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Home >> Mercedes Benz >> 2016 >> E400 Base, 2D Convertible >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 212 Chassis - 5 Of 8 >> Retrofitting & Conversion >> Retrofit Universal Media Interface control unit - AZ82.85-P-0004-04EW

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

MODEL 212.0## /2## (except 212.074 /077 /274 /277) 1# 

Universal Media Interface (1) control unit wiring diagram 

Fig 1: Universal Media Interface Control Unit Wiring Diagram
G10241937Courtesy of MERCEDES-BENZ USA
  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 2: LVDS Head Unit Wiring Harness And Coupling
    G10241938Courtesy of MERCEDES-BENZ USA
  2. Remove air duct (26)
    Fig 3: Air Duct
    G10241939Courtesy of MERCEDES-BENZ USA
  3. Route cable ties through holes (arrows A) and holder (arrow B).

    IMPORTANT The cable ties are then used to fasten the Universal Media Interface control unit (1).

    Fig 4: Routing Cable Ties Through Holes And Holder
    G10241940Courtesy of MERCEDES-BENZ USA
  4. Route Universal Media Interface adapter wiring harness (3), LVDS display wiring harness (15) and LVDS head unit wiring harness (16) to the Universal Media Interface control unit (1) and fasten in place using felt tape (24) as shown.
  5. Install Universal Media Interface control unit (1), as shown, and fasten in place using previously positioned cable ties (23).

    IMPORTANT Route cable ties through attachment points on Universal Media Interface control unit (1) and tighten.

    The Universal Media Interface control unit (1) must be fixed so that any noise development is prevented.

    Fig 5: Installing Universal Media Interface Control Unit
    G10241941Courtesy of MERCEDES-BENZ USA
  6. Route excess length of Universal Media Interface adapter wiring harness (3), of LVDS display wiring harness (15) and LVDS head unit wiring harness (16) behind the floor covering on the passenger-side (25) in loops.
  7. Place glove box (22) into footwell on passenger-side.
    Fig 6: Universal Media Interface Adapter Wiring Harness And Glove Box
    G10241942Courtesy of MERCEDES-BENZ USA
  8. 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).
  9. Connect red GPS antenna coupling (18.1) of GPS antenna wiring harness (18) to Universal Media Interface control unit (1).
    Fig 7: Universal Media Interface Control Unit Wiring Harness Routing Diagram
    G10241943Courtesy of MERCEDES-BENZ USA
  10. Install air duct (26).
    Fig 8: Air Duct
    G10241944Courtesy of MERCEDES-BENZ USA