Retrofit Universal Media Interface control unit - AZ82.85-P-0004-04CX

Universal Media Interface (1) control unit wiring diagram

Fig 1: Identifying Universal Media Interface Control Unit - Wiring Diagram

Courtesy of MERCEDES-BENZ USA

Remove rubber insulation in front passenger footwell in cross-hatched area.
Do not damage insulation underneath.

Fig 2: Identifying Rubber Insulation Area Of Front Passenger Footwell
Courtesy of MERCEDES-BENZ USA
Stick double-sided adhesive tape (17) to rear of Universal Media Interface control unit (1).
Connect black, 32-pin coupling (5) of Universal Media Interface adapter wiring harness (3), coupling for LVDS display wiring harness (15.2) of LVDS display wiring harness (15) and coupling for LVDS head unit wiring harness (16.2) of LVDS head unit wiring harness (16), as shown, to Universal Media Interface control unit (1).

Fig 3: Identifying Double-Sided Adhesive Tape To Rear Of Universal Media Interface Control Unit
Courtesy of MERCEDES-BENZ USA
Connect blue, 4-pin coupling for connecting cable (2.2) and black, 18-pin coupling for connecting cable (2.1) of connecting cable (2) to Universal Media Interface control unit (1).
Connect red GPS antenna coupling (18.1) of GPS antenna wiring harness (18) to Universal Media Interface control unit (1).
Detach carrier foil of double-sided adhesive tape and stick Universal Media Interface control unit (1), as shown, onto the propeller shaft tunnel.

Fig 4: Identifying Universal Media Interface Control Unit, Connecting Cables And GPS Antenna Coupling
Courtesy of MERCEDES-BENZ USA

Do not compress condensation drain hose (25) of the air conditioner housing, otherwise condensation may not be able to drain from the air conditioning system.
Strap down excess lengths of connected lines for Universal Media Interface control unit (1) and fasten in place using felt tape (24).
Remove foam insulation (26.1) of floor covering (26) in cross-hatched area.
Do not damage the floor covering (26) underneath.

The floor covering (26) will be installed at a later stage.

Fig 5: Identifying Foam Insulation Area Of Floor Covering
Courtesy of MERCEDES-BENZ USA