Where does battery drain in 2003 Mercedes E320?
Already disconnected Audio Gateway and DCM since I read these are common areas for battery draw.
How do you remove an audio gateway control unit?
You will need a deep 10 mm socket to remove the nut. Using a cordless drill and metal drill bit, drill out the two rivets. Pull out the AGW N93/1 unit. Be careful not to bend the fiber-optic cables too much or kink the cable. Remove the three nuts that hold the audio gateway control unit tied to the metal bracket.
Where is the audio gateway control unit N93 / 1 located?
The Audio Gateway Control Unit N93/1 is located in the trunk on the drivers side. Remove the liner to access the AGW unit. The liner is held in place with several plastic fasteners. There is one bolt that hold the AGW in place. It is right underneath the AGW unit and it is difficult to see. You will need a deep 10 mm socket to remove the nut.
Where is the audio gateway control unit AGW located?
AGW stands for Audio Gateway Control unit N93/1. It is located on the left (driver) side inside the trunk.
You will need a deep 10 mm socket to remove the nut. Using a cordless drill and metal drill bit, drill out the two rivets. Pull out the AGW N93/1 unit. Be careful not to bend the fiber-optic cables too much or kink the cable. Remove the three nuts that hold the audio gateway control unit tied to the metal bracket.
Can a Mercedes Benz audio gateway be defective?
The Audio Gateway AGW can also be defective. That is the brains of the Mercedes-Benz COMAND system, therefore you can not bypass it. You will need to replace the whole unit. The only testing that you can really perform with the AGW, is to make sure it is getting power.
What is the Central Gateway module on a Mercedes?
Mercedes Central Gateway Module is the main hub that communicates with various ECUs and modules, including seat modules, front, and rear SAM, audio gateway modules, etc. Depending on how and what component of the Mercedes Central Gateway module fails, you will notice various lights and disabled systems.
The Audio Gateway Control Unit N93/1 is located in the trunk on the drivers side. Remove the liner to access the AGW unit. The liner is held in place with several plastic fasteners. There is one bolt that hold the AGW in place. It is right underneath the AGW unit and it is difficult to see. You will need a deep 10 mm socket to remove the nut.
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.
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.
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.
Already disconnected Audio Gateway and DCM since I read these are common areas for battery draw.
Why does my Mercedes-Benz battery keep draining?
You try to start your Mercedes-Benz and the car is either completely dead or this happens: Battery drains happen when electronic equipment (consumer units) are constantly drawing current from the battery while the car is parked. One simple example is when lights are left on overnight. But it’s not always as simple as that.
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.
Is there a battery leak in a Mercedes medic?
Check for any leakage if you have older lead acid battery. Absorbed Glass Mat (AGM) batteries are sealed and you don’t need to worry about leakage. AGM type batteries is what newer Mercedes-Benz cars use. Voltage Regulator may be defective and needs replacement. Test the alternator. Make sure it is generating enough amperage.
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.
What to do if your Mercedes AC unit stops working?
Be aware that if you reset the unit and it again stops working, you need to take the vehicle in to the dealership for repairs. Insert the key into the Mercedes ignition and turn the ignition cylinder to the “2” position. This is as far as the cylinder will go without cranking the engine.