Battery drain issue

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Anothersensor

New Member
Joined
Dec 29, 2020
Messages
4
Location
East Ayrshire
Car
S Class W220
Hi forum, I may have found my battery drain. I had my battery checked and it was replaced due to failing the load test. The car is starting well for the moment even in this very cold weather. I noticed that when I lock the car the drivers interior door handle stays illuminated. The other door handles are not lit. Could this small bulb or LED cause a battery to drain after a couple of days ? I unlock the car and lock it again making sure the light goes out, maybe this is one problem solved. Hope this helps with other battery drain issues.
 
yes it could as it maybe just a bulb/led, but if the door SAM is still powered it would drain over time, get codes/ SAM etc checked
 

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