S 500 Coupe (140.070) V8-5.0L (119.980) (1997)
Evaporator Temperature Sensor / Switch: Description and Operation
Rear Evaporator Temperature Sensor (Models with Rear A/C)
The evaporator temperature sensor (B10/11) measures the evaporator temperature.
The rear air conditioning evaporator temperature sensor (B10/11) is located on the rear A/C housing below the armrest. It transfers a resistance related to
the evaporator temperature to the rear air conditioning pushbutton control module.