E-Class (W211) 2003-2009

Battery discharging

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Old 06-07-2017, 04:56 AM
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E320
Battery discharging

Sorry to say my first post is for help but I am hoping that someone on here might have the answer i am looking for. I own a 2004 E320 saloon and it has developed an electrical fault with the battery continually discharging. I have removed all fuses in engine bay,drivers cockpit and boot and still have a power draw of 5.7 amps. The Battery Control module in the boot has been tested and found to be OK. Thanks in advance for any advice.
Old 06-07-2017, 08:23 AM
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16 E550 Cab, 2003 Ram bright red crewcab 4x4 we call Clifford :)
hhhhhmmmm, anybody got a link to this gentleman's wiring diagram ? will do a search...

Mike
Old 06-07-2017, 08:28 AM
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16 E550 Cab, 2003 Ram bright red crewcab 4x4 we call Clifford :)
http://www.revbase.com/BBBMotor/Wd

Looks like you can pull wiring diagrams for your car here... it's a place to start to find circuits that are not fused since it seems you've pulled them all....

Mike
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Old 06-08-2017, 05:12 AM
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Just to bring you up to date. The car is back from the Garage this morning after having a 5.7amps battery drain. After much testing nothing was found, new battery was fitted under warranty and battery drain went down to 0.2amp. No major drop in battery performance over the last 48 hours. Got to keep an eye on it and report back to garage if anything changes. Don't you just love ELECTRICKERY.

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