cooling MERCEDES-BENZ S-Class MAYBACH 2017 W222 Owner's Manual

1, 2, 3 ...
4ETS (Electronic Traction System)see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent four-wheel
drive) .................................................. 183
12 V socket
see Sockets
115 V socket ...................................... 297
360° camera
Cleaning ........................................ .323
Function/notes .............................1 94
A
ABS (Anti-lock Braking System)
Display message ............................ 228
Function/notes ................................ 66
Warning lamp ................................. 261
Accident
Automatic measures after an acci-
dent ................................................. 58
Activating media mode
General notes ................................ 278
Activating/deactivating cooling
with air dehumidification ................. 135
Activating/deactivating Night
View Assist Plus
With spotlight function ................... 202
Active Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 223
Display message ............................ 247
Function/information .................... 204
Active Body Control (ABC)
Display message ............................ 246
Function/notes ............................. 180
Active Lane Keeping Assist
Activating/deactivating (on-
board computer) ............................ 223
Display message ............................ 246
Function/information .................... 206
Active multicontour seat .................. 112
Active Parking Assist
Detecting parking spaces .............. 187
Display message ............................ 247
Exiting a parking space .................. 189 Function/notes ............................. 186
Important safety notes .................. 186
Parking .......................................... 188
ADAPTIVE BRAKE ................................. 73
Adaptive Brake Assist
Function/notes ................................ 70
Adaptive Damping System (ADS) ..... 182
Adaptive Highbeam Assist Plus
Display message ............................ 241
Function/notes ............................. 126
Switching on/off ........................... 127
Additional speedometer ................... 225
Additives (engine oil) ........................ 374
Address book
see also Digital Operator's Man-
ual .................................................. 269
Adjusting the volume
Multimedia system ........................ 270
Air bags
Belt bags .......................................... 46
Cushion air bags .............................. 50
Deployment ..................................... 55
Display message ............................ 239
Front air b
ag (driver, front
passenger) ....................................... 49
Important safety notes .................... 48
Introduction ..................................... 48
Knee bag .......................................... 49
Occupant Classification System
(OCS) ............................................... 51
PASSENGER AIR BAG indicator
lamps ............................................... 43
Side impact air bag .......................... 50
Window curtain air bag .................... 50
Air vents
Glove box ....................................... 143
Important safety notes .................. 143
Rear ............................................... 143
Setting ........................................... 143
Setting the center air vents ........... 143
Setting the side air vents ............... 143
Air-conditioning system
see Climate control
AIRMATIC
Display message ............................ 245
Function/notes ............................. 182
Alarm
ATA (Anti-Theft Alarm system) ......... 76
4Index

Wooden trim ..................................325
CD
see also Digital Operator's Man-
ual ..................................................2 69
CD player (on-board computer) ........218
Center console
Overview .......................................... 38
Stowage space .............................. 282
Center console in the rear com-
partment
Stowage compartment .................. 283
Central locking
Locking/unlocking (SmartKey) ........7 7
Changing the media source .............218
Chauffeur mode
Display message ............................ 256
Fully reclined position .................... 109
General notes ................................ 106
Installing the head restraint ........... 108
Moving front-passenger seat into
the chauffeur position .................... 106
Moving the front-passenger seat
into the normal position ................. 108
Removing the head restraint .......... 108
Child
Restraint system .............................. 60
Child seat
Forward-facing restraint system ...... 63
LATCH-type (ISOFIX) child seat
anchors ............................................ 61
On the front-passenger seat ............ 63
Rearward-facing restraint system .... 63
Top Tether ....................................... 62
Child-proof locks
Important safety notes .................... 64
Rear doors ....................................... 65
Children
Special seat belt retractor ............... 59
Cigarette lighter ................................ 294
Cleaning
Mirror turn signal ........................... 323
Climate control
Adjusting the footwell tempera-
ture (multimedia system) ............... 275
Automatic climate control ............. 133
Controlling automatically ............... 136
Cooling with air dehumidification .. 135 Cooling with air dehumidification
(multimedia system) ...................... 275
Defrosting the window
s ................. 139
De

