Get Climate control -> Operating the climate control system Guide for Mercedes C Class 4 Door Fourth Generation (2014-2021)

140 Climate control

#

Rear operating unit in vehicles with

THERMOTRONIC air conditioning control

panel

To switch off: set the airflow to level 0 using

the H button.

A

Vehicles with THERMATIC air conditioning

control panel: ¿ switches A/C function

on/off (/ page 140)

Vehicles with THERMOTRONIC air condition‐

ing control panel: _ adjusts air distribu‐

tion on right

% If climate control is switched off, the win‐

dows may mist up more quickly. Switch off

climate control only briefly.

B

w Sets the temperature on the front

passenger side

Activating/deactivating the A/C function via

the air conditioning control panel

The A/C function heats, cools and dehumidifies

the vehicle's interior air.

#

Press the ¿ button.

Switch off the A/C function only briefly; other‐

wise, the windows may mist up more quickly.

Condensation may drip from the underside of

the vehicle when cooling mode is active. This is

not indicative of a fault.

1

2

3

Sets the temperature

Display

Sets the airflow

Operating the climate control system

Switching climate control on/off

#

To switch on: set the airflow to level 1 or

higher using the H button.

Climate control 141

Activating/deactivating the A/C function via

the multimedia system

R

Setting the temperature

MEDIUM: medium airflow, standard setting

#

DIFFUSE: low airflow, slightly warmer and

draught-free setting

Select Temperature.

Multimedia system:

#

Set the temperature.

4

5

Vehicle

b Climate control

A/C

Setting the climate style

Multimedia system:

Activating/deactivating the climate control

synchronisation function via the air condi‐

tioning control panel

The A/C function heats, cools and dehumidifies

the vehicle's interior air.

4

5

Vehicle

b Climate control

5

#

Climate mode

Activate O or deactivate ª the function.

#

Climate control can be set centrally using the

synchronisation function. The temperature and

air distribution settings for the driver's side will

be adopted automatically for the front passenger

side.

Select Driver and/or Passenger.

Select FOCUS, MEDIUM or DIFFUSE.

Setting climate control to automatic mode

% To feel the effect of the climate style, the

Ã function must be active (/ page 141).

In automatic mode, the set temperature is con‐

trolled and maintained at a constant level by the

air supply.

#

Press the 0 button.

#

Press the Ã button.

Setting the rear climate control using the

multimedia system

The synchronisation function will be deactivated

if the settings for one of the other climate zones

are changed.

#

To switch to manual mode: press the H

or _ button.

Multimedia system:

4

5

Vehicle

b Climate control

Rear

Climate style

Setting the airflow

#

Climate style function

Select Airflow.

Set the airflow.

The following climate styles are available in auto‐

matic mode:

#

R

FOCUS: high airflow, slightly cooler setting

142 Climate control

Activating/deactivating the climate control

synchronisation function via the multimedia

system

Switching air-recirculation mode on/off

Activating/deactivating ionisation

#

Multimedia system:

Press the g button.

The interior air will be recirculated.

4

5

Vehicle

b Climate control

Multimedia system:

5

Ionisation

Air-recirculation mode automatically switches to

fresh air mode after some time.

% If air-recirculation mode is switched on, the

windows may mist up more quickly. Switch

on air-recirculation mode only briefly.

4

5

Vehicle

b Climate control

Ionisation cleans and refreshes the interior air of

the vehicle. Ionisation of the interior air is odour‐

less.

5

SYNC

Climate control can be set centrally using the

synchronisation function. The temperature set‐

ting will automatically be adopted for all climate

zones.

#

Activate O or deactivate ª the function.

Switching the residual heat on/off

Requirements:

Fragrance system

#

Activate O or deactivate ª the function.

Setting the fragrance system

Requirements:

R

The vehicle is parked.

Demisting the windows

R

Automatic climate control is activated.

It is possible to make use of the residual heat

from the engine to continue heating or ventilat‐

ing the front compartment of the vehicle for

approximately 30 minutes.

Windows misted up on the inside

R

The glove box is closed.

#

Press the Ã button.

Multimedia system:

#

If the windows continue to mist up: press the

4

5

Vehicle

b Climate control

¬ button.

#

To switch on: press the ! button.

5

Air freshener

Windows misted up on the outside

Residual heat is switched off automatically.

The fragrance system distributes a pleasant fra‐

grance throughout the vehicle interior from a fla‐

con located in the glove box.

#

Switch on the windscreen wipers.

#

Press the Ã button.

Climate control 143

#

To set the intensity: select High, Medium,

Low or Off.

