Retrofit Universal Media Interface - AZ82.85-P-0004CX

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 (359) TELE AID emergency call system installation kit with connecting cable 

Fig 1: Identifying Universal Media Interface Control Unit, Connecting Cable, Radio And GPS Antenna (Retrofit)

Courtesy of MERCEDES-BENZ USA

	Remove
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Move front passenger seat toward rear
2	Remove door sill from front passenger footwell
3	Detach edge guard in area of A-pillar trim and door sill in front passenger footwell
4	Remove paneling on A-pillar in front passenger footwell
5	Remove front right floor covering
6	Remove glove box		AR68.10-P-1200CW
7	Remove instrument cluster		AR54.30-P-6015CW
8	Remove radio (A2)		AR82.60-P-7502CW
9	Remove Audio/COMAND display		AR82.60-P-7722CW
10	Remove center air vent		AR83.10-P-4503CW
11	Remove covering for speaker of center instrument panel speaker	To do so use long wedge to carefully unclip speaker covering starting from front and then remove the speaker covering.
		Long wedge	Fig 2
	Install
12	Retrofit Universal Media Interface adapter wiring harness		AZ82.85-P-0004-02CX
13	Retrofit low voltage differential signal (LVDS) head unit wiring harness and LVDS display wiring harness		AZ82.85-P-0004-03CX
14	Retrofit GPS antenna (A2/23)		AZ82.61-P-0003-02CX
15	Install radio (A2)		AR82.60-P-7502CW
16	Install Audio/COMAND display		AR82.60-P-7722CW
17	Retrofit connecting cable (2)	Rechargeable drill/screwdriver Body jig saw	AZ82.85-P-0004-05CX
18.1	Strap down the electrical connector for the media interface previously installed in the glove box to the vehicle wiring harness and wrap felt tape around it	On vehicles with  code (518) Media Interface
18.2	Strap down the electrical connector for the AUX connection previously installed in the glove box to the vehicle wiring harness and wrap felt tape around it	On vehicles without  code (518) Media interface.
19	Retrofit Universal Media Interface control unit (1)		AZ82.85-P-0004-04CX
20	Document retrofitted equipment via vehicle documentation (VeDoc)	Attach "Universal Media Interface retrofitted as per AZ82.85-P-0004CX " note under field organization text for design group 82.
21	Connect Star Diagnosis and select vehicle via the vehicle identification number (VIN)
22	Perform retrofit variant coding	Using STAR DIAGNOSIS carry out variant coding for activating the functions. Using XENTRY, manually code vehicles up to production period 30.5.09, to do so set "Customer-specific settings" of "Universal Media Interface (UMI)" instrument cluster to "installed". Code vehicles as of production period 1.6.09 with software calibration number (SCN), to do so log on navigation by entering the 3-digit codes "56o" into the instrument cluster. Make sure here that the third digit must be the letter "o" for Oscar.
23	Disconnect Star Diagnosis
24	Run function check on Universal Media Interface	It is only possible to display information from the Universal Media Interface via instrument cluster on vehicles with code (442) Comfort multifunction steering wheel.

Fig 2: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA