2003 Mercedes CL-Class Owner's Manual - Page 104

Controls in detail Seats Vehicles with seat ventilation* The switch is located on the door. The red indicator lamps on the switch show the heating level selected: Level 2 1 off Two indicator lamps on One indicator lamp on No indicator lamp on Switching on seat heating Press switch 1 twice. A red indicator lamp above the switch lights up. Switching off seat heating Press switch 1 again. Switching off rapid seat heating mode Press switch position 1 twice. ! If one or both of the lamps on the seat heating switch are blinking, there is insufficient voltage due to too many electrical consumers are turned on. The seat heating switches off automatically. The seat heating will switch back on again automatically as soon as sufficient voltage is available. i The seat heating will be automatically switched off after approximately 30 minutes. Rapid seat heating Press switch 1 once. Both indicator lamps above the switch light up. i 1 Seat heating switch Make sure the ignition is switched on. All the lamps in the instrument cluster light up. The system switches over to normal heating mode after approximately five minutes. Only the right-hand indicator lamp remains lit. 104