C 240 Wagon W203 V6-2.6L M112 (2003): Heating and Air Conditioning

Also for this vehicle: C 230 (202.023) L4-2.3L (111.974) (1998), C 230 (203.040) L4-1.8L SC (271.948) (2005), C 230 (203.052) V6-2.5L (272.920) (2007), C 230 CL (203.740) L4-1.8L SC (271.948) (2003), C 230K (202.024) L4-2.3L SC (111.975) (2001), C 240 4MATIC Sedan (203.081) V6-2.6L (112.916) (2005), C 240 4MATIC Wagon (203.281) V6-2.6L (112.916) (2003), C 240 Sedan (203.061) V6-2.6L (112.912) (2002), C 280 (202.028) L6-2.8L (104.941) (1994), C 280 (202.029) V6-2.8L (112.920) (1999), C 280 (203.054) V6-3.0L (272.940) (2006), C 280 4MATIC (203.092) V6-3.0L (272.941) (2007), C 300 (204.054) V6-3.0L (272.947) (2008), C 320 4MATIC Sedan (203.084) V6-3.2L (112.953) (2003), C 320 CL (203.764) V6-3.2L (112.946) (2004), C 320 Sedan (203.064) V6-3.2L (112.946) (2001), C 320 Wagon (203.264) V6-3.2L (112.946) (2004), C 350 (203.056) V6-3.5L (272.960) (2006), C 350 (204.056) V6-3.5L (272.961) (2008), C 350 4MATIC (203.087) V6-3.5L (272.970) (2007), C 43 AMG (202.033) V8-4.3L (113.944) (1998), C 55 AMG (203.076) V8-5.5L (113.988) (2006), CLS 55 AMG (219.376) V8-5.5L SC (113.990) (2006), CLS 550 (219.372) V8-5.5L (273.960) (2007).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
- Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information52 pages
  - Technical Service Bulletins14 pages
    Customer Interest for Air Door Actuator / Motor:7 pages
    P-83_00-79B › Oct › 08 › A/C - Ticking Noise From The Dash2
    P-83_00-78B › Oct › 08 › A/C - Ticking/Whistling Noises From Dash Area2 3 4 5
    All Technical Service Bulletins for Air Door Actuator / Motor:7 pages
    P-83_00-79B › Oct › 08 › A/C - Ticking Noise From The Dash2
    P-83_00-78B › Oct › 08 › A/C - Ticking/Whistling Noises From Dash Area2 3 4 5
  - Locations › Recirculated Air Flap Actuator2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
  - Service and Repair › AR83.10-P-2001P Remove/Install Actuator For Fresh and Recirculated Air Flaps2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
- Air Duct › Component Information › Description and Operation2
- Air Register › Component Information › Service and Repair › AR68.10-P-1100P Remove/Install Side Air Nozzle2 3 4
- Ambient Temperature Sensor / Switch HVAC › Component Information › Locations
- Auxiliary Cabin Heater › Component Information95 pages
  - Specifications › Electrical Specifications2 3
  - Description and Operation › Stationary Heater (STH) System2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…80
  - Service and Repair › Procedures2 3 4 5 6 7 8 9 10 11 12
- Auxiliary Water Pump › Component Information7 pages
- Blower Motor › Component Information › Technical Service Bulletins4 pages
  - Customer Interest for Blower Motor: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
  - All Technical Service Bulletins for Blower Motor: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
- Blower Motor Relay › Component Information › Technical Service Bulletins4 pages
  - Customer Interest for Blower Motor Relay: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
  - All Technical Service Bulletins for Blower Motor Relay: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
- Blower Motor Resistor › Component Information › Technical Service Bulletins8 pages
  - Customer Interest: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
  - All Technical Service Bulletins: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
  - All Other Service Bulletins for Blower Motor Resistor: › LI05-20_P-047463 › Jul › 09 › Engine Controls - MIL ON/DTC P2034 Stored2 3 4
  - All Other Service Bulletins for Blower Motor Resistor: › LI05-20_P-047463 › Jul › 09 › Engine Controls - MIL ON/DTC P2034 Stored
- Cabin Air Filter › Component Information6 pages
- Cabin Ventilation Grille › Component Information › Service and Repair › AR83.25-P-1402P Remove/Install Water Collector2
