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couple of unusual codes, cant find answer anywhere

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Old 01-27-2023, 01:54 AM
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couple of unusual codes, cant find answer anywhere
on my 2016 cls550 these are the codes and not sure if anyone here had similar experience. thanks for your time







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Old 01-27-2023, 10:32 AM
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'71 Pinto
Have you erased codes to see if they return. If they return, may be auxiliary battery - MB part 0009829608 (should also pull compatible aftermarket).
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additional battery + B03.pdf (269.7 KB, 34 views)
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Old 01-27-2023, 11:53 AM
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I did try easing code but keeps coming back. do I try to charge auxiliary Battery or just replace it?
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Old 01-27-2023, 12:02 PM
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'71 Pinto
Given your situation, depending on water damage replacement may be needed.

https://mbworld.org/forums/cls-coupe...ease-help.html
https://mbworld.org/forums/cls-coupe...sue-codes.html


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Old 01-27-2023, 11:31 PM
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so I did replace battery and most problem got resolved but one. can someone assist?? error code is 9EA953. thank you
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Old 01-28-2023, 03:07 PM
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You need to check for leaks to bladders (700 in diagram) and/or valve lines (750). See attachments to gain access.



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install front seat.pdf (524.8 KB, 30 views)
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install seat cushion.pdf (980.7 KB, 55 views)
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Parts_Information.pdf (136.5 KB, 43 views)
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