Caution
Special tools and workshop equipment required
Removing
- Remove the front headrests. Refer to → Chapter "Headrest, Removing and Installing".
- Open the side locks -arrows- on the cover -1-.

- Insert the Trim Removal Wedge -3409- in direction of -arrow A- between the cover zipper -1-.
- Bend the lower U-channel -3- in the direction of -arrow B-.
- Pull the upper side of the cover with the flat channel -2- out of the U-channel.

- Open the zipper by inserting the Trim Removal Wedge -3409- between the zipper and the cover.
- Bend the lower U-channel -1- in the direction of -arrow A-.
- Pull the upper side of the cover with the flat channel -2- out of the U-channel.
Note
The cover must be completely open to remove the upholstery.

- Remove cushion -1- from cover -2-.

Installing
- Insert the cushion -1- into the cover -2-.
- Insert headrest mount in upholstery with cover.
- Close the main zipper by moving the upper cover flat channel -1- over the cover -2-.
- Slide the edge of the fabric edge with the flat channel into the U-channel -5-.
- Closing the side locks is similar to the closing the main lock.
- After closing the main zipper and the side zippers with a needle or other pointed object, line up the cover and the profiles.
- Ensure the cover sits on the upholstery -3- without any wrinkles and without seam markings.
Install in reverse order of removal.

Driver/Front Passenger Seat Heating Element -Z6-/-Z8- , Removing and Installing
Driver/Front Passenger Seat Heating Element -Z6-/-Z8-, Removing and Installing, Standard Seat, Sport Seat, Folding Seat
Removing
- Separate the cover from the upholstery:
- Cut the electrical wire -3- off directly at the old backrest heating element -2-.
Note

Installing
- Align new heating element on backrest cushion.
Caution
- Bond the individual areas of the heating element in the sequence -A, B, C and D-.
- Route the connecting wires to the individual heating surfaces in the base of the gaps -arrows-.
- Pull electrical wire -2- through the slit in cushion -1-.
Install in reverse order of removal.

Seat Heating Element -Z6-/-Z8- , Removing and Installing, Comfort Seat
Removing
- Disconnect cover from upholstery. Refer to → Chapter "Lower Seat Frame Cover and Cushion, Separating, Standard, Comfort, Folding Seat".
- Cut the electrical wire -3- off directly at the old backrest heating element -2-.
- Loosen the heating surfaces -A- and -B- from the adhesive and remove.
Note
Installing
- Align new heating element on backrest cushion.
Caution
- Bond the individual areas of the heating element in the sequence -A, B, C and D-.
- Route the connecting wires to the individual heating surfaces in the base of the gaps -arrows-.
- Pull electrical wire -2- through the slit in cushion -1-.
Install in reverse order of removal.

Driver/Front Passenger Backrest Heating Element -Z7-/-Z9-, Removing and Installing
Driver/Front Passenger Backrest Heating Element -Z7-/- Z9-, Removing and Installing, Standard Seat, Sport Seat Folding Seat
Removing
- Disconnect cover from upholstery. Refer to → Chapter "Backrest Cover and Cushion, Separating".
- Cut the electrical wire -3- off directly at the old backrest heating element -2-.
Note
Installing
- Align new heating element on backrest cushion.
Caution

- Bond the individual areas of the heating element in the sequence -A and B-.
- Route the connecting wires to the individual heating surfaces in the base of the gaps -arrows-.
- Pull electrical wire -2- through the slit in cushion -1-.
Install in reverse order of removal.

Backrest Heating Element -Z7-/-Z9-, Removing and Installing, Comfort Seat
Removing
- Disconnect cover from upholstery. Refer to → Chapter "Backrest Cover and Cushion, Separating".
- Cut the wire -3- off directly at the old heating element -2-.
- Loosen the heating surfaces -A- and -B- from the adhesive and remove.
Note
The spacer fabric must not be damaged.
Installing
- Align new heating element on backrest cushion.
Caution
- Bond the individual areas of the heating element in the sequence -A and B-.
- Pull electrical wire -3- through the slit in cushion -1-.
Install in reverse order of removal.

Cover and Cushion Assembly Overview
Covers and Cushions, Removing and Installing
Cover and Cushion, Separating
Instrument Panel Side Cover, Removing and Installing
Attachments, Removing and Installing