52 15 055 Removing and installing or replacing lumbar cushion on front seat

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks

Detach backrest cover (1) from backrest frame.

Fig 1: Disconnecting Backrest Cover From Backrest Frame

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Unlock quick connectors and detach air hoses (1 and 2) from valve body (3).

NOTE: Connections are coded against incorrect assembly.

Fig 2: Identifying Air Hoses On Valve Body

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Detach lumbar support (1) from spring wire (2).

Installation note:

Attach lumbar support (1) at third and fifth wire from below.

Unclip air hoses (3) and (4) from holder.

Fig 3: Detaching Lumbar Support From Spring Wire

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Press back padding (1) a little.

Pull out lumbar cushion (2) towards top.

Feed air hoses out of backrest frame and spring wire.

Fig 4: Pulling Out Lumbar Cushion Towards Top

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Installation note:

Check lumbar support at top (1) and bottom (2) for damage.

Air hoses (3) must not be kinked.

Fig 5: Identifying Air Hoses, Lumbar Support At Top And Bottom

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Installation note: