2010 Mercedes GLK-Class Owner's Manual - Page 178

176 Driving systems Switching on or off X Controls in detail Switching on: Switch on the ignition. X Make sure the rear view camera is switched on in the COMAND system. For more information refer to separate COMAND operating instructions. X Switch on the COMAND system. X Shift the automatic transmission to reverse gear R. The COMAND system display will show the area behind the vehicle with guidelines. G Warning! Please note that objects which do not touch the ground may appear to be further away than they actually are, for example: Rthe Ra bumper of a vehicle parked behind you back of a truck Red guideline = indicates an approximate distance of 10 in (0.25 m) from the rear of the vehicle. Yellow guidelines ; indicate an approximate distance of 3 ft (1 m) from the rear of the vehicle. Blue guidelines : indicate the approximate width required for the vehicle. trailer hitch Rthe In such cases, you should not use the guidelines to judge the distance. You may misjudge the distance which increases the risk of impacting the objects. Even when the object you approach is directly on the ground do not approach the object any closer than the red guideline. i The image from the rear view camera will no longer be displayed if you select another function on the COMAND system while reverse gear R is engaged. To display the image again, disengage and reengage reverse gear R. X Switching off: Shift the automatic transmission into park position P, neutral position N, or drive position D.