Mercedes W211 2004 strange gearbox noise

[chrisy5555]

Hello

I have a w211 E220 2004 plate

When slowing down there is a strange noise at low speeds when you are not accellerating.

I could only describe it like if you had a manual car and were doing about 10 MPH and put the car in 1st gear and it makes that noise mine does up until you accelerate again then the noise goes but as soon as you take your foot off the accelerator then it starts again
usually under 20 mph

The car is an auto and in sport mode

i have had the gear oil changed and this made no difference

any idea guys

thanks

 

[jberks]

What about engine/gearbox mountings?

 

[Blakey]

How about prop shaft couplings or diff?

 

[chrisy5555]

Thanks for replying guys
I have had a new diff fitted not long ago
It does sound like its coming from gear shift area
Do you think the gear box might be on its way out? I have 112000 miles on the clock gear oil had been changed twice in this time.

Thanks for replying

 

[chrisy5555]

How can you tell if the engine mounts are broken my mate said when you turn the car off it will shake abit and mine does are their any other ways??

 

[chrisy5555]

Turns out it was my turbo causing miss fire feeling or judderring it finally went today in a strange noise like a ghost train and the juddering got a lot worse
Car in garage now and trying to find a replacement turbo

 

[television]

Are there firms that rebuild these things,it must be possible