Mercedes-Benz C-Class Manuals

Mercedes-Benz C-Class Owners Manual: Operating the climate control system

Mercedes-Benz C-Class Owners Manual / Climate control / Operating the climate control system

Switching climate control on/off

  • To switch on: set the airflow to level 1 or higher using the button.
  • To switch off: set the airflow to level 0 using the button.

If climate control is switched off, the windows may fog up more quickly. Switch off climate control only briefly.

Switching the A/C function on or off via the control panel

The A/C function heats, cools and dehumidifies the vehicle's interior air.

  • Press button .

Switch off the A/C function only briefly; otherwise, the windows may fog up more quickly.

Condensation may drip from the underside of the vehicle when cooling mode is active. This is not a sign that there is a malfunction.

Activating/deactivating the A/C function via the multimedia system

Multimedia system:

  • Vehicle → Climate Control → A/C

The A/C function heats, cools and dehumidifies the vehicle's interior air.

  • Activate or deactivate the function.

Setting climate control to automatic mode

In automatic mode, the set temperature is controlled and maintained at a constant level by the air supply.

  • Press the button.
  • To switch to manual mode: press the or button.

Climate style

Climate style function

In automatic mode, you can select the following climate style settings for the driver's and front passenger areas:

  • FOCUS: high airflow, slightly cooler setting
  • MEDIUM: medium airflow, standard setting
  • DIFFUSE: low airflow, slightly warmer and draft-free setting

Adjusting the climate mode settings

Multimedia system:

Vehicle → Climate Control → Climate Mode

  • Select Driver and/or Passenger.
  • Select FOCUS, MEDIUM or DIFFUSE.

To feel the effect of the climate style, the function must be active.

Overview of the air distribution settings

The symbols on the display indicate which vents the airflow is being directed through:

defroster vents

center and side air vents

footwell vents

center, side and footwell vents

defroster and footwell vents

all vents

defroster, middle and side air vents

automatic air distribution

Setting the rear climate control using the multimedia system

Multimedia system:

Vehicle → Climate Control → Rear

Setting the airflow

  • Select Airflow.

  • Set the airflow.

Setting the temperature

  • Select Temperature.

  • Set the temperature.

Activating/deactivating the climate control synchronization function via the control panel

The climate control can be operated centrally using the synchronization function. The temperature and air distribution setting for the driver side is adopted automatically for the front passenger side.

  • Press the button.

The synchronization function is deactivated if the settings for one of the other climate zones are changed.

Activating or deactivating the climate control synchronization function using the multimedia system

Multimedia system:

Vehicle → Climate Control → SYNC

The climate control can be controlled centrally using the synchronization function. The temperature setting is automatically adopted for all climate zones.

  • Activate or deactivate the function.

Removing condensation from the windows

Windows fogged up on the inside

  • Press the button.
  • If the windows continue to fog up: press the Parking button.

Windows fogged up on the outside

  • Switch on the windshield wipers.
  • Press the button.

Switching air-recirculation mode on/off

  • Press the Parking button.

    The interior air will be recirculated.

Air-recirculation mode automatically switches to fresh air mode after some time.

If air-recirculation mode is switched on, the windows may fog up more quickly. Switch on air-recirculation mode only briefly.

Switching the residual heat on or off

Requirements:

  • The vehicle is parked.

It is possible to make use of the residual heat from the engine to continue heating or ventilating the front compartment of the vehicle for approximately 30 minutes.

  • To switch on: press the button.

    Residual heat is switched off automatically.

Activating/deactivating ionization

Multimedia system:

  • Vehicle → Climate Control → Ionization

Ionization cleans and refreshes the interior air of the vehicle. The ionization of the interior air is odorless.

  • Activate or deactivate the function.

Fragrance system

Setting the fragrance system

Requirements:

  • Automatic climate control is activated.
  • The glove box is closed.

Multimedia system:

Vehicle → Climate Control → Air Freshener

The fragrance system distributes a pleasant fragrance throughout the vehicle interior from a flacon located in the glove box.

  • To set the intensity: select High, Medium, Low or Off.

Inserting or removing the flacon of the fragrance system

WARNING Risk of injury from liquid perfume
If children open the flacon, they could drink the liquid perfume or it could come into contact with their eyes.
  • Do not leave children unattended in the 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.
  • If symptoms continue, consult a doctor.

 

ENVIRONMENTAL NOTE Environmental damage due to improper disposal of full flacons
Full flacons must not be disposed of with household waste.

Full flacons must be taken to a harmful substance collection point.

Operating the climate control system

  • To insert: slide flacon 2 into the holder as far as it will go.
  • To remove: pull out flacon 2.

If you do not use genuine Mercedes-Benz interior perfumes, observe the manufacturers' safety notices on the perfume packaging.

Dispose of the genuine Mercedes-Benz interior perfume flacon when it is empty and do not refill it.

Refillable flacon

  • Unscrew cap 1 of empty flacon 2.
  • Fill flacon 2 with a maximum of 0.5 fl. oz.(15 ml).
  • Screw cap 1 back onto flacon 2.

Always refill the empty refillable flacon with the same perfume. Observe the separate information sheet attached to the flacon.

Air vents

Adjusting the front air vents

WARNING ‑ Danger of burns or frostbite due to being too close to the air vents
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.

  • Make sure that all vehicle occupants always maintain a sufficient distance to the air vents.
  • If necessary, direct the airflow to another area of the vehicle interior.

To guarantee the flow of fresh air through the air vents into the vehicle interior, comply with the following:

  • Always keep the vents and the ventilation grille in the vehicle interior free.
  • Keep the air inlet free of deposits.

Operating the climate control system

  • To open or close: hold air vent 1 in the center and turn it to the left (open) or right (closed) as far as it will go.
  • To adjust the air direction: hold air vent 1 in the center and move it up or down or to the left or right.

Adjusting the rear air vents

Operating the climate control system

  • To open or close: turn controller 2 to the left or right as far as it will go.
  • To adjust the air direction: hold air vent 1 in the center and move it up or down or to the left or right.
    Overview of climate control systems

    Driving and parking

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