52 13 455 Replacing heating elements for left or right front seat (basic)
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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 onNOTE: Carry out Function Check.