How to Change a Headlight Bulb on a 1996 Mercedes E320

1. Open the hood of your E320 and remove the screw cap on the back of the headlight housing. Turn the screw cap counterclockwise and pull it off with your hands.
2. Unplug the power connector running to the headlight. To do this, squeeze the release tab on the connector and pull the connector off of the headlight.
3. Rotate the collar of the headlight counterclockwise and remove it from the housing.
4. Align the tabs on the collar of the new headlight with the notches in the housing and insert the new headlight into the back of the housing. Rotate the headlight clockwise to secure it to the housing.
5. Plug the power connector into the back of the headlight and replace the headlight cover.