2016 MERCEDES-BENZ S-Class SEDAN Cool

Problems with the "Cooling with air dehumidification" function
ProblemPossible causes/consequences andMSolutions
The indicator lamp in the
Ábutton flashes
three times or remains
off. Cooling with air
dehumidification can
also no longer be activa-
ted using the multimedia
system (see the sepa-
rate operating instruc-
tions).Cooling with air dehumidification has been deactivated due to a mal-
function.
XVisit a qualified specialist workshop.
Setting climate control to automatic
General notes
In automatic mode, the set temperature is main-
tained automatically at a constant level. The
system automatically regulates the temperature
of the dispensed air, the airflow and the air dis-
tribution.
The "Cooling with air dehumidification" function
is activated automatically in automatic mode.
Controlling front climate control auto-
matically using the front control panel
XTurn the SmartKey to position 2in the ignition
lock (Ypage 162).
XSet the desired temperature using the w
rocker switch on the front control unit.
or
XSet the desired temperature using the multi-
media system (see the separate operating
instructions).
XTo activate: press rocker switch Ãup or
down.
The indicator lamp in the Ãrocker switch
lights up.
XTo switch to manual operation: press the
K rocker switch up or down.
or
XSet the airflow using the multimedia system
(see the separate operating instructions).
or
XSet the airflow using the multimedia system
(see the separate operating instructions).
The indicator lamp in the Ãrocker switch
goes out. In automatic mode, if you adjust the airflow or
air distribution manually, the indicator lamp on
the
à rocker switch goes out. The function
which has not been changed manually, however, continues to be controlled automatically. When
the manually set function switches back to auto-
matic mode, the indicator lamp on the Ã
rocker switch lights up again.
Controlling rear-compartment climate
control automatically using the front
control panel
Observe the notes on controlling the rear-com-
partment climate control using the front control
panel (
Ypage 145).
XTurn the SmartKey to position 2in the ignition
lock (Ypage 162).
XPress the tor! rocker switch up or
down.
The climate control menu opens.
XSelect "Rear adjustment" in the air-condition-
ing setting bar (see the separate operating
instructions).
You can control the rear-compartment cli-
mate control using the front control panel or
the multimedia system.
XSet the desired temperature using the w
rocker switch on the front control unit.
or
XSet the desired temperature using the multi-
media system (see the separate operating
instructions).
Operating the climate control systems147
Climate control

XTo switch on:press theÃrocker switch
on the front control unit up or down.
or
XActivate automatic mode via the air-condi-
tioning setting bar in the multimedia system
(see the separate operating instructions).
The indicator lamp in the Ãrocker switch
lights up.
iSelect the temperature and automatic
mode immediately thereafter. Otherwise, you
will have to select "Rear adjustment" again
from the air-conditioning setting bar before
activating automatic mode.
XTo switch to manual operation: press the
tor !rocker switch up or down.
The climate control menu opens.
XSelect "Rear adjustment" in the air-condition-
ing setting bar (see the separate operating
instructions).
XUse the air-conditioning setting bar to deac-
tivate automatic mode.
or
XSet the air distribution using rocker switch I
or M on the rear control panel (Ypage 141).
or
XSet the airflow using rocker switch Kon the
rear control panel (Ypage 141).
The AUTO indicator on the rear display goes
out.
If you adjust the rear airflow or air distribution
manually using the multimedia system when in
automatic mode, the AUTOindicator on the rear
display goes out. The function which has not
been changed manually, however, continues to
be controll ed a
utomatically. When the manually
set function switches back to automatic mode,
the AUTO display reappears in the rear-com-
partment display.
Controlling rear climate control auto-
matically using the rear control panel
XTurn the SmartKey to position 2in the ignition
lock (Ypage 162).
XSet the desired temperature using rocker
switches Hand N(Ypage 141).
XTo activate: press rocker switch Jup or
down (Ypage 141).
The indicator lamp in rocker switch Jlights
up.
XTo deactivate: press rocker switch Jup or
down (Ypage 141).
The indicator lamp in rocker switch Jgoes
out.
If you adjust the airflow or air distribution man-
ually when in automatic mode, the AUTOdisplay
in the rear-compartment display goes out. The
function which has not been changed manually,
however, continues to be controlled automati-
cally. When the manually set function switches
back to automatic mode, the AUTOdisplay
reappears in the rear-compartment display.
Adjusting the climate mode settings
In automatic mode you can select the following
airflow settings for the driver's and front-
passenger areas:
FOCUS high airflow, slightly cooler setting
MEDIU Mmedium airflow, standard setting
DIFFUSEl ow airflow, slightly warmer and draft-
free setting
XTo set: set the climate mode using the mul-
timedia system (see the separate operating
instructions).
Setting the temperature
General notes
148Operating the climate control systems
Climate control

