M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

08 320cdi, Check Eng.Light- fixed, it was...

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Old 05-22-2013, 01:47 PM
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2008 ML320cdi Irid.silver, 2013 VW Jetta Prem. Tdi Dsg red
08 320cdi, Check Eng.Light- fixed, it was...

My 08 320cdi starting showing a solid check engine light yesterday. It has 79k. Was driving fine. Took by dealer this morning. They had to replace the Glow Plug Control Module. Anyone else had to deal with this? Also, it seems to run smoother now, or just in my head?
Old 05-23-2013, 10:14 AM
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2007 W211 E350 4Matic / 2008 X164 GL320 CDI
Seems like a lot has had that exact issue.
Should only effect start time and smooth idle the first few seconds.
Old 05-23-2013, 08:24 PM
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2008 ML320cdi Irid.silver, 2013 VW Jetta Prem. Tdi Dsg red
Yeah, that's what I figured. It does seem to start a little smoother at least.
Old 05-23-2013, 10:11 PM
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2007 W211 E350 4Matic / 2008 X164 GL320 CDI
My (new to me) '08 needed one in Jan.
$132 and less than an hour to change.
Old 09-29-2013, 07:24 PM
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2008 ML320cdi, 2008 SL600Renntech, 2009 C63
Anyone know the part number for the module? Mine is doing the same thing

Thanks

Jay
Old 09-29-2013, 08:18 PM
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2007 W211 E350 4Matic / 2008 X164 GL320 CDI
Don't recall the part number but it was easy to look up on any of the MB parts web sites.
http://www.oediscountparts.com/parts...ent=Controller

Last edited by N_Jay; 09-29-2013 at 08:35 PM.

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