S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Interior lights go out very quickly. error in BSN module

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Old Jan 8, 2023 | 08:35 AM
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Oderfla's Avatar
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mercedes s 500 w221 año 2005
Interior lights go out very quickly. error in BSN module

Hello, good to everyone. and happy New Year. I hope everybody is fine. I haven't written here for a long time. but I am always reading and learning from all of you. And now I wanted to know if you can help me with an error that I get in the BSN module. I have no error in the picture. I only see the error when I diagnose with xentry/das. I noticed that the interior lights go off very quickly and suddenly. In other words, I open the car with the remote control and as soon as I open the door, the lights go out and it's really uncomfortable. because my car is left in the dark inside. say that while the car is started the Lights if they stay on is only when I turn off the car and I'm going to get my baby out of the back seat they go out very quickly. I have interior lights set to 45 second and have changed them on all settings and still the same. both batteries are new. I don't know if it's some coding in xentry/das and if so, can you tell me which module to look at to see if it's well coded. now when I do diagnosis I get this error in the BSN module attached photos. the error tells me to check the cable to component F32. My question is what is that cable that I have to check.??? And if anyone else has had this symptom of lights going out too fast. ??? and how to fix it. In one of the photos that I attached, apparently the F32 K1 is a Relay but I don't see the way to change it. can someone tell me how to change it? or how to solve the interior lights that go out very quickly ???any help is very much appreciated. A big hug to everyone. Greetings from Spain.



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Old Jan 8, 2023 | 02:18 PM
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konigstiger's Avatar
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'71 Pinto
To start pull f32 & check all line attachments, see attachment.
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install front prefuse box.pdf (366.4 KB, 123 views)
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Old Jan 8, 2023 | 02:33 PM
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mercedes s 500 w221 año 2005
Hello my friend.

Thank you my friend for your quick response. I'll start looking around and see if I see a cable in bad condition or something in bad condition, a million thanks. You receive a warm greeting.
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