Retrofit Mercedes-Benz Dashcam wiring harness

AZ54.71-P-0001-01LF

Retrofit Mercedes-Benz Dashcam wiring harness

Topical note

Notes on the use of paint scraping nuts on ground connections

AH00.19-P-1000-20A

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

Model

222

 Ground points

Number

Designation

Model 222
up to model year 2018

Model 222
as of model year 2018

BA00.19-P-1036-01C

Driver footwell frame floor assembly ground point

W85/1

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

8

Dashcam wiring harness

8.5

Fuse holder

8.15

Front dashcam mount

8.1

Black plug

8.6

Y-line

K40/6

Driver-side fuse and relay module

8.2

Ferrite core

8.7

Y-line

N10/6

Front SAM control unit

8.3

Blue 2-pin connector

8.9

Blue 2-pin connector

W85/1

Driver footwell frame floor assembly ground point

8.4

Fuse holder

8.10

Ground cable

Routing diagram "Retail"

8

Dashcam wiring harness

8.1

Black plug

8.15

Front dashcam mount

K40/6

Driver-side fuse and relay module

N10/6

Front SAM control unit

W85/1

Driver footwell frame floor assembly ground point

Routing diagram "Vehicle Preparation Center"

8

Dashcam wiring harness

8.1

Black plug

8.15

Front dashcam mount

K40/6

Driver-side fuse and relay module

N10/6

Front SAM control unit

W85/1

Driver footwell frame floor assembly ground point

1

Route dashcam wiring harness (8) from front dashcam mount under roof lining to the left to the A-pillar.

2

Fasten ferrite cores of dashcam wiring harness (8) to overhead control panel mount (36) using cable ties (arrows A).

3

Route the three individual lines of the dashcam wiring harness (8) above the window airbag (30).

4

Route the three individual lines of the dashcam wiring harness (8) above the window airbag (30) into the footwell.

 Route the three individual lines of the dashcam wiring harness (8) behind the crossmember for the instrument panel.

5

Route ground line (8.10) of dashcam wiring harness to driver footwell frame floor assembly ground point (W85/1) and connect.  

6

Remove violet coupling (MR2) from front SAM control unit (N10/6).

7

Remove gray 21-pin connector insert from violet coupling (MR2).

8

Remove line (20) from contact cavity "29" of gray 21-pin coupling insert (19).

 The appropriate tool is available in the  basic wiring harness repair kit or the  supplementary passenger car wiring harness repair kit.

9

Install line (20) in free contact cavity of blue 2-pin coupling (8.3) of dashcam wiring harness (8).

10

Lock blue 2-pin coupling (8.3).

11

Install line (8.8) of Y-line (8.7) into contact cavity "29" of gray 21-pin coupling insert (19).

12

Install gray 21-pin coupling insert into violet connector (MR2).

13

Attach violet coupling (MR2) to front SAM control unit (N10/6).

14

Connect blue 2-pin coupling (8.3) of dashcam wiring harness (8) to blue 2-pin plug (8.9) of Y-line (8.7).

15

Remove electrical fuse (29) from slot 207 (arrow B) of driver's side fuse and relay module (K40/6).

 The electrical fuse (29) is reused.
The fuse rating of the electrical fuse (29) is 15 A.

16

Release yellow fuse holder (24) at driver's side fuse and relay module (K40/6).

17

Remove red/black line (25) from contact cavity "4" (arrow C) of yellow fuse holder (24).

 The appropriate tool is available in the  basic wiring harness repair kit or the  supplementary passenger car wiring harness repair kit.

18

Install red line (8.12) of Y-line (8.6) in contact cavity "4" (arrow C) of yellow fuse holder (24).

19

Lock yellow fuse holder (24) at driver's side fuse and relay module (K40/6).

20

Install removed red/black line (25) in free contact cavity of fuse holder (8.4) of Y-line (8.6).

21

Install lock (8.13) in fuse holder (8.4) (arrow D).

22

Install electrical fuse (29) in fuse holder (8.4).

 The electrical fuse (29) was removed beforehand.
The fuse rating of the electrical fuse (29) is 15 A.

23

Plug both fuse holders (8.4, 8.5) of dashcam wiring harness (8) together.

24

Install electrical fuse (55) included in parts kit in slot 207 (arrow B) of driver's side fuse and relay module (K40/6).

 The fuse rating of the electrical fuse (55) is 25 A.

25

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 rear dashcam behind mounts for front and rear grab handles (arrows E) and lock coat hook mount (arrow F).

26

Strap down excess lengths of dashcam wiring harness (8) in area of A-pillar.

27

Finally, fasten dashcam wiring harness (8) on roof lining using felt adhesive tape.

Shown with removed headliner