E 320 CDI (211.026) L6-3.2L DSL Turbo (648.961) (2005)
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Display logic of the function LED in the AC button (7)
For vehicles up to 31.5.05, the function LED is off when the refrigerant compressor is switched on.
For vehicles as of 1.6.05, the function LED is on when the refrigerant compressor is switched on.
Heated rear window switch (N22/7s1)
When the button is pressed, the comfort AAC [KLA] control and operating unit (N22/7) transmits a switch-on request to the rear SAM control unit with
fuse and relay module via CAN-B; the function LED in the heated rear window switch (N22/7s1) is switched on at the same time.
Air recirculation switch (N22/7s2)
When the air recirculation switch (N22/7s2) is pressed briefly (< 1.5 s), the main air flap is closed to prevent air entering from outside. The function
LED in the air recirculation switch (N22/7s2) lights up during operation. When pressed for a longer period (> 1.5 s), the convenience open/close
windows and tilting/sliding roof (SHD) (for code (414) Power glass tilting/sliding roof) function is activated.
Window defrost switch (N22/7s3)
The temperature is set to "maximum" and the air flow distributed to the defroster and lateral nozzles. All the other flaps are closed. The blower voltage is
controlled depending on the coolant temperature. The "DEFROST" symbol appears in the display (3) and in the display of the control panel rear switch
group. The function LED in the window defrost switch (N22/7s3) comes on.
