Mercedes Benz C-Class (W204) Training Manual: Climate Control

Thermatic 2-zone climate control (series production)

Legend

1. Increase/decrease temperature on left
2. Thermatic off
3. Mono function
4. Cooling with air dehumidification off/on
5. Defrost windows
6. Increase/decrease temperature on right
7. Air recirculation mode
8. Rear window heater
9. Increase air volume
10. Decrease air volume
11. Display
12. Air distribution
13. Automatic air distribution and volume

Features

• Sun sensor
• 2 interior temperature sensors
• 4 air outlet temperature sensors
• Evaporator temperature sensor
• Coolant circulation pump
• Blower motor front
• 5 air distribution actuator motors

3-zone Thermotronic air conditioning (SA 581)

Legend

1. Increase/decrease temperature on left
2. Automatic air distribution and air volume
3. Thermatic off/on
4. Mono function
5. Cooling with air dehumidification off/on
6. Residual heat
7. Defrost windows
8. Increase/decrease temperature on right
9. Rear window heater
10. Right air distribution
11. Increase air volume
12. Decrease air volume
13. Display
14. Left air distribution
15. Air recirculation mode

Features

• Rear automatic air conditioning operating unit
• Dew point sensor
• Emissions sensor
• Sun sensor
• 2 interior temperature sensors
• 5 air outlet temperature sensors
• Evaporator temperature sensor
• Coolant circulation pump
• Front blower motor
• Rear blower motor
• 12 air distribution actuator motors

Rear Thermotronic operating unit

Legend

1. Increase temperature
2. Decrease temperature
3. Increase air volume
4. Decrease air volume
5. Display

    N22/4  Rear Thermotronic operating unit

Dust filter, fluid reservoir

The dust filter is designed as a combination filter.

Legend

1. Unlocking
2. Dust filter
3. Air conditioner housing

    A32m1  Blower motor

Fluid reservoir (drier) on the right of the condenser.

Information for Service

The combination filter is replaced as necessary or at the latest at Service B.