frosting the windshield .............. 139
ECO start/stop function ................ 134
General notes ................................ 132
Indicator lamp ................................ 136
Ionization ....................................... 142
Ionization (multimedia system) ...... 274
Notes on using the automatic cli-
mate control .................................. 134
Overview ........................................ 273
Overview of systems ...................... 132
Perfume atomizer .......................... 141
Perfume atomizer (multimedia
system) .......................................... 274
Pre-entry climate control (via key)
(multimedia system) ...................... 274
Pre-entry climate control at
departure time (multimedia sys-
tem) ............................................... 275
Problem with the rear window
defroster ........................................ 140
Problems with cooling with air
dehumidification ............................ 136
Rear control panel ......................... 133
Refrigerant ..................................... 375
Refrigerant filling capacity ............. 376
Setting the air distribution ............. 138
Setting the air vents ...................... 143
Setting the airflow ......................... 138
Setting the climate mode ............... 137
Setting the climate mode (multi-
media system) ............................... 274
Setting the temperature ................ 137
Switching air-recirculation mode
on/off ............................................ 140
Switching on/off ........................... 135
Switching residual heat on/off ...... 140
Switching the rear window
defroster on/off ............................ 139
Switching the synchronization
function on and off ........................ 138
Synchronization function (multi-
media system) ............................... 275
Climate control settings
Multimedia system ........................ 273
Index7

Climate control systemClimate control .............................. 135
Cockpit
Overview .......................................... 34
COLLISION PREVENTION ASSIST
PLUS
Activating/deactivating ................ .222
Display message ............................ 233
Operation/notes .............................. 68
COMAND display
Cleaning ......................................... 324
Combination switch .......................... 125
Connecting a USB device
see also Digital Operator's Man-
ual ..................................................2 69
Consumption statistics (on-board
computer) .......................................... 215
Controller ...........................................2 70
Convenience box ............................... 287
Convenience closing feature .............. 92
Convenience opening feature ............ 92
Coolant (engine)
Checking the level ......................... 316
Display message ............................ 242
Filling capacity ............................... 375
Important safety notes .................. 374
Temperature gauge ........................ 211
Warning lamp ................................. 264
Coolbox .............................................. 299
Cooling
see Climate control
Copyright ............................................. 33
Cornering light function
Display message ............................ 241
Function/notes .............................1 26
Crosswind Assist ........................... 72, 73
Crosswind Assist (vehicles with
MAGIC BODY CONTROL) ................... 180
Crosswind Assist (vehicles with-
out MAGIC BODY CONTROL) ........72, 73
Cruise con trol
Calling up the speed last stored .... 170
Cruise control lever ....................... 170
Deacti
vating ................................... 170
Display message ............................ 250
Driving system ............................... 169
Function/notes ............................. 169 General notes ................................ 169
Important safety notes .................. 169
Setting a speed .............................. 170
Storing and maintaining current
speed ............................................. 170
Cup holder
Center console .............................. 290
Important safety notes .................. 290
Rear compartment ......................... 291
Temperature controlled ................. 292
Cushion air bags .................................. 50
Customer Assistance Center
(CAC) ..................................................... 30
Customer Relations Department ....... 30
D
Data
see Technical data
Data carrier
Selecting ........................................ 218
Daytime running lamps
Display message ............................ 241
Function/notes ............................. 124
Switching on/off (on-board com-
puter) ............................................. 225
Declarations of conformity ................. 29
Diagnostics connection ...................... 30
Digital Operator's Manual
Help ................................................. 25
Introduction ..................................... 25
Digital speedometer ......................... 215
DIRECT SELECT lever
Automatic transmission ................. 152
Display
see Display messages
see Warning and indicator lamps
Display messages
ASSYST PLUS ................................ 318
Calling up (on-board computer) ..... 227
Driving systems ............................. 245
Engine ............................................ 242
General notes ................................ 227
Hiding (on-board computer) ........... 227
Introduction ................................... 227
Lights ............................................. 241
Safety systems .............................. 228
SmartKey ....................................... 257
8Index

