2011 Mercedes ML-Class Owner's Manual - Page 270

268 Features Make sure any children traveling with you do not injure themselves or start a fire with the hot cigarette lighter. You could otherwise damage the vehicle's electrics. The socket can be used for accessories with a maximum power consumption of 180 W, e.g. lamps or chargers for mobile phones. If you use the socket for long periods when the engine is switched off, the battery may discharge. X Turn the key to position 2 in the ignition lock. Loading, stowing and features ! The 12 V socket in the cigarette lighter can be used for accessories (up to a maximum of 180 W) as long as they have the standard socket type for cigarette lighters. Note that the socket in the cigarette lighter can be damaged when connecting accessories, for example by frequent insertion and removal or by sockets that do not fit correctly. A damaged socket can cause the cigarette lighter to stop working. Socket in the front-passenger footwell X Lift up the cover of socket :. Center console, front X Turn the key to position 2 in the ignition lock. X Press marking =. Ashtray : opens. X Press in cigarette lighter ;. Cigarette lighter ; will pop out automatically when the heating element is red-hot. Socket in the cockpit ! If accessories are connected, make sure that a maximum current draw of 15 A is not exceeded. Otherwise, you will overload the fuse. ! The socket is not suitable for operating the electric air pump. 12 V sockets Points to observe before use ! If you are using all sockets in the vehicle, make sure that you do not exceed the maximum current draw of 55 A. Otherwise, you will overload the fuses. ! Only use the 12 V socket on the center console to connect the electric air pump.