52 17 023 Removing and installing/replacing adjusting unit for thigh support on left or right front seat

Move front seat into top position. Unclip cover (1) with special tool 00 9 325 starting at the inside (arrow).

Fig 1: Unclipping Cover

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Fold up and unclip cover (1).

Fig 2: Folding Up And Unclipping Cover

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Move thigh support (1) as far forward as possible.

Fig 3: Identifying Thigh Support

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Production date up to 04/2010: Release screws (1). Disconnect plug connections (2). Remove thigh support (3) towards top.

Fig 4: Identifying Plug Connections, Thigh Support And Screws

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From production date 04/2010: Unfasten plug connection (1) and disconnect. Unfasten screws (2). Remove thigh support upward.

Installation note: Insert screws (2) with Loctite.

Fig 5: Identifying Plug Connection And Screws

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Unclip and remove cover (1) toward the top with special tool 00 9 325.

Installation note: Secure guide pins (2) in seat frame and clip cover (1) into place.

Fig 6: Unclipping Trim

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Disconnect plug connection (1).

Fig 7: Disconnecting Plug Connection

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Release screws (1).

Fig 8: Releasing Screws

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Raise adjusting unit (1) complete with electric motor in direction of arrow and feed out downward.

Fig 9: Raise Adjusting Unit With Electric Motor

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Installation note: Adjusting unit (1) must lie flush on facing (2).

Fig 10: Adjusting Unit Must Lie Flush On Facing

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Installation note: Make sure latch mechanism (1) of adjusting frame is correctly on frame (2) (as illustrated).

Fig 11: Ensure Latch Mechanism Is Correctly On Frame

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