Retrofit Wiring Harness For Mercedes-Benz Dashcam At Front - AZ54.71-P-0002-01LWG
Model 253
| Risk of injury during testing and repair operations related to pyrotechnical components | Do not expose pyrotechnical component parts to temperatures above 100°C or 212°F. Disconnect current supply when working on such component parts. |
AS91.00-Z-0008-01A | |
| Notes on the use of paint scraping nuts on ground connections | AH00.19-P-1000-20A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on retrofitting electrical/optical lines | AH82.00-P-0000-01A | ||
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Information, assessment and legal requirements when working with, handling and storing pyrotechnical components | AH91.00-Z-0000-10A |
GROUND POINTS
| Number | Designation | Model 253 (except 253.99) | Model 253.99 | ||
|---|---|---|---|---|---|
| BA00.19-P-1028-01E | Left footwell ground point | W34 | Nm | 10 | 10 |
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 |
Connection scheme
Routing diagram
- Route dashcam wiring harness (8) from front dashcam mount under roof lining to the left to the A-pillar.
- Fasten ferrite core (8.2) of dashcam wiring harness (8) using cable ties (arrows A) to overhead control panel mount (36).
- Use pliers through the openings (arrows H) to press shackles (arrows K) together and remove mounting clamps (4) for window airbag from A-pillar at top.
- Route dashcam wiring harness (8) above window airbag (30).
- Route dashcam wiring harness (8) above window airbag (30) into footwell.
Route dashcam wiring harness (8) behind crossmember for instrument panel.
- Position window airbag shackle and attach mounting clamps (4) for window airbag to A-pillar at top.
- Route ground line (8.10) of dashcam wiring harness to left footwell ground point (W34) and connect
.
- Remove violet coupling (MR2) from front SAM control unit (N10/6).
- Remove gray 21-pin connector insert from violet coupling (MR2).
- Remove line (20) from contact cavity "29" of gray 21-pin coupling insert (19).
basic wiring harness repair kit or the
- Install line (20) in free contact cavity of blue 2-pin coupling (8.3) of dashcam wiring harness (8).
- Lock blue 2-pin coupling (8.3).
- Install line (8.8) of Y-line (8.7) into contact cavity "29" of gray 21-pin coupling insert (19).
- Install gray 21-pin coupling insert into violet connector (MR2).
- Attach violet coupling (MR2) to front SAM control unit (N10/6).
- Connect blue 2-pin coupling (8.3) of dashcam wiring harness (8) to blue 2-pin plug (8.9) of Y-line (8.7).
- Remove electrical fuse (29) from slot 207 (arrow B) of driver's side fuse and relay module (K40/6).
The fuse rating of the electrical fuse (29) is 15 A.
- Release yellow fuse holder (24) at driver's side fuse and relay module (K40/6).
- Remove red/black line (25) from contact cavity "4" (arrow C) of yellow fuse holder (24).
- Install red line (8.12) of Y-line (8.6) in contact cavity "4" (arrow C) of yellow fuse holder (24).
- Lock yellow fuse holder (24) at driver's side fuse and relay module (K40/6).
- Install removed red/black line (25) in free contact cavity of fuse holder (8.4) of Y-line (8.6).
- Install lock (8.13) in fuse holder (8.4) (arrow D).
- Install electrical fuse (29) in fuse holder (8.4).
- Put both fuse holders (8.4, 8.5) of dashcam wiring harness (8) together.
- Install electrical fuse (55) included in parts kit in slot 207 (arrow B) of driver's side fuse and relay module (K40/6).
- Route branch-off line (arrow M) no longer required for dashcam at rear up to installation location of fuse and relay module on driver's side.
- Insert black plug (8.1) of Dashcam wiring harness (8) into pocket (40) made of felt.
- Fasten pocket (40) to Dashcam wiring harness (8) using fabric tape (41).
- Tie branch-off line (arrow M) for rear dashcam and fix in place in installation space behind the driver's side fuse and relay module.
- Strap down excess lengths of Dashcam wiring harness in area of A-pillar.
- Finally, secure Dashcam wiring harness on roof lining using felt adhesive tape.