Overview of climate control systems
General notes
Observe the settings recommended on the fol-
lowing pages. The windows could otherwise fog
up.
To prevent the windows from fogging up:
Rswitch off climate control only briefly
Rswitch on air-recirculation mode only briefly
Rswitch on the cooling with air dehumidifica-
tion function
Rswitch on the defrost windshield function
briefly, if required
Climate control regulates the temperature and
air humidity in the vehicle interior. The air filter
cleans the air, thus improving the interior cli-
mate.
The "Cooling with air dehumidification" function
is available only when the engine is running.
Optimum climate control is only achieved with
the side windows and roof closed.
If you start the engine using your smartphone,
the last selected climate control setting is reac-
tivated (
Ypage 147).
The residual heat function can only be activated
or deactivated with the ignition switched off
(
Ypage 140).
To enable the air conditioning, pollutant moni-
toring and air filtering systems to function cor-
rectly, an interior filter must be used at all times. Ensure that the filter is properly installed and
that the filter housing in the engine compart-
ment is correctly and tightly sealed by the cover at all times during operation. Use filters that
have been recommended and approved by
Mercedes-Benz. Always have service work car-
ried out at a qualified specialist workshop.
The integrated filter filters out most particles of
dust and soot and completely filters out pollen.
It also reduces gaseous pollutants and odors. A
clogged filter reduces the amount of air suppliedto the vehicle interior. For this reason, you
should always observe the interval for replacing
the filter, which is specified in the Maintenance
Booklet. As it depends on environmental condi- tions, e.g. heavy air pollution, the interval may
be shorter than stated in the Maintenance Book-
let.
iVentilate the vehicle for a brief period during
warm weather, e.g. using the convenience
opening feature (
Ypage 92). This will speed
up the cooling process and the desired inte-
rior t
emperature will be reached more
quickly.
iIt is possible that the blower may be activa-
ted automatically 60 minutes after the Smart-
Key has been removed depending on various
factors, e.g. the outside temperature. In vehi-
cles with the KEYLESS-GO or KEYLESS-GO
start function, the blower can switch on auto-
matically after the engine has been switched
off and the door opened. The vehicle is then
ventilated for 30 minutes to dry the automatic
climate control.
iHybrid vehicles: observe the notes on cli-
mate control in the separate Operator's Man-
ual.
132Overview of climate control systems
Climate control

Canada only
Front control panel
:Sets climate control to automatic, left (Ypage 136)
;Sets the temperature, left (Ypage 137)
=Sets the airflow, left (Ypage 138)
?Activates/deactivates air-recirculation mode (Ypage 140)
ADefrosts the windshield (Ypage 139)
BCalls up the climate control menu of the multimedia system (Ypage 274)
CSwitches the rear window defroster on/off (Ypage 139)
DSwitches cooling with air dehumidification on/off (Ypage 135)
Switches the residual heat on or off (
Ypage 140)
ESets the airflow, right (Ypage 138)
FSets the temperature, right (Ypage 137)
GSets climate control to automatic, right (Ypage 136)
Rear control panel (vehicles with rear-compartment climate control)
HSets the temperature, left (Ypage 137)
ISets the air distribution, left (Ypage 138)
JSets climate control to automatic (Ypage 136)
KSets the airflow (Ypage 138)
LSwitches the climate control on/off (Ypage 135)
Switches the residual heat on/off (
Ypage 140)
MSets the air distribution, right (Ypage 138)
NSets the temperature, right (Ypage 137)
Optimum use of automatic climate
control
Climate control system
Below, you can find a number of notes and rec-
ommendations to help you use climate control
optimally.
RActivate climate control using the Ã
rocker switch. The indicator lamp in the Ã
rocker switch lights up. The "Cooling with air
dehumidification" function is activated in
automatic mode.
RSet the temperature to 72 ‡ (22 †).
ROnly use the "Windshield defrosting" function
briefly until the windshield is clear again.
134Overview of climate control systems
Climate control

ROnly use air-recirculation mode briefly, e.g. if
there are unpleasant outside odors or when in
a tunnel. The windows could otherwise fog up,
since no fresh air is drawn into the vehicle in
air-recirculation mode.
RUse the residual heat function if you want to
heat or ventilate the vehicle interior when the
ignition is switched off. The residual heat
function can only be activated or deactivated
with the ignition switched off. The residual
heat function is switched off when the ignitionis switched on.
If you are controlling the rear-compartment cli-
mate control using the front control panel, note
the following:
RThe Y symbol appears in the rear-com-
partment display.
ROperation from the rear control panel is not
possible. After completing the settings for the
rear-compartment climate control using the
front control panel, wait five seconds. You will then be able to control the rear climate con-
trol using the rear control panel.
RAfter selecting the rear compartment set-
tings, the front climate control can be con-
trolled automatically again via the multimedia
system after five seconds.
Alternatively, you can select "Cancel rear
compartment" in the air-conditioning function
bar of the multimedia system.
ECO start/stop function
During automatic engine switch-off, the climate
control system only operates at a reduced capa-
city. If you require the full climate control output,
you can switch off the ECO start/stop function
by pressing the ECO button (
Ypage 150).
Operating the climate control sys-
tems
Activating/deactivating climate con-
trol
General notes
When the climate control is switched off, the air
supply and air circulation are also switched off.
The windows could fog up. Therefore, switch off
climate control only briefly Switch on climate control primarily using the
Ã
rocker switch (
Ypage 136).
Activating/deactivating front climate
control using the front control panel
XTurn the SmartKey to position 2in the ignition
lock (Ypage 145).
XTo switch on: set the airflow to level 1 or
higher using the Krocker switch.
XTo switch off: set the airflow to level 0 using
the K rocker switch.
Activating/deactivating rear-compart-
ment climate control using the rear con-
trol panel
XTurn the SmartKey to position 2in the ignition
lock (Ypage 145).
XTo activate: press rocker switch Lup or
down (Ypage 133).
The indicator lamp in rocker switch Lgoes
out. All settings are displayed in full in the
rear-compartment display.
XTo deactivate: press rocker switch Lup or
down (Ypage 133).
The indicator lamp in rocker switch Llights
up. OFF is displayed in the rear-compartment
display.
Switching cooling with air dehumidi-
fication on/off
General notes
If you deactivate the "Cooling with air-dehumid-
ification" function, the air inside the vehicle will
not be cooled. The air inside the vehicle will also
not be dehumidified. The windows can fog up
more quickly. Therefore, only deactivate the
"Cooling with air-dehumidification" function
briefly.
The "Cooling with air dehumidification" function is only available when the engine is running. The
air inside the vehicle is cooled and dehumidified
according to the temperature selected.
Condensation may drip from the underside of
the vehicle when it is in cooling mode. This is
normal and not a sign that there is a malfunc-
tion.
Operating the climate control systems135
Climate control

