. 361
Reached (TIREFIT) .......................... 340
Recommended ............................... 359
Tire pressure monitor
Checking the tire pressure elec-
tronically ........................................ 364
Function/notes ............................ .363
General notes ................................ 363
Important safety notes .................. 363
Radio type approval for the tire
pressure monitor ........................... 366
Restarting ...................................... 365
Warning lamp ................................. 290
Warning message .......................... 365
TIREFIT kit .......................................... 338
Tires
Aspect ratio (definition) ................. 376
Average weight of the vehicle
occupants (definition) .................... 375
Bar (definition) ............................... 375
Changing a wheel .......................... 377
Characteristics .............................. 375
Checking ........................................ 357
Curb weight (definition) ................. 376
Definition of terms ......................... 375
Direction of rotatio n...................... 378 Display message ............................ 273
Distribution of the vehicle occu-
pants (definition) ............................ 377
DOT (Department of Transporta-
tion) (definition) ............................. 375
DOT, Tire Identification Number
(TIN) ............................................... 374
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 375
GVW (Gross Vehicle Weight) (def-
inition) ........................................... 376
GVWR (Gross Vehicle Weight Rat-
ing) (definition) .............................. 376
Important safety notes .................. 356
Increased vehicle weight due to
optional equipment (definition) ...... 375
Kilopascal (kPa) (definition) ........... 376
Labeling (overview) ........................ 371
Load bearing index (definition) ...... 377
Load index ..................................... 374
Load index (definition) ................... 376
Maximum load on a tire (defini-
tion) ............................................... 376
Maximum loaded vehicle weight
(definition) ..................................... 376
Maximum permissible tire pres-
sure (definition) ............................. 376
Maximum tire load ......................... 374
Maximum tire load (definition) ....... 376
MOExtended tire s.......................... 358
Optional equipment weight (defi-
nition) ............................................ 377
PSI (pounds per square inch) (def-
inition) ........................................... 376
Replacing ....................................... 377
Service life ..................................... 358
Sidewall (definition) ....................... 377
Speed rating (definition) ................ 376
Storing ........................................... 378
Structure and characteristics
(definition) ..................................... 375
Summer tires in winter .................. 358
Temperature .................................. 371
TIN (Tire Identification Number)
(definition) ..................................... 377
Tire bead (definition) ...................... 377
Tire pressure (definition) ................ 376
Tire pressures (recommended) ...... 375 18
Index

Unlocking (in an emergency) ........... 86
Unlocking (SmartKey) ......................79
Vehicle data ................................... 397
Vehicle dimensions ........................... 397
Vehicle emergency locking ................ 87
Vehicle identification number
see VIN
Vehicle identification plate .............. 390
Vehicle level
Active Body Control ABC ............... 190
Display message ............................ 267
Vehicle maintenance
see ASSYST PLUS
Vehicle tool kit .................................. 336
Video
Operating the DVD .........................2 37
VIN ...................................................... 390 W
Warning and indicator lamps ABS ................................................ 281
Brakes .......................................... .280
Check Engine ................................. 286
Coolant .......................................... 287
Distance warning ........................... 289
ESP ®
.............................................. 283
ESP ®
OFF ....................................... 284
Fuel tank ........................................ 286
Overview .......................................... 32
Parking brake ................................ 285
PASSENGER AIR BAG ..................... .43
Reserve fuel .................................. .286
Restraint system ............................ 285
Seat belt ........................................ 279
Steering ......................................... 291
Tire pressure monitor .................... 290
Warranty .............................................. 22
Washer fluid
Display message ............................ 277
Wheel and tire combination
see Tires
Wheel bolt tightening torque ........... 382
Wheel chock ...................................... 378
Wheels
Changing a wheel .......................... 377
