Retrofit Audio 50 APS navigation system - AN82.61-P-0004T

MODEL 211.0## /2## (except 211.076 /077 /276 /277) 1# as of 2.6.08 with CODE (809) Model year 2009 with CODE (523) MB Audio 20 radio with CODE (510) Audio 20 with CD changer except CODE (511) Audio 50 APS with DVD changer except CODE (527) COMAND APS with single DVD drive (with navigation) except CODE (512) COMAND APS with DVD changer except CODE (596) Heat-insulating glass except CODE (494) USA version except CODE (498) Japan version 

Fig 1: Identifying Radio Control Panel And Navigation Unit

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove
1	MB Audio 20 radio or remove Audio 20 with CD changer	The removed audio component is no longer required.	AR82.60-P-7502T
2	Remove instrument cluster		AR54.30-P-6015T
	Install
3	Retrofit antenna for global positioning system (GPS)		AN82.61-P-7474-04TTT
4	Retrofit new Audio 50 APS radio control panel and navigation unit (A2/56)		AR82.60-P-7502T
5	Install instrument cluster		AR54.30-P-6015T
6	Connect STAR DIAGNOSIS		AD00.00-P-2000-04A
7	Enter special equipment on the vehicle data card and the online vehicle data card	Enter code (525) MB Audio 50 APS radio and delete code of removed audio component.↓
		Initial startup of retrofits and modifications	AN00.01-P-1001-01V
8	Subsequently perform variant coding with STAR DIAGNOSIS	Listed control units must be SCN coded using the Diagnosis Assistance System: Instrument cluster Audio 50 APS radio and navigation unit (A2/56).
9	Close STAR DIAGNOSIS		AD00.00-P-2000-04A
10	Perform function test	See operating instructions of Audio 50 APS radio control panel and navigation unit (A2/56).