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Stan
Stan, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3526
Experience:  Technical support engineer
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Why does my 2003 (53 plate) Mercedes ML 270 CDI dash board

Customer Question

Hi, why does my 2003 (53 plate) Mercedes ML 270 CDI dash board lights flash on and off after about 10 seconds from taking my ignition key out and then triggers the alarm?
Submitted: 1 year ago.
Category: Mercedes
Expert:  Shantal-Mod replied 1 year ago.
Hello,
I'm Shantal and I'm a moderator for this topic.
I've been working hard to find a Professional to assist you with your question, but sometimes finding the right Professional can take a little longer than expected.
I was checking to see if you had already found your answer or if you still need assistance from one of the Professionals.
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Thank you,
Shantal
Expert:  Stan replied 1 year ago.
Hello,
the symptoms you describe do not seem to be caused by factory alarm. So if there is an addtional aftermarket alarm or immobilizer system on your ML- it must be disconnected first of all.

Otherwise, such illogical behavoir of electronic can be due to failure of Extended Activity Module (EAM). It can be diagnosed and replaced with the aid of Star Diagnosis computer.
Some independent MB shops have this tool besides the dealers.

Best Regards,
Stan