2015 MERCEDES-BENZ S-Class coolant level

Charging the high-voltage battery
(important safety notes) ...................209
Chauffeur mode
Display message ............................ 352
Fully reclined position .................... 131
General notes ................................ 127
Installing the head restraint ........... 129
Moving front-passenger seat into
the chauffeur position .................... 128
Moving the front-passenger seat
into the normal position ................. 130
Removing the head restraint .......... 129
Child
Restraint system .............................. 70
Child seat
Forward-facing restraint system ...... 74
LATCH-type (ISOFIX) child seat
anchors ............................................ 71
On the front-passenger sea t............ 74
Rearward-facing restraint system .... 74
Top Tether ....................................... 73
Child-proof locks
Important safety notes .................... 74
Rear doors ....................................... 75
Children
In the vehicle ................................... 69
Special seat belt retractor ............... 69
Cigarette lighter ................................ 383
Cleaning
Mirror turn signal ........................... 415
Climate control
Automatic climate control ............. 165
Controlling automaticall y............... 171
Cooling with air dehumidification .. 170
Defrosting the windows ................. 176
Defrosting the windshield .............. 175
ECO start/stop function ................ 169
General notes ................................ 164
Immediate pre-entry climate con-
trol ................................................. 183
Indicator lamp ................................ 171
Ionization ....................................... 180
Notes on using the automatic cli-
mate control .................................. 169
Overview of systems ...................... 164
Perfume atomizer .......................... 178 Pre-entry climate control at
departure time (REMOTE CLI-
MATE CONTROL) ........................... 182
Pre-entry climate control via key ... 180
Problem with the rear window
defroster ........................................ 177
Problems with cooling with air
dehumidification ............................ 171
Rear control panel ......................... 165
Refrigerant ..................................... 494
Refrigerant filling capacity ............. 495
Setting the air distribution ............. 174
Setting the air vents ...................... 184
Setting the airflow ......................... 174
Setting the climate mod e............... 173
Setting the temperature ................ 173
Switching air-recirculation mode
on/of f............................................ 177
Switching on/of f........................... 169
Switching residual heat on/off ...... 177
Switching the rear window
defroster on/of f............................ 176
Switching the synchronization
function on and off ........................ 175
Climate control system
Climate control .............................. 169
Cockpit
Overview .......................................... 34
COLLISION PREVENTION ASSIST
PLUS
Activating/deactivating ................. 309
Display message ............................ 325
Operation/note s.............................. 79
COMAND display
Cleaning ......................................... 417
Combination switch .......................... 152
Consumption statistics (on-board
computer) .......................................... 300
Convenience closing feature ............ 108
Convenience opening feature .......... 107
Coolant (engine)
Checking the level ......................... 408
Display message ............................ 336
Displaying the temperature (on-
board computer) ............................ 307
Filling capacity ............................... 493
Important safety notes .................. 493
Temperature gaug e........................ 294 Index
7

Locking (SmartKey) .......................... 91
Lowering ........................................ 470
Maintenance .................................... 26
Operating safety .............................. 27
Parking for a long period ................ 223
Pulling away ................................... 192
Raising ........................................... 467
Reporting problems ......................... 29
Securing from rolling away ............ 466
Towing away .................................. 435
Transporting .................................. 437
Unlocking (in an emergency) ........... 98
Unlocking (SmartKey) ...................... 91
Vehicle data ................................... 495
Vehicle dimensions ........................... 495
Vehicle emergency locking ................ 99
Vehicle Homepage
Data protection .............................. 219
Functions ....................................... 220
General information ....................... 219
Internet connection ....................... 220
Vehicle identification number
see VIN
Vehicle identification plate .............. 488
Vehicle level
Active Body Control ABC ............... 244
Display message ............................ 341
Vehicle maintenance
see ASSYST PLUS
Vehicle tool kit .................................. 422
Video
Operating the DVD ......................... 305
VIN ...................................................... 488 W
Warning Stickers ........................................... 46
Warning and indicator lamps
ABS ................................................ 358
Brakes ........................................... 357
Check Engine ................................. 363
Coolant .......................................... 364
Distance warning ........................... 367
ESP ®
.............................................. 360
ESP ®
OFF ....................................... 361
Fuel tank ........................................ 363
Hybrid system ................................ 366 Overview .......................................... 36
Parking brake ................................ 362
PASSENGER AIR BAG ...................... 50
RBS (Recuperative Brake Sys-
tem) ............................................... 366
Reserve fue
l................................... 363
Restraint system ............................ 362
Seat belt ........................................ 355
Steering ......................................... 369
Tire pressure monitor .................... 368
Warranty .............................................. 25
Washer fluid
Display message ............................ 353
Wheel and tire combination
see Tires
Wheel bolt tightening torque ........... 470
Wheel chock ...................................... 466
Wheels
Changing a whee l.......................... 465
Checking ........................................ 443
Cleaning ......................................... 414
Important safety notes .................. 442
Interchanging/changing ................ 465
Mounting a new whee l................... 470
Mounting a whee l.......................... 466
Removing a whee l.......................... 469
Storing ........................................... 466
Tightening torque ........................... 470
Wheel size/tire size ....................... 471
Window curtain air bag
Operation ......................................... 59
Windows
see Side windows
Windshield
Defrosting ...................................... 175
Infrared reflective .......................... 401
Windshield washer fluid
see Windshield washer system
Windshield washer system
Adding washer fluid ....................... 409
Notes ............................................. 494
Windshield wipers
Problem (malfunction) ................... 161
Replacing the wiper blades ............ 158
Switching on/of f........................... 157
Winter driving
Important safety notes .................. 444
Slippery road surfaces ................... 228 22
Index

