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Cleaning the Cabin Temperature Sensor

Model: Mercedes Classe C - Years: 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Part: Checks and maintenance

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Depending on the internal cabin temperature and the external temperature, the air conditioning system regulates the temperature of the cooled air: it is essential that both sensors function properly to ensure optimal climate control; the external temperature sensor is generally located in the front bumper grille while the internal sensor is in the cabin light fixture; to ensure it works correctly, clean it with contact spray but you need to remove it by detaching the light fixture from the headliner, then disconnect the sensor harness and the sensor itself.


Updated on 17 February 2026 by ScegliAuto


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