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Home >> Mercedes Benz >> 2021 >> A220 4Matic >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electrical System, Equipment & Instruments - 177 Chassis (2 Of 4) >> Testing & Repair >> Repair Flexray Wiring Harness Using Axial Solder Connectors - AR54.18-P-0102-01A

Repair Flexray Wiring Harness Using Axial Solder Connectors - AR54.18-P-0102-01A

Model All (CAR) 

REFER TO SPECIAL TOOLS 000 588 00 84 00 Heat gun   WS54.00-P-0049B
REFER TO SPECIAL TOOLS 000 588 00 84 00 Heat gun   WS54.00-P-0049B
REPAIR MATERIALS

Number Designation  Order number
BR00.45-Z-1017-12A Heat-shrinkable tube 130 mm A 000 982 46 20
BR00.45-Z-1018-12A Solder connector A 000 982 95 10
  1. Slide the corresponding heat-shrinkable tube (1) onto the FlexRay line.

    IMPORTANT For repairs in the interior, shorten the heat-shrinkable tube to 65 mm. For repairs in the exterior area, use the heat-shrinkable tube with a length of 130 mm.

    G14470965Courtesy of MERCEDES-BENZ USA
  2. The Slide the axial solder connector (2) in the direction of the arrow onto the electric line (3) and past the solder point.

    IMPORTANT Push on the thinner side of the axial solder connector (2) first.

    G14470966Courtesy of MERCEDES-BENZ USA
  3. The Using the heat gun, heat the axial solder connector (2) to 400°C.

    NOTES Use the welding pearl catcher in the vehicle interior.

    Otherwise, damage could be caused by liquid soldering material.

    IMPORTANT Continue heating until the soldering ring dissolves and covering has thoroughly wrapped itself around the lines.

    G07069406Courtesy of MERCEDES-BENZ USA
  4. Check soldered point.

    IMPORTANT It must not be possible to see the soldering ring of the axial solder connector (2) any more. The covering must lie cleanly against the lines.

    G14470968Courtesy of MERCEDES-BENZ USA
  5. Install the axial solder connector (2) in the same position.

    IMPORTANT Make sure that after the procedure the electrical lines are laid as closely to each other as possible.

    IMPORTANT Ensure the repair area (entire heat-shrinkable tube (1)) is not within the bending area or on the fastener.

    G14470969Courtesy of MERCEDES-BENZ USA
  6. Center the heat-shrinkable tube (1), then, using a heat gun, heat to 200°C and shrink from the inside toward the outside.

    IMPORTANT Adhesive extrusion (4) must be visible on both ends.

    IMPORTANT Observe information provided by the heat gun manufacturer, especially information regarding the exposure time.

  7. Wrap fabric insulation tape around the wiring harness.
G14470970Courtesy of MERCEDES-BENZ USA