C-Class (W202) 1995-2000: C 200 CDI, C 220 CDI, C 270 CDI, C 180, C 200 K,C 230 K, C 220, C230, C 280

PMS Ignition Control Unit 0185451132 Problem?

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Old Oct 10, 2015 | 04:26 AM
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W202 C200
PMS Ignition Control Unit 0185451132 Problem?

I own 1996 c200 (4 cyl.) Automatic. Car drove 130,000 Km and it's well kept.
Symptom: Recently I encountered a problem of engine does not start.

Usually when everything is OK when the key is in the switch at Position 1 the fuel pump makes a short noise (buzzing) while pumping for the initial start. Now when I have this problem of the engine is 'refusing' to start, this initial noise does not appear. My mechanic says it is the Ignition Module (part # 018 545 11 32) that manages the fuel pump, he 'fixed' it but the problem continues..

Today when it happened I disconnected the wiring from the module and reconnect it and everything got back to normal... what the heck should I do?!

could it be different problem?

tnx.
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Old Oct 22, 2015 | 07:47 AM
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W202 C200
The code will lead you to the PMS ECU.

So the thing is that MB had a crappy wiring harness during 91-96. They called it 'Biodegradable' for environment reasons.. But they didn't realize it will biodegraded while still plugged o the vehicles.
I must be experiencing wiring connecting issues which affects the PMS..
This wiring harness is tons of money..
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