W211 Creaky Callipers

Gordon R

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My 2003 E320 Cdi has developed most annoying creaky callipers, so much so that in traffic queues it is quite embarassing. It also has SBC. I have whipped the pads out of one and lightly depressed the brake and it is clearly the calliper creaking. It does appear the dust boot is slightly damaged but not significantly. MB Main dealer has told me all is fine in brake performance but to replace is around £400 per calliper fitted for which I dont want to pay. Is there any effective solution or spray, as appreciate I have to be careful what product to use?. Thank you Gordon
 

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Is this the front or the rear
 
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Gordon R

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It is both front ones, moreso the nearside. Thanks
 

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If it was the rear then maybe some idea's,,but I cannot think what could be wrong with the fronts,,are the fixing bolts really tight
 
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Gordon R

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Yes the bolts are tight but the piston appears to be creaking as it presses the pads. Gordon
 

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Then spray them with PTFE this will not damage any rubbers,,its good for them
 

DaveE320CDI

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Have you got genuine merc pads fitted? Sometimes you find that its the brake pad material that causes noises like this! a change of pad to a after market one sometimes cures the creaking, when the last pads were fitted were they copper slipped do you know? cheers Dave
 

roadhog

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Reading the first post, I think he's eliminated the pads. Rather than getting MB to replace them with new ones why not get an indie to fit reconditioned calipers? Should be somewhat cheaper?
 
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Gordon R

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Yes genuine product - i will try PTFE spray as suggested for a start. Thanks for taking the time to respond Gordon
 

Alex Crow

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reading the first post, i would kindly suggest he refrains from pressing the pedal with the pads out. with sbc the results could be either amusing, problematic or painful!!
 
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Gordon R

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Thanks for this, I have enquired but apparently special diagnostics are required to reset the SBC, I think I will try the PTFE spray as this seems a elatively easy starting point. Thanks for the note Gordon
 
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Gordon R

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Thanks Malcolm, 2 assists on the same day!!. I will give a little TLC with a toothbrush and a bit of PTFE spray. Gordon
 

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I have fitted lots of front calipers due to creaking, tried lots of things inc bleading but no joy. replacement is the only cure :(
 

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