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Drain Battery

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Old Mar 26, 2020 | 11:57 AM
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nphra
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2004 E55 AMG
Drain Battery
Hello,
I need help figure out the drain of my battery, I had been searching every where and finfd the solution, here's my issue with 2004 E55 AMG.

1. Drain battery, the car will die over niggt.
2. Its not a alternator issue. Alternator is good.
3. The drain came from fuse F033 door control drive side, I removed the door panel and check the door conrol module and the drain is coming from the mofule, so I purchased a new door control module and its still drain the battery.
I'd check BCM by unplug the connect and the drain is still coming from door contol module.

Any idea ? Please help.
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Old Mar 26, 2020 | 12:00 PM
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nphra
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2004 E55 AMG
To pin poin the drain from a relay can some please confirm, if the ignition need to be on the ON position for radio to work ?

Thank you.
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Old Mar 27, 2020 | 10:40 PM
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amx69
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From: DFW area
2004 CL500, 2000 SLK230
No it doesn't.
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Old Apr 1, 2020 | 03:49 PM
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2004 E55 AMG
Originally Posted by amx69
No it doesn't.
Thank you very much.
I cannot figure out what cause the battery darin.
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Old Apr 2, 2020 | 03:14 AM
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amx69
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2004 CL500, 2000 SLK230
How much drain does it show on your test meter when car is asleep?
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Old Apr 3, 2020 | 04:24 PM
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Stuttgarten
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From: Concord, CA
'13 E350 . M276
If there's a fuse associated with F033, I'd remove it and see what happens, as a way of process elimination.
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