MERCEDES-BENZ S CLASS 2016 Owners Manual

Page 141 of 438

Problems with the windshield wipers Problem
Possible causes/consequences and P Solutions
The windshield wipers
are jammed. Leaves or snow, for example, may be obstructing the windshield wiper
movement. The wiper motor has been deactivated. X
Switch off the engine using the Start/Stop button and open the
driver's door. X
Remove the cause of the obstruction. X
Switch the windshield wipers back on.
The windshield wipers
fail completely. The windshield wiper drive is malfunctioning. X
Select another wiper speed on the combination switch. X
Have the windshield wipers checked at a qualified specialist work-
shop.
The wiper motor has been deactivated. X
Switch off the engine using the Start/Stop button and open the
driver's door. X
Remove the cause of the obstruction. X
Switch the windshield wipers back on.
For a standard wiper sys-
tem only: the windshield
washer fluid from the
spray nozzles no longer
hits the center of the
windshield. The spray nozzles are misaligned. X
Have the spray nozzles adjusted at a qualified specialist workshop. Windshield wipers 139
Lights and windshield wipers Z

Page 142 of 438

Useful information
i This Operator's Manual describes all models
and all standard and optional equipment of
your vehicle available at the time of publica-
tion of the Operator's Manual. Country-spe-
cific 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 specialist
workshops ( Y
page 28).
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: R
switch off climate control only briefly R
switch on air-recirculation mode only briefly R
switch on the cooling with air dehumidifica-
tion function R
switch 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.
For vehicles with a combustion engine, the
"Cooling with air dehumidification" function is
only available when the engine is running. For
hybrid vehicles, the "Cooling with air dehumidi-
fication" function is also available via the elec-
tric refrigerant compressor when the engine is
not 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 ( Y
page 164).
The residual heat function can only be activated
or deactivated with the ignition switched off
( Y
page 152).
i Ventilate the vehicle for a brief period during
warm weather, e.g. using the convenience
opening feature ( Y
page 95). This will speed
up the cooling process and the desired inte- rior temperature will be reached more
quickly.
i The integrated filter filters out most parti-
cles of dust and soot and completely filters
out pollen. It also reduces gaseous pollutants
and odors. A clogged filter reduces the
amount of air supplied to 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 conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Maintenance Book-
let.
i It is possible that the blower may be activa-
t ed automatically 60 minutes after the Smart-
Key has been removed depending on various
factors, e.g. the outside temperature. The
vehicle is then ventilated for 30 minutes to dry
the climate control system.140
Overview of climate control systems
Climate control

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Aut oma tic climate cont rol panel
US A only
Front control panelC
Sets climat e control to automatic, lef t ( Y
page 147)D
Sets th e temperature, lef t ( Y
page 148)

Page 144 of 438

Canada on ly
Front control panelC
Sets climate control to automatic, left ( Y
page 147)D
Sets the temperature, left ( Y
page 148)

Page 145 of 438

PLUG-IN HYBRID (USA only)
Front control panelC
Sets climate control to automatic, left ( Y
page 147)D
Sets the temperature, left ( Y
page 148)

Page 146 of 438

PLUG-IN HYBRID (Canada only)
Front control panelC
Sets climate control to automatic, left ( Y
page 147)D
Sets the temperature, left ( Y
page 148)

Page 147 of 438

Notes on using automatic climate
control
Climate control system Below, you can find a number of notes and rec-
ommendations to help you use climate control
optimally. R
Activate climate control using the X
rocker switch. The indicator lamp in the X
rocker switch lights up. R
Set the temperature to 72 ‡ (22 †). R
Only use the "Windshield defrosting" function
briefly until the windshield is clear again. R
Only 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. R
Use 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 ignition
is switched on.
If you are controlling the rear-compartment cli-
mate control using the front control panel, note
the following: R
If you set rear-compartment climate control
using the front control panel, the

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X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 162).X
To activate: press the

Page 149 of 438

Problems with the "Cooling with air dehumidification" function Problem
Possible causes/consequences and P Solutions
The indicator lamp in the
V button 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. X
Visit 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 X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 162).X
Set the desired temperature using the

Page 150 of 438

X
To switch on: press the X rocker switch
on the front control unit up or down.
or X
Activate automatic mode via the air-condi-
tioning setting bar in the multimedia system
(see the separate operating instructions).
The indicator lamp in the X rocker switch
lights up.
i Select 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. X
To switch to manual operation: press the

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