MERCEDES-BENZ S CLASS 2016 Owners Manual

Page 151 of 438

You can set the temperature separately for the
following areas on vehicles without rear-com-
partment climate control: R
front footwells, left and right R
driver and front passenger area
You can set the temperature separately for the
following areas on vehicles with rear-compart-
ment climate control: R
front footwells, left and right R
driver and front passenger area R
rear compartment, left and right
Setting the temperature in the front
compartment using the front control
panel X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 162).X
To increase or reduce: press the

Page 152 of 438

Page 153 of 438

Defrosting th e windshieldYou can use this function to defrost th e wind-
shield or to clear a fogge d up windshield or fron t
sid e windows on th e inside.
Switc h of f th e "Windshield defrosting" function
as soo n as th e windshield is clear again .X
Tur n th e SmartKey to position 2 in th e ignition
loc k ( Y
page 162).X
To switch on: press th e d rocker switch
on th e fron t contro l uni t up or down .
The indicator lamp in th e d rocker switch
lights up.
The climat e contro l syste m switches to th e
followin g functions:R
hig h airflowR
hig h temperatureR
air distribution to th e windshield and fron t
sid e windowsR
air-recirculation mode of fR
windshield heatin g onR
coolin g wit h air dehumidificationX
To deactivate : press th e d rocker switch
up or down .
The indicator lamp in th e d rocker switch
goe s out . The previously selecte d setting s are
restored . Air-recirculation mode remain s
deactivated.
or X
Press th e X rocker switch up or down .
or X
Use th e

Page 154 of 438

Problems with the rear window defroster Problem
Possible causes/consequences and P Solutions
The rear window
defroster has deactiva-
ted prematurely or can-
not be activated. The battery has not been sufficiently charged. X
Switch 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 X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 162).X
To activate: press the r rocker switch up
or down.
The indicator lamp in the r rocker switch
lights up.
Air-recirculation mode switches on automati-
cally: R
at high outside temperatures R
at high levels of pollution R
in a tunnel
The indicator lamp in the r rocker switch is
not lit when automatic air-recirculation mode is
activated. Outside air is added after about
30 minutes. X
To deactivate: press the r rocker switch
up or down.
The indicator lamp in the r rocker switch
goes out. Air-recirculation mode deactivates automati-
cally: R
after approximately five minutes at outside
temperatures below approximately 41 ‡
(5 †) R
after approximately five minutes if cooling
with air dehumidification is deactivated R
after 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.152
Operating the climate control systems
Climate control

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Front control panel X
Turn th e SmartKey to position 0 in th e ignition
loc k or remove it ( Y
page 162).X
To activate: press th e ! or V rocke r
switch up or down .
The indicator lamp in th e ! or V rocke r
switch lights up.
The blowe r will run at a low spee d regardless of
th e airflow setting .
If you activat e th e residual heat function at high
temperatures , only th e ventilation will be acti-
vated. The blowe r run s at medium speed.X
To deactivate: press th e ! or V
rocke r switch up or down .
The indicator lamp in th e ! or V rocke r
switch goes out .
Rear control panel X
Turn th e SmartKey to position 0 in th e ignition
loc k or remove it ( Y
page 162).
The RES T display appear s on th e rear com-
partmen t display.X
To activate: press rocke r switch t up or
down ( Y
page 141).
The indicator lamp in rocke r switch t lights
up. X
To deactivate: press rocke r switch t up or
down ( Y
page 141).
The indicator lamp in rocke r switch t goes
out . RES T goes out on th e rear compartmen t
display.
i If you do no t activat e th e residual heat func-
tion , RES T goes out automatically after fiv e
minute s on th e rear compartmen t display.
Residual heat is deactivated automatically: R
after approximately 30 minute si f the residual
heat function is activated in the front or rear
compartment R
after approximately 15 minutes if the residual
heat function is activated in the front and rear
compartments R
when the ignition is switched on R
if the battery voltage drops Perfume atomizer
Operating the perfume atomizer
G WARNING
If children open the vial, they could drink the
perfume or it could come into contact with
their eyes. There is a risk of injury. Do not
leave children unsupervised in the vehicle.
If the perfume liquid has been drunk, consult
a doctor. If perfume comes into contact with
your eyes or skin, rinse the eyes with clean
water. If you continue to experience difficul-
ties, consult a doctor.
H Environmental note
Full vials must not be dis-
posed of with household
waste. They must be collec-
ted separately and recycled
to protect the environment.
Dispose of full vials in an
environmentally responsible
manner and take them to a
harmful substance collec-
tion point.
C
Vial lid
D
Vial
The perfume atomizer helps to improve driving
comfort.
Via the multimedia system you can: R
switch the perfume atomizer on or off R
regulate the perfume intensity (see the sepa-
rate operating instructions)Operating the climate control systems 153
Climate control Z