- Climate Control Exhaust Gas Sensor › Component Information › Locations2 3
- Compressor HVAC40 pages
  - Compressor Control Valve Assembly › Component Information › Locations2
  - Compressor Pulley › Component Information38 pages
    Technical Service Bulletins28 pages
    Customer Interest for Compressor Pulley:14 pages
    S-83_55-87F › Mar › 09 › A/C - Various Compressor Noise With A/C ON2 3 4 5 6 7
    P-83_55-87B › Nov › 07 › A/C - Compressor/Drive Belt Noise2 3 4 5 6 7
    All Technical Service Bulletins for Compressor Pulley:14 pages
    S-83_55-87F › Mar › 09 › A/C - Various Compressor Noise With A/C ON2 3 4 5 6 7
    P-83_55-87B › Nov › 07 › A/C - Compressor/Drive Belt Noise2 3 4 5 6 7
    Description and Operation › GF83.55-P-2103-02P Belt Pulley, Function2 3
    Service and Repair › SM83.55-P-0002A Replace Refrigerant Compressor Belt Pulley2 3 4 5 6 7
- Condenser HVAC › Component Information › Description and Operation2 3
- Control Assembly, HVAC › Component Information11 pages
- Control Module HVAC › Component Information17 pages
  - Technical Service Bulletins14 pages
    All Technical Service Bulletins for Control Module HVAC:7 pages
    P-83_00-70D › Apr › 09 › A/C - A/C Lamp Flashing/A/C Inoperative2 3
    S-83_00-161 › Apr › 08 › A/C - Control Module/Control Functions/Diagnostics
    P-83_30-95 › May › 07 › A/C - Control Unit is Inoperative2
    P-83_30-58 › Jan › 02 › Automatic Temperature Control - Inoperative
    Customer Interest:4 pages
    P-83_00-70D › Apr › 09 › A/C - A/C Lamp Flashing/A/C Inoperative2 3
    P-83_30-58 › Jan › 02 › Automatic Temperature Control - Inoperative
    All Other Service Bulletins for Control Module HVAC:3 pages
    S-83_00-161 › Apr › 08 › A/C - Control Module/Control Functions/Diagnostics
    P-83_30-95 › May › 07 › A/C - Control Unit is Inoperative2
  - Locations › AAC Pushbutton Control Module2 3
- Evaporator Core › Component Information29 pages
- Evaporator Drain Tube › Component Information › Testing and Inspection
- Evaporator Temperature Sensor / Switch › Component Information3 pages
  - Locations
  - Description and Operation › GF83.57-P-2102-02P Evaporator Temperature Sensor, Function2
- Expansion Valve › Component Information › Description and Operation › GF83.40-P-2123-01P Expansion Valve, Function2 3
- Heater Core › Component Information4 pages
  - Locations
  - Description and Operation › STH Heater Core2 3
- High Pressure Safety Valve HVAC › Component Information3 pages
  - Locations
  - Description and Operation › GF83.55-P-2104-02P Pressure Relief Valve, Function2
- Hose/Line HVAC › Component Information › Technical Service Bulletins8 pages
  - Customer Interest for Hose/Line HVAC: › LI83-00_P-047480 › Jul › 09 › A/C - No Or Insufficient Cooling Output2 3 4
  - All Technical Service Bulletins for Hose/Line HVAC: › LI83-00_P-047480 › Jul › 09 › A/C - No Or Insufficient Cooling Output2 3 4
- Housing Assembly HVAC › Component Information10 pages
  - Locations2
  - Service and Repair › AR83.25-P-1000P Remove/Install Heater Housing2 3 4 5 6 7 8
- Humidity Sensor › Component Information › Locations2
- Receiver Dryer › Component Information7 pages
  - Service and Repair › AR83.30-P-6521P Remove/Install Drier Cartridge2 3 4 5
  - Tools and Equipment › Special Tools2
- Refrigerant › Component Information23 pages
  - Technical Service Bulletins14 pages
    Customer Interest: › S-83_55-118 › Mar › 09 › A/C - No Or Low A/C Cooling Performance2 3 4 5 6
    All Technical Service Bulletins for Refrigerant:7 pages
    S-83_55-118 › Mar › 09 › A/C - No Or Low A/C Cooling Performance2 3 4 5 6
    P-83_00-97A › Sep › 07 › A/C - Fluorescent Dye Leak Testing
    All Other Service Bulletins for Refrigerant: › P-83_00-97A › Sep › 07 › A/C - Fluorescent Dye Leak Testing
  - Specifications › Capacity Specifications2
