W211 vibration when accelerating and loss of power - Mercedes-Benz Forum
 
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#1 (permalink) Old 08-30-2013, 01:40 PM
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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
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#2 (permalink) Old 08-30-2013, 11:14 PM
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Date registered: Jul 2005
Vehicle: 90 300E, 99 ML430, 00 ML320, 05 E500 4matic Wagon
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Possible injector or fuel supply issue?

Is the check engine light on?

Hoe many KMs are on the car?
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#3 (permalink) Old 08-31-2013, 01:21 AM
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Originally Posted by Noodles View Post
Possible injector or fuel supply issue?

Is the check engine light on?

Hoe many KMs are on the car?
No, there is no check engine light on, even STAR doesn't show anything... everything seems fine

170,000 KM
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#4 (permalink) Old 08-31-2013, 03:13 AM
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Were the injectors visually inspected on the fuel rail to make sure they are sealed and not leaking?
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#5 (permalink) Old 09-01-2013, 02:21 AM
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Originally Posted by Noodles View Post
Were the injectors visually inspected on the fuel rail to make sure they are sealed and not leaking?
yes , no probs with the injectors
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