Activating/deactivating
XTo activate:press theÁ rockerswitch up
or down .
The indicator lamp abov eth erocke rswitch
lights up.
XTo deactivate: press theÁ rockerswitch
up or down .
The indicator lamp abov eth erocke rswitch
goe sout .
Problems with the "Cooling with air dehumidification" function
ProblemPossible causes/consequences and MSolutions
The indicator lamp in the
Á buttonflashes
three times or remain s
off .Cooling wit hair
dehumidification can
also no longer be activa-
te dusin gth emultimedia
system; see th eDigital
Operator' sManual.Cooling wit hair dehumidification has been deactivated due to amal-
function .
XVisitaqualified specialis tworkshop .
Setting climate control to automatic
Gene ral notes
In automatic mode, th eset temperature is main -
taine dautomatically at aconstan tlevel. The
system automatically regulates th etemperature
of th edispensed air, th eairflow and th eair dis-
tribution .
During automatic controlling, th e"Cooling wit h
air dehumidification "function is activated.
Control ling front climate control auto-
ma tically using the front control panel
XTurn theSmartKey to position 2in th eignition
loc k (Ypage 145).
XSetth edesired temperature usin gth ew
rocke rswitch on th efron tcontrol unit.
XTo activate: press theà rockerswitch up
or down .
The indicator lamp in th eà rockerswitch
lights up.
XTo switch to manua loperation: press the
K rockerswitch up or down .
The indicator lamp in th eà rockerswitch
goe sout . In automatic mode, if you adjust th
eairflow or
air distribution manually, th eindicator lamp on
th eà rockerswitch goe sout .The function
whic hhas no tbeen changed manually, however ,
continues to be controlled automatically. When
th emanually set function switches bac kto auto -
matic mode, th eindicator lamp on th eÃ
rocke rswitch lights up again .
Controlling rear climate control auto-
ma tically using the rear control panel
XTurn theSmartKey to position 2in th eignition
loc k (Ypage 145).
XSetth edesired temperature usin grocke r
switches Hand N(Ypage 133).
XTo activate: press rockerswitch Jup or
down (Ypage 133).
The indicator lamp in rocke rswitch Jlights
up.
XTo deactivate: press rockerswitch Jup or
down (Ypage 133).
The indicator lamp in rocke rswitch Jgoes
out .
If you adjust th eairflow or air distribution man -
ually when in automatic mode, th eAUT Odisplay
in th erear-compartmen tdisplay goe sout .The
136Operating the climate control systems
Climate control