Defrosting thewindshield
You can use this function to defrost th ewind-
shield or to clear afogge dup windshield or fron t
sid ewindows on th einside.
Switc hof fth e"Windshield defrosting" function
as soo nas th ewindshield is clear again .
XTurnth eSmartKey to position 2in th eignition
loc k (Ypage 162).
XTo switch on: press the¬ rocker switch
on th efron tcontro luni tup or down .
The indicator lamp in th e¬ rocker switch
lights up.
The climat econtro lsyste mswitches to th e
followin gfunctions:
Rhig hairflow
Rhig htemperature
Rair distribution to th ewindshield and fron t
sid ewindows
Rair-recirculation mode of f
Rwindshield heatingon
Rcoolin gwit hair dehumidification
XTo deactivate :press th e¬ rocker switch
up or down .
The indicator lamp in th e¬ rocker switch
goe sout .The previously selecte dsetting sare
restored .Air-recirculation mode remain s
deactivated.
or
XPress th eà rocker switch up or down .
or
XUse th et or! rocker switch to cal lup
th emultimedia syste mclimat econtro lmenu.
Defrosting th ewindows
Windows fogged up on th einside
XActivat eth e"Coolin gwit hair dehumidifica-
tion "function wit hth eÁ rocker switch .
or
XActivat eth e"Coolin gwit hair dehumidifica-
tion "function via th emultimedia syste m(se e
th eseparat eoperatin ginstructions).
XSwitc hon automatic mode usin gth eÃ
rocker switch .
XIf thewindows continue to fo gup, activat eth e
"Windshield defrosting" function usin gth e ¬
rocker switch .The windshield heatin gis
switched on .
iYou should only selec tthis setting until th e
windshield is clear again .
Windows fogged up on th eoutsid e
XActivat eth ewindshield wipers .
XSwitchon automatic mode usin gth eÃ
rocker switch .
iIf you clean th ewindows regularly, they do
no tfo gup so quickly.
Rea rwindow defroster
General notes
The rea rwindow defroster has ahig hcurren t
draw. You should therefore switch it of fas soo n
as th erea rwindow is clear .Otherwise ,th erea r
window defroster switches of fautomatically
after severa lminutes.
If th ebattery voltage is to olow, th erea rwindow
defroster may switch off.
Activating or deactivating
XTur nth eSmartKey to position 2in th eignition
loc k (Ypage 162).
XPress th e¤ rocker switch up or down .
The indicator lamp in th e¤ rocker switch
lights up or goe sout .
Operating the climate control systems151
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 162).
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.
152Operating the climate control systems
Climate control

Problems with the perfume atomizer
ProblemPossible causes/consequences andMSolutions
The vehicle interior is not
perfumed although the
perfume atomizer is acti-
vated.The perfume vial has not been pushed into the holder as far as it will
go.
XSlide the perfume vial into the holder as far as it will go.
The perfume vial is not filled sufficiently.
XPre-filled vials:dispose of the empty vial.
XUse a new pre-filled vial.
XRefillable vials: fill the perfume vial with a maximum of 0.5 fl. oz.
(15 ml) of the same perfume.
The perfume atomizer is faulty.
XHave the perfume atomizer checked at a qualified specialist work-
shop.
Ionization
You can use the "Ionization" function to purify
the air in the vehicle interior and attain an
improved interior climate.
The ionization of the interior air is odorless and
cannot be perceived directly in the vehicle inte-
rior.
You can switch ionization on or off using the
multimedia system (see the separate operating
instructions).
Ionization can only be switched on if the front
climate control system is activated. The side air
vent on the driver's side must be open.
Pre-entry climate control via Smart-
Key
General notes
The "Pre-entry climate control via SmartKey"
function is only available in PLUG-IN HYBRID
vehicles.
Before getting in, the driver's seat area or the
whole interior can be briefly warmed or ventila-
ted in advance with the air from the air vents
being pre-cooled.
The high-voltage battery must be sufficiently
charged before "Pre-entry climate control via
SmartKey" can be activated. When the vehicle is pre-cooled, the following
functions are activated if required:
RClimate control system
RBlower
RSeat ventilation
When the vehicle is pre-heated, the following
functions are activated if required:
RClimate control system
RBlower
RSeat heating
RSteering wheel heating
RExterior mirror heating
RRear window defroster
If you have activated the following functions
using the multimedia system, they are activated
together with the "Pre-entry climate control via
SmartKey" function:
RArmrest heating
RPerfume atomizer
RIonization
Activating the perfume atomizer or ionization
(see separate operating instructions).
Activating or deactivating "Pre-entry
climate control via SmartKey"
Before "Pre-entry climate control via SmartKey"
can be activated, you must activate the function
via the multimedia system (see separate oper-
ating instructions).
Operating the climate control systems155
Climate control
Z

XTo activate pre-entry climate control via
SmartKey:unlock the vehicle with the Smart-
Key or KEYLESS-GO.
The climate control functions are activated
for up to 5 minutes for pre-heating and pre-
cooling.
To deactivate "Pre-entry climate control via SmartKey": "Pre-entry climate control via
SmartKey" switches off automatically when the
engine is started.
The following functions remain active after the
engine is started:
RSeat heating (heating)
RSeat ventilation (ventilation)
RArmrest heating
RPerfume atomizer
RIonization
An activated "Pre-entry climate control via
SmartKey" function can be deactivated using
the rocker switch (
Ypage 158).
156Operating the climate control systems
Climate control

