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W639 2004 SRS light -again !!

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Old 11-22-2020, 11:47 AM
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Angry W639 2004 SRS light -again !!

Hi guys, I have a 2004 W639 pretty mint with only 51k on the clock - ex police forensics van.
Since having it my dog chewed the cetre seat belt, mot is due tomorrow so bought a used belt off ebay
I fitted it today but now have the srs light on. Have scanned it with two different scanners but found no
faults. Stripped everything back out to check, seems ok. Put meter across the replacement belt connectors,
and got a very low reading of 6 ohms - does that sound right ?? Have the same reading on another seat belt so
assume it is ok. Is there a fuse for the srs system that I may have blown maybe?
Any suggestions welcomed - cheers,.
Old 12-11-2020, 07:53 PM
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Mercedes W639
Originally Posted by Mitch Pendry
Hi guys, I have a 2004 W639 pretty mint with only 51k on the clock - ex police forensics van.
Since having it my dog chewed the cetre seat belt, mot is due tomorrow so bought a used belt off ebay
I fitted it today but now have the srs light on. Have scanned it with two different scanners but found no
faults. Stripped everything back out to check, seems ok. Put meter across the replacement belt connectors,
and got a very low reading of 6 ohms - does that sound right ?? Have the same reading on another seat belt so
assume it is ok. Is there a fuse for the srs system that I may have blown maybe?
Any suggestions welcomed - cheers,.
Have a look under the seat and make sure all cables and plugs are tight. I had a similar situation a few years ago with my W639 and that’s all it needed.

Regards



John

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