2005 Mercedes E-Class Owner's Manual - Page 130

Controls in detail Seats Switching seat heating off Press button 1 repeatedly until all indicator lamps go out. Seat ventilation* The switch is located on the center console. Seat ventilation can be activated manually with the ignition on, or by the summer opening feature ( page 220). 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 i The seat heating will be automatically switched off after approximately 20 minutes. 1 Seat heating switch Switch on the ignition ( page 33). Switching seat heating on Press button 1 repeatedly until the desired heating level is set. One or more red indicator lamps on the switch show the selected heater level. ! If one or more of the lamps on the seat heater switch are flashing, there is insufficient voltage available since too many electrical consumers are turned on. The seat heater switches off automatically. The seat heater will switch back on again automatically as soon as sufficient voltage is available. 128