2003 Mercedes SL-Class Owner's Manual - Page 96

Controls in detail Seats Seat ventilation* The switch is located on the door. The blue indicator lamps on the switch show the ventilation level selected: Level 3 Level 2 Level 1 Three indicator lamps on Two indicator lamps on One indicator lamp on All the lamps in the instrument cluster light up. Switching on the seat ventilation Press switch 1. Three blue indicator lamps on the switch light up. Switching off the seat ventilation Press switch 1 repeatedly until all indicator lamps go out. ! If one or all of the lamps blink on the seat ventilation* switch, 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. Ventilation off No indicator lamp on i In normal operation the seat ventilation will switch off automatically after about 30 minutes. 1 Seat ventilation switch Make sure the ignition is switched on. 96