How do you replace the door jamb switch on a Mercedes C240?

To replace the door jamb switch on a Mercedes C240, first, ensure the vehicle is off and the battery is disconnected for safety. Locate the door jamb switch, which is typically positioned in the door frame where the door meets the body. Remove the old switch by gently pulling it out or unscrewing it, then install the new switch by pushing it into place or securing it with screws. Finally, reconnect the battery and test the switch to ensure proper functionality.