52 13 455 Replacing Heating Elements For Left or Right Front Seat (Basic)

52 13 455 Replacing heating elements for left or right front seat (basic)







Necessary preliminary tasks:
- Remove seat cover

NOTE:
- Heating element is bonded to the foam section and cannot be separated from each other without incurring damaging
- Foam section and heating mat must be replaced.







Check new foam section:
- No obvious damage or material defects
- All trim wires present in foam
- No bubbles in foam section
- No dirt/contamination on foam or residual foam
- Pay attention to foam section on left and right

Check new heating mat:
- No obvious damage or material defects
- All tear-off film pieces presents
- Note variant by examining label on cable







Guide cable for backrest heating through foam hole.

Stick on main section (1):
- Pull adhesive film pieces off main section (1) and stick to upper edge of main section foam until flush

Stick on bead section (2):
- Pull adhesive film pieces off bead section (2) and stick on heating mat along bead section edges.
- Press down evenly in outwards direction







Guide cable for seat heating through foam hole.

Stick on main section (1):
- Pull adhesive film pieces off main section (1) and stick to upper edge of main section foam until flush

Stick on bead section (2):
- Pull adhesive film pieces off bead section (2) and stick on heating mat along bead section edges.
- Press down evenly in outwards direction







Check laying of heating mats:
- Heating mats laid without folds
- Heating mats correctly positioned
- All bonding surfaces stuck on

NOTE: Carry out function check.