Instrument cluster
Displays
Function Page
:
Speedometer
;
Multifunction display with
outside temperature dis-
play 296
=
Tachometer 294 Function Page
?
Coolant temperature 294
A
Fuel level and fuel filler flap
location indicator 8 Fuel filler flap location indicator
8: the fuel
filler cap is on the right-hand side.
i Information on additional displays in
PLUG-IN HYBRID vehicles can be found in
the "PLUG-IN HYBRID drive" section
(Y page 279). Instrument cluster
35At a glance

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 29). Hybrid vehicles
General notes
Hybrid technology combines a fuel efficient
internal combustion engine with a powerful
electric motor. Important safety notes
Danger of electric shock G
DANGER
The vehicle's high voltage electrical system is under high voltage. If you modify components
in the vehicle's high-voltage electrical system or touch damaged components, you may be
electrocuted. The components in the vehi-
cle's high-voltage electrical system may be
damaged in an accident, although the damage
is not visible. There is a risk of fatal injury.
Following an accident, do not touch any high- voltage components and never modify the
vehicle's high-voltage electrical system. Have
the vehicle towed away after an accident and the vehicle's high-voltage electrical system
checked by a qualified specialist workshop. When towing a vehicle after an accident, be
sure to observe the following sections:
R Transporting the vehicle (Y page 437)
R Towing the vehicle with the rear axle raised
(Y page 437)
R Towing a vehicle with both axles on the
ground (Y page 436)
Read the safety instructions on towing and
tow-starting (Y page 435). All components of the hybrid system are
marked with yellow warning stickers that
warn you of the danger of high voltage. The
cables of the vehicle's high-voltage electrical
system are orange in color.
The ignition must be switched off when car-
rying out general tasks, such as adding
washer fluid to the windshield washer system or checking the coolant level.
Automatic deactivation of the hybrid
system G
DANGER
If the restraint system is malfunctioning, indi- vidual restraint system components may be
triggered unintentionally or might not be trig-
gered at all in the event of an accident with a high rate of vehicle deceleration. This could
affect Emergency Tensioning Devices or air
bags, for example. The vehicle's high-voltage
electrical system may also not be deactivated
as intended in the event of an accident. You
could suffer an electric shock if you touch the damaged components of the vehicle's high- 46
Hybrid vehiclesSafety

Problems with the engine
Problem
Possible causes/consequences and
M
MSolutions 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 191). 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 432).
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 408). Observe the warning
notes as you do so and add coolant if necessary. 196
DrivingDriving and parking

!
A display message is shown if the coolant
temperature is too high.
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 35).
Hybrid and PLUG-IN HYBRID vehicles: the
multifunction display shows the coolant tem-
perature in the Coolant
Coolant submenu
(Y page 307).
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 296).
Changes in the outside temperature are dis-
played after a short delay. Operating the on-board computer
:
Multifunction display
; Right control panel
= 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 ò R
Calls up the main menu 9
: 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 Displays and operation
295On-board computer and displays Z

X
Press the 6button to switch to the
redial memory.
X Press the :or9 button to select the
desired name or number.
X Press the 6ora button to start dial-
ing.
or X To exit the redial memory: press the
~ or% button. Assistance graphic menu
X
Use ò on the steering wheel to call up
the list of menus.
X Press the :or9 button on the steer-
ing wheel to select the Assistance
AssistanceInfo
Info
Display
Display menu.
X Confirm by pressing aon the steering
wheel.
The multifunction display shows the
DISTRONIC PLUS distance display in the
assistance graphic.
X Press :to display the ATTEN-
TION ASSIST assessment.
The assistance graphic displays the status of and information from the following driving
systems or driving safety systems:
R DISTRONIC PLUS (Y page 237)
R Spotlight function of Night View Assist Plus
(Y page 312)
R Distance warning and the autonomous
braking function COLLISION PREVENTION
ASSIST PLUS (Y page 79)
R PRE-SAFE ®
Brake (Y page 84) R
Active Blind Spot Assist (Y page 270)
R ATTENTION ASSIST (Y page 264)
R Active Lane Keeping Assist (Y page 273) Maintenance menu
Introduction In the
Service Service menu, you have the following
options:
R Calling up display messages in message
memory (Y page 316)
R Restarting the tire pressure loss warning
system (Y page 452)
R Checking the tire pressure electronically
(Y page 449)
R Calling up the service due date
(Y page 410).
R Displaying the coolant temperature (hybrid
or PLUG-IN HYBRID vehicles)
(Y page 307)
R Checking the engine oil level using the on-
board computer (Y page 407) (S 600, S
600 MAYBACH and S 65 AMG only)
Displaying the coolant temperature The
Coolant Coolant submenu is only present on
hybrid or plug-in hybrid vehicles.
X Use ò on the steering wheel to call up
the list of menus.
X Press the :or9 button on the steer-
ing wheel to select the Service Servicemenu.
X Confirm by pressing aon the steering
wheel. Menus and submenus
307On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions 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
M MSolutions +
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 408).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist work-
shop. ? ? 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. 336
Display
messagesOn-board computer and displays