2008 Mercedes CLS-Class Owner's Manual - Page 122

Controls in detail Seats Seat heating* The red indicator lamps on the switch show the heating level selected. Level 3 Three indicator lamps on (highest level). The seat heating automatically switches to level 2 after approximately 5 minutes. 2 Two indicator lamps on. The seat heating automatically switches to level 1 after approximately 10 minutes. 1 One indicator lamp on (lowest level). The seat heating automatically switches off after approximately 20 minutes. off No indicator lamp on. Switching seat heating on Press switch 1. Three red indicator lamps in the switch come on. Continue pressing switch 1 until desired seat heating level is reached. Switching seat heating off 1 Front seat heating switch Press switch 1 repeatedly until all indicator lamps go out. i If one or more of the lamps on the seat heating switch are flashing, 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. 1 Rear seat heating switch (Canada only) Switch on the ignition ( page 38). 121