How do you change fog lamp on c240?

To change the fog lamp on a Mercedes-Benz C240, first, ensure the vehicle is turned off and the keys are removed. Access the fog lamp assembly by either removing the wheel well liner or reaching behind the bumper, depending on the model year. Disconnect the electrical connector from the fog lamp, twist the lamp socket counterclockwise to remove it, and replace it with the new bulb. Finally, reconnect the electrical connector and reassemble any parts that were removed.