2 Samuel 15:1 - Joseph Benson’s Commentary on the Old and New Testaments

Absalom prepared him chariots, &c. When he thought he had established himself in his father's good affection, he began to take great state upon him, set up, as we now speak, a splendid equipage, and was royally attended, as being the king's eldest son, (now Amnon was dead,) and next heir to the crown. For it seems Chileab, who was elder than he, 2 Samuel 3:3, was either dead also, or, through some cause, was incapable of the government. Absalom undoubtedly designed, by taking this course, to draw the eyes of the people to himself, who, as they were much in love with his beauty, so were doubtless mightily taken with this fine sight of chariots and horses, especially as it was unusual, not being allowed by the law. David was, however, so indulgent that, it seems, he took no notice of it. And fifty men to run before him An honour this such as his royal father had neither had, nor thought of. These, though attendants in appearance, were, in effect, guards.