What does 1 Kings 20:31 mean?

His officials said to him, 'Look, we’ve heard that the kings of Israel are merciful. Let’s put on sackcloth and ropes and go out to the king of Israel. Maybe he’ll let you live.' 1 Kings 20:31 - Modern Text Bible

(Ben-Hadad’s advisors suggest surrendering and appealing to Ahab’s mercy, hoping he’ll spare their lives.)