Porterfield Brake Pad R4S From LPI Racing
Super Member
Joined: Jul 2006
Posts: 637
Likes: 3
From: queensland australia
2009 C 63
Member
Joined: Apr 2010
Posts: 178
Likes: 4
From: Adelaide, Australia
2015 C63S
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Junior Member
Joined: Jul 2014
Posts: 17
Likes: 0
From: NZ
2017 C63S Coupe
Well I emailed LPIRacing on Monday and still no reply... not a great start.
Can someone please clarify something for me.
Do I only need to purchase 1 of each item:
1 x Porterfield R4-S Front
1 x Porterfield R4-S Rear
1 x Brake Pad Wear Sensor Front
1 x Brake Pad Wear Sensor Rear
Or two of each? I'm not sure if they come in pairs or not. Please excuse the question as this is the first time I've ever purchased something like this for my car.
Cheers
Can someone please clarify something for me.
Do I only need to purchase 1 of each item:
1 x Porterfield R4-S Front
1 x Porterfield R4-S Rear
1 x Brake Pad Wear Sensor Front
1 x Brake Pad Wear Sensor Rear
Or two of each? I'm not