Mercedes-Benz C240 Problem Report
Mercedes-Benz C240 Knocking Noise Over Bumps Due to Worn Sway Bar Link Joints
The sway bar end link joints may wear and cause a knocking noise over bumps. Loose or warn links should be replaced to correct this type of noise.
noise in rear after riding over road ruts or bumps - Visitor
C240 4-matic wagon. Clunking or knocking sound coming from rear when going over rough road surface or small bumps. Not noticeable at higher speeds. - Visitor
Rear Knocking when going over bumps - StackingPacking
kocking in front of car when going over bumps. link for sway bar was broken and replaced. it solved the problem. - mercedes240boy
Identical problem, - Visitor
suspension knocks when going over bumps. car has done it since I bought it at 120000 miles. - Visitor
Asked our mechanic to check the sway bar joints and sure enough, they were broken and needed to be replaced. Car rides a bit smoother now they've been fixed. - hrraox
major knocking over bumps at the front end - lschors
have not fix - Visitor
sway bar worn. replaced and all is good. - Visitor
When driving over bumps at low speeds, I hear a squeaking from under the car. Still has not been addresses. Any clues to the problem and cost of repair? - Visitor
noise on front passenger side when encounter bums. Was told it was sway bar end broken - Visitor
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