Automatic air conditioning pushbutton control module position/function - GF83.40-P-2000S
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 140 as of 1.9.95 except CODE (498) Japanese version
Function
The control and operating module (N22) of the automatic air conditioning permits performance of adjustments required by the driver, such as:
- Automatic air distribution and blower speed by pressing the pushbutton
(separate adjustment for driver and passenger is possible)
- Passenger compartment temperature selection by pressing the warm/cold pushbuttons
,
(separate adjustment for driver and passenger is possible)
- Manual air quantity by pressing the blower pushbutton (
)
- Manual air distribution by pressing the air distribution pushbutton (
)
- Recirculated air by pressing the recirculated air pushbutton (
)
- Activation of residual engine heat recirculation, with ignition off, by pressing the Rest pushbutton (
)
- Switching off cooling by pressing the EC pushbutton (
)
- Defrosting function by pressing the defrost pushbutton (
)
- Heating the rear screen by pressing the rear screen heater pushbutton (
)
The driver will be shown these adjustments on the display.
Furthermore the control module integrated into the control and operating (N22) module takes over regulation and control of systems, such as:
- comparison of the preselected / actual temperatures and adjustment of the passenger compartment temperature
- automatic switching from fresh air to recirculated air
- automatic air distribution
- automatic blower speed
- actuation of the refrigerant compressor
- actuation of the auxiliary ventilator
The control and operation module (N22) can be diagnosed so that faults arising are stored in a fault memory, which can be read out On Board or with the aid of the Hand-Held Tester.
When changing the control and operating module (N22) a variant coding should be performed with the aid of the Hand-Held Tester.
Blower pushbutton Location/task/function GF83.40-P-2144A Air distribution pushbutton Location/task/function GF83.40-P-2159A Recirculated air pushbutton Location/task/function GF83.40-P-2145S EC pushbutton Location/task/function GF83.40-P-2146S Warm temperature pushbutton Location/task/function GF83.40-P-2160A Cold temperature pushbutton Location/task/function GF83.40-P-2161A Automatic pushbutton Location/task/function GF83.40-P-2147A Rest pushbutton Location/task/function GF83.40-P-2148A Defrost pushbutton Location/task/function GF83.40-P-2139A Activated charcoal filter pushbutton Location/task/function with Code 306a (Activated charcoal filter) GF83.40-P-2149A Display Location/task/function GF83.40-P-2150A