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  #1  
Old 10-06-2002, 07:37 PM
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Join Date: Aug 2001
Location: Ohio
Posts: 183
96 C280 clunk when braking in reverse

Hi Group,

When the 96 C280 is backing up and the the brakes are applied there is a loud clunk that appears to come from the front passenger side suspension. The problem is worse on a hill when backing up and applying the brakes. This does not happen when braking when going forward. Front lower ball joints, and new rotors, brake pads have been installed on all wheels. I cannot see movement that relates to the clunk and the wheel does not have excessive play.

Many thanks
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96 C280 Mercedes
82 Rolls Royce Silver Spur
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  #2  
Old 10-06-2002, 10:09 PM
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Join Date: Jun 2001
Location: San Francisco, CA
Posts: 3,097
Martineau

I discovered the same problem (or at least symptom) on my '95 E320. It turns out I bought the wrong brake pads. They are shifting in the caliper. When I backup and then apply the brakes clunk. When I then go forward and on first application of the brakes, clunk.

I have to remove the pads and replace them with the proper ones. I bought them through someone on this site. They were "supposedly the right ones". I'll never do that again.

Take your car back to where you got your work done and tell them you have this problem, and you are suspecting the brake pads are rocking in the calipers.

Jeff
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  #3  
Old 10-07-2002, 09:45 AM
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Join Date: Mar 1999
Location: Tucker, Ga USA
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There was a bulletin on this subject back in 1997, the lower control arm bushings was the cause.
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  #4  
Old 10-09-2002, 08:02 PM
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Join Date: May 1999
Location: Diamond Bar, CA
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(1) My 94 C280 is doing that for quite a while (2 years maybe). Does it do any harm for neglecting it for so long?

(2) I also feel that it is not very smooth while turing the steering wheel at very low driving speed (like turning into a parking space). Is it also the symptom of the lower control arm bushings problem?

(3) M.B.Doc, when you say there is a bulletin in 1997, does that mean it a recall or the dealer will repair it as goodwill?

(4) If not, how much do you think it is to have it fixed?

Thanks.
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  #5  
Old 10-10-2002, 09:39 AM
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Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
NOT a recall at all, just a warning to dealers that IF that clunk happens when driving slow & braking to look at the control arm bushings first!!

Unless you complained while the car was under warranty then you are probably out of luck as far as warranty is concerned.
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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