  - Service and Repair › AR83.30-P-5251P Correct Fluid Level In the Air Conditioning System In the Case of Repair or Slow Refrigerant Loss2 3 4 5 6 7
- Refrigerant Oil › Component Information23 pages
  - Technical Service Bulletins12 pages
    All Technical Service Bulletins for Refrigerant Oil: › S-83_55-118 › Mar › 09 › A/C - No Or Low A/C Cooling Performance2 3 4 5 6
    Customer Interest for Refrigerant Oil: › S-83_55-118 › Mar › 09 › A/C - No Or Low A/C Cooling Performance2 3 4 5 6
  - Specifications › Capacity Specifications2 3 4 5 6 7 8 9 10 11
- Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations2 3 4 5
- Refrigerant Temperature Sensor › Component Information › Locations2 3 4 5
- Refrigerator › Component Information › Service and Repair
- Relays and Modules - HVAC36 pages
  - Blower Motor Relay › Component Information › Technical Service Bulletins8 pages
    Customer Interest: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
    All Technical Service Bulletins: › P-83_25-76C › Sep › 07 › A/C - Blower Motor Inoperative/DTC 09460 Set2
    All Other Service Bulletins for Blower Motor Relay: › LI05-20_P-047463 › Jul › 09 › Engine Controls - MIL ON/DTC P2034 Stored2 3 4
    All Other Service Bulletins for Blower Motor Relay: › LI05-20_P-047463 › Jul › 09 › Engine Controls - MIL ON/DTC P2034 Stored
  - Control Module HVAC › Component Information28 pages
    Technical Service Bulletins25 pages
    Customer Interest:4 pages
    P-83_00-70D › Apr › 09 › A/C - A/C Lamp Flashing/A/C Inoperative2 3
    P-83_30-58 › Jan › 02 › Automatic Temperature Control - Inoperative
    All Technical Service Bulletins:7 pages
    P-83_00-70D › Apr › 09 › A/C - A/C Lamp Flashing/A/C Inoperative2 3
    S-83_00-161 › Apr › 08 › A/C - Control Module/Control Functions/Diagnostics
    P-83_30-95 › May › 07 › A/C - Control Unit is Inoperative2
    P-83_30-58 › Jan › 02 › Automatic Temperature Control - Inoperative
    All Other Service Bulletins for Control Module HVAC: › LI01-45_P-047548 › Aug › 09 › Engine - Oil Level Message General Information2 3 4 5 6 7 8 9 10 11 12 13 14
    All Other Service Bulletins for Control Module HVAC: › LI01-45_P-047548 › Aug › 09 › Engine - Oil Level Message General Information
    Locations › AAC Pushbutton Control Module2 3
- Sensors and Switches - HVAC22 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information › Locations
  - Climate Control Exhaust Gas Sensor › Component Information › Locations2 3
  - Evaporator Temperature Sensor / Switch › Component Information3 pages
    Locations
    Description and Operation › GF83.57-P-2102-02P Evaporator Temperature Sensor, Function2
  - Humidity Sensor › Component Information › Locations2
  - Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations2 3 4 5
  - Refrigerant Temperature Sensor › Component Information › Locations2 3 4 5
  - Solar Sensor, HVAC › Component Information3 pages
    Locations
    Description and Operation › GF83.57-P-2104-01P Sun Sensor, Function2
- Service Port HVAC › Component Information › Service and Repair › AR83.30-P-6522P Remove/Install Service Valve2 3 4
- Solar Sensor, HVAC › Component Information3 pages
  - Locations
  - Description and Operation › GF83.57-P-2104-01P Sun Sensor, Function2
- Sound Pad / Under-Dash Noise Barrier › Component Information › Technical Service Bulletins6 pages
  - All Technical Service Bulletins for Sound Pad / Under-Dash Noise Barrier: › P-94_20-05C › Jun › 07 › Interior - Strong Oily or Vinegar Like Odors2 3
  - Customer Interest for Sound Pad / Under-Dash Noise Barrier: › P-94_20-05C › Jun › 07 › Interior - Strong Oily or Vinegar Like Odors2 3
- Wiring Harness HVAC › Component Information › Service and Repair › AR54.18-P-0070PA Remove/Install Air Conditioning Wiring Harness2 3 4
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections