Smoke From Cluster 560SEL - Mercedes-Benz Forum
 
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post #1 of 7 (permalink) Old 11-30-2009, 09:35 PM Thread Starter
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Smoke From Cluster 560SEL

Hi guys, I'm new to the forum. Found some very useful info. I just took my cluster out to see how many pins the outside temp display had and to change a bulb. After putting the cluster back, I turned on the car to check and see if all the bulbs worked and the cluster started to smoke. I turned off the car and pulled the cluster out again and found the wire going to the SRS bulb melted. I haven't tried turning it on again, afraid something may catch fire. Please help any info would be greatly appreciated. Thanks
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post #2 of 7 (permalink) Old 11-30-2009, 09:38 PM
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Welcome to the forum.
The electrical diagram pdf is too large to be attached here.
If you need the file, PM me with email address, and i'll attach.

The forum archive has a wealth of information available at your finger tips.
The search function accepts 2 words of at least 3 letters.
For all available resources / forum features / 'how to' navigate the forum etc, please make sure to carefully read the 'Welcome to the Forum' announcement / tutorial sticky on top of the W126 page.
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post #3 of 7 (permalink) Old 11-30-2009, 10:02 PM
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Check your email. The electric diagram pdf is a 252KB whopper.
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post #4 of 7 (permalink) Old 11-30-2009, 10:07 PM Thread Starter
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got the email thanks
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post #5 of 7 (permalink) Old 11-30-2009, 10:29 PM Thread Starter
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I found this diagram on w126shop.com I circled what melted. I'm not too good at reading wiring diagrams and don't really know what to do next after looking at the diagram.
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post #6 of 7 (permalink) Old 12-01-2009, 12:06 AM
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what probably happened is that when you took out the cluster, the D-key on the 15 pin plug broke as they get brittle. When you replaced it, you skewed the pins and smoke checked it. This happened to me while rebuilding Mapearsos cluster. Bad news is the cluster is toast. Good news is that I have 5 replacement 560 clusters and can transplant your odo.

I am away in Phoenix for two days rescuing a SEC but will be back Wed. PM me if you need my help.

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post #7 of 7 (permalink) Old 12-01-2009, 06:07 AM Thread Starter
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I think the clusters ok here's two pics of what melted. I wrapped the wire with electric tape to cover all the melted insulation. I think when I pushed the cluster back in place the SRS indicator wire got pinched and shorted out, but this morning when I wrapped it up and checked to see if it still works the bulb lit up, so I have no idea what happened. Hopefully no more smoke comes out from anywhere we all know its a pain to get it back in once it comes out .

Thanks for the help guys. I'll keep you updated if anything goes wrong.
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