Replacing and installing/replacing the solar rain/light sensor and condensation sensor

Necessary preliminary work: 

• Remove Inside Mirror. Refer to REMOVING AND INSTALLING/REPLACING INTERIOR REARVIEW MIRROR (AS OF 07/2011) or REMOVING AND INSTALLING/REPLACING INTERIOR REARVIEW MIRROR (OVERVIEW) .

Removal: 

Disconnect connector (1).

Unlock rain/light/solar and condensation sensor (2) at metal spring (3).

For this purpose, press both sides of the metal spring (3), insert the screwdriver (4) on the side and raise the latch mechanism.

After loosening lock, wait approx. 30 min. at 20°C for silicone surface to relax.

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Pull the rain/light/solar and condensation sensor (1) slowly from holder (2) in direction of arrow.

Pull off the rain/light/solar and condensation sensor (1) slowly while observing from outside the release of the silicone surface.

The silicone surface must evenly loosen from the windscreen, if applicable, pull off slower.

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The silicone-coated surface (1) and the printed circuit board (2) on the rain/light/solar and condensation sensor must not be touched or damaged!

Replace damaged gel pad.

When replacing the windscreen, immediately install the rain/light/solar and condensation sensor into the new windscreen following removal.

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The area (1) on the windscreen must not be touched or damaged!

The area (1) may have remnants of the separation oil of the rain/light/solar and condensation sensor that are easy to remove. This does not indicate that the rain/light/solar and condensation sensor is damaged.

Remove all separating oil residue within and outside of the area (1).

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Replacement: 

Carefully clean the windscreen at the contact area (1) with the rain/light/solar and condensation sensor! All silicone and separation oil residue must be removed!

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Remove protective cover (1) from new rain/light/solar and condensation sensor.

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Installation: 

The silicone-coated surface on the rain/light/solar and condensation sensor must not be touched or damaged.

Feed the rain/light/solar and condensation sensor (1) into holder (2) in direction of arrow.

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Installation note: 

Connect connector (1) only after the rain/light/solar and condensation sensor has been locked.

Press on the rain/light/solar and condensation sensor (2) at the metal spring (3) in a centered position.

To lock, consecutively press down both sheet metal tabs (4) on each side.

Connect connector (1) with the rain/light/solar and condensation sensor (2).

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Installation note: 

Visible shades (1 and 2) do not have any air pockets, but show the optical element of the sensor.

Visible shades (1 and 2) do not represent any functional limitation.

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For vehicles up to 03/2014: 

INITIALIZE SENSOR .

For vehicles built after 03/2014 (except F25/F26): 

Initialization and encoding are performed automatically  by BDC control unit.

Required follow-up work: 

• Install Interior Mirror. Refer to REMOVING AND INSTALLING/REPLACING INTERIOR REARVIEW MIRROR (AS OF 07/2011) or REMOVING AND INSTALLING/REPLACING INTERIOR REARVIEW MIRROR (OVERVIEW) .