2003 Mercedes S-Class Owner's Manual - Page 112

Controls in detail Seats Switching off rapid seat heating mode Press switch 2 again. 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 lit One indicator lamp lit No indicator lamp lit Make sure the ignition is switched on. All the lamps in the instrument cluster light up. 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. ! If one or both of the lamps on the seat heating switch are blinking, there is insufficient voltage available since 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. 1 Seat heating switch 112