Blower Switch
WARNING: This page is about a different car, the 2000 Mercedes-Benz C43, 2000 Mercedes-Benz C280, 1999 Mercedes-Benz C43, and 1999 Mercedes-Benz C280. However, it is still accessible from the selected car via links, so may be relevant.
A rocker switch, located on the lower right corner of the A/C push button control module, provides varying blower motor speeds. When maximum fan speed is selected, only highest blower speed is available. When minimum fan speed is selected, only lowest blower speed is available. If automatic push button is pressed, system operating mode will use blower speed determined necessary.
In any operating mode other than defrost, blower will operate at second lowest speed after a 10-second delay. Blower will remain at this speed for approximately 30 seconds, then will move to other speeds as required.