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doc 2/2/2013
2005 Mercedes Benz E320 4Matic 6 Cyl 3.2L - Engine
Loud noise from engine on startup
Sounds like water pump or A/C compressor
1 Answer
  • Jimm
    Jimm 2/3/2013
    Need more information - what type of sound is heard? Is this a whine, clunk, scrape, grinding, squeal? Have you raised the hood to observe for yourself - with a helper starting the engine?
    Like to offer further assistance, but without more detail - it's pretty difficult to diagnose an engine loud noise problem via the internet. Post a reply using the 'Diagnose' feature on the AutoMD website for further assistance.

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