Quote:

W250 auto
Wouldn't start, no power at coil.
Checked fuses, had a blown 25 amp (stop/signal)
Replaced it and had voltage at coil.
Next day same thing, no start, no voltage at coil
but fuse is fine. (coincidence)
What is causing the intermittent power to coil?
Can I hot wire it with key on voltage?

Thanks !




Maybe a bad CPS or ASD relay?

Have you tried reading the CEL flash codes?


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