Removal and installation of air conditioner sensors Mercedes-Benz W203

Sensors ensure the operation of the automatic air conditioning control system.

Humidity sensor

Withdrawal

Notes:

The air humidity sensor is located in the air intake duct.

1. Remove the filter box,  refer to Section Replacing the Cabin Air Filter Element / Carbon Air Cleaning Filter .

2. Turn the air humidity sensor strongly counterclockwise and remove it from the air inlet.

3. Disconnect the sensor connector. At the same time, make sure that the wire does not slip back into the air conditioner box.

Installation

Installation is carried out in the reverse order of removal. In this case, the sensor must be clearly fixed.

Multifunction sensor

Air conditioning with automatic comfort

The sensor is installed under the water collector, looking in the direction of travel, on the left next to the air intake duct.

Withdrawal

1. Remove the cabin air filter box,  refer to Section Replacing the cabin air filter element / charcoal air filter .

2. Unscrew the screw securing the multifunctional sensor under the water collector and disconnect the sensor from the holder.

3. Disconnect the sensor connector.

Installation

Installation is carried out in the reverse order of removal. In this case, the sensor must be clearly fixed.

solar sensor

Air conditioning with automatic comfort

Withdrawal

1. Open the hood and remove the front spoiler grille.

2. Disconnect the sensor connector under the front spoiler grille and disconnect the sensor from the holder.

Installation

Installation is carried out in the reverse order of removal. In this case, the sensor must be clearly fixed.

Source:  http://auto-knigi.com/model/mb_c/5_2_6/