Windshield
Rain Sensor
Removing
• If the sensor foil is damaged when removing rain sensor, this must be replaced before re-installing.
- Rearview mirror removed.
- Remove clamps - 3 - from mirror base retaining plate - 1 -.
- Disconnect the rain sensor connector.
- Remove rain sensor from mirror base.
- A sensor foil remains affixed to the windshield.
- If the same windshield is reinstalled, remove this completely from the windshield.
- Clean the surface with cleaning solution D 009 401 04.
Installing
• If the same rain sensor is reinstalled, proceed as described.
- Remove the rest of the sensor foil from the rain sensor, if necessary.
- Also clean the surface with cleaning solution D 009 401 04.
Sensor surface must be completely free of foil remnants.
- Remove silicone paper from sensor foil.
- The transparent protective film remains on the sensor foil as an installation aid.
- Place the sensor film on the rain sensor using clear protective film.
- Press sensor foil as shown in - direction of arrow - onto rain sensor without bubbles.
- Then remove transparent protective foil from sensor foil.
- Spray entire surface of sensor foil with cleaning solution D 009 401 04 and insert sensor in mirror base.
Rain sensor must be free of inclusions and bubbles on the windshield to function properly.
- Press sensor clips on mirror base.
Replacing rain sensor
• To remove sensor, proceed as described above.
- If necessary, completely remove foil remnants from windshield.
- Clean sensor contact surface on windshield with cleaning solution D 009 401 04.
- Peel off protective foil from rain sensor.
- Spray entire surface of sensor foil with cleaning solution D 009 401 04 and insert sensor in mirror base.
- Press sensor onto windshield without bubbles and place clips on mirror base.
Rain sensor must be free of inclusions and bubbles on the windshield to function properly.
Retaining clip, releasing
- Disconnect electrical connector.
- Press clip - 2 - outward at - arrows -, for example, with a small screwdriver.
- Remove clips - 2 - from mirror base - 1 -.
- Remove the rain/light recognition sensor (G397) - 3 - from the mirror base.
- A sensor foil remains affixed to the windshield.
- If the same windshield is being installed, remove the sensor foil from the glass including any remaining adhesive.
- Clean the surface with cleaning solution D 009 401 04.
Install the rain/light recognition sensor (G397)
If the same rain/light recognition sensor (G397) is being installed, then the sensor foil must be replaced.