Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car



Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
- Cooling systems, heating
   Specifications
   + Engine cooling system
   - Systems of ventilation, heating and air conditioning
      Casing of the fan and ventilatory assembly - installation details (on the example of petrol model with the engine of the M120.980/982 series)
      The air conditioning system - additional information and precautionary measures
      Arrangement of basic elements of the automatic air conditioning system
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
+ Automatic transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment






Arrangement of basic elements of the automatic air conditioning system

Arrangement of basic elements of the automatic air conditioning system

The compressor of the conditioner of air is located in a motive compartment (the left forward corner of the power unit)

The driving electric motor of the fan of systems of heating/ventilation/air conditioning is located under a cover in the right part of a motive compartment

The driving electric motor of the fan of a back heater is in a back part of forward section of the central console

The regulator of the K/V fan is located under a cover in a back part of a motive compartment

The regulator of the fan back To/in is in a back part of forward section of the central console

The reception branch pipe of a heater is in the left forward corner of a motive compartment, on a mudguard (the auxiliary water pump and the dvukhkhodovy valve are a part of assembly)

The reception branch pipe of a back additional heater is located in a back part of an arch of the right forward wheel

The left additional fan is fixed in the left forward corner of a motive compartment, ahead of a radiator

The sensor of pressure of KV coolant is located in the left forward corner of a motive compartment, behind a block headlight, on assembly of a receiver dehumidifier

The sensor of temperature of coolant of the K/V system is in the left forward corner of a motive compartment, behind a block headlight, on assembly of a receiver dehumidifier

The back valve of a cut-off of K/V coolant is in an arch of the left back wheel, in a wing, under an external molding (in a picture only the top part of the valve is visible)

The right back sensor of temperature of the heat exchanger of a heater is located in a back part of forward section of the central console

The left sensor of temperature of the heat exchanger of a heater is located under the central section of finishing of the dashboard, on a heater casing

The sensor of temperature of the back evaporator is in a back part of forward section of the central console

The sensor of temperature of external air is in the left corner of a front bumper

The sensor of sunlight is located in the central part of the dashboard, under a windshield

The air temperature sensor in salon is built in assembly of the saloon lamp





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