C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Brakes new rotors or machine???

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Old Sep 21, 2010 | 06:10 PM
  #1  
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2003 c240 4matic wagon
Brakes new rotors or machine???

well had a wheel off today and im like 2mm away from the nrake sensor hitting so im going to do the breaks soon before it gets too cold


so I plan on going with Akebono pads as im sick of the dust on my rims

so should i replace my rotors or have them machined (provided they are thick enough) fronts im talking about

Last edited by contact148; Sep 21, 2010 at 06:57 PM.
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Old Sep 21, 2010 | 06:31 PM
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1995 E320,2002 S430,2008 E550,2001 E430,2002 C32
w203 rotors

You dont machine Mercedes rotors, replace only.
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Old Sep 21, 2010 | 07:17 PM
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Originally Posted by KoosKoos
You dont machine Mercedes rotors, replace only.
This is a myth......however, they are so inexpensive it doesn't make sense to turn them unless you have your own equipment and the time.
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Old Sep 21, 2010 | 08:52 PM
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Absolutely a myth!!

Contact. If rotors are above minimum thickness just put on a new set of pads. People throw away far too many rotors on this forum. splinter posted minimum thicknesses.
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Old Sep 21, 2010 | 10:10 PM
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2003 c240 4matic wagon
Originally Posted by mleskovar
This is a myth......however, they are so inexpensive it doesn't make sense to turn them unless you have your own equipment and the time.

nope dont have equipment but rotors are $120.00 canadian each here for the fronts if they are in spec i can get them machined for $25.00 each cash

as im going to switch to the Akebono ceramic pads I want to start them on a fresh surface
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Old Sep 21, 2010 | 10:25 PM
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Originally Posted by contact148
...$120.00 canadian each here for the fronts if they are in spec i can get them machined for $25.00 each cash....
They are $52 US and about $35 each to turn! The minimum thickness is stamped on the rotor hub. And I agree with Glyn....no need to turn at all if they are within the minimum thickness.
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Old Sep 22, 2010 | 05:42 PM
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2003 c240 4matic wagon
Originally Posted by mleskovar
They are $52 US and about $35 each to turn! The minimum thickness is stamped on the rotor hub. And I agree with Glyn....no need to turn at all if they are within the minimum thickness.

I thought i had to if i was going to go with ceramic pads??? (have oem pads now) or is this untrue??

My front look fine rears not so much

as for the prices basically every part is double the cost from the us to Canada....and our dollar is on par I usually order my parts from the us but the wight would kill me in shipping Ill order the pads for sure but not rotors
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Old Sep 22, 2010 | 06:12 PM
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Originally Posted by contact148
I thought i had to if i was going to go with ceramic pads??? (have oem pads now) or is this untrue??...
I switched to Porterfield pads and used the same rotors with no problem. Make sure you break in your new pads & rotors.
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Old Jun 3, 2016 | 06:38 PM
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Originally Posted by KoosKoos
You dont machine Mercedes rotors, replace only.

I took my E550 to shop as soon as the brake wear indicator came on. (2 days it was on) I told the guy at Tire Kingdom that it just came on and I came right away so I did not have to replace Rotors. He told me that "Mercedes Benz Rotors are composite throw away Rotors" ....I have never heard of such a thing. Did I get screwed?
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Old Jun 3, 2016 | 07:02 PM
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Originally Posted by kpl
I took my E550 to shop as soon as the brake wear indicator came on. (2 days it was on) I told the guy at Tire Kingdom that it just came on and I came right away so I did not have to replace Rotors. He told me that "Mercedes Benz Rotors are composite throw away Rotors" ....I have never heard of such a thing. Did I get screwed?
I don't know that they are "composite" but all rotors are throw away now. It costs the shops more time and energy to reface rotors than it does to pay for new ones. It's the thickness that determines whether or not rotors are still good and it's not uncommon to replace rotors and pads at the same time on the front and two sets of pads for rear rotors.
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Old Jun 3, 2016 | 07:04 PM
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Thank you. I feel better that I was not taken advantage of! .....um $600 sound right for a pair of Rotors and Pads?
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