Mercedes-Benz Forum - View Single Post - 05 E320 Cdi annoying idle vibration
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post #5 of Old 07-05-2019, 09:16 AM
Noodles
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Vehicle: 1999 ML430, 2000 ML320, 2005 E500 4matic wagon
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I also agree it is probably a fuel delivery issue. Injector delivery rates can easily be checked. If they get too far out of whack the idle can get lumpy and MPGs can suffer.
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