ENVIRONMENTAL NOTE Environmental

damage due to improper disposal of full

flacons

+

Inserting or removing the flacon of the fra‐

grance system

&

WARNING Risk of injury from liquid per‐

fume

Full flacons must not be disposed

of with household waste.

#

If children open the flacon, they could drink

the liquid perfume or it could come into con‐

tact with their eyes.

#

Do not leave children unattended in the

Full flacons must be taken to

a harmful substance collection point.

vehicle.

#

Consult a doctor immediately if liquid

perfume has been drunk.

#

If liquid perfume comes into contact

with your eyes or skin, rinse your eyes

with clean water.

#

To insert: slide flacon 2 into the holder as

far as it will go.

To remove: pull out flacon 2.

#

If symptoms continue, consult a doctor.

If you do not use genuine Mercedes-Benz interior

perfumes, observe the manufacturers' safety

notices on the perfume packaging.

144 Climate control

R

Dispose of the genuine Mercedes-Benz interior

perfume flacon when it is empty and do not refill

it.

If the outside temperature changes, ventila‐

tion mode automatically switches to heating

mode or heating mode automatically

switches to ventilation mode.

#

Open a window on the windward side of

the vehicle to ensure an adequate sup‐

ply of fresh air.

Refillable flacon

The stationary heater and the exhaust gas outlet

are situated at the right-hand front wheel.

&

WARNING Risk of fire due to hot station‐

ary heater components and exhaust

gases

#

Unscrew cap 1 of empty flacon 2.

#

Fill flacon 2 with a maximum of 15 ml.

Switching the stationary heater/ventilation

on/off via the air conditioning control panel

#

Screw cap 1 back onto flacon 2.

Flammable materials such as leaves, grass or

twigs may ignite.

Always refill the empty refillable flacon with the

same perfume. Observe the separate informa‐

tion sheet attached to the flacon.

&

DANGER Risk of fatal injury due to poi‐

sonous exhaust gases

#

When the stationary heater is switched

on, make sure that:

R

hot vehicle parts do not come into

contact with flammable materials.

If the tailpipe is blocked or sufficient ventila‐

tion is not possible, poisonous exhaust gases

such as carbon monoxide may enter the vehi‐

cle. This is the case in enclosed spaces or if

the vehicle gets stuck in snow, for example.

Stationary heater/ventilation

R

the exhaust gas can flow out of the

Stationary heater/stationary ventilation

function

stationary heater exhaust pipe

unhindered.

The following functions are performed:

R

#

Always switch the stationary heater off

R

the exhaust gas does not come into

contact with flammable materials.

The air inside the vehicle is heated or ventila‐

ted to the set temperature.

in enclosed spaces without an air

extraction systems, e.g. in garages.

R

The air inside the vehicle cannot be cooled

down to temperatures below the outside

temperature.

#

Keep the tailpipe and the area around

the vehicle free from snow when the

engine or the stationary heater are run‐

ning.

Climate control 145

Switching on immediately

The stationary heater/ventilation will switch off

automatically after 50 minutes.

NOTE Battery discharge caused by sta‐

tionary heater or stationary ventilation

operation

*

Operation using the app: the stationary

heater/ventilation can also be operated via the

Mercedes me connect app. You can find further

information in the separate Owner's Manual at

https://moba.i.daimler.com/markets/ece-row/

baix/cars/connectme/en_GB/#emotions/

Startseite.html.

Operating the stationary heater or stationary

ventilation drains the battery.

#

After heating or ventilating the vehicle

twice, drive for a longer period of time.

Requirements:

Setting the stationary heater/stationary ven‐

tilation via the multimedia system

Multimedia system:

R

The fuel tank is filled to at least the reserve

level.

4

5

Vehicle

b Climate control

#

Set the desired temperature using the w

5

Auxiliary heating

button (/ page 139).

You can pre-set three departure times for auto‐

matic activation of the stationary heater.

#

Press the & button.

The red or blue indicator lamp on button will

light up or go out.

#

Press and hold the u button.

#

Select an option.

Setting the departure time

The colours of the indicator lamp have the fol‐

lowing meanings:

Setting the stationary heater/ventilation via

remote control

#

Briefly press the u button.

Requirements:

R

Blue: stationary ventilation is switched on.

#

Press the , or . button repeatedly

R

The fuel tank is filled to at least the reserve

R

until the time to be changed appears on the

display.

Red: the stationary heater is switched on.

Yellow: the departure time is preselected.

level.

Climate control -> Operating the climate control system for Your Mercedes C Class 4 Door Fourth Generation (2014-2021)

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