Headlamp Lens: Service and Repair

Disassembling And Assembling Bi-Xenon Headlights

Disassembling headlights

General







WARNING: Risk of short circuit.

- Before removing headlight, remove ignition key and switch off light switch.

Disassembling headlights

NOTE: The following parts are not included in the scope of spare parts for headlights and must be taken from the damaged headlight and re-fitted in the new headlight. If any of the parts to be re-fitted are damaged, these must also be renewed.

1. Remove headlight.
2. Remove control unit for gas discharge lamp.

NOTE: Remove gas discharge lamp with attached wiring harness.

3. Remove gas discharge lamp.

Assembling headlights

NOTE: Do not fit cap until the desiccant bag has been replaced.







1. Install gas discharge lamp.
2. Install control unit for gas discharge lamp.

NOTE:
- The desiccant bag is filled with a granulate that starts to absorb moisture immediately after the transport packaging is opened if the ambient conditions require it.
- Two desiccant bags are delivered in an air-tight package. If a single desiccant bag is taken out of the package, the package must be re-closed air tight with an elastic band, adhesive tape or similar afterwards.
- The desiccant bag must not be removed from its packaging and placed in the main headlight until just before the main headlight is fitted in the vehicle.
- When storing removed main headlights, the desiccant bag must be removed from the main headlight and stored in an air-tight plastic bag.
- Desiccant bags no longer needed or damaged can be disposed of with normal domestic waste.

3. Renew desiccant bag.
3.1. Remove new desiccant bag from its packaging and place it into the holding cage.
3.2. Push the desiccant bag far enough into the holding cage so that it will not be trapped between the sealing surfaces when the cap is fitted.







4. Install cap.
4.1. Place cap -2- in position, press it down and close locking bar -1-.

5. Install and adjust headlight.
6. Fit cover foil for right-hand traffic headlights in countries with left-hand traffic.
7. Fit cover foil for left-hand traffic headlights in countries with right-hand traffic.