2010 Mercedes GLK-Class Owner's Manual - Page 201
2010 Mercedes GLK-Class Manual
Page 201 highlights
Useful features X 199 RThe on-board voltage of the vehicle is not within the permissible voltage range. X Start the engine. RThe temperature of the DC/AC inverter is temporarily too high. X Pull the plug of the small device out of 115V AC socket : and plug it in again after waiting a few minutes. small devices have a continuous power rating of less than 150 W but a very high switch-on current. Such devices will not operate. When connecting such a device, 115V AC socket : will not provide power. RSome If LED ; still does not come on, contact an authorized Mercedes-Benz Center. Zone map North America Compass Z Controls in detail Operation: Open cover =. X Switch on the ignition. X Insert the plug of the small device into 115V AC socket :. LED ; comes on. If LED ; does not come on, refer to the section on possible nonoperation causes. X Switching off: Pull the plug out of 115V AC socket :. Do not pull on the cable. X Close cover =. Possible nonoperation causes: i In order to receive an accurate reading in the interior rear view mirror :, the compass must be calibrated and the magnetic field zone set. X Calling up the compass: Press button = briefly. The compass displays the direction into which the vehicle is currently traveling: N, NE, E, SE, S, SW, W, or NW. X Compass adjustment: Determine your location on the basis of the following zone maps.