ML 320 (163.154) V6-3.2L (112.942) (1998)
Control Assembly: Description and Operation
TCC Pushbutton Control Module
The following components are integrated into the Tempmatic operation unit (S98):
Blower switch (1):
with a 0 position and 4 levels.
NOTE: The blower switch (S3) cannot be obtained alone
Temperature selection wheel (2):
with a "blue" position for no heat and manually adjustable heat position.
NOTE: In the "blue" position the system is switched to 100% recirculated air.
Air distributor switch (3):
with positions: defroster nozzle, footwell, middle level and intermediate positions.
Recirculated air switch:
100% recirculated air without a time limit when the diode lights up.
AC-pushbutton:
diode lights up, refrigerant compressor ON operation/air-dying
Diode does not light up, refrigerant compressor OFF no air drying/cooling operation