300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
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1. Remove door lining.
2. Remove sealing sheet on inner door panel.
3. Open crank window.
4. Remove screws on window opening bar.
5. Push up crank window and hold by means of a wedge.
6. Disconnect battery.
7. Separate electric connections of window opener motor on cable connector.