52 17 402 Replacing seat cover for driver's seat (comfort)

Necessary preliminary tasks: 

• Remove FRONT SEAT 
• Remove BOTH REAR PANELS  on front seat backrest
• Remove INNER COVER  on front seat
• Remove THIGH SUPPORT 
• Remove SWITCH COMBINATION for seat adjustment

Unclip cover (1) on front seat.

Fig 1: Identifying Front Seat Cover

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Installation note: 

Remove metal clamps (1) left and right on the cover.

Bend up metal clamps and insert back into the cover.

Clip metal clamps (1) with cover into the center slot on the seat mechanism.

Guide lug must not be broken.

Renew faulty cover if necessary.

Fig 2: Removing Left And Right Cover Metal Clamps

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Unclip trim (1) for thigh support carrier with special tool 00 9 317 .

Fig 3: Removing Trim For Thigh Support Carrier With Special Tool

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Release clamps in area (1).

Detach seat cover in area (2) on left and right.

Remove cable (3).

Fig 4: Identifying Seat Cover, Clamp And Cable

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Unhook seat cover in marked area (1).

With seat heating only as optional equipment: 

Disconnect plug connection (1).

Remove seat cover complete with upholstery.

Fig 5: Disconnecting Seat Cover Marked Area

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With air conditioning only as optional equipment: 

Unfasten plug connection (1) and disconnect.

Fig 6: Identifying Plug Connections

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Detach all clamps in side area from longitudinal wires (1).

Pull trim wires (1) forward out of seat cover.

Carefully fold back seat cover and release clamps from cross-wires (2).

Remove seat cover from upholstery.

Fig 7: Identifying Trim Wires And Cross-Wires

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Installation note: 

Bend new retainers closed with pliers 52 0 050 .

1. Upholstery
2. Clamp
3. Trim wire in upholstery
4. Trim wire in cover
5. Seat cover
   Fig 8: Bending Retainers Using Special Tool (52 0 050)

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Replacement only: 

If necessary, cut mounting for trim threads.

Slide trim threads (1) into new seat cover.

Fig 9: Identifying Seat Cover Trim Threads

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