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

Front SAM connector diagram

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Old 02-01-2023, 02:58 AM
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W221 S350
Front SAM connector diagram

Hi everyone.

Does anyone have a wiring diagram for the front SAM module?

I'd like to know which connector relates to the electronic parking brake module. I suspect there is a wiring problem with my car after the "experts" replaced the EPB module, gateway and front SAM and still the EPB module has no communication and won't scan!

Appreciate any direction, pictures or diagrams to help me get to the correct cables.

-J

Old 02-02-2023, 03:39 PM
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Legend.pdf (51.3 KB, 278 views)

Last edited by konigstiger; 02-02-2023 at 03:42 PM.
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jameshobcraft (02-05-2023)
Old 02-04-2023, 07:58 PM
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W221 S350
Many thanks for this information, it is very useful - I will go about checking the various connectors and earthing point as a start. Then work on trying to understand the diagram!

Cheers
Jim
Old 02-07-2023, 06:34 AM
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Hey

Did you ever manage to figure this out? I’m suffering from the same issue
Old 02-07-2023, 02:29 PM
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Originally Posted by jameshobcraft
Many thanks for this information, it is very useful - I will go about checking the various connectors and earthing point as a start. Then work on trying to understand the diagram!

Cheers
Jim
any help would be appreciated
Old 08-16-2023, 04:52 PM
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W221 S320 CDI
same here please. Did anybody find a solution to not working communication to epb ecu?

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