52 26 411 Replacing backrest cover for left rear seat

Special tools required: 

• 52 0 050

Necessary preliminary work: 

• Remove REAR SEAT BACKREST , left
• Remove GUIDE SLEEVES 

Depending on equipment specification: 

Ohne SA 413: Unclip cover (1) for combined roller cover mount.

Mit SA 413: Unclip trim cover for combined roller cover mount.

Fig 1: Identifying Cover For Combined Roller Cover Mount

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With option SA 413: 

Release screws (1).

Tightening torque 52 26 09AZ .

Remove mount for combined roller cover.

Fig 2: Identifying Combined Roller Cover Screws

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Gently slide lock finisher (1) on side edge of backrest downwards and unclip to one side.

Gently slide lock finisher on rear side towards middle.

Unclip and remove lock finisher.

Fig 3: Removing Lock Trim

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Installation note: 

Retaining lugs on the trim cover for the lock must not be damaged.

Replace defective trim cover for lock.

Fig 4: Identifying Cover Retaining Lugs

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Insert plastic wedge from outside between cover (1) and lock.

Carefully lever outer side of cover (1) with plastic wedge upwards out of catch.

Lever inner side of cover (1) with plastic wedge out of catch.

Remove cover upwards.

Fig 5: Inserting Plastic Wedge Between Cover And Lock

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Release screws.

Tightening torque 52 26 06AZ .

Lift out trim.

Fig 6: Locating Trim Screws

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Feed belt strap out of trim.

Fig 7: Folding Belt Strap Out Of Trim

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Carefully unclip strip (1) for channel cover along the marking on left and right.

Fig 8: Removing Channel Cover Strip

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Installation note: 

Latch mechanisms must not be damaged

Replace defective strip for channel cover.

Fig 9: Identifying Defective Strip For Channel Cover

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Use plastic wedge to unclip front center armrest trim cover (1).

Fig 10: Removing Front Center Armrest Trim Cover

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None of the retaining lugs on trim must be damaged.

Replace defective center armrest cover.

Fig 11: Identifying Defective Center Armrest Cover

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Disengage welt in marked area from metal clamps.

Fig 12: Identifying Metal Clamps Welt Marked Area

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Release screw (1).

Tightening torque 52 26 02AZ .

Remove outer mount (2).

Fig 13: Identifying Outer Mount With Screw

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Lever out welt in marked area from backrest frame.

Remove backrest cover with padding from backrest frame.

Fig 14: Removing Backrest Cover

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Detaching cover and upholstery: 

• Release all clamps in marked area
• Remove cover from upholstery
• Remove all remnants of retainers from cover and padding
  Fig 15: Identifying Clamps In Marked Area

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Installation note: 

Insert new clamp (2) with special tool 52 0 050 and bend closed.

1. Upholstery
2. Clamp
3. Trim wire in upholstery
4. Trim wire in backrest cover
5. Backrest cover
   Fig 16: Inserting Clamp With Special Tool (52 0 050)

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Replacing cover: 

• Pull all trim wires out of cover
• If necessary, cut pockets in new cover for trim wires
• Push trim wires into cover pockets
  Fig 17: Identifying Cover Trim Wires

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