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2005 C230 Kompressor No Crank No start issue

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Old Nov 1, 2024 | 08:45 PM
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2005 Mercedes C230 Kompressor, 2008 GL 320 CDI, 2008 ML320 CDI, 2016 GLE 300d AMG Night Package
2005 C230 Kompressor No Crank No start issue

The past couple of weeks Ive been troubleshooting my c230 after it left me stranded in a downtown bank parking lot. Towed her home and have been trying to diagnose the issue.

I parked and went to the bank and when I came back it wouldn't start.

Issues: turn key to position 2 to start and nothing happens. No crank no start. Rear brake lights stay on.

Troubleshooting so far:
Checked front sam fuses and they all are ok. Checked the starter relay and it clicks.
Checked to see if the infamous ESL issue but steering seems fine and it has not locked in the “locked position”.
Ordered an Emulator as on a rare occasion the ESL will still brake in unlocked position. Plugged in the emulator still nothing.

Here is the Xentry diagnostic:



My question is would the alarm siren cause the car not to start?
Also, under circuit 54, what should I check for? Could it be the rear sam corroded and causing me this issue?
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Old Nov 4, 2024 | 08:13 AM
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2005 Mercedes C230 Kompressor, 2008 GL 320 CDI, 2008 ML320 CDI, 2016 GLE 300d AMG Night Package
Anyone?
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Old Nov 6, 2024 | 06:45 PM
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2003 C230K Coupe Orion Blue
I can see the siren causing the car to not start. Might be some interlock.

If you don't want the siren, it may be better to just bypass the module instead of replacing it. Not sure how to just "short" the circuit properly.
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Old Nov 8, 2024 | 07:33 AM
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2005 Mercedes C230 Kompressor, 2008 GL 320 CDI, 2008 ML320 CDI, 2016 GLE 300d AMG Night Package
Originally Posted by slammer111
I can see the siren causing the car to not start. Might be some interlock.

If you don't want the siren, it may be better to just bypass the module instead of replacing it. Not sure how to just "short" the circuit properly.
Thanks. I’ll order a new one and will see what happens.
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