E-Class (W211) 2003-2009

knocking sound

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Old Jun 12, 2013 | 04:41 PM
  #1  
dacollector's Avatar
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From: hawaii
13 E350 , 12 BMW 328i
knocking sound

on the driver side, as I turn the wheel from a complete stop, whether its right or left and or when I am parallel parking, I hear a knocking sound, only on the left side.. so this is what I done so far:
replace upper control arm ball joint
replace lower thrust arm with ball joint
lastly just replaced lower ball joint
I still have the knocking sound !!!
I am out of idea's, has anyone also encounter this?
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Old Jun 15, 2013 | 01:56 PM
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From: hawaii
13 E350 , 12 BMW 328i
hi plutoe , yes, with the engine on , turning the wheels left or right produces the knocking sound...
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Old Jun 26, 2013 | 11:12 AM
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07 CLS550
Did you guys figure out whats causing that knocking noise?

I have the same knocking sound while turning the wheel to left. Cant figure it out either and I don't have access to a lift.
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Old Jul 7, 2013 | 09:26 AM
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w211
Originally Posted by dacollector
on the driver side, as I turn the wheel from a complete stop, whether its right or left and or when I am parallel parking, I hear a knocking sound, only on the left side.. so this is what I done so far:
replace upper control arm ball joint
replace lower thrust arm with ball joint
lastly just replaced lower ball joint
I still have the knocking sound !!!
I am out of idea's, has anyone also encounter this?
Hi, I am the w211 owner in Hong Kong.
I have the same issue and I have replaced the 4 pieces of power steering bushing recently, the knocking sound is gone.
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Old Jul 9, 2013 | 02:46 AM
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From: hawaii
13 E350 , 12 BMW 328i
thanks hongkong w211 , would you happen to have pics of what pieces you replaced? this way I know what to order. thanks or a diagram would be sufficient.

Originally Posted by Hongkong w211
Hi, I am the w211 owner in Hong Kong.
I have the same issue and I have replaced the 4 pieces of power steering bushing recently, the knocking sound is gone.
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Old Jul 9, 2013 | 01:59 PM
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Originally Posted by dacollector
thanks hongkong w211 , would you happen to have pics of what pieces you replaced? this way I know what to order. thanks or a diagram would be sufficient.
Sorry Dacollector! Aftet the three days keep testing, very strange, the knocking sound is came back today, I will further investigate what's happened and report to you all.
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