Component Location Overview - Display Control Head, CLIMATRONIC
An indicator lamp inside the controls indicates when the selected function is on. In addition to this, whenever a button or a control is selected, the function will briefly appear in the radio or radio/navigation system display.
To change from °C and °F in the radio or radio/navigation system display, go to the main menu in the instrument cluster. Call up the main menu with the rocker switch (or multifunction steering wheel) in the windshield wiper lever. The select settings, units and temperature.
If a new Heater and A/C Controls -EX21- with Climatronic Control Module -J255- was installed, perform the Guided Fault Finding or Guided Functions , the basic setting and adaptation A/C compressor first start .
If the indicator lamp does not turn on after pressing the A/C button, there may be an error stored in the control module. Call up the DTC memory using the Vehicle Diagnostic Tester. If the DTC memory entry A/C compressor first start not performed is present, then is it necessary to perform a basic setting and an adaptation A/C compressor first start in Guided Fault Finding.
Pressing the button AUTO will reverse all settings which deviate from the automode.
If there are differences from automode, see the corresponding user guide.
When the OFF button is activated, the Climatronic is not operating. There is no heating or ventilation.
When the OFF button is deactivated, the Climatronic works.
The A/C button is pressed and the A/C compressor is on. The heating and ventilation continues to be controlled electronically.
If the A/C button is deactivated, the A/C compressor is set to almost 0 delivery. The heating and ventilation continues to be controlled electronically.
Depending on the equipment version, not all the buttons are used and the layout may vary.
- Left Temperature Display
- Shows the set temperature for the driver side
- Left Seat Heating Button -E653-
- Optional
- The seat heater has 3 settings. The LED indicates the current setting.
- If no LED is illuminated, the seat heating is switched off.
- Windshield Air Distribution Button
- The LED illuminates when the setting is active
- Center Air Distribution Button
- Air distribution to the upper body via the center vents
- The LED illuminates when the setting is active
- Lower Air Distribution Button
- Air distribution in the footwell
- The LED illuminates when the setting is active
- Recirculation Mode Button
- The LED illuminates when the setting is active
- Manual and automatic recirculating air mode
- Pressing the button will switch the system to recirculating air mode and polluted air is prevented from entering the vehicle interior.
Recirculating air mode is switched on automatically under the following conditions:
- When the operating the windshield washer system,
- When the Air Quality Sensor -G238- is activated.
- When reverse gear is engaged (this function is only active for two minutes after the engine is started).
- Blower speed on the Heater and A/C Controls -EX21- off
- Heater and A/C Controls -EX21- "OFF".
- Right Seat Heating Button -E654-
- Optional
- The seat heater has 3 settings. The LED indicates the current setting.
- If no LED is illuminated, the seat heating is switched off.
- Right Temperature Display
- Shows the set temperature for the front passenger side
- Max A/C
Button
- The LED illuminates when the setting is active
- The A/C system will run with the maximum cooling output
- A/C
Button
- The LED illuminates when the setting is active
- If the A/C button is deactivated, the A/C compressor will be set close to zero delivery. If the AUTO button is active, the heating and ventilation will continue to be controlled. electronically
- Right Temperature Control Knob
- The selected temperature will be shown in the display
- Sync
Button
- The LED illuminates when the setting is active
- Synchronization of the climate zones to the driver value
- Low Blower Speed
- Only for display, no function
- AUTO
Button
- The LED illuminates when the setting is active
- In auto mode, the Climatronic holds the selected vehicle temperature automatically. For this, the temperature of the blowing air, blower speed and air distribution is automated.
- SETUP
button
- Pressing the SETUP button calls up the climate control menu for adjustment for example of the recirculating air mode, and default functions.
- Blower Adjustment Knob
- By turning the knob, the blower speed can be individually adjusted.
- If the blower speed is manually adjusted, the AUTO function is automatically deactivated.
- High Blower Speed
- Only for display, no function
- Immediate Heating Button -- button for parking/auxiliary heater on/off or OFF
button for the A/C system on/off
- Depending on the equipment
- When the OFF button is activated, the Climatronic is not working, there is no heating or ventilation.
- MAX Defrost Button
- Air intake from the outside is directed to the windshield and the recirculating air mode will switch off automatically if it is switched on.
- In order to remove fog from front windshield quickly, the air temperature must be dehumidified above 1.5 °C (35 °F), the A/C compressor switched on and the blower must set to the highest speed.
- Rear Window Defogger Button
- The LED illuminates when the setting is active
- It only functions when the engine is running and switches off automatically after 10 minutes
- Left Thermostat Adjustment Knob
- The selected temperature will be shown in the display