Early models
1. Using a thin screwdriver blade and being careful, remove the front light and disconnect the electrical connector from it.
2. To replace the interior light bulb, remove the bulb from the spring contacts. Install the new bulb, firmly fixing it in the spring contacts.
3. To replace the reading light, press the light bulb and turn it counterclockwise in this position. Insert the new light bulb into the socket, press it and turn it clockwise in this position. Reinstall the front light.
Late models with seat belt warning lights
Removal the front interior light on later models

Location of interior light (A) and reading light (B) on front light
(Article borrowed from the web portal: www.mercedesman.ru)

Removal the cover from the front of the interior light

To remove the seat belt warning light, simply pull the light towards you

1. Using a thin screwdriver blade and being careful, remove the front light and disconnect the electrical connector from it (see Fig. Removing the Front Interior Light on Later Models).
2. Remove the reflector and pull the bulb out of the spring contacts (see Fig. Location of interior light and reading light on front light). Install the new bulb into the spring contacts and then install the reflector in place.
3. To replace the reading lamp, remove the reflector and, pressing on the bulb and turning it counterclockwise in this position, remove the bulb. Install the new bulb in the socket, press it and turn the bulb clockwise in this position, then replace the reflector.
4. To replace the seat belt warning light, remove the cover from the front of the light, then pull the corresponding light out (see fig. Removing the cover from the front of the interior light, To remove the seat belt warning light, simply pull the light towards you). Install the new bulb by simply pressing it into the socket and close the cover.
5. Connect the electrical connector to the front light and install the light in place.
