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

MODEL 211.2## (except 211.276/277) 1# up to 1.6.08 with CODE (523) MB Audio 20 radio with CODE (803) Model year 2003 with CODE (804) Model year 2004 with CODE (805) Model year 2005 with CODE (806) Model year 2006 with CODE (807) Model year 2007 with CODE (808) Model year 2008 

Fig 1: View Of Radio Control Panel And Navigation Unit

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Locating Fiber Optic Cable Connector (MOST)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Check whether a CD has been inserted into the Audio 20 CD radio, if necessary remove CD
	Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
2	Disconnect battery ground line		AR54.10-P-0003TA
3	Remove inner paneling on right side of load compartment		AR68.30-P-1180T
4	Remove covering under the left load compartment side inner paneling
5	Remove SAM control unit with fuse and relay box in luggage compartment	Do not disconnect electrical connectors.	AR54.21-P-1258TA
6	Remove left side trim in rear passenger compartment		AR68.30-P-4780T
7	Remove Audio 20 CD radio	Audio 20 CD radio is no longer required.	AR82.60-P-7502T
8	Remove instrument cluster	On vehicles without code (596) Heat insulating glass	AR54.30-P-6015T
9	Remove left front floor covering		AR68.20-P-2050T
10	Release trim at left B-pillar in lower area as far as possible until the cable duct is accessible		AR68.30-P-4700T
11	Release rubber door seal in lower area of left rear door
12	Remove door sill of left rear door sill
13	Remove cable duct cover on left side of rear seat backrest
14	Open left cable duct at rear seat
15	Open engine hood and raise to vertical position	On vehicles with code (596) Heat insulating glass	AR88.40-P-1000T
16.1	Remove dust filter housing	On vehicles with code (596) Heat-insulating glass and with code (580) Automatic air conditioning or with code (581) Comfort automatic air conditioning up top VIN end no. A635991 or up to VIN end no. X170336	AP83.00-P-8381T
16.2	Remove combination filter housing	On vehicles with code (596) Heat-insulating glass and with code (580) Automatic air conditioning or with code (581) Comfort automatic air conditioning as of VIN end no. 635992 or as of VIN end no. X170337	AP83.00-P-8384T
	Install
17	Retrofit antenna for global positioning system (GPS)	On vehicles without code (596) Heat insulating glass	AN82.61-P-7474-04TTT
		On vehicles with code (596) Heat insulating glass	AN82.61-P-7474-04TB
		Glass removal device, model FSC 1.6 gotis://K_67.0_01.0	*202589176300
18	Retrofit audio gateway control unit		AN82.61-P-0001-07TA
19	Retrofit wiring harness of radio control panel and navigation unit (A2/56)		AN82.61-P-0001-01TA
			*220589029900
20	Check whether the fiber optic cable connector (MOST) (X39/50) is installed in the rear cable duct, at the left next to the rear bench seat
21	Retrofit Media Oriented System Transport fiber optic cable (MOST) for radio control panel and navigation unit (A2/56)	For vehicles without fiber optic cable connector (MOST) (X39/50).	AN82.61-P-0001-06TAB
		For vehicles with fiber optic cable connector (MOST) (X39/50).	AN82.61-P-0001-06TAC
	Notes on fiber optic cable		AH82.70-P-0001-02T
	Notes on avoiding damage to fiber optic cables during repair work		AH82.60-P-0001-05AK
22	Retrofit MOST fiber optic cable wiring harness for CD changer	On vehicles with code (819) CD-changer	AN82.61-P-0001-06TAF
	Notes on avoiding damage to fiber optic cables during repair work		AH82.60-P-0001-05AK
23	Retrofitting AM/FM antenna line		AN82.62-P-0001-04TC
24	Assemble vehicle	Operation steps 16.2 to 8 and 6 to 3.
25	Install radio control panel and navigation unit (A2/56)	Wrap felt tape around on-board AM/FM antenna line and on-board fiber optic cable for Audio 20 CD radio (no longer required) and strap down in center console.	AR82.60-P-7502T
26	Connect ground cable to battery		AR54.10-P-0003TA
27	Connect up STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
28	Perform basic programming		AR00.19-P-0200T
29	Flash those MOST components that do not have the latest software release.		AR54.21-P-0014Y
30	Perform variant coding using STAR DIAGNOSIS to activate the functions of the radio control panel and navigation unit (A2/56)	Follow the instructions in the Diagnosis Assistance System. After completing the variant coding, perform a quick test and delete the fault memory.
31	Add special equipment to the vehicle data card and to the online vehicle data card	Delete code (523) MB Audio 20 CD radio and enter code (525) MB Audio 50 APS radio. Delete old radio identification number and enter new one.
32	Close STAR DIAGNOSIS		AD00.00-P-2000-04A
33	Perform function check of radio control panel and navigation unit (A2/56)	Refer to operating instructions of radio control panel and navigation unit (A2/56).

Fig 3: Identifying Cutting Blade, Straight, Blade Length 35 mm (202 589 17 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Wiring Harness Repair Kit (220 589 02 99 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.