S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

08 s320 CDI many faults

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Old 04-16-2016, 02:02 AM
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2004 E55 AMG, 2006 CLS63, 2004 ML55, 2014 E350 sport
08 s320 CDI many faults

Loads of faults on this one. (not my car fixing it for family). Im just worried about the engine and abs ones at this stage.

Just trying to get more of an idea where to start really. I have done the basic visual inspection and some active tests including probing the n14/3 glow plug output stage for continuity. It tested o.k for the plug pin number 7. I plugged it back in and retested and fault still there so not just a loose connection.

I also removed wheel and looked at the abs sensor and wiring it looks o.k I think this car has been sitting outside in the weather to much which hasnt helped.

Attached pics of faults in star.

Once the batterys charged up again is there any recommendations for tests to run?
Attached Thumbnails 08 s320 CDI many faults-sam_1619.jpg   08 s320 CDI many faults-sam_1620.jpg   08 s320 CDI many faults-sam_1621.jpg   08 s320 CDI many faults-sam_1622.jpg  
Old 04-16-2016, 03:14 AM
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Im thinking test glow plugs next maybe even swap between two cylinders? and see if the fault code moves cylinder and then order some parts.

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