2006 Mercedes CLS-Class Owner's Manual - Page 144

Controls in detail Lighting Door entry lamps For better orientation in the dark, the corresponding door entry lamps will switch on in darkness when you open a door and the automatic control is activated. The door entry lamps will switch off when the corresponding door is closed. Trunk lamp The trunk lamp switches on if the trunk is opened. If the trunk remains open, the trunk lighting switches off automatically after approximately 10 minutes. i If you turn the SmartKey in the starter switch to position 0 and switch off the headlamps, the door entry lamps will remain lit for approximately 5 minutes. i The interior lighting is factory-set to automatic mode ( page 141). The setting selected for the interior lighting is used for the trunk lighting as well. 143