2007 e350 w211 non sport knocking noise near gas cap - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 10-20-2012, 07:19 PM Thread Starter
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2007 e350 w211 non sport knocking noise near gas cap

Forgive me if I am posting this in the wrong spot. I just signed up and feel free to yell at me if I screw up. I have a 2007 e350 non sport 4matic. I have owned it for a few years now. I have the car regularly serviced at my local MB dealer and am very happy with them. I purchased an extended warranty also. Since I got the car I hear a knock intermittant from the area of the gas cap while stopped at a red light. The dealer can never seem to duplicate this but I have read other issues like this on this site. I have heard solutions like a purge valve, or orifice to insert in the fuel line and even a dealer technical bulletin on the matter. Can someone forward me something concrete that I could present to my dealer to get this solved once and for all. An otherwise outstanding car has me cringing at red lights everytime I hear this noise. Please let me prove to them that I am not crazy! Thank You
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post #2 of 3 (permalink) Old 10-22-2012, 04:22 AM
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Welcome to Benzworld, the best place for your question is on this link;

W211 E-Class - Benzworld.org - Mercedes-Benz Discussion Forum

ERIC.

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post #3 of 3 (permalink) Old 10-22-2012, 07:04 AM Thread Starter
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Thank you , I will post it there.
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