My 2004 Mercedes S430 driver door won't unlock manually. How do I fix this?

Asked by Guru9MHV54 Jan 17, 2023 at 06:31 PM about the 2004 Mercedes-Benz S-Class S 430

Question type: General

My key fob does not work, so I have to manually unlock and lock it.

1 Answer


You might have an issue with your BCM or the security system. Not sure what you need to do, But I would try and replace the battery in your fob first and or reprogram it?

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