2003 Mercedes CL-Class Owner's Manual - Page 102

Controls in detail Seats Seat ventilation* The switch is located on the door. Seat ventilation can be activated manually with the electronic key in starter switch position 1 or 2, or by the summer opening feature ( page 171). The blue indicator lamps on the switch show the ventilation level selected: Level 3 2 1 off Three indicator lamps on Two indicator lamps on One indicator lamp on No indicator lamp on 1 Seat ventilation switch Make sure the ignition is switched on. All lamps in the instrument cluster light up. Switching on seat ventilation Press switch 1. Three blue indicator lamps above the switch light up. Continue pressing switch 1 until the desired seat ventilation level is reached. Switching off seat ventilation Press switch 1 repeatedly until all indicator lamps go out. i The seat ventilation is automatically set to the highest level if activated via summer opening feature ( page 171). ! If one or all of the lamps blink on the seat ventilation switch, there is insufficient voltage due to too many electrical consumers being switched on. The seat ventilation switches off automatically. The seat ventilation will switch back on again automatically as soon as sufficient voltage is available. 102