2017 MERCEDES-BENZ GLS climate control

Rear control panelC
Sets rear-compartment climate control to automaticD
Switches the rear climate control on/off

n
Increases the airflow ( Y
page 131)o
Reduces the airflow ( Y
page 131)p
Displayq
Adjusts the climate mode settings ( Y
page 130)r
Switches air-recirculation mode on/off ( Y
page 133)s
Sets climate control to automatic ( Y
page 130)
Rear control panelt
Increases the airflow ( Y
page 131)u
Sets the temperature ( Y
page 131)v
Sets rear-compartment climate control to automatic ( Y
page 130)w
Directs the airflow through the rear air vents ( Y
page 131)x
Switches the seat heating on the right-hand side on/off ( Y
page 103)y
Directs the airflow through the footwell vents ( Y
page 131)z
Switches the rear climate control on/off ( Y
page 129){
Reduces the airflow ( Y
page 131)|
Switches the seat heating on the left-hand side on/off ( Y
page 103)
Canada only
Front control panelC
Sets the temperature, left ( Y
page 131)
D
Defrosts the windshield ( Y
page 132)

q
Adjusts the climate mode settings ( Y
page 130)r
Switches air-recirculation mode on/off ( Y
page 133)s
Sets climate control to automatic ( Y
page 130)
Rear control panelt
Increases the airflow ( Y
page 131)u
Sets the temperature ( Y
page 131)v
Sets rear-compartment climate control to automatic ( Y
page 130)w
Directs the airflow through the rear air vents ( Y
page 131)x
Switches the seat heating on the right-hand side on/off ( Y
page 103)y
Directs the airflow through the footwell vents ( Y
page 131)z
Switches the rear climate control on/off ( Y
page 129){
Reduces the airflow ( Y
page 131)|
Switches the seat heating on the left-hand side on/off ( Y
page 103)
Control panel for 3-zone automatic climate control with additional rear-com-
partment climate control
USA only
Front control panel
C
Sets the temperature, left ( Y
page 131)
D
Defrosts the windshield ( Y
page 132)

s
Sets climate control to automatic ( Y
page 130)
Rear control panelt
Increases the airflow ( Y
page 131)u
Sets the temperature ( Y
page 131)v
Sets rear-compartment climate control to automatic ( Y
page 130)w
Directs the airflow through the rear air vents ( Y
page 131)x
Directs the airflow through the footwell vents ( Y
page 131)y
Switches the rear climate control on/off ( Y
page 129)z
Reduces the airflow ( Y
page 131)
Optimum use of automatic climate
control
Optimum use of the automatic climate
control The following contains notes and recommenda-
tions on optimum use of the dual-zone or 3-zone
automatic climate control. R
You can switch on climate control by using the
X and Z or X and V buttons.
The indicator lamps in the X and
Z buttons or the X and V buttons
light up. R
Vehicles with 3-zone climate control: in
automatic mode, you can also use the

Activating/deactivating X
Turn th e SmartKey to position 2 in th e ignition
loc k ( Y
page 138).X
To switch on: press th e X button.
The indicator lamp in th e X butto n lights
up. Airflo w and air distribution are set to auto -
matic mode. X
To deactivate: press th e x button.
The indicator lamp in th e x butto n lights
up. Switching cooling with air dehumidi-
ficati on on/off
Activating/deactivating X
To activate: press th e Z or V button.
The indicator lamp in th e Z or V butto n
lights up. X
To deactivate: press th e Z or V but -
ton.
The indicator lamp in th e Z or V butto n
goe s out . The "Cooling wit h air dehumidifica-
tion " function has a delaye d switch-off fea-
ture.
Problems with the "Cooling with air dehumidification" function Problem
Possible causes/consequences and P Solutions
The indicator lamp in th e
Z or V butto n
flashes three times or
remain s off . The "Cool-
ing wit h air dehumidifi-
cation " function canno t
be switched on . Cooling wit h air dehumidification has been deactivated due to a mal-
function . X
Visit a qualified specialist workshop .
Setting climate cont rol to automatic
Gene ra l notesIn automatic mode, th e set temperature is main -
taine d automatically at a constan t level. The
system automatically regulates th e temperature
of th e dispensed air, th e airflow and th e air dis-
tribution .
The "Cooling wit h air dehumidification " function
is activated automatically in automatic mode.
In th e rear compartment, you can also switch
climat e control for th e rear seat s to automatic
mod e usin g th e X button.
Aut oma tic cont rolX
Turn th e SmartKey to position 2 in th e ignition
loc k ( Y
page 138).X
Se t th e desired temperature.X
To activate: press th e X button.
The indicator lamp in th e X butto n lights
up. Automatic air distribution and airflow are
activated. X
To switch to manua l mode: p res s th e

Setting the temperature
Dual-zone automatic climate control Different temperatures can be set for the driv-
er's and front-passenger sides. X
Turn the SmartKey to position 2 in the ignition
lock ( Y
page 138).X
To increase or decrease: turn control C or

been switched off. The heating time depends on
the set interior temperature.
Switching on/off X
To activate: press the K or V button.
The indicator lamp in the K or V button
lights up.
i The blower will run at a low speed regardless
of the airflow setting.
i If you activate the residual heat function at
high temperatures, only the ventilation will be
activated. The blower runs at medium speed. X
To deactivate: press the K or V but-
ton.
The indicator lamp in the K or V button
goes out.
Residual heat is deactivated automatically: R
after approximately 30 minutes R
when the ignition is switched on R
if the battery voltage drops
Ionization Ionization is used 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 and off via the mul-
timedia system (see the separate operating
instructions).
Ionization can only be operated when the auto-
matic climate control is switched on. The side air
vent on the driver's side must be open.
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.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes: R
keep the air inlet grille on the hood and in the
engine compartment on the front-passenger
side free of blockages, such as ice, snow or
leaves. R
never cover the air vents or air intake grilles in
the vehicle interior.
i For virtually draft-free ventilation, adjust the
sliders of the air vents to the center position.
Setting the center air vents
C
Center air vent, left D
Center air vent, right

B-pillar air vent in the headliner
C
B-pillar air ventD
Thumbwheel for B-pillar air vent X
To open or close: turn thumbwheel D up or
down.
Third row of seats
B-pillar air vent in the headliner
C
B-pillar air ventD
Thumbwheel for B-pillar air vent X
To open or close: turn thumbwheel D up or
down.136
Setting the air vents
Climate control