How do you replace Mercedes e320 1996 heater core?

To replace the heater core in a 1996 Mercedes E320, first, disconnect the battery and drain the coolant system. Then, remove the dashboard and the center console to access the heater core housing. Disconnect the heater core hoses from the engine bay, remove the screws holding the heater core in place, and carefully extract it. Install the new heater core by reversing these steps, ensuring all connections are secure before refilling the coolant and reassembling the dashboard.