Mercedes S-Class W-140
1991-1999 of release
Repair and operation of the car
+ Mercedes-Benz cars of the class S (W-140)
- Operation manual
+ Access, protection
+ Elements of security systems
+ Car equipment, arrangement of devices and governing bodies
+ Methods of operation and auxiliary systems
+ Routine maintenance
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
+ Automatic transmission
+ Brake system
+ Suspension bracket and steering
+ Onboard electric equipment
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The automated air conditioning system (climate control)
General informationThe automated air conditioning system which is included in a basic equipment of all models functions only at the working engine. At the choice of economy mode (EC), the cooling system does not work.
Transition to the chosen temperature condition is always made with the maximum possible speed.
The design allows to support systems an individual microclimate on both sides of salon.
The connected filter which is built in an entrance path provides protection of salon against penetration in it of dust and pollen of plants.
General comments on functioning of the K/V systemFunctioning of the K/V system can lead to formation of condensate under the car bottom, - education under the parked car of a small pool in hot weather should not cause concerns.
In a hot sunny weather before a start of motion it is necessary to air the interior of the car heated by the sun.
You watch that air vents in space between the back shelf and back glass of the car remained open.
In the winter before a start of motion clean from snow an air inlet lattice before a car windshield.
In case of leak of coolant functioning To/in automatically stops and the system switches in economy mode.
Governing bodiesScheme of distribution of an air stream and elements of management of an output stream of a forward air path
The air supply air duct nozzle deflector in a back part of salon (model without back conditioner)
Deflectors snuffled an air supply air duct in a back part of salon (model with the back conditioner)
Air supply in interior of the car carries out on network of the air ducts of system of ventilation terminating in the nozzles equipped with deflectors.
In a forward part of salon air moves in four main directions: on the front level of the driver and forward passenger (central and side deflectors of the dashboard), on having blown in a windshield (forward deflectors of the dashboard), on having blown in side glasses (side deflectors) and in foot wells (the lower air ducts).
Output nozzles of forward air ducts settle down on the dashboard and in foot wells of salon.
Design of zhalyuziyny deflectors of days off snuffled air ducts of front level allows to operate intensity (the full overshoot of a nozzle is made by turning of the regulator against the stop to the right) and the direction (assembly of a nozzle is rotary) leaving a stream. Two push-button switches built in between the central deflectors allow to include/switch off autonomous heating / cooling of the leaving stream.
Deflectors snuffled a path of air supply in a back part of salon can have one of two designs, depending on that, the mode of conditioning is provided here or not.
The control panel of functioning To/in with the digital information display which is built in it is located in the top part of forward section of the central console.
The control panel of functioning of the automated K/V systemDesign of the control panel of the K/V system
Mode of automatic functioningThe mode of automatic functioning of system is basic. For activation of the mode press at the same time the buttons
Intensity of giving and distribution of an air stream in this mode will be automatically regulated. Buttons of the choice of temperature conditions on deflectors of the central air ducts of the dashboard have to be wrung out.
Mode of defrosting of glassesCompletely open sections of side glasses through passage of the dashboard.
For activation of the mode of defrosting of glasses press the button
Shutdown of the mode of defrosting of glasses is made by repeated pressing the same button.
The mode of removal of condensate from glassesFor bystry removal of condensate from glasses switch off economy mode
Do not forget to open completely sections of side through passage snuffled dashboards.
Economy modeFor activation of economy mode press the EU the button, - the control light-emitting diode which is built in in the button has to light up.
In economy mode such functions of system as cooling and drainage of air are turned off.
Shutdown of the mode is made by repeated pressing of the same button.
Compulsory choice of the direction of distribution of an air streamThe choice of the direction of distribution of an air stream is made by means of
For activation of air supply through the central nozzles of the dashboard press one of buttons of deflectors.
Compulsory choice of intensity of air supplyThe choice of one of seven high-speed modes of functioning of the fan can be made manually by means of the keyboard switch
By means of the same switch shutdown To / is made by V. continue to press the switch until display the message of "OFF" is not displayed and air supply in salon stops:
Activation To/in can be made by pressing one of buttons
Mode of use of residual heat of the engineHeating of salon can be made during even some time after an engine stop due to use of residual heat. Activation of the corresponding mode is made by means of the button
Before inclusion of the mode
In the mode
Switching off of the mode is made automatically on a timer signal approximately in 30 minutes, when turning a key in the ignition lock in situation 2, and also at noticeable decrease in level of a charge of the rechargeable battery.
Air circulation modeActivation of the mode of air circulation is made by means of the button
Repeated pressing the button of the switch allows to restore air supply.
Connection to the inlet air highway of the saloon filterBy pressing the button
Connection of the saloon filter allows to limit sharply concentration in an inlet air stream of harmful components and to prevent penetration into interior of the car of unpleasant smells.
For the purpose of preservation of the set intensity of air supply at connection of the filter fan turns
To/in automatically raise.
Activation of the modes
In need of bystry warming up / cooling of salon the filter also should be switched-off.
Heating of back glassHeating of back glass functions only in situation 2 keys in the ignition lock. Activation of a heating element of back glass is made by means of the button
Automatic shutdown of heating is made on a timer signal approximately in 12 minutes.