Check the listing for details. For 2013 Mercedes GLK300 Rear View Camera Interface Kit Reverse Backup Improved. Condition: New. Listed at 199.64 USD. NTG4.5 Smart Reverse Camera Interface For Mercedes-Benz GLK Class With Parking GuidelinesSuitable Vehicles: For 2011-2015 Mercedes-Benz GLK Class Comand Online Audio 20 NTG4.5 System ​Features： ​1. Video-insertion for factory-infotainment monitors​2. Rear-view camera CVBS video-input​3. Front-view camera CVBS video -input​4. Automatic switching to rear-view camera input on engagement of reverse gear​5. Activatable parking guide lines for rear-view camera​6. Compatible with factory rear-view camera​7. AV-inputs PAL/NTSC compatible ​Trigger: ​1. Rear view camera will turn on when shift into Reverse gear ​2. Front view camera will turn on when shift out of Reverse, and front view keeps about 10 seconds, then return back to car menu （also support car button on steering wheel to switch） ​3. If car comes with Parking 'P' button, you can press it to switch between Rear and Front view when in Reverse, car speed less than 15km/h. ​(PS: Front view input is optional, if you didn’t install front camera, P button will control to turn on or off Rear view camera when in Reverse.) service： ​1. Experienced R & D team to Support OEM/ODM Service and after-sale services. ​2. 100% test before shipment. provide quality products.. ​3. Provide 1-year warranty for each product. provide best services ​4. Keep you informed for any updates ​5. Help you for the cutoms clearance with all certificates.