Retrofit audio 20 CD with CD changer - AN82.60-P-0012FH

MODEL 204.0## /2## (except 204.077 /277) 1# as of 1.3.11 as of Model Year 2012 with CODE (523) MB Audio 20 radio 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 204.3## (except 204.377) 1# with CODE (523) MB Audio 20 radio 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 

Fig 1: Identifying Radio

Courtesy of MERCEDES-BENZ USA

	Removing
1	Remove Audio 20 radio (A2)	The Audio 20 radio (A2) is not longer required.
	Install
2	Install new Audio 20 radio (A2) with CD changer
3	Enter special equipment in online vehicle data card via vehicle documentation system (VeDoc)	Delete:  code (523) MB Audio 20 radio. Add:  Code (510) Audio 20 with CD changer
4	Document retrofitted equipment through VeDoc	Attach "Audio 20 CD with CD changer retrofitted, as per AN82.60-P-0012FH " note under the field organization texts to design group 82.
5	Connect Star Diagnosis and select vehicle via the vehicle identification number (VIN)
6	Run variant coding with XENTRY using software calibration number (SCN)	Listed control unit must be SCN coded using the Diagnosis Assistance System: Radio (A2) Audio 20 with CD changer
7	Disconnect Star Diagnosis
8	Perform function test	See operating instructions for Audio 20 radio (A2) with CD changer.