heating MERCEDES-BENZ GLC SUV 2015 User Guide

Adjusting the rear seat head restraint
height X
If the head restraint is fully lowered, it is
necessary to press release catch :.
X To raise: pull the head restraint up to the
desired height.
X To lower: press release catch :and push
the head restraint down until it is in the
desired position.
Fitting and removing rear head
restraints X
Release the rear seat backrest and fold it
slightly forwards (Y page 393).
X To remove: pull the head restraint up to
the stop.
X Press release catch :and pull the head
restraint out of the guides.
X To refit: insert the head restraint so that
the notches on the bar are on the left when viewed in the direction of travel. X
Push the head restraint down until you hear
it engage in position.
X Fold back the rear seat backrest until it
engages. Adjusting the 4-way lumbar support
:
To raise the backrest contour
; To soften the backrest contour
= To lower the backrest contour
? To harden the backrest contour
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back. Switching the seat heating on/off
Switching on/off G
WARNING
If you repeatedly switch on seat heating, the
seat cushion and backrest padding may
become very hot. The health of vehicle occu-
pants with limited temperature sensitivity or a limited ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There is a risk of
injury.
Therefore, do not switch on the seat heating
repeatedly. Seats
125Seats, steering wheel and mirrors Z

Driver's and front-passenger seat
Rear seats
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3to level 2after approximately
eight minutes.
The system automatically switches from level
2 to level 1after approximately ten minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Turn the key to position 1or 2in the ignition
lock (Y page 187).
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off.
i If drive program
E(Y page 200) is selec-
ted, the power of the seat heating is
reduced. 126
SeatsSeats, steering
wheel and mirrors

Problems with the seat heating
Problem
Possible causes/consequences and
M
MSolutions The seat heating has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat heating can be
switched back on manually. Switching the seat ventilation on/off
Switching on/off The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
X Turn the key to position 1or 2in the ignition
lock (Y page 187).
X To switch on: press button:repeatedly
until the desired ventilation level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i You can open the side windows and the
sliding sunroof using the convenience
opening feature (Y page 111). The seat
ventilation of the driver's seat automati-
cally switches to the highest level.
i When the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation. Seats
127Seats, steering wheel and mirrors Z

Problems with the seat ventilation
Problem
Possible causes/consequences and
M
MSolutions The seat ventilation has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat ventilation can
be switched back on. Steering wheel
Important safety notes
G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steering wheel or
mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirrors and fasten your seat
belt before starting the engine. G
WARNING
Children could become trapped by the steer-
ing wheel if they adjust it. There is a risk of
injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no key in the
ignition lock. Adjusting the steering wheel man-
ually
:
Release lever
; To adjust the steering wheel height
= To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever :down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired
position.
X Push release lever :up as far as it will go.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
wheel up or down or try to move it in the
fore-and-aft direction. 128
Steering wheelSeats, steering wheel and mirrors

Adjusting the steering wheel electri-
cally :
To adjust the steering wheel height
; To adjust the steering wheel position
(fore-and-aft adjustment)
i Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 130)
R Storing settings (Y page 135)
R Operating the on-board computer
(Y page 314). Steering wheel heating
Switching on/off X
Turn the key to position 2in the ignition
lock (Y page 187).
X To switch on/off: turn the lever in the
direction of arrow :or;.
Indicator lamp =lights up or goes out. Vehicles without KEYLESS-GO: when you
remove the key from the ignition lock, the
steering wheel heating is switched off.
Vehicles with KEYLESS-GO: when you switch
off the ignition and open the driver's door, the steering wheel heating is switched off. Steering wheel
129Seats, steering wheel and mirrors Z

Problems with the steering wheel heating
Problem
Possible causes/consequences and
M
MSolutions The steering wheel
heating has switched
itself off prematurely or
cannot be switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting. EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants – particularly children – could
become trapped. There is a risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
Move the steering wheel adjustment lever if
there is a risk of entrapment by the steering
wheel. The adjustment process is stopped.
Press one of the memory function position
buttons. The adjustment process is stopped.
This function is only available on vehicles with
a memory function. G
WARNING
If children activate the EASY-ENTRY/EXIT fea- ture, they can become trapped, particularly
when unattended. There is a risk of injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is a risk of an
accident.
Always wait until the adjustment process is
complete before driving off. The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature using Audio 20/
COMAND Online; see the separate Audio 20/ COMAND Online operating instructions.
Position of the steering wheel when the EASY-ENTRY/EXIT feature is active The steering wheel tilts upwards if you:
R remove the key from the ignition lock
R with KEYLESS-GO: open the driver's door;
KEYLESS-GO must be in position 1
R with the key: open the driver's door; the
key must be in position 0or 1in the ignition
lock (Y page 187)
R open the driver's door when the ignition is
switched off
i The steering wheel only tilts upwards if
the driving position is stored after the seat or steering wheel has been adjusted
(Y page 135).
The most recent driving position of the steer-
ing wheel is stored if:
R the ignition is switched off
R the setting is stored using the memory
function (Y page 135)
i The steering wheel only moves upwards if
it has not already reached the upper steer-
ing limiter. 130
Steering wheelSeats, steering wheel and mirrors

