M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Help! Won't start after replacing battery

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Old Apr 2, 2007 | 12:12 AM
  #1  
Johnbbc's Avatar
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From: Santa Clarita Valley
ML430, C240, Jetta 2.5
Help! Won't start after replacing battery

The wifey didn't close the door properly so after 3 days my 99 ml430's battery got drained. I tried jump starting it and it works. So I knew it was the battery and replaced it. After replacing it, it starts then dies. I've searched here but there are gazillions of reasons.
I'm planning on trading this sucker so I just wanted to keep my expenses to a minimum.

What would be the top 2 culprit why this is happening?

Thanks a million.
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Old Apr 2, 2007 | 07:40 AM
  #2  
azinn's Avatar
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From: In A Van Down By The River
2014 RX 350 F Sport, 2007 Scion tC, 2000 ML 430 Money Pit Finally Gone! Oh Happy Day!
Originally Posted by Johnbbc
The wifey didn't close the door properly so after 3 days my 99 ml430's battery got drained. I tried jump starting it and it works. So I knew it was the battery and replaced it. After replacing it, it starts then dies. I've searched here but there are gazillions of reasons.
I'm planning on trading this sucker so I just wanted to keep my expenses to a minimum.

What would be the top 2 culprit why this is happening?

Thanks a million.
You might have fried the key when you jump started it. Try a different key. My 2 cents.

Last edited by azinn; Apr 2, 2007 at 03:18 PM.
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Old Apr 2, 2007 | 02:39 PM
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ml320 & c240
Now that you have fire the next 2 needed is fuel and air
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Old Apr 2, 2007 | 04:21 PM
  #4  
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appreciate it very muchos señors
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Old Apr 3, 2007 | 03:45 PM
  #5  
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it was the key i tried my spare and it works.
so, how do i get the other key to work again?

thanks
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Old Apr 3, 2007 | 04:16 PM
  #6  
azinn's Avatar
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From: In A Van Down By The River
2014 RX 350 F Sport, 2007 Scion tC, 2000 ML 430 Money Pit Finally Gone! Oh Happy Day!
Originally Posted by Johnbbc
it was the key i tried my spare and it works.
so, how do i get the other key to work again?

thanks
You have to buy a new one, the old one is no good now. When you jump started with the key in the ignition, it was ruined. My 2 cents.
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Old Apr 3, 2007 | 05:44 PM
  #7  
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oh no! well, if that's the only way i guess i have to get a new one from the dealer.

thanks again
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Old Apr 3, 2007 | 06:08 PM
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ML320 (Dead), ML55 (Sold), E500 (Sold), Cayenne S (Sold), E550 (Sold), Cayenne TurboS, GL550, GLS580
when was the last time you replaced the battery in the key? You may want to try that first. I know they cell the battery in many pharmacy's
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Old Apr 7, 2007 | 07:03 PM
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Originally Posted by 99ML320
when was the last time you replaced the battery in the key? You may want to try that first. I know they cell the battery in many pharmacy's
Before replacing the batteries the key can unlock/lock the doors but not to start the truck. After replacing the batteries, it's totally dead. Tried resyncing it several times using different methods and switched the old batteries back but to no avail. Oh well, I guess it's time to get a new one.

Anyway, thanks a bunch guys for your suggestions.
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