Checking ........................................ 357
Cleaning ......................................... 328 Important safety notes .................. 356
Interchanging/changing ................ 377
Mounting a new wheel ................... 381
Mounting a wheel .......................... 378
Removing a wheel .......................... 381
Storing .......................................... .378
Tightening torque ........................... 382
Wheel size/tire size ....................... 382
Window curtain air bag
Operation ......................................... 51
Windows
see Side windows
Windshield
Defrosting ...................................... 137
Infrared reflective .......................... 315
Windshield washer fluid
see Windshield washer system
Windshield washer system
Adding washer fluid ....................... 323
Notes ............................................. 396
Windshield wipers
Problem (malfunction) ................... 129
Replacing the wiper blades ............ 127
Switching on/off ........................... 126
Winter driving
Important safety notes .................. 358
Slippery road surfaces ................... 174
Snow chains .................................. 359
Winter operation
Summer tires ................................. 358
Winter tires
M+S tires ....................................... 358
Wiper blades
Cleaning ......................................... 329
Important safety notes .................. 127
Replacing ....................................... 127
Wooden trim (cleaning instruc-
tions) ................................................. .332
Workshop
see Qualified specialist workshop 20
Index

Problems with the engine
Problem
Possible causes/consequences and
0050
0050Solutions The engine does not
start. The starter motor
can be heard. R
There is a malfunction in the engine electronics.
R There is a malfunction in the fuel supply.
X Before attempting to start the engine again, turn the SmartKey
in the ignition back to position 0or press the Start/Stop button
repeatedly until all indicator lamps in the instrument cluster go out.
X Try to start the engine again (Y page 149). Avoid excessively
long and frequent attempts to start the engine as these will drain
the battery.
If the engine does not start after several attempts:
X Consult a qualified specialist workshop. The engine does not
start. You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak or
discharged.
X Jump-start the vehicle (Y page 345).
If the engine does not start despite attempts to jump-start it:
X Consult a qualified specialist workshop. The starter motor was exposed to a thermal load that was too high.
X Try to start the engine again.
If the engine still does not start:
X Consult a qualified specialist workshop. The engine is not run-
ning smoothly and is
misfiring. There is a malfunction in the engine electronics or in a mechanical
component of the engine management system.
X Only depress the accelerator pedal slightly.
Otherwise, non-combusted fuel may get into the catalytic con-
verter and damage it.
X Have the cause rectified immediately at a qualified specialist
workshop. The coolant tempera-
ture gage shows a value
above 248 ‡ (120 †). The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 322). Observe the warning
notes as you do so and add coolant if necessary. 154
DrivingDriving and parking

Useful information
i This Operator's Manual describes all
models and all standard and optional equip- ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please note that your vehicle may not be
equipped with all features described. This
also applies to safety-related systems and
functions.
i Read the information on qualified special-
ist workshops (Y page 25). Important safety notes
G
WARNING
If you operate information systems and com-
munication equipment integrated in the vehi- cle while driving, you will be distracted from
traffic conditions. You could also lose control of the vehicle. There is a risk of an accident.
Only operate the equipment when the traffic
situation permits. If you are not sure that this
is possible, park the vehicle paying attention
to traffic conditions and operate the equip-
ment when the vehicle is stationary.
You must observe the legal requirements for
the country in which you are currently driving when operating the on-board computer. G
WARNING
If the instrument cluster has failed or mal-
functioned, you may not recognize function
restrictions in systems relevant to safety. The operating safety of your vehicle may be
impaired. There is a risk of an accident.
Pull over as soon as it is safe to do so and
consult a qualified specialist workshop. G
WARNING
If the instrument cluster has failed or mal-
functioned, you may not recognize function
restrictions in systems relevant to safety. The operating safety of your vehicle may be
impaired. There is a risk of an accident.
Drive on carefully. Have the vehicle checked
at a qualified specialist workshop immedi-
ately.
If the operating safety of your vehicle is
impaired, pull over as soon as it is safe to do
so. Contact a qualified specialist workshop.
