Vibration on acceleration - Mercedes-Benz Forum
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post #1 of 13 (permalink) Old 04-16-2019, 09:40 AM Thread Starter
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Exclamation Vibration on acceleration

Hello all hope you guys can help me with my issue.

I have a 2005 ml350 with vibration when I accelerate, it gets worst at 40-60 mph I can feel it in the footwell and in the steering wheel, it goes away and smoothens after that. I suspect that maybe it has to do with the front Differential possibly. Maybe the diff Bearing, Has anyone had similar issues??? I have done new

U joints
checked and Balance drive shaft
change diff fluids
checked torque converter
checked tranny
center bearing
wheel bearings
control arms
new steering rack

and still can't find the issue. I have taken it to "Pro shops" that have only been taking my money and not figured out the issue.
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post #2 of 13 (permalink) Old 04-16-2019, 11:02 AM
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Quote:
Originally Posted by Frankcorona View Post
Hello all hope you guys can help me with my issue.

I have a 2005 ml350 with vibration when I accelerate, it gets worst at 40-60 mph I can feel it in the footwell and in the steering wheel, it goes away and smoothens after that.
Frank you have been asking this question on several other threads, I keep trying to give you a hand but have not gotten a reply back to any of my suggestions.

Have you checked the front differential bushings or as they are known the subframe bushings?

Also the motor mounts? You do not list those as being checked.

Someone step in and please correct me if I am wrong but up to 05 the differentials on the ml's seem pretty solid it is 06 that problems start cropping up.
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post #3 of 13 (permalink) Old 04-16-2019, 11:08 AM Thread Starter
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thanks for the tip. I just order new Motor Mounts and i will check the bushings on the diff this week. I will keep posted
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post #4 of 13 (permalink) Old 04-16-2019, 11:20 AM
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Have you confirmed the motor mounts are bad?
Do you have the link to the utube video on how to go about replacing them?

If not let me know.
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post #5 of 13 (permalink) Old 04-21-2019, 09:42 PM
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Motor mounts are a pain in the ass. Consult youtube videos to familiarize yourself with time saving procedures. It will make your life much easier. I opted to remove brackets off engine block after supporting engine from bottom and jacking it up. You better have a set of torx sockets and universals or you're never going to get them off. Procedure requires removal of serpentine belt and the a/c mounting bolts since one goes through the driverside bracket.

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post #6 of 13 (permalink) Old 05-23-2019, 08:06 AM Thread Starter
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just did the Motor mounts last week and no change at all. I did both engine and tranny mount
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post #7 of 13 (permalink) Old 05-23-2019, 08:07 AM Thread Starter
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Quote:
Originally Posted by wallyo View Post
Have you confirmed the motor mounts are bad?
Do you have the link to the utube video on how to go about replacing them?

If not let me know.
I change the motor mounts and tranny mount and no change... still has the vibration
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post #8 of 13 (permalink) Old 05-23-2019, 08:08 AM Thread Starter
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Quote:
Originally Posted by wallyo View Post
Frank you have been asking this question on several other threads, I keep trying to give you a hand but have not gotten a reply back to any of my suggestions.

Have you checked the front differential bushings or as they are known the subframe bushings?

Also the motor mounts? You do not list those as being checked.

Someone step in and please correct me if I am wrong but up to 05 the differentials on the ml's seem pretty solid it is 06 that problems start cropping up.
didi the motor mounts and tranny mount and still no change.. check the diff bushings and they are ok
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post #9 of 13 (permalink) Old 05-23-2019, 10:10 AM
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Did you ever consider wheel balancing and a wheel alignment?
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post #10 of 13 (permalink) Old 05-23-2019, 10:11 AM Thread Starter
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Originally Posted by 43sqd View Post
Did you ever consider wheel balancing and a wheel alignment?
I did it a few times just to make sure.. and tire rotation as well
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