What does W211 auxiliary battery do?
The auxiliary battery is located in the right side of the engine compartment, near the HVAC intake. The auxiliary battery supplies power for a limited time if system charging or battery voltage drops. The battery control module monitors system voltage.
What kind of battery does a 2003 W211 have?
I’m equipped to do anything, so let’s see if we can get this one sorted – it’s my younger brother’s car…. a 2003 E320 (WDBUF65J53A150123) with a hair under 160k miles. Battery drains close to dead overnight, needs a quick jump and it’s fine for the day.
Why is the battery draining on my Mercedes medic?
If the car is left parked in high pedestrian traffic areas this could be a problem. It may cause the battery to drain within a couple of days in some models. Try to turn off the proximity key function in your car by looking up the instructions on the owner’s manual.
Can a car battery drain to dead overnight?
Battery drains close to dead overnight, needs a quick jump and it’s fine for the day. The car had a red battery warning on when it was initially purchased. Two brand new batteries were put in along with much newer and updated battery control module. Red warning hasn’t been back, all is well.
How can I tell if my car battery is draining?
Make sure it is generating enough amperage. Check that the glove box light does not stay on when the car is parked. The easiest way to check this is to open the glove box after the car is parked for a couple of hours. Place your hand near the glove box light bulb and feel it if it is warm. Be careful not to burn your hand.
Where does battery drain in 2003 Mercedes E320?
Already disconnected Audio Gateway and DCM since I read these are common areas for battery draw.
I’m equipped to do anything, so let’s see if we can get this one sorted – it’s my younger brother’s car…. a 2003 E320 (WDBUF65J53A150123) with a hair under 160k miles. Battery drains close to dead overnight, needs a quick jump and it’s fine for the day.
If the car is left parked in high pedestrian traffic areas this could be a problem. It may cause the battery to drain within a couple of days in some models. Try to turn off the proximity key function in your car by looking up the instructions on the owner’s manual.
Battery drains close to dead overnight, needs a quick jump and it’s fine for the day. The car had a red battery warning on when it was initially purchased. Two brand new batteries were put in along with much newer and updated battery control module. Red warning hasn’t been back, all is well.