How do you replace a bulb on headlight on a 2000 Mercedes E320?

To replace the headlight bulb on a 2000 Mercedes E320, first, open the hood and locate the back of the headlight assembly. Disconnect the electrical connector from the bulb by gently pulling it off. Remove the bulb by turning it counterclockwise and then replace it with a new bulb, ensuring it is securely in place. Reconnect the electrical connector and test the headlight before closing the hood.