Removing and installing rear global positioning system (GPS) antenna - AR82.62-P-8978NKB

MODEL 156, 176, 242, 246 with CODE 508 (Navigation box preinstallation) 

MODEL 156, 176, 242, 246 with CODE 509 (Navigation box) 

MODEL 156, 176, 242, 246 with CODE 512 (COMAND APS with DVD changer) 

MODEL 156, 176, 242, 246 with CODE 527 (COMAND APS with single DVD drive (with navigation)) 

Shown on MODEL 246 

Fig 1: Identifying Rear Global Positioning System Antenna Remove/Install Components - Shown On Model 246

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1.1	Detach upper door lining on rear-end door	MODEL 156, 176 with CODE 508 (Navigation box preinstallation) MODEL 156, 176 with CODE 509 (Navigation box) MODEL 156, 176 with CODE 512 (COMAND APS with DVD changer) MODEL 156, 176 with CODE 527 (COMAND APS with single DVD drive (with navigation)) First unclip the upper right door lining starting in the middle, then unclip the upper left door lining starting from the middle.
		Long wedge	Figure
1.2	Remove door lining on tailgate	MODEL 242, 246 with CODE 508 (Navigation box preinstallation) MODEL 242, 246 with CODE 509 (Navigation box) MODEL 242, 246 with CODE 512 (COMAND APS with DVD changer) MODEL 242, 246 with CODE 527 (COMAND APS with single DVD drive (with navigation))
		Long wedge	Figure
2	Remove rear spoiler
3	Unclip electrical connector (1.1) from inside of rear-end door and disconnect
4	Release electrical line (1) and guide outwards through the opening (arrow) in the rear-end door
5	Detach GPS antenna (A2/23) using long wedge from body and remove	GPS antenna (A2/23) is secured by an adhesive joint. The GPS antenna (A2/23) must always be replaced. Clean surface to be glued.
		Cleaner	*BR00.45-Z-1025-04A
		Long wedge	Figure
6	Install in the reverse order

Fig 2: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA