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Parasitic Battery Drain ES 350 (2004-5)


Tessa88

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Help! I’ve replaced numerous batteries due to parasitic battery drain.   The entire system has electrical issues esp after replacing the bumper & left head lamp. 

The lumbar stopped working, the radio shorted out, the ac sometimes shorts out. 

The windows stick open on occasion &  the key fab keeps dying so I now use a regular key! 

I’ve replaced alternator & tired of replacing batteries!! 

Car wont even hold a charge for two days sometimes. 

Is this electrical or the multiplex body control module (as some have stated here?!) any advice gratefully welcomes!!! Thank you in advance!! 🙏😃

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Hello, Tessa.

Is there an Auto-Electric shop in your area. Those are shops that specialize in resolving electrical drains. I've used them in the past and they tend to quickly locate the culprit.

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