2005 Mercedes CLK-Class Owner's Manual - Page 122

Controls in detail Seats Seat ventilation* Both switches for the front seats are located in the center console. The blue indicator lamps in the switch 1 show which ventilation level you have selected: Level Switching off seat ventilation Press seat ventilation switch 1 repeatedly until all blue indicator lamps go out. 3 2 1 off Three indicator lamps on Two indicator lamps on One indicator lamp on No indicator lamp on i If one or all of the indicator lamps flash on the seat ventilation switch 1, 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. Switch on ignition ( page 36). All lamps in the instrument cluster come on. Switching on seat ventilation Press seat ventilation switch 1. Three blue indicator lamps come on. Press seat ventilation switch 1 repeatedly until the desired seat ventilation level is reached. 1 Seat ventilation switch 120