A/C Push-Button Control Unit: Notes
WARNING: This page is about a different car, the 1999 Mercedes-Benz SL500 and 1998 Mercedes-Benz SL500. However, it is still accessible from the selected car via links, so may be relevant.
The A/C push-button control unit consists of temperature control wheel, mode selection push-buttons, and fan control push-buttons. See Figure.