Remove/install navigation processor - AR82.85-P-7373V

MODEL 171.4 with CODE (527) COMAND APS with single DVD drive (with navigation system) with CODE (498) Japan version

Fig 1: Identifying Navigation Processor Components

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

5.7.06

"Disconnect/connect battery ground line" removed

	Remove/install
1.1	Buffer basic data of navigation processor (N41/1) in STAR DIAGNOSIS	When installing new navigation processor (N41/1). Installation: Transfer buffered basic data to new navigation processor (N41/1).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS diagnosis system	*WE58.40-Z-1013-06A
2	Open retractable trunk partition	See Operator's Manual
3	Insert removal tools (1) into navigation processor (N41/1)		*WH58.30-Z-1008-19A
4	Pull navigation processor (N41/1) out of installation opening at removal tools (1) until electrical connectors (2) and fiber optic cable connector (3) are accessible		*WH58.30-Z-1008-19A
		Installation: The navigation processor (N41/1) must audibly engage when it is inserted into the installation opening.
5	Disconnect electrical connectors (2).
6	Unplug fiber optic cable connector (3)
7	Cover up the fiber optic cable connector (3)
8	Remove navigation processor (N41/1) from luggage compartment	Installation: Push back retaining spring (4) at both sides of navigation processor (N41/1) and pull out removal tools (1).
			*WH58.30-Z-1008-19A
9	Install in the reverse order

COMMERCIALLY AVAILABLE TOOLS (SEE WORKSHOP EQUIPMENT MANUAL)

Number	Designation	Make (e.g.)	Order number
WH58.30-Z-1008-19A	Removal tool	DaimlerChrysler	000 833 0561

WORKSHOP EQUIPMENT/MB TESTERS (SEE WORKSHOP EQUIPMENT MANUAL)

WE58.40-Z-1013-06A

STAR DIAGNOSIS Compact diagnosis system for passenger cars, order number 6511 1801 00