52 13 455 Replacing left or right heating elements for front seat (normal/manual)
Necessary preliminary tasks:
- Remove the SEAT COVER
NOTE:
Heating element is bonded to the foam section and cannot be separated from each other without incurring damage.
Foam section and heating mat must be replaced.
Foam section and heating mat must be replaced.
Check new foam part:
- No obvious damage or material defects
- All trim wires present in foam
- No bubbles in foam part
- No dirt contamination on foam or residual foam
- Pay attention to foam part on left and right
Check new heating mat:
- No obvious damage or material defects
- All tear-off film pieces present
- 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 edge.
- 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 edge.
- 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 the FUNCTION CHECK .