Section 249 (Climate Control -- C300 (204.054))
WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.
- General Information
- Notes on handling refrigerant R134a - AH83.30-N-0003-01A
- Procedure for a damaged or leaky air conditioning system - AH83.30-N-0004-01A
- Protect air conditioning circuit and components from moisture when carrying out repair work - AH83.30-N-0005-01A
- Notes on retrofitting an air conditioning system - AH83.30-P-0001-02A
- Repair work for defective refrigerant circuit - AH83.30-P-1782-01A
- Basic Knowledge
- Ventilation system, function - GF83.10-P-2000CE
- Ventilation system, function - GF83.10-P-2000CW
- Blower, component description - GF83.10-P-2050CW
- Blower regulator, component description - GF83.10-P-2051CW
- Pollutant sensor, component description - GF83.10-P-2191CW
- Rear blower motor, component description - GF83.10-P-4160CW
- Heating system heat exchanger, component description - GF83.20-P-3123CW
- Dew point sensor, component description - GF83.30-P-2129CW
- Automatic air conditioning, location of components - GF83.40-P-0005-01CW
- Automatic air conditioning block diagram - GF83.40-P-0005-02CW
- Automatic air conditioning, function - GF83.40-P-0005CE
- Automatic air conditioning, function - GF83.40-P-0005CW
- Table of contents for automatic climate control function description - GF83.40-P-0995CE
- Table of contents for function description, automatic air conditioning - GF83.40-P-0995CW
- Regulation of Automatic air conditioning, function - GF83.40-P-2004CE
- Regulation of automatic air conditioning, function - GF83.40-P-2004CW
- Automatic air conditioning refrigerant circuit, function - GF83.40-P-2005CE
- Automatic air conditioning refrigerant circuit, function - GF83.40-P-2005CW
- Condenser, component description - GF83.40-P-2188CW
- Evaporator, component description - GF83.40-P-2189CW
- Expansion valve, component description - GF83.40-P-2190CW
- Fluid reservoir, component description - GF83.40-P-2196CW
- Automatic air conditioning actuator motors, component description - GF83.40-P-2197CWA
- Automatic air conditioning actuator motors, component description - GF83.40-P-2197CWB
- Refrigerant pressure sensor, component description - GF83.40-P-2202CW
- Component description for automatic air conditioning control and operating unit - GF83.40-P-3000CEA
- Component description for automatic air conditioning control and operating unit - GF83.40-P-3000CEB
- Automatic air conditioning control and operating unit, component description - GF83.40-P-3000CWA
- Automatic air conditioning control and operating unit, component description - GF83.40-P-3000CWB
- Overview of automatic climate control system components - GF83.40-P-9995CE
- Overview of automatic climate control system components - GF83.40-P-9995CW
- A/C compressor, component description - GF83.55-P-2109CW
- Sun sensor, component description - GF83.57-P-2128CW
- Air outlet temperature sensor, component description - GF83.57-P-2130CW
- Interior temperature sensor, component description - GF83.57-P-2131CW
- Evaporator temperature sensor, component description - GF83.57-P-2132CW
- Outside temperature sensor, component description - GF83.57-P-4006CW
- Stationary heater (STH), function - GF83.70-P-0006CE
- Table of contents: Function description of stationary heater (STH) - GF83.70-P-0996CE
- Stationary heater control unit, component description - GF83.70-P-4066CE
- Overview of system components for stationary heater (STH) - GF83.70-P-9996CE
- Coolant circulation pump, component description - GF83.75-P-2112CW
- Safety Precautions
- Risk of explosion. Explosions may result when performing welding or soldering work on a closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant. - AS83.00-Z-0001-01A
- Safety information: Climate control - AS83.00-Z-9999ZZ
- Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit - AS83.70-Z-0002-01A
- Testing & Repair
- Remove/install air recirculation unit, detailed information - AR83.10-P-0100-01CW
- Air recirculation unit, remove/install - AR83.10-P-0100CW
- Remove/install actuator motor for fresh and recirculated air flaps - AR83.10-P-2001CW
- Remove/install actuator motor for left defroster flap - AR83.10-P-2004CW
- Remove/install actuator motor for left defroster flap - AR83.10-P-2004CWA
- Remove/install actuator motor for right defroster vent flap - AR83.10-P-2005CW
- Remove/install actuator motor for left footwell flap - AR83.10-P-2006CW
- Remove/install actuator motor for right footwell flap - AR83.10-P-2007CW
- Remove/install center air outlet flap actuator motor - AR83.10-P-2019CW
- Remove/install blend air flap actuator motor - AR83.10-P-2026CW
- Remove/install blend air flap actuator motor - AR83.10-P-2026CWA
- Remove/install air distribution actuator motor - AR83.10-P-2027CW
- Remove/install the left rear blend air flap actuator motor - AR83.10-P-2028CW
- Remove/install diffuser flap actuator motor - AR83.10-P-2030CW
