300SD W140 L6-3.5L DSL Turbo OM603 (1993): Heating and Air Conditioning

Also for this vehicle: 300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982), 300CE (124.050) L6-3.0L (103.983) (1989), 300CE (124.051) L6-3.0L (104.980) (1990), 300CE (124.052) L6-3.2L (104.992) (1993), 300D (123.133) L5-3.0L DSL Turbo (617.952) (1984), 300D (124.128) L5-2.5L DSL Turbo (602.962) (1991), 300D (124.133) L6-3.0L DSL Turbo (603.960) (1987), 300E (124.026) L6-2.6L (103.940) (1990), 300E (124.030) L6-3.0L (103.983) (1986), 300E (124.032) L6-3.2L (104.992) (1993), 300E 4MATIC (124.230) L6-3.0L (103.985) (1990), 300SD (126.120) L5-3.0L DSL Turbo (617.951) (1982), 300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987), 300SE (126.024) L6-3.0L (103.981) (1989), 300SE (140.032) L6-3.2L (104.990) (1992), 300SEL (126.025) L6-3.0L (103.981) (1988), 300SL (129.061) L6-3.0L (104.981) (1991), 300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984), 300TE (124.090) L6-3.0L (103.983) (1989), 300TE 4MATIC (124.290) L6-3.0L (103.985) (1991), 350SDL (126.135) L6-3.5L DSL Turbo (603.970) (1990), 380SEC (126.043) V8-3.8L (116.963) (1982), 380SL (107.045) V8-3.8L (116.960) (1982).

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, HVAC13 pages
  - Air Door Actuator / Motor, HVAC › Component Information › Specifications2 3
  - Air Door Cable, HVAC › Component Information › Application and ID
  - Air Door Vacuum Solenoid Valve, HVAC › Component Information9 pages
    Locations2 3 4 5 6
    Service and Repair › Removing/Installing Switchover Valve Block (Y11)2 3
- Air Duct › Component Information › Diagrams
- Air Register › Component Information8 pages
  - Locations › With Rear Climate Control2
  - Service and Repair › Remove/Install Center Air Nozzle2 3 4 5 6
- Ambient Temperature Sensor / Switch HVAC › Component Information › Technical Service Bulletins › Outside Temperature Indicator Unrealistic Values2 3
- Aspirator, HVAC › Component Information › Testing and Inspection
- Auxiliary Water Pump › Component Information5 pages
  - Locations › Coolant Circulation Pump - A31m12
  - Service and Repair › Remove/Install Circulation Pump (A31m1)2 3
- Auxiliary Water Pump Relay › Component Information › Locations
- Blower Motor › Auxiliary Blower Motor › Component Information › Technical Service Bulletins › Auxiliary Blowers Run Continuously in Stage 32
- Blower Motor Resistor › Component Information11 pages
- Cabin Air Filter › Component Information9 pages
- Cabin Temperature Sensor / Switch › Component Information › Specifications2 3 4
- Cabin Ventilation Duct › Component Information › Locations
- Compressor HVAC22 pages
  - Compressor Clutch › Component Information20 pages
    Technical Service Bulletins › A/C - Remanufactured Compressors/Clutches Availability2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    Specifications › Clearance Specifications2
    Locations › Compressor Clutch2
  - Compressor Clutch Coil › Component Information › Specifications2
- Compressor Speed Sensor, HVAC › Component Information › Specifications2 3 4
- Condenser HVAC › Component Information › Specifications2 3
- Condenser Fan › Component Information9 pages
  - Specifications › Electrical Specifications2
  - Diagrams › Diagram Information and Instructions2 3 4 5 6 7
- Condenser Fan Motor Relay, HVAC › Component Information › Locations
- Condenser Fan Resistor › Component Information10 pages
  - Locations › Auxiliary Fan Preresistors2 3
  - Diagrams › Diagram Information and Instructions2 3 4 5 6 7
- Control Assembly, HVAC › Component Information23 pages
- Control Module HVAC › Component Information › Technical Service Bulletins › Auto. A/C REST Function Switches ON, Drains Battery2
- Evaporator Core › Component Information10 pages
  - Specifications2 3 4
  - Service and Repair › Remove/Install Evaporator2 3 4 5 6
- Evaporator Drain Tube › Component Information › Testing and Inspection
- Evaporator Temperature Sensor / Switch › Component Information › Technical Service Bulletins › Occasional Air Conditioner Failure
- Expansion Block/Orifice Tube › Component Information5 pages
  - Locations › Up to 01/93 (VIN 128373)2
  - Service and Repair › Up to 01/93 (VIN 128373)2 3
- Expansion Valve › Component Information › Specifications2 3
- Heater Control Valve › Component Information › Service and Repair
- Heater Core › Component Information4 pages
  - Technical Service Bulletins › Odors From ACC System in Heating Mode
  - Service and Repair › Remove and Install Heat Exchanger2 3
- Heater Core Temperature Sensor / Switch › Component Information5 pages
- Hose/Line HVAC › Component Information › Specifications
- Housing Assembly HVAC › Component Information › Service and Repair › Automatic Air Conditioning Housing2 3 4 5 6 7 8
- Receiver Dryer › Component Information › Specifications2 3 4
- Refrigerant › Component Information60 pages
- Refrigerant Control Solenoid Valve › Component Information › Locations2
- Refrigerant Oil › Component Information23 pages
  - Technical Service Bulletins12 pages
    Customer Interest for Refrigerant Oil: › 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 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 › Specifications › Electrical Specifications2
- Refrigerant Temperature Sensor › Component Information › Technical Service Bulletins › EC Lamp ON, Cannot Be Shut OFF
- Relays and Modules - HVAC4 pages
- Sensors and Switches - HVAC20 pages
- Service Port HVAC › Component Information › Locations › Engine Compartment View2
- Sight Glass, HVAC › Component Information › Locations
- Vacuum Reservoir HVAC › Component Information › Locations
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