SRS light on, seat belt presenter not working, some advice please!

mikey1984

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Aug 10, 2016
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CLK220 CDi W209
Hi, some advice please folks, my seat belt presenter on the drivers side has stopped working, it puts the SRS warning on, but when I get moving it goes out but the seat belt not fastened warning flickers on and off, any ideas?
 

Trickythemerc

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CLK 220 CDI Sport 2009
I would start with checking the wiring under the seat, look for any loose or corroded connections. Does the passenger side work as it should ? Not sure which SAM controls the seat belt butlers, may even be the DCM.
 
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mikey1984

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Aug 10, 2016
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CLK220 CDi W209
Hi yes the passenger side works as it should, the fault is intermittent, it worked fine earlier today but I moved the seat forward to collect something from the back seat and it started then so a loose connection under the seat makes sense, I'll have a look and post back, thanks for your response
 

PobodY

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Aug 23, 2016
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CLK350 Sport
Absolutely start with the connections under the seat. - Mine does this too; particularly when the passenger seat has been pulled forward (otherwise if you don't disturb it, it tends to behave).

Just don't fiddle with the connections with the ignition on; I'm sure I read that will generate a more serious code that's not easy to delete.
 
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mikey1984

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Aug 10, 2016
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CLK220 CDi W209
Thanks for the tip, it's been intermittent for a week or so now, seems when I first get in the car in the morning it doesn't do it, but if I stop and restart it plays up, I'll have a look over the next couple of days and post back
 

PobodY

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It's annoying, but less worrying when you know what the fault is.
 

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