E-Class (W211) 2003-2009

rear defogger wont work.

Old Aug 29, 2011 | 11:58 PM
  #1  
joe320nyc's Avatar
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2003 e 320 sport RWD
rear defogger wont work.

why is this?
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Old Aug 30, 2011 | 07:04 AM
  #2  
edwinwalke's Avatar
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From: Northern Virginia
2006 E320CDI
Originally Posted by joe320nyc
why is this?
fuse?
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Old Aug 30, 2011 | 11:48 AM
  #3  
paulv's Avatar
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03 E320 -wife's car now; 07 Porsche Boxster S - my toy
As mentioned, check the fuse -- but this fuse (#A10, 40amp) is in the rear SAM relay unit (left side of trunk). There is also a noise suppresser capacitor that is in parallel with the defogger element -- if this shorts out, it will cause a short to ground of the circuit and blow that fuse. Also, check connections of the defogger element.

Regards,
paul...
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Old Sep 28, 2011 | 07:28 PM
  #4  
joe320nyc's Avatar
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2003 e 320 sport RWD
Originally Posted by paulv
As mentioned, check the fuse -- but this fuse (#A10, 40amp) is in the rear SAM relay unit (left side of trunk). There is also a noise suppresser capacitor that is in parallel with the defogger element -- if this shorts out, it will cause a short to ground of the circuit and blow that fuse. Also, check connections of the defogger element.

Regards,
paul...

ok thanks for the suggeston .. but i tried it and it didnt fix the issue so i decided to bring it the "my guy" (indy mech) and he said that the contact line metal strip thing was cut or damaged when my vinyl was being installed... so he said i need a new rear windshield!!! yea ... im stressed..
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Old Sep 28, 2011 | 07:48 PM
  #5  
Sportstick's Avatar
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From: Southwest USA
Another round of ICE
Originally Posted by joe320nyc
ok thanks for the suggeston .. but i tried it and it didnt fix the issue so i decided to bring it the "my guy" (indy mech) and he said that the contact line metal strip thing was cut or damaged when my vinyl was being installed... so he said i need a new rear windshield!!! yea ... im stressed..
http://www.permatex.com/products/aut...Repair_Kit.htm


Maybe?
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