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

MODEL 218.3## (except 218.374/375/376/392) 1# up to 5/31/12 up to model year 2013 with CODE 510 (Audio 20 with CD changer) without CODE 088 (Control code NTG 4.5) without CODE 494 (US version) without CODE 498 (Japanese version) 

MODEL 218.3## (except 218.374/375/376/392) 1# up to 5/31/12 up to model year 2013 with CODE 523 (MB Audio 20 radio) without CODE 088 (Control code NTG 4.5) without CODE 494 (US version) without CODE 498 (Japanese version) 

Fig 1: Identifying Universal Media Interface Control Unit Wiring Harness

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Center Console Cover And Media Interface Electrical Connector

Courtesy of MERCEDES-BENZ USA

	Remove
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Move front passenger seat toward rear
2	Remove glove compartment
			AR68.10-P-1400EL
3	Remove radio (A2)
			AR82.60-P-7502EW
4	Remove Audio/COMAND display (A408)
			AR82.60-P-7722EL
5	Remove instrument cluster cover (11) from instrument cluster (A1)
			AR54.30-P-6015EL
6	Remove front center console
			AR68.20-P-2000EL
7.1	Remove center console cover (12) and wiring harness with Media Interface electrical connector (X18/70)	With CODE 518 (Media Interface)
			AR68.20-P-2150ELA
		The wiring harness with the electrical Media Interface connector (X18/70) is no longer required.
7.2	Remove center console cover (12) and AUX connection electrical connector	Except CODE 518 (Media Interface)
			AR68.20-P-2150ELA
		The AUX connection electrical connector is at the same location as the Media Interface electrical connector (X18/70). The AUX connection electrical connector is no longer required.
	Install
8	Retrofit Universal Media Interface adapter wiring harness		AZ82.85-P-0004-02EL
		Long wedge	Figure
9	Retrofit low voltage differential signal (LVDS) wiring harness		AZ82.85-P-0004-03EL
10	Retrofit GPS antenna (retrofit) (A2/23)		AZ82.61-P-0003-02EL
11	Install instrument cluster cover (11) for instrument cluster (A1)
			AR54.30-P-6015EL
12	Install Audio/COMAND display (A40/8)
			AR82.60-P-7722EL
13	Retrofit Universal Media Interface connecting cable (2)		AZ82.85-P-0004-05EL
14	Install center console cover (12)
			AR68.20-P-2150ELA
15	Install front center console
			AR68.20-P-2000EL
		When doing so, the Universal Media Interface connecting cable (2) must be placed in the front passenger footwell. It is connected at a later stage to the Universal Media Interface control unit (1).
16	Install radio (A2)
			AR82.60-P-7502EW
		When installing the radio (A2), make sure that the wiring harnesses located in the radio recess are not pinched. A short circuit can otherwise occur.
17	Retrofit Universal Media Interface control unit (1)		AZ82.85-P-0004-04EL
18	Install remaining parts
19	Enter special equipment in on-line vehicle data card via vehicle documentation system (VeDoc)	Log in navigation by entering 3-digit code "56o" in instrument cluster. Ensure here that the third digit is the letter "o" for Oscar. Delete:  Code 518 (Media interface) (if installed)
20	Document retrofitted equipment through VeDoc	Attach note "Universal Media Interface retrofitted as per AZ82.85-P-0004EL " under field organization texts to design group 82.
21	Connect Star Diagnosis and select vehicle via the vehicle identification number (VIN)
22	Perform variant coding with XENTRY using the software calibration number (SCN)		AZ00.01-P-1001-02A
		Variant coding with XENTRY using the software calibration number (SCN) must be carried out in sequence for the following control unit. "UMI navigation (N125/2)"
23	Start up Universal Media Interface		AZ00.01-P-1001-01A
24	Disconnect Star Diagnosis
25	Run function check on Universal Media Interface	The AUX connection electrical connector that is installed as standard no longer works. Information on the Universal Media Interface is displayed via the instrument cluster (A1).

Fig 3: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA