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my cls goes to sleep

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Old 05-14-2015, 06:46 AM
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06 cls500
my cls goes to sleep

When my car sits for a few minutes all the convenience functions time out. No keyless entry no trunk unlatch, no window movement, i don't think the dome lighting works until the door has been open for a few seconds. Once the door is opened the functions resume until its parked again. I was having battery issues and just assumed the problem was the dieing battery under hood. I replaced it and cleared up the battery light but my problem is still here. Anyone know where to start? I'm not sure what controls the "timer" maybe a body control module, central gateway, power distribution module. HELP PLEASE
Old 05-14-2015, 06:59 AM
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220SE Coupe, ML250, E320
Change the battery in the trunk.
Old 05-14-2015, 07:10 AM
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06 cls500
Could it be that simple? That will be done today.

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