2009 Mercedes R-Class Owner's Manual - Page 123

Controls in detail Lighting Automatic control X Activating: Press button ]. Button ] disengages and sits flush with the other buttons. The interior lighting and the locator lighting (Y page 156) come on in darkness, when you: Runlock the vehicle Rremove Leaving an interior lamp switch in the ON position for extended periods of time with the engine turned off could result in a discharged battery. X X Interior lighting in the rear ! An interior lamp switched on manually does not go out automatically. Leaving an interior lamp switch in the ON position for extended periods of time with the engine turned off could result in a discharged battery. Second-row reading lamps The second-row reading lamps are located above the rear door windows. Switching on/off front interior lighting: Press switch ð. Switching on/off rear interior lighting: Press switch ò. Switching on/off front reading lamps: Press respective switch X. the SmartKey from the starter switch Ropen Ropen X X a door the tailgate Emergency lighting When the interior lighting is set to automatic mode, the interior lighting is activated automatically if the vehicle is involved in an accident. X Switching off: Press button ]. or X Deactivating: Press button ]. Button ] engages. The interior lighting goes out after a preset time (Y page 158). i If a door remains open, the interior lamps go out automatically after approximately 5 minutes when the SmartKey is removed or in starter switch position 0. Manual control ! An interior lamp switched on manually does not go out automatically. Press hazard warning flasher switch (Y page 119). 1 Second-row reading lamp or X Unlock the vehicle. X Switching on/off rear reading lamps: Press second-row reading lamp 1 as indicated by the arrow. Z 121