Retrofit Audio 50 APS - AN82.61-P-0003CW

MODEL 204.0## /2## (except 204.077 /277) 1# up to 28.2.11 up to model year 2011 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 (494) USA version except CODE (498) Japan version 

MODEL 204.9## 1# 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 (494) USA version except CODE (498) Japan version 

Shown on model 204.0 

Fig 1: Identifying Radio With Auto Pilot System

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove Audio 20 radio or remove Audio 20 with CD changer	The removed audio component is no longer required.	AR82.60-P-7502CW
2	Remove instrument cluster	Model 204.0/2	AR54.30-P-6015CW
		Model 204.9	AR54.30-P-6015CY
	Install
3	Retrofit antenna for global positioning system (GPS)	Model 204.0/2	AN82.61-P-7474-04CW
		Model 204.9	AN82.61-P-7474-04CY
4	Retrofit new Audio 50 APS radio with auto pilot system (A2/56)		AR82.60-P-7502CW
5	Install instrument cluster	Model 204.0/2	AR54.30-P-6015CW
		Model 204.9	AR54.30-P-6015CY
6	Enter special equipment in online vehicle data card via vehicle documentation system (VeDoc)	Delete:  Code (523) Radio MB Audio 20 or Code (510) Audio 20 with CD changer Add:  Code (525) MB Audio 50 APS radio
7	Document retrofitted equipment through VeDoc	Attach "Audio 50 APS retrofitted, as per AN82.61-P-0003CW " note under the field organization texts to design group 82
8	Connect Star Diagnosis and select vehicle via the vehicle identification number (VIN)
9	Run variant coding with XENTRY using software calibration number (SCN)	Listed control units must be SCN coded using the Diagnosis Assistance System: Instrument cluster "Audio 50 APS radio with auto pilot system (A2/56)"
10	Disconnect Star Diagnosis
11	Perform function test	See operating instructions for Audio 50 APS radio with auto pilot system (A2/56).