W211 Seat Cooling/Heating Issues

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  • Thread starterkidua
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kidua
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After a few weeks I had a problem with the heated/cooled seats.
The fuse keeps blowing even with the cooling/heating off (it may take a day or two, but after replacing the fuse everything works).
Several people have told me that the heating mat may have broken.
However I don't know if this could be the problem as it is not on and if I turn it on the fuse does not trip. Have any of you had a similar problem? Could it be the control unit? When I try to communicate with the control unit via Xentry it seems to work fine and displays the current status correctly. Does anyone know what cables might be damaged?
 
Usually there is always damage inside the seats. Remove, disassemble, you will find a short circuit to ground.
 
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Is there some kind of connector under the seat that I could just unplug to see which seat it is?
 

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