2011 Mercedes GLK-Class Owner's Manual - Page 219

Features 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. 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. Dashboard socket The socket is installed in vehicles with audio equipment or COMAND. X 217 Socket in the rear compartment A socket is installed in the center console in the rear compartment in vehicles with an ashtray and a cigarette lighter. X X Pull cover ; out by its top edge. Lift up the cover of socket :. Socket in the cargo compartment X Open the glove box (Y page 207). X Lift up the cover of socket :. An additional socket is installed in the center console on vehicles without an ashtray with cigarette lighter. The socket is located in the cargo compartment on the left-hand side trim. X Lift up the cover of socket :. Z Loading, stowing and features To open: slide cover : forwards until it engages. X Lift up the cover of socket ;. X To close: press cover : briefly at the front. The cover moves back.