Date registered: Aug 2013
Vehicle: W211 E220 2004
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W211 vibration when accelerating and loss of power
So i own a w211 e220 2004
The car vibrates at 55 - 60 mph when accelerating. I've also noticed that fuel consumption is less than normal. It had been suffering a power loss problem when warmed up after an hour's driving. Basically it would only accelerate very slowly.
Humming/droning noises, or jolting during gentle acceleration between engine speed of 1200 - 2500 rpm.
I have a behr radiator, i have made the glycol test and it was clear, no glycol contamination. And the EGR valve is cleared
So what do you think... any help?
Sorry about my bad english