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MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3567
Experience:  Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes
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AAM, I can not get to start but if apply 35Amp to battery it

Customer Question

AAM, I can not get to start but if apply 35Amp to battery it will start I think there is bad connection or ?
JA: Did you test the battery with a voltmeter? And have you ever changed one before?
Customer: I replaced the battery and changed the ignition key I'm getting error start car stared for few second then goes off but if apply 35amp start ok
JA: What is the model/year of your Mercedes?
Customer: 2000 ml320
JA: Are you fixing your ML320 yourself? What have you tried so far?
Customer: I'm trying I have 1999 ml320 I don't if I swap the AAM do I need to reprogram it
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 10 days ago.
Category: Mercedes
Expert:  Lou P. master tech replied 10 days ago.

Hello, my name is***** and i will do my best to assist you.I am going over your story now and will reply back soon with some info,thanks!

Expert:  Lou P. master tech replied 10 days ago.

it sounds like you may have an ignition switch issue?

have you checked voltage at the aam ? at the fuses at the fuse box? see if they are the same as battery voltage?

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