- Remove/install ram air flap actuator motor - AR83.10-P-2031CW
- Remove and install center air vent - AR83.10-P-4503CW
- Remove and install center air vent - AR83.10-P-4503CWA
- Remove/install side air vent - AR83.10-P-4740CW
- Remove/install rear air vent - AR83.10-P-4800CW
- Remove and install heat exchanger - AR83.25-P-1100CW
- Remove/install/replace heater circulation pump - AR83.25-P-1170CW
- Remove and install electronic blower control unit - AR83.25-P-1220EL
- Remove and install electronic blower control unit - AR83.25-P-1220EW
- Drain, evacuate and recharge air conditioning, check for proper operation and check for leaks - AR83.30-P-1760CW
- Check air conditioning system for leakage - AR83.30-P-1761PS
- Check air conditioning system for leakage - AR83.30-P-1761UV
- Repair refrigerant circuit - AR83.30-P-1782A
- Remove/install air conditioner housing - AR83.30-P-5200CW
- Correct oil level in air conditioning system in the event of repair or slow refrigerant loss - AR83.30-P-5251PB
- Correct oil level in air conditioning system after replacing parts - AR83.30-P-5252PB
- Correct oil level in air conditioning system if system is suddenly drained - AR83.30-P-5253PB
- Remove/install refrigerant pressure sensor - AR83.30-P-5430CW
- Remove/install expansion valve - AR83.30-P-5520CW
- Remove/install evaporator - AR83.30-P-5540CW
- Check evaporator for leaks - AR83.30-P-5550Q
- Cleaning the evaporator - AR83.30-P-5555T
- Clean evaporator and air conditioning system on inside - AR83.30-P-5556A
- Remove/install air conditioning blower motor - AR83.30-P-5560CW
- Remove/install air conditioning blower motor - AR83.30-P-5560EL
- Remove/install rear blower motor - AR83.30-P-5565EW
- Remove/install desiccant cartridge - AR83.30-P-6521CW
- Remove/install valve insert on service valve - AR83.30-P-6523CW
- Remove/install condenser - AR83.30-P-6540CW
- Remove and install evaporator temperature sensor - AR83.30-P-8085CW
- Remove/install control and operating unit - AR83.40-P-6350CW
- Remove/install control and operating unit - AR83.40-P-6350ELH
- Remove/install emissions sensor - AR83.40-P-6710CW
- Remove and install sun sensor - AR83.40-P-6720CW
- Remove and install air humidity sensor - AR83.40-P-6740CW
- Remove/install refrigerant compressor - AR83.55-P-5300CW
- Check condensation water drainage hoses for blockages - AR83.65-P-2370A
- Remove/install heater unit - AR83.70-P-5302CW
- Remove/install fuel metering pump - AR83.70-P-5652EW
- Maintenance
- Capacities & Specifications
- Torque Specifications
- Wiring Diagrams
- Overview of wiring diagrams for climate control - PE83.00-P-1100FAA
- Electric wiring diagrams: Passenger cars: Climate control - PE83.00-Z-9999AZ
- Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052-97FAA
- Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052-97FAB
- Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052-99FAA
- Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052FAA
- Electrical function schematic for automatic air conditioning, input signals - PE83.40-P-2052FAB
- Electrical function schematic for automatic air conditioning, actuation - PE83.40-P-2053-97FAA
- Electrical function schematic for automatic air conditioning, actuation - PE83.40-P-2053-97FAB
- Electrical function schematic for automatic air conditioning, actuation - PE83.40-P-2053-99FAA
- Electrical function schematic for automatic air conditioning, actuation - PE83.40-P-2053FAA
- Electrical function schematic for automatic air conditioning, actuation - PE83.40-P-2053FAB
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAA
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAB
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAC
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-97FAD
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-99FAA
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101-99FAB
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101FAA
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101FAB
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101FAC
- Wiring diagram for automatic air conditioning (AAC) control unit - PE83.40-P-2101FAD
- Electrical function schematic, teach-in of stationary heater radio remote control transmitter - PE83.70-P-2052-97FAA
- Electrical function schematic, teach-in of stationary heater radio remote control transmitter - PE83.70-P-2052FAA
- Electrical function schematic, programming departure time - PE83.70-P-2057-97FAA
- Electrical function schematic, programming departure time - PE83.70-P-2057FAA
- Electrical function schematic, trigger heating mode for departure time - PE83.70-P-2058-97FAA
- Electrical function schematic, trigger heating mode for departure time - PE83.70-P-2058FAA
- Electrical function schematic, trigger immediate mode - PE83.70-P-2059-97FAA
- Wiring diagram for stationary heater (STH) control unit - PE83.70-P-2101-97FAA
- Wiring diagram for stationary heater (STH) control unit - PE83.70-P-2101FAA
- Special Tools