The on-board computer only shows messages
or warnings from certain systems in the mul- tifunction display. You should therefore make
sure your vehicle is operating safely at all
times.
For an overview, see the instrument panel
illustration (Y page 31). Displays and operation
Tachometer
! Do not drive in the overrevving range, as
this could damage the engine.
The red band in the tachometer indicates the
engine's overrevving range.
The fuel supply is interrupted to protect the
engine when the red band is reached. Coolant temperature display
G
WARNING
Opening the hood when the engine is over-
heated or when there is a fire in the engine
compartment could expose you to hot gases
or other service products. There is a risk of
injury.
Let an overheated engine cool down before
opening the hood. If there is a fire in the
engine compartment, keep the hood closed
and contact the fire department.
! A display message is shown if the coolant
temperature is too high. 226
Displays and operationOn-board computer and displays

If the coolant temperature is above 257 ‡
(125 †) do not drive any further. The
engine will otherwise be damaged.
The coolant temperature is displayed in the
lower section of the tachometer (Y page 31).
Under normal operating conditions and with
the specified coolant level, the coolant tem-
perature may rise to 255 ‡ (124 †). Outside temperature display
You should pay special attention to road con-
ditions when temperatures are around freez-
ing point.
Bear in mind that the outside temperature
display indicates the temperature measured
and does not record the road temperature.
The outside temperature display is in the mul- tifunction display (Y page 228).
Changes in the outside temperature are dis-
played after a short delay. Operating the on-board computer
0043
Multifunction display
0044 Right control panel
0087 Left control panel X
To activate the on-board computer: turn
the SmartKey to position 1in the ignition
lock.
You can control the multifunction display and
the settings in the on-board computer using
the buttons on the multifunction steering
wheel.
Left control panel 00E2 R
Calls up the main menu 0063
0064 Press briefly:
R Scrolls in lists
R Selects a menu or function
R In the Radio Radio/ Media
Mediamenu:
opens the track or station list
and selects an audio track or
video scene
R In the Telephone Telephone menu:
switches to the phone book and
selects a name or a telephone
number 0063
0064 Press and hold:
R Rapid scrolling in all lists
R In the Radio Radio/Media Mediamenu:
selects a station, audio track or
video scene using rapid scrolling
R In the Telephone Telephone menu: starts
rapid scrolling if the phone book is open 0076 R
In all menus: confirms the selec-
ted entry in the list
R In the Radio
Radio/ Media
Mediamenu:
opens the list of available radio
sources/media
R In the Telephone Telephone menu:
switches to the phone book and
starts dialing the selected num-
ber 00E1
Switches off the Voice Control Sys-
tem; see the separate operating
instructions Displays and operation
227On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions Adaptive Highbeam
Adaptive Highbeam
Assist Assist
Plus
PlusInoper‐
Inoper‐
ative
ative Adaptive Highbeam Assist Plus is faulty.
X Visit a qualified specialist workshop. Adaptive Highbeam
Adaptive Highbeam
Assist Plus Cur‐ Assist Plus Cur‐
rently rently
Unavailable
Unavailable
See
See Operator's
Operator's Man‐
Man‐
ual
ual Adaptive Highbeam Assist Plus is deactivated and temporarily
inoperative. Possible causes are:
R the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
X Clean the windshield.
If the system detects that the camera is fully operational, display
message Adaptive
Adaptive Highbeam HighbeamAssist
AssistPlus
PlusAvailable
Available Again
Again
is displayed.
Adaptive Highbeam Assist Plus is operational again. Engine
Display messages
Possible causes/consequences and
0050 0050Solutions 00BD
Check Coolant Check Coolant
Level See Opera‐ Level See Opera‐
tor's Manual tor's Manual The coolant level is too low.
! Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Add coolant, observing the warning notes before doing so
(Y page 322).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop. 00AC 00AC The fan motor is faulty.
X At coolant temperatures below 257 ‡ (125 †), drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic. Display
messages
263On-board computer and displays Z