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2006 Mercedes E320 CDI
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Discussion Starter · #1 ·
My battery light comes on if the car is sitting 1 day or longer, (new battery), the battery voltage is 12.6 and running 14.2. This issue is driving me nuts, I put my scanner, checked for errors on the BCM, the only error states missing battery, to my knowledge no aux battery battery in the engine compartment, or near the cabin air filter. If I leave the headlight switch in auto overnight the light comes on and this is a very intermitting problem.
 
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