2005 Mercedes S-Class Owner's Manual - Page 129

Controls in detail Seats Seat ventilation* The switch is located on the door. Seat ventilation can be activated manually with the ignition switched on. The driver's seat ventilation can be activated automatically by the summer opening feature ( page 209). The blue indicator lamps on the switch show the ventilation level selected: 1 Seat ventilation switch Level 3 2 1 off Three indicator lamps on Two indicator lamps on One indicator lamp on No indicator lamp on Switching on seat ventilation Press switch 1. Three blue indicator lamps above the switch come on. Continue pressing switch 1 until the desired seat ventilation level is reached. Switch on ignition ( page 34). Switching off seat ventilation Press switch 1 repeatedly until all indicator lamps go out. i The seat ventilation for the driver's seat is automatically set to the highest level if activated via summer opening feature ( page 209). ! If one or all of the lamps on the seat ventilation switch are flashing, there is insufficient voltage since too many electrical consumers are switched on. The seat ventilation switches off automatically. The seat ventilation will switch back on again automatically as soon as sufficient voltage is available. 127