04 E500 troubles
Thank you for your time.
Generic ones aren't going to do any good.
Make sure AUX battery in hood is good first of all.
Next would be to check if there are any blown fuses.
I recharged the aux battery and checked the fuses. No red flags came up. I'm missing the 5th fuse and the 14th fuse but they don't appear on the map that came with the car. Is there something else I should check on?
what all parts did you replace?
i would take a coil pack for 1 cylinder and undo them from the spark plugs. See if you see a spark in the dark.
I replaced the Crank shafts position sensor, the mass air flow sensor and the main battery.
1. compression
2. spark
3. fuel
guessing you have the first 2 but no guarantee ,, check your fuel rail for pressure when key is in the ON position
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