Problems with "Pre-entry climate control via SmartKey"
ProblemPossible causes/consequences andMSolutions
"Pre-entry climate con-
trol via SmartKey" can-
not be switched on or
has switched itself off.The condition of charge of the high-voltage battery is under the speci-
fied minimum condition of charge.
XStart the engine when the vehicle is at a standstill.
The engine powers the electric motor. The electric motor operates
as a generator. The high-voltage battery is being charged.
Further information on charging the high-voltage battery via:
Ra mains socket (Ypage 183)
Ra charging station (Ypage 186)
Ra wallbox (Ypage 185)
"Pre-entry climate control via SmartKey" has been started more than
twice with the engine switched off.
XSwitch on the engine and let it run for more than ten seconds.
XTry again to switch on "Pre-entry climate control via SmartKey".
Pre-entry climate control at time of
departure
Important safety notes
GWARNING
If persons, particularly children are subjected to prolonged exposure to extreme heat or
cold, there is a risk of injury, possibly even
fatal. Never leave children unattended in the
vehicle.
General notes
The "Pre-entry climate control at departure
time" function is only available in PLUG-IN
HYBRID vehicles.
You can use the "Pre-entry climate control at
departure time" function to cool or heat the
vehicle interior if the engine is not running.
The "Pre-entry climate control at departure
time" function can be activated regardless of
whether or not the vehicle is connected to an
electric power supply. The condition of charge of
the high-voltage battery must be higher than the
specified minimum condition of charge, how-
ever.
When the vehicle is connected to an electric
power supply, priority is given to charging the
high-voltage battery to the specified minimum charge. "Pre-entry climate control at departure
time" is only activated subsequently.
The running time of the "Pre-entry climate con-
trol at departure time" function may be reduced
if:
Rthe vehicle is not connected to an electric
power supply and
Rthe high-voltage battery is not fully charged
With active "Pre-entry climate control at depar-
ture time" the condition of charge of the high-
voltage battery can be reduced, even if the
charge cable connector is connected.
When the vehicle is cooled, the following func-
tions are activated if required:
RClimate control system
RBlower
RSeat ventilation
When the vehicle is heated, the following func-
tions are activated if required:
RClimate control system
RBlower
RSeat heating
RSteering wheel heating
RArmrest heating
RExterior mirror heating
RRear window defroster
If you have switched on the perfume atomizer or the ionization using the multimedia system,
Operating the climate control systems157
Climate control
Z

these will be activated together with the "Pre-
entry climate control at departure time".
Activating the perfume atomizer or ionization
(see separate operating instructions).
Setting the departure time
You can set the departure time using the on-
board computer or via the My Mercedes Electric
– Vehicle Homepage. The activation of the "Pre-
entry climate control at departure time" func-
tion can be linked to this departure time. Your
vehicle will then be cooled or heated until the
desired temperature is reached in time for the
set departure time. "Pre-entry climate control at departure time" will be activated a maximum of
55 minutes before departure. If the departure is
delayed, the vehicle will be heated or cooled for
another five minutes.
XTo set the departure time: set the departure
time using the on-board computer
(
Ypage 272). Set the departure time via the
My Mercedes Electric – Vehicle Homepage
(
Ypage 189).
XTo activate or deactivate "Pre-entry cli-
mate control at departure time": activate
or deactivate "Pre-entry climate control at
departure time" via the multimedia system
(see the separate operating instructions).
Activate or deactivate "Pre-entry climate con-
trol at departure time" via the My Mercedes
Electric – Vehicle Homepage (
Ypage 189).
When activating the "Pre-entry climate control
at departure time" function: you can sele ct
w

hether only the driver's area or the whole vehi-
cle interior should be heated or cooled.
The "Pre-entry climate control at departure
time" function switches off automatically when
the vehicle is started. The following functions
remain active:
RSeat heating
RSeat ventilation
RArmrest heating
RSteering wheel heating
RPerfume atomizer
RIonization
Switching off "Pre-entry climate control at
departure time": the activated "Pre-entry cli-
mate control at departure time" can be switched
off using the rocker switch (
Ypage 158).
Activating or deactivating "Immediate
pre-entry climate control" using the
rocker switch
You can activate "Immediate pre-entry climate
control" even if the vehicle interior is already at
the desired temperature. This means that the
vehicle interior continues to be cooled or
heated, e.g. if the journey is interrupted for up to 50 minutes, and the interior temperature is kept
constant.
XTo activate or deactivate "Immediate pre-
entry climate control": press rocker
switch :up or down.
The blue or red indicator lamp on the rocker
switch lights up or goes out.
The colors of the indicator lamps on rocker
switch :have the following meanings:
Rblue: cooling activated
Rred: heating activated
Ryellow: departure time is preselected
Setting the air vents
Important safety notes
GWARNING
Very hot or very cold air can flow from the air
vents. This could result in burns or frostbite in
the immediate vicinity of the air vents. There
is a risk of injury.
Make sure that all vehicle occupants always
maintain a sufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicle interior.
158Setting the air vents
Climate control