Problems with the rear window defroster
ProblemPossible causes/consequences andMSolutions
The rear window
defroster has deactiva-
ted prematurely or can-
not be activated.The battery has not been sufficiently charged.
XSwitch off any consumers that are not required, e.g. reading lamps,
interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window defroster
can be activated again.
Switching air-recirculation mode
on/off
General notes
You can also temporarily deactivate the flow of
fresh air manually if unpleasant odors are enter-
ing the vehicle from outside. The air already
inside the vehicle will then be recirculated.
If you switch on air-recirculation mode, the win-
dows can fog up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows from fog-
ging up.
Activating/deactivating
XTurn the SmartKey to position 2in the ignition
lock (Ypage 145).
XTo activate: press thegrocker switch up
or down.
The indicator lamp in the grocker switch
lights up.
Air-recirculation mode switches on automati-
cally:
Rat high outside temperatures
Rat high levels of pollution
Rin a tunnel
The indicator lamp in the grocker switch is
not lit when automatic air-recirculation mode is
activated. Outside air is added after about
30 minutes.
XTo deactivate: press thegrocker switch
up or down.
The indicator lamp in the grocker switch
goes out. Air-recirculation mode deactivates automati-
cally:
Rafter approximately five minutes at outside
temperatures below approximately 41 ‡
(5 †)
Rafter approximately five minutes if cooling
with air dehumidification is deactivated
Rafter approximately 30 minutes at outside
temperatures above approximately 41 ‡
(5 †) if the "Cooling with air dehumidifica-
tion" function is activated
Switching the residual heat on or off
General notes
Vehicles with rear-compartment climate
control: once the engine is switched off, it is
possible to make use of the residual heat of the
engine to continue heating or ventilating the
rear and front compartment of the vehicle for
approximately 15 minutes. If the "Residual heat"
function is set for only the front or only the rear compartment, it is possible to continue heating
or ventilating for approximately 30 minutes.
Vehicles without rear-compartment climate
control: once the engine is switched off, it is
possible to make use of the residual heat of the
engine to continue heating or ventilating the
front compartment of the vehicle for approx-
imately 30 minutes.
The heating or ventilation time depends on the
temperature that has been set.
140Operating the climate control systems
Climate control

Engine
Display messagesPossible causes/consequences andMSolutions
+
CheckCoolantLevelSee Operator's Man‐ual
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.
XAdd coolant, observing the warning notes before doing so
(Ypage 316).
If you have to add coolant frequently:
XContact a qualified specialist workshop and have the engine cooling
system checked.
?The fan motor is malfunctioning.
XAt coolant temperatures below 257 ‡(125 †), drive to the nearest
qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-and-go traffic.
?
Coolant Too HotStop Vehicle TurnEngine Off
The coolant is too hot.
A warning tone also sounds.
GWARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to catch
fire.
Steam from the overheated engine can also cause serious burns which
can occur just by opening the hood.
There is a risk of injury.
XPull over and stop the vehicle safely and switch off the engine, pay- ing attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 162).
XWait until the engine has cooled down.
XMake sure that the air supply to the engine radiator is not blocked,e.g. by snow, slush or ice.
XDo not start the engine again until the display message goes out and
the coolant temperature is below 257 ‡ (125 †). Otherwise, the
engine could be damaged.
XPay attention to the coolant temperature gauge.
If the temperature increases again:
XVisit a qualified specialist workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 255 ‡ (124 †).
242Display messages
On-board computer and displays

Warning/
indicator
lampNSignal type
Possible causes/consequences and M
Solutions
?NThe red coolant warning lamp comes on while the engine is running.
The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator may be blocked or
the electric engine radiator fan may be defective.
The coolant is too hot and the engine is no longer being cooled sufficiently.
XObserve the additional display messages in the multifunction display.
XPull over and stop the vehicle safely and switch off the engine, paying attention
to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 162).
XLeave the vehicle and keep a safe distance from the vehicle until the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning notes
(Ypage 316).
XIf you have to add coolant frequently, have the engine cooling system checked.
XMake sure that the air supply to the engine radiator is not blocked, e.g. by snow,
slush or ice.
XDo not start the engine again until the coolant temperature is below 257 ‡
(125 †). Otherwise, the engine could be damaged.
XDrive to the nearest qualified specialist workshop.
XAvoid heavy loads on the engine as you do so, e.g. driving in mountainous terrain
and stop-and-go traffic.
?N The red coolant warning lamp comes on while the engine is running. A warning
tone also sounds.
The coolant temperature has exceeded 255 ‡(124 †). The airflow to the engine
radiator may be blocked or the coolant level may be too low.
GWARNING
The engine is not being cooled sufficiently and may be damaged.
Do not drive when your engine is overheated. This can cause some fluids which
may have leaked into the engine compartment to catch fire.
Steam from the overheated engine can also cause serious burns which can occur
just by opening the hood.
There is a risk of injury.
XObserve the additional display messages in the multifunction display.
XPull over and stop the vehicle safely and switch off the engine, paying attention
to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 162).
XLeave the vehicle and keep a safe distance from the vehicle until the engine has
cooled down.
XCheck the coolant level and add coolant, observing the warning notes
(Ypage 316).
XIf you have to add coolant frequently, have the engine cooling system checked.
XMake sure that the air supply to the engine radiator is not blocked, e.g. by snow,
slush or ice.
Warning and indicator lamps in the instrument cluster265
On-board computer and displays
Z