replace brake rotor
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'08 GL320 CDI, 2001 996 C4S
replace brake rotor
it is time for my GL 320 to have new brake pads and rotors. It lasted for 49,000 miles +. I do have a question. has anyone changed the OEM rotors with cross drilled/slotted rotors. I have seen in one of the vendors here they carry Brembo and another brand which I cannot remember. Brembo was twice the price of the other brand but the same price for the OEM parts if I buy from the dealership. Has anyone put on these type of rotors and what is your experience? Is there ant difference in performance w/ regards to the brake system?
Thanks for the input.
Thanks for the input.
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'08 GL320 CDI, 2001 996 C4S
Anybody here have placed a cryo-treated brake rotors? I have been looking for an aftermarket brake rotors and found frozenrotors.com. They have the rotors for the GL 320, it comes in OEM regular rotors and also slotted (brembo). They do not recommend crossdrilled as it warps easily.
Any opinions as well on porterfield brake pads compared to centrix pads as a some of you are using. Thanks.
Any opinions as well on porterfield brake pads compared to centrix pads as a some of you are using. Thanks.
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From: Scottsdale, AZ
2004 RX330, 2008 Scion xB, 2001 Honda Insight Hybrid, 2010 Toyot Prius v ATP
I've seen those brake rotors before as well, and they look pretty cool! (No pun intended.) But it looks like you're the guinnea pig! Let us know how it go.
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From: Nv & So. CA
2008 GL 320 CDI
Anybody here have placed a cryo-treated brake rotors? I have been looking for an aftermarket brake rotors and found frozenrotors.com. They have the rotors for the GL 320, it comes in OEM regular rotors and also slotted (brembo). They do not recommend crossdrilled as it warps easily.
Any opinions as well on porterfield brake pads compared to centrix pads as a some of you are using. Thanks.
Any opinions as well on porterfield brake pads compared to centrix pads as a some of you are using. Thanks.
I know I had 70,000 miles on my "frozen rotors and pads" when I sold the truck. The rotors were still perfect (no warping at all), and the pads still looked new. The F-250 is heavier than the Gl's, which means the rotors are working harder on the Ford trucks.
When my MZB, or any other vehicle needs rotors, I am going with the "frozen rotors" and their brake pads.
Last edited by dariof; Oct 10, 2009 at 01:47 PM.
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From: NW corner of CONUS
2008 GL 320 CDI, 2004 VW V10 Touareg TDI
Before I would go with cryo-cooled rotors I would like to see some independent test results of stopping distances (horsepower dissipation) with the rotors mounted on comparable vehicles. There is always an engineering trade-off in brake design: hydraulic pressure, friction, ability to dissipate heat, brake life, cost, and handling effects are just a few. Mercedes engineers make very careful choices in this area and are backed by MUCH experience and data. The question I would want answered is: What are the trade-offs in going to a longer lasting rotor? And are the changes worth it for the way I drive?
It does not necessarily follow that because the Ford F250 is heavier its brakes work harder. Bigger rotors, better heat dissipation, pad composition etc all affect the result. It is true that if the Ford had GL brakes on it they should wear quicker, but it doesn't!
It does not necessarily follow that because the Ford F250 is heavier its brakes work harder. Bigger rotors, better heat dissipation, pad composition etc all affect the result. It is true that if the Ford had GL brakes on it they should wear quicker, but it doesn't!
Last edited by Fourdiesel; Oct 10, 2009 at 05:40 PM.
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Joined: May 2008
Posts: 25
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From: Nv & So. CA
2008 GL 320 CDI
Before I would go with cryo-cooled rotors I would like to see some independent test results of stopping distances (horsepower dissipation) with the rotors mounted on comparable vehicles. There is always an engineering trade-off in brake design: hydraulic pressure, friction, ability to dissipate heat, brake life, cost, and handling effects are just a few. Mercedes engineers make very careful choices in this area and are backed by MUCH experience and data. The question I would want answered is: What are the trade-offs in going to a longer lasting rotor? And are the changes worth it for the way I drive?
It does not necessarily follow that because the Ford F250 is heavier its brakes work harder. Bigger rotors, better heat dissipation, pad composition etc all affect the result. It is true that if the Ford had GL brakes on it they should wear quicker, but it doesn't!
It does not necessarily follow that because the Ford F250 is heavier its brakes work harder. Bigger rotors, better heat dissipation, pad composition etc all affect the result. It is true that if the Ford had GL brakes on it they should wear quicker, but it doesn't!
Having said that, I am looking at the new 2010 Dodge 2500, 4 door, 4x with the Cummin's engine.
I realize I am not an SUV type truck person, but would rather have a real truck. I've done the Chevy Diesel, then the Ford Diesel, now it's time for the Dodge.
I would then add Amsoil oil filtration systems, 5" turbo back exhaust with larger air filters, larger tires/rims, tranny oil coolers, bed liner, electric tonneau cover, etc.
Last edited by dariof; Oct 10, 2009 at 07:05 PM.
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'08 GL320 CDI, 2001 996 C4S
I have researched a little about these cryo treated rotors as wells as metals. The trade off I guess is longer lifespan of the metal itself. they are saying it will last 3x more than the regular rotors. they recommend though not to use ceramic brake pads, recommends carbon base pads, ie. carbon/kevlar. I got this idea from a friend of mine who is a gun fanatic, he sends his guns/barrels to a company in AZ for cryo treatment. I asked him why and told for longer lasting metal life. He also uses it on his brake rotors. He buys aftermarket and sends it to the company for treatment, $45/rotor + shipping. I dont have time for the turnaround time of more than a week so I figure to look for someone carrying the product and saw frozenrotors.com.
I will be ordering from porterfield pads as well. I have good experience with those pads before.
Thread Starter
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'08 GL320 CDI, 2001 996 C4S
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From: Denver,CO
'03 CL500,& '18 GLS63. Gone: '83 500SEC,'99 500SL,'07GL450
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From: New Jersey, USA
2007 GL450, 2006 Porsche 911, 2004 VROD
mine also needs replacement, nowadyas i feel little reduce braking responce from my rotors. anyone did replaced with brembo? and having both back also with bigger front rotors?
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