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Discussion Starter #1
Hi, I just bought a SLK32 and noticed a marked drop in performance when warmed up that comes and goes. From reading threads it seemed probable the IC cooling pump had gone, indeed the 5a fuse had blown. Replaced the pump with a bosch uprated pump and the fuse but still no change. Fairly sure it is not getting any power. Read elsewhere that the relay often needs changing at the same time. A MB dealership were pretty unsure what relay it was but guessed it was a general engine management relay at over £114 + vat. Needless to say they didnt have it in stock either.

Could anyone tell me where the actual relay is located? I would like to pull the relay and then get a part number and check it out.

any help much appreciated
 

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Administrator 2009 SLK 55 AMG/Founding Member 2006
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moving to r170 general discussion
 

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From looking at a Crossfire SRT6 manual, it appears there is a 7 way pulse control module located by the main fusebox that forms part of the intercooler pump electrical circuit, Im going to try locate/pull/inspect and possibly replace it, in an effort to get power to my new bosch replacement pump.

Any body have experience or knowledge of this pulse control module?

Thanks in advance
 
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