How do you change battery in 2003 sl500 Mercedes in trunk?

To change the battery in a 2003 Mercedes SL500, first, open the trunk and remove the trunk floor cover to access the battery compartment. Disconnect the negative (-) terminal first, followed by the positive (+) terminal to prevent any electrical short. Remove the battery hold-down clamp, lift out the old battery, and place the new one in the same position. Finally, reconnect the positive (+) terminal first, followed by the negative (-) terminal, and ensure everything is secure before closing the trunk.