300SD (140.134) L6-3.5L DSL Turbo (603.971) (1993)
Cabin Temperature Sensor / Switch: Service and Repair
In-Car Temperature Sensor With Aspirator Blower
Both dome lamps
Unclip.
2 screws (arrows)
Unscrew.
Dome lamp unit
Take off, disconnect 4-pole connector from B10/4 and unclip temperature sensor with ventilation blower.
Install
In the reverse sequence.
NOTE: After completing the work erase fault memory in control unit.