I have just got the E250 the alarm deactiates when I unlock the doors, but the imobilizser stays on. How do I reset it please?
Wednesday, June 17th, 2009 AT 3:20 PM
2 Replies
2CARPRO JACK
MECHANIC
11,533 POSTS
I have forwarded your question to our M/B tech. He will be with you shortly, thank you for your patience
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Friday, June 19th, 2009 AT 7:36 AM
GFIMOTORCARS
MECHANIC
673 POSTS
Your going to have to try a hard reset of the vehicle. This is accomplished by disconnecting the battery for a period of time. Usually 30 min +. If this does not work then you are more than likely experiencing a failed AAM (All Activity Module) which controls the Alarm system. These do go out from time to time.