2003 Mercedes S-Class Owner's Manual - Page 113

Controls in detail Seats Rapid seat heating Press switch 1 once. Both indicator lamps above the switch light up. Switching off rapid seat heating mode Press switch 1 twice. Rear seats Power seat bench* The switches for adjusting the seat bench are located at the respective rear doors. ! 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 system switches over to normal heating mode after approximately five minutes. Only the right-hand indicator lamp remains lit. 1 Seat bench fore and aft adjustment 2 Head restraint fold/place upright 113