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electrical faults

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Old 12-22-2017, 05:01 PM
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esm
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E320 airmatic
electrical faults
what happens if we connect battery poles wrongly in w211
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Old 12-22-2017, 06:01 PM
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2005 E320 CDI,
KABOOM!!!!
Maybe fry your ECM and other electronics. Read this as EXPENSIVE mistake.
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Old 12-23-2017, 07:46 AM
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w211 03'
I did it once, but the car that had the poles inverted was the other one, not mine, and mine was on. I guess I was lucky, no issues at all.

but again, if you're asking, then you fry maybe sam modules.
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Old 12-26-2017, 09:17 PM
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Well, if you need a new ECM, give us a call. +1-888-875-2958 Hopefully it isnt something like that though. Good luck!
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Old 02-13-2021, 11:39 AM
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E220 211
Hi, please How to: Clean Full ASSYST Memory for E 220 W211
Thanks
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