MoodieJames
New Member
- Joined
- Mar 28, 2020
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- Your Mercedes
- E320 advantage 2005
Hi there, my mercedes e320 cdi avantgarde 2005 is making a hissing noise under acceleration and Im sure its not coming from the engine. It doesn't make the noise when sitting in park and revving. There doesn't seem to be any issues while driving and no black smoke ect.... Anybody any ideas thanks