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The following conditions can affect your percep-
tion of the perfume intensity: R
operating mode of the climate control system R
interior temperature R
time of year or day R
air humidity R
physiological condition of occupants, e.g. fati-
gue or hunger
The perfume atomizer can only be operated
when the climate control system is switched on
and is only active when the glove box is closed.
The perfume atomizer is provided with a pre-fil-
led vial. You can also choose from a variety of
filled perfume vials and an empty vial which you
can fill yourself.
If you refill an empty perfume vial, observe the
separate information sheet attached to the vial.
! If you do not use genuine Mercedes-Benz
interior perfumes, observe the manufactur-
ers' safety notices on the perfume packaging.
Do not refill the pre-filled perfume vial when it is
empty. Dispose of the used vial after use. X
To insert the perfume vial: open the glove
box ( Y
page 326).X
Slide the perfume vial into the holder as far as
it will go. X
To remove the perfume vial: pull out the
perfume vial. X
To refill the perfume vial: unscrew the lid of
the empty perfume vial to refill it yourself. X
Fill the perfume vial with a maximum of
0.5 fl. oz. (15 ml) of the desired liquid per-
fume. X
Screw the lid back on to the vial.
! Only refill the vial when you are outside the
vehicle. Otherwise, liquid perfume could drip
into the interior and contaminate it.
Always refill the empty refillable vial with the
same perfume. Otherwise, you might not ach-
ieve optimum results from the perfume atom-
izer.154
Operating the climate control systems
Climate control

Page 157 of 438

Problems with the perfume atomizer Problem
Possible causes/consequences and P Solutions
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. X
Slide the perfume vial into the holder as far as it will go.
The perfume vial is not filled sufficiently. X
Pre-filled vials: dispose of the empty vial.X
Use a new pre-filled vial. X
Refillable vials: fill the perfume vial with a maximum of 0.5 fl. oz.
(15 ml) of the same perfume.
The perfume atomizer is faulty. X
Have 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: R
Climate control system R
Blower R
Seat ventilation
When the vehicle is pre-heated, the following
functions are activated if required: R
Climate control system R
Blower R
Seat heating R
Steering wheel heating R
Exterior mirror heating R
Rear 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: R
Armrest heating R
Perfume atomizer R
Ionization
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 systems 155
Climate control Z

Page 158 of 438

X
To 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: R
Seat heating (heating) R
Seat ventilation (ventilation) R
Armrest heating R
Perfume atomizer R
Ionization
An activated "Pre-entry climate control via
SmartKey" function can be deactivated using
the rocker switch ( Y
page 158).156
Operating the climate control systems
Climate control

Page 159 of 438

Problems with "Pre-entry climate control via SmartKey" Problem
Possible causes/consequences and P Solutions
"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. X
Start 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: R
a mains socket ( Y
page 183)R
a charging station ( Y
page 186)R
a wallbox ( Y
page 185)
"Pre-entry climate control via SmartKey" has been started more than
twice with the engine switched off. X
Switch on the engine and let it run for more than ten seconds. X
Try again to switch on "Pre-entry climate control via SmartKey".
Pre-entry climate control at time of
departure
Important safety notes
G WARNING
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: R
the vehicle is not connected to an electric
power supply and R
the 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: R
Climate control system R
Blower R
Seat ventilation
When the vehicle is heated, the following func-
tions are activated if required: R
Climate control system R
Blower R
Seat heating R
Steering wheel heating R
Armrest heating R
Exterior mirror heating R
Rear window defroster
If you have switched on the perfume atomizer or
the ionization using the multimedia system,Operating the climate control systems 157
Climate control Z

Page 160 of 438

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. X
To set the departure time: set the departure
time using the on-board computer
( Y
page 272). Set the departure time via the
My Mercedes Electric – Vehicle Homepage
( Y
page 189).X
To 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 ( Y
page 189).
When activating the "Pre-entry climate control
at departure time" function: you can select
w h ether 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: R
Seat heating R
Seat ventilation R
Armrest heating R
Steering wheel heating R
Perfume atomizer R
Ionization
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 ( Y
page 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.
X
To activate or deactivate "Immediate pre-
entry climate control": press rocker
switch C 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 C have the following meanings: R
blue: cooling activated R
red: heating activated R
yellow: departure time is preselected
Setting the air vents
Important safety notes
G WARNING
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.158
Setting the air vents
Climate control

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