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How to Replace the Window Switch Button on the Smart 451?

Model: Smart Smart 451 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Part: Power window switch

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Video tutorial

To replace the window switch button on the Smart 451, you will need a flathead screwdriver and a plastic lever. With these two tools, unclip the cover from the handle on the driver's side and remove the window switch panel from its housing.

After disconnecting the electrical connector, extract the faulty button by leveraging the locking mechanism. Before inserting the new button into the switch panel, connect it to the connector and test it, then install it and reposition both the switch panel and the cover.


Posted on 29 July 2026 by ScegliAuto


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by ScegliAuto

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