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

Model 238.3

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

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

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Connection scheme

Routing diagram

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Expose strapped down branch-off line (arrow M) for rear dashcam.

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Expose black plug (8.1) of dashcam wiring harness (8).
To do this remove the fabric tape (41) and pocket (40) from dashcam wiring harness (8).

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Route branch-off line for dashcam at rear of dashcam wiring harness (8) from driver's side fuse and relay module to A-pillar.
Route branch-off line for dashcam at rear behind the crossmember for the instrument panel.

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

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Route branch-off line for rear dashcam of dashcam wiring harness (8) on roof lining towards rear up to center of roof lining.
Route branch-off line for dashcam at rear behind mount (arrow E).
Strap down excess lengths of dashcam wiring harness (8) in area of A-pillar.
Then fasten dashcam wiring harness (8) on roof lining using felt adhesive tape.
Shown with removed roof lining

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