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Home >> Mercedes Benz >> 2021 >> A220 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 177 Chassis (2 Of 4) >> Retrofitting & Conversion >> Retrofit Wiring Harness For Mercedes-Benz Dashcam At Rear With Existing Mercedes-Benz Dashcam At Front >> Retrofit Wiring Harness For Mercedes-Benz Dashcam At Rear With Existing Mercedes-Benz Dashcam At Front - AZ54.71-P-0003-01MFK

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

Model 177.0 

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-1133-06A Silikonspray Silikon-Fluid, 0.4 l art. no. 0893 221 000 Adolf Wurth GmbH & Co. KG
Reinhold-Wurth-Str. 12-17
74653 Kunzelsau-Gaisbach
Germany
Tel. +49 7940 15-0
Fax +49 7940 15-1000
http://www.wuerth.de
BR00.45-Z-1144-02A Adhesive tape roll, non-woven Tesa tape, 50 meters, 50 mm wide A 008 989 50 85 09
G15490114Courtesy of MERCEDES-BENZ USA

Connection scheme 

Routing diagram 

G15490115Courtesy 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 sunroof/panoramic roof)

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

    IMPORTANT On vehicles without code 413 (Panoramic sliding sunroof/panoramic roof)

    Route dashcam wiring harness (8) in front area at same height.

    Route branch-off line for rear dashcam behind mount for rear grab handle.

  5. Strap down extended lengths of dashcam wiring harness (8) in area of their routing.
  6. Fasten dashcam wiring harness (8) on roof lining using felt adhesive tape.
    G15489960Courtesy of MERCEDES-BENZ USA

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

  7. Remove cable duct (33) from liftgate and from rear roof frame.
    G14690324Courtesy of MERCEDES-BENZ USA
  8. Route dashcam wiring harness (8) through opening for cable duct (33) at rear roof frame.

    IMPORTANT Use a pull-through device.

    G15489962Courtesy of MERCEDES-BENZ USA
  9. Route dashcam wiring harness (8) through cable duct (33) into liftgate.
  10. Route dashcam wiring harness (8) by dimension (a) beyond center of tailgate (b) to the left.

    IMPORTANTDimensions: 

    a = 170 mm

    Coat cable duct (33) from inside with silicone spray before routing.

    Use a pull-through device.

  11. Fix dashcam wiring harness (8) in place with cable ties (arrows).
  12. Attach cable duct (33).
G14690326Courtesy of MERCEDES-BENZ USA