Ignition Key - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 08-23-2009, 05:18 AM Thread Starter
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Post Ignition Key

I have a 2002 Mercedes Benz G500 Truck and I have noticed that every time I put in the ignition key that it makes a funny noise. I know once you put the key in that it makes a noise but lately it sounds weird. What could be the problem?
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post #2 of 3 (permalink) Old 08-23-2009, 07:01 AM
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My best guess is that is an early warning that something is going bad within the ignition lock cylinder. I would have it properly diagnosed before you and the truck get stranded somewhere because it refuses to start at all.

Alternatively, scroll down from here (General Mercede-Benz) and look for the G-Class forum. This might be somewhat common to your chassis.

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post #3 of 3 (permalink) Old 08-23-2009, 03:51 PM
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The system working properly would commuicate with the key and then withdraw the locking bolt, it is the typical noise you hear when inserting the key fob, and withdrawing it. It is hard to diagnoise a noise, go to your MB dealership and ask your service advisor if it is a normal noise. They probably wont charge for that, there is a solenoid that pulls the bolt out of the steering ring...and keeps it out untill the key is removed.
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