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Home >> Mercedes Benz >> 2023 >> GLA250 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Electrical System, Equipment & Instruments (2 Of 3) -- 118 Chassis) >> Retrofitting & Conversion >> Retrofit Wiring Harness For Mercedes-Benz Dashcam At Rear With Existing Mercedes-Benz Dashcam At Front - AZ54.71-P-0003-01MFR

Retrofit Wiring Harness For Mercedes-Benz Dashcam At Rear With Existing Mercedes-Benz Dashcam At Front - AZ54.71-P-0003-01MFR

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Model 118.3 

Topical note  Notes on retrofitting electrical/optical lines   AH82.00-P-0000-01A
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1144-02A Adhesive tape roll, non-woven Tesa tape, 50 meters, 50 mm wide A 008 989 50 85 09
G16064064Courtesy of MERCEDES-BENZ USA

Connection scheme 

Routing diagram 

G16064065Courtesy of MERCEDES-BENZ USA
  1. Expose strapped down branch-off line (arrow M) for rear dashcam.
    G14690375Courtesy of MERCEDES-BENZ USA
  2. Expose black plug (8.1) of dashcam wiring harness (8).

    IMPORTANT

    To do this, remove the fabric tape (41) and pocket (40) from dashcam wiring harness (8).

    G12621955Courtesy of MERCEDES-BENZ USA
  3. Route branch-off line for rear dashcam of dashcam wiring harness (8) from vehicle interior fuse and relay module (F152/4) to A-pillar at top.

    IMPORTANT

    Route dashcam wiring harness (8) through cable duct behind crossmember for instrument panel.

    Route branch-off line for dashcam at rear above the window airbag (30).

    Use a pull-through device.

    G15489945Courtesy of MERCEDES-BENZ USA
  4. Route branch-off line for rear dashcam of dashcam wiring harness (8) on roof lining towards rear up to center of roof lining.

    IMPORTANT

    On vehicles with code 413 (Panoramic sliding roof/glass roof)

    Route branch-off line for dashcam at rear behind mount for rear coat hook (arrow).

    IMPORTANT

    On vehicles without code 413 (Panoramic sliding roof/glass roof)

    Route dashcam wiring harness (8) in front area at the same level. Route branch-off line for dashcam at rear behind mount for rear grab handle.

  5. Strap down extended lengths of dashcam wiring harness (8) in front passenger footwell.
  6. Fasten dashcam wiring harness (8) on roof lining using felt adhesive tape.

    Shown on vehicle with code 413 (Panoramic sliding sunroof/glass roof) with removed roof lining 

    G16063993Courtesy of MERCEDES-BENZ USA
  7. Route dashcam wiring harness (8) by dimension (a) beyond edge of cutout for additional brake lamp in roof lining (b).

    IMPORTANT

    Dimensions: 

    a = 280 mm

    G16063994Courtesy of MERCEDES-BENZ USA