2005 Mercedes CLK-Class Owner's Manual - Page 121

Controls in detail Seats Seat heating* Both switches for the front seats are located in the center console. The red indicator lamps on the switch 1 show which heating level you have selected. Level 3 Three indicator lamps on. After approximately five minutes, seat heating is automatically switched to level 2. 2 Two indicator lamps on. After approximately ten minutes, seat heating is automatically switched to level 1. 1 Seat heating switch 1 One indicator lamp on. After approximately 20 minutes, seat heating is automatically switched off. off No indicator lamp on. Switch on ignition ( page 36). All the lamps in the instrument cluster come on. Switching on seat heating Press seat heating switch 1 twice. Three red indicator lamps in the switch come on. Continue pressing seat heating switch 1 until desired seat heating level is reached. Switching off seat heating Press seat heating switch 1 repeatedly until all red indicator lamps go out. i If one or all of the indicator lamps flash on the seat heating switch 1, there is insufficient voltage due to too many electrical consumers being switched on. The seat heating switches off automatically. The seat heating will switch back on again automatically as soon as sufficient voltage is available. 119