Date registered: Jun 2012
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General Question About Control Arm Replacement
We took our 2007 ML350 into a non-dealer service center that specializes in imports for several service items to be completed: brakes, transmission flush, etc (totaling nearly $2,000). We keep this car in excellent physical and operational condition, and my wife (primary driver) is very careful on the road. After getting the car back, my wife noticed that when she applied the brake, there would often be a popping noise heard that seemed to come from somewhere under the passenger side of the hood. We took the car back to the service center to inspect. They are now telling us that the problem is an upper control arm that needs to be replaced on the passenger side. I thought it was odd that we didn't have this problem until we took the car to them the first time. They said that they did nothing with the suspension and therefore could not have caused the problem, and that it was likely a coincidence. Obviously, coincidences are always possible, but could this have been caused by someone carelessly lifting the vehicle and the suspension settling? They are saying that this is a common problem with Mercedes vehicles. Is that true? They are wanting to charge me $975 (inclusive of taxes and shop fees) to replace both upper control arms. Although only one is making a noise, they say the other one has some play in it and will inevitably start doing the same thing. Any and all thoughts would be greatly appreciated. Thanks in advance!