600SEL (140.057) V12-6.0L (120.980) (1993)
Heater Core Temperature Sensor / Switch: Service and Repair
Remove and Install Heater Core Temperature Sensor
Pushbutton control module
Remove. See: Control Assembly/Service and Repair
2-pole connectors
Disconnect.
Heat exchanger temperature sensor (B10/2 or B10/3)
Pull out.
Temperature sensor
Test and renew if necessary.
Install
In the reverse sequence.
Automatic climate control
Test.
NOTE: After completing the work erase fault memory in control unit.