Retrofit audio 20 CD with touchpad - AN82.60-P-0017LW

MODEL 205.0/2 with CODE 520 (Audio 20 USB) except code 460 (Canada version) except CODE 494 (US version) except CODE 498 (Japanese version) except CODE 830 (Vehicles for China, additional parts) 

Fig 1: Identifying Head Unit

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove
1	Remove Audio 20 USB head unit (A26/17)
			AR82.85-P-1100LW
		The head unit (A26/17) Audio 20 USB is no longer required.
2	Remove upper control panel control unit
			AR54.21-P-1262LW
		The upper control panel control unit is no longer required.
3	Remove audio/COMAND control panel
			AR54.21-P-0500LW
4	Detach wiring harness of upper control panel control unit from center console cover	The wiring harness for the upper control panel control unit is no longer required.
5	Remove left front floor covering
			AR68.20-P-2050LW
	Install
6	Install touchpad		AN82.60-P-0017-03LW
7	Retrofit CAN wiring harness		AN82.60-P-0017-02LW
8	Retrofit touchpad wiring harness		AN82.60-P-0017-01LW
9	Install new upper control panel control unit
			AR54.21-P-1262LW
10	Install Audio 20 CD head unit (A26/17)
			AR82.85-P-1100LW
11	Install remaining parts
	Update Vehicle Documentation (VeDoc)
12	Delete special equipment in online vehicle data card	CODE 520 (Audio 20 USB)
13	Enter special equipment in online vehicle data card	Code 522 (Audio 20 radio)  Code 818 (Single CD drive)
14	Attach note "Audio 20 radio retrofitted as per AN82.60-P-0017LW" under field organization texts to design group 82
15	Connect diagnostic system and select vehicle via the vehicle identification number (VIN)
			AD00.00-P-2000-04B
16	Carry out variant coding using software calibration number (SCN)	Electronic ignition switch control unit Head unit
17	Disconnect diagnostic system
			AD00.00-P-2000-04B
	Check
18	Perform function test	See Owner's Manual.