Adjusting the exterior mirrors
X
Turn the key to position 1or 2in the ignition
lock (Y page 187).
X Press button ;for the right-hand exterior
mirror or button =for the left-hand exte-
rior mirror.
The indicator lamp lights up in the button
that has been pressed.
The indicator lamp goes out again after
some time. You can adjust the selected
mirror using adjustment button :as long
as the indicator lamp is lit.
X Press adjustment button :up, down, or to
the left or right until you have adjusted the
exterior mirror to the correct position. You
should have a good overview of traffic con- ditions.
The convex exterior mirrors provide a larger
field of vision.
After the engine has been started, the exte-
rior mirrors are automatically heated if the
rear window heating is switched on and the
outside temperature is low. Folding the exterior mirrors in/out elec-
trically X
Turn the key to position 1or 2in the ignition
lock (Y page 187).
X Briefly press button :.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while driving. They
could otherwise vibrate.
i If you are driving faster than 47 km/h, you
can no longer fold in the exterior mirrors.
Resetting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must
be reset. The exterior mirrors will otherwise
not fold in when you select the Automatic Automatic
mirror-folding function
mirror-folding function function on
COMAND Online/Audio 20.
X Turn the key to position 1or 2in the ignition
lock (Y page 187).
X Briefly press :.
Folding the exterior mirrors in/out
automatically When the
Automatic mirror-folding Automatic mirror-folding
function
function function is activated in COMAND
Online or Audio 20 (see the separate operat-
ing instructions): 132
MirrorsSeats
, steering wheel and mirrors

Control panel for THERMATIC automatic climate control (2-zone)
Vehicles with auxiliary heating or PLUG-IN HYBRID
: To set the temperature, left (Y page 165)
; To set the air distribution (Y page 166)
= To set the airflow (Y page 167)
To switch climate control off (Y page 162)
? To set climate control to automatic mode (Y page 164)
A To demist the windscreen (Y page 168)
B To call up the Audio 20 or COMAND Online climate control menu (see the separate oper-
ating instructions)
To switch the residual heat on/off (Y page 171)
C To switch the rear window heating on/off (Y page 169)
D To switch the auxiliary heating on/off (Y page 178)
PLUG-IN HYBRID: to activate or deactivate "Immediate pre-entry climate control"
(Y page 177)
E To activate/deactivate air-recirculation mode manually (Y page 170)
F To activate/deactivate cooling with air dehumidification (Y page 162)
G To set the temperature, right (Y page 165) Overview of climate control systems
157Climate control

Vehicles without auxiliary heating
:
To set the temperature, left (Y page 165)
; To set the air distribution (Y page 166)
= To set the airflow (Y page 167)
To switch climate control off (Y page 162)
? To set climate control to automatic mode (Y page 164)
A To demist the windscreen (Y page 168)
B To call up the Audio 20 or COMAND Online climate control menu (see the separate oper-
ating instructions)
C To switch the rear window heating on/off (Y page 169)
D To activate or deactivate synchronisation (Y page 167)
E To activate/deactivate air-recirculation mode manually (Y page 170)
F To activate/deactivate cooling with air dehumidification (Y page 162)
G To set the temperature, right (Y page 165)Information about using THERMATIC
automatic climate control (2‑zone)
THERMATIC automatic climate control The following contains notes and recommen-
dations on optimum use of THERMATIC auto-
matic climate control.
R Activate climate control using the Ã
rocker switch. The indicator lamp above
the à rocker switch lights up. The "Cool-
ing with air dehumidification" function is
not activated automatically in automatic mode. If necessary, activate this function
(Y page 162).
R Set the temperature to 22 †.
R Only use the windscreen demisting func-
tion briefly until the windscreen is clear
again.
R Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odours or
when in a tunnel. The windows could oth-
erwise mist up as no fresh air is drawn into
the vehicle in air-recirculation mode. 158
Overview of climate control systemsClimate control

DYNAMIC SELECT switch
You can choose between various drive pro-
grams with the DYNAMIC SELECT switch
(Y page 195).
If you have selected drive program E:
R the cooling output is reduced when cooling
R when heating, the electrical heater booster
is deactivated and heat output is reduced
as a result
R the rear window heating running time is
reduced
If you have selected drive program C,Sor S+ ,
the current climate settings are maintained.
ECO start/stop function During automatic engine switch-off, the cli-
mate control only operates at a reduced capa- city. If you require the full climate control out-
put, you can switch off the ECO start/stop
function by pressing the ECO button
(Y page 193). Overview of climate cont
rol systems
159Climate control