Remove/install APS radio and navigation control unit - AR82.61-P-7412QA

MODEL 209 as of 1.6.04 with CODE (525) MB Audio 50 APS radio 

Fig 1: Identifying APS Radio And Navigation Control Unit Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

MODIFICATION NOTES

24.5.06

"Disconnect/connect ground line on battery" removed

	Remove/install
1.1	Transfer basic data from radio and navigation unit (A2/56) to STAR DIAGNOSIS	When replacing radio and navigation unit (A2/56). Installation:  Transfer buffered basic data to new radio and navigation unit (A2/56).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS system	*WH58.30-Z-1048-13A
2	Remove upper control panel control unit.		AR54.21-P-1262Q
3	Remove control and operating unit		AR83.40-P-6350QA
4	Remove bolts (1)
5	Take out radio and navigation unit (A2/56)
6	Disconnect connectors from radio and navigation unit (A2/56)
7	Cover fiber optic cable	Install caps on fiber optic cable connector and equipment connector.	AR82.95-P-0005-01A
	Notes on fiber optic cable	Model 129, 163, 168, 170, 202, 203, 208, 209, 210, 215, 220, 230, 414, 463.243/244/245/246/247/248/249/ 250/254/309/322/323/332/333	AH82.70-P-0001-02A
8	Install in the reverse order

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS system, Compact Passenger Car	6511 1801 00