Knocking Noise in dash! - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 06-21-2013, 07:28 AM Thread Starter
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Date registered: Jun 2013
Vehicle: 2001 Mercedes Benz ML430
Location: Pennsylvania, USA
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Post Knocking Noise in dash!

Good Morning All! I'm a new member to this site although I've researched repair topics a few times prior to registering.

Everyone is great and offers so much valuable information. I'm in need of some help now.

My 2001 ML430 started making a knocking noise in the dash yesterday when I left work. It knocks constantly. The a/c and heat work. The knocking will start when the key is in the 'on' position before even starting the engine.

My car is going to the dealership for inspection/emissions in a few days but I really can't afford for them to fix this (if its what I've been reading on the blogs). Some people paid $600 or more but the part needed is less than $20.

So, my question is: Do you know what this is? And, can you tell me which part I may need?

Thank you so much and I look forward to hearing from all!
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post #2 of 2 (permalink) Old 06-22-2013, 02:06 AM
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