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Mercedes Benz S320 1997 w/45K miles
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Hi there, where's the knock sensor located in the S320 1997 and how much trouble it is to diy? I'm getting the CEL P0325, is this a big deal to replace now or can I wait on this procedure. I noticed the part cost is not much around $46.00 bucks, the problem would labor, do I have to remove the engine to replace a $46 part? lol.

Any info., would be appreciated
 

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Premium Member
84 500 SEL ...94 S420..... 95 S500.... 96 S500 95 S600
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1,707 Posts
Hi there, where's the knock sensor located in the S320 1997 and how much trouble it is to diy? I'm getting the CEL P0325, is this a big deal to replace now or can I wait on this procedure. I noticed the part cost is not much around $46.00 bucks, the problem would labor, do I have to remove the engine to replace a $46 part? lol.

Any info., would be appreciated
You have to jack up the engine and remove the brackett for the engine mount unplug it, unbolt it..12mm? or 13mm and bolt the new one on and plug it in. Reinstall the brackett..
 
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