have a 2003 E302 3.2 ltr. v6 with an engine metallic tap that doesn't go away with rpm just a little louder. the oil and filter been changed new plugs .

85

Asked by Nov 02, 2013 at 01:33 PM about the 2003 Mercedes-Benz E-Class E 320

Question type: Maintenance & Repair

oil and filter has been changed as well as plugs spark plugs . the  idler pulley and tensioner have been changed bearing noise.

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236,785

Might be your valves.

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