Alarm won't stop - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 06-25-2009, 07:04 AM Thread Starter
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Alarm won't stop


I've got a 1993 600 SEL with a dead battery. New battery was put in but alarm immediately goes off and won't stop. The alarm seems to be preventing the engine from starting. I have to disconnect battery for the alarm to stop.

Can I somehow disconnect the alarm so that the battery has time to start the engine?

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post #2 of 2 (permalink) Old 06-25-2009, 08:40 AM
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Sounds like you might be dealing with an after market alarm system. If so look for a push button or mini toggle "valet" switch to disarm the system with the ignition turned on. If it is after market and that doesn't work, you will need to find the alarm brain and unplug it. If the starter kill is normally closed you should be able to start the vehicle, otherwise you will need to reconnect the starter wire. I am assuming that you do not have a remote. You can also try locking and unlocking the drivers door with the key.
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