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

MODEL 218.3## (except 218.374/375/376/392) 1# with CODE 510 (Audio 20 with CD changer) without CODE 460 (Canada version) without CODE 494 (US version) without CODE 498 (Japanese version) without CODE 523 (MB Audio 20 radio) 

MODEL 218.3## (except 218.374/375/376/392) 1# with CODE 512 (COMAND APS with DVD changer) without CODE 460 (Canada version) without CODE 494 (US version) without CODE 498 (Japanese version) without CODE 523 (MB Audio 20 radio) 

MODEL 218.3## (except 218.374/375/376/392) 1# with CODE 523 (MB Audio 20 radio) without CODE 460 (Canada version) without CODE 494 (US version) without CODE 498 (Japanese version) without CODE 511 (Audio 50 APS with DVD changer) without CODE 512 (COMAND APS with DVD changer) without CODE 525 (MB Audio 50 APS radio) without CODE 527 (COMAND APS with single DVD drive (with navigation)) without CODE 830 (Vehicles for China, additional parts) 

MODEL 218.9## (except 218.974/975/976/992) 1# with CODE 523 (MB Audio 20 radio) without CODE 460 (Canada version) without CODE 494 (US version) without CODE 498 (Japanese version) without CODE 512 (COMAND APS with DVD changer) without CODE 527 (COMAND APS with single DVD drive (with navigation)) without CODE 830 (Vehicles for China, additional parts) 

Fig 1: Identifying Radio

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove Audio 20 radio (A2)
			AR82.60-P-7502EW
		The Audio 20 radio (A2) is not longer required.
	Install
2	Install new Audio 20 radio (A2) with CD changer
			AR82.60-P-7502EW
	Update Vehicle Documentation (VeDoc)
3	Attach "Audio 20 with CD changer retrofitted, as per AN82.60-P-0012EL " note under the field organization texts to design group 82.
4	Delete special equipment on vehicle data card and online vehicle data card: - code 523 (MB Audio 20 radio)
5	Enter special equipment on vehicle data card and online vehicle data card: - code 510 (Audio 20 with CD changer)
6	Connect diagnostic system
			AD00.00-P-2000-04A
7	Perform variant coding with XENTRY using the software calibration number (SCN)
8	Disconnect diagnostic system
			AD00.00-P-2000-04A
	Check
9	Perform function test	See operating instructions for Audio 20 radio (A2) with CD changer.