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ECU - Where Is It

Old Aug 14, 2008 | 02:27 PM
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racetested's Avatar
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ECU - Where Is It

The silver box on top of our engine in the middle of the airbox is the ECU. I was shocked to hear this as it's a major hot spot but that box is it none the less.
Attached Thumbnails ECU - Where Is It-ecu.jpg  

Last edited by racetested; Aug 14, 2008 at 02:31 PM.
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Old Aug 14, 2008 | 03:29 PM
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From: Mission Viejo, California
2008 c350 SG - 2004 c240 Wagon BS
Yeah, and the stinkin' dealer will probably charge 4 hours labor to replace it!!
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Old Aug 14, 2008 | 06:31 PM
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are you serious why in the engine bay....
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Old Aug 14, 2008 | 06:40 PM
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e1000's Avatar
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a quarter mile at a time
yes, that's the ECU. yes it gets hot
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Old Aug 14, 2008 | 08:52 PM
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2009 C350W on EDP
It is actually cooled by the aircleaner assembly enclosure's forward to aft airflow across the ECU then downward into the upper intake plenum.
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Old Aug 14, 2008 | 10:57 PM
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1999 210 4matic / 2011 W204 C300 sport
Originally Posted by racetested
The silver box on top of our engine in the middle of the airbox is the ECU. I was shocked to hear this as it's a major hot spot but that box is it none the less.
do you really think they randomly pick a spot to put it
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Old Aug 15, 2008 | 07:32 AM
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Originally Posted by maninblack
do you really think they randomly pick a spot to put it

Yeah that's exactly what I thought as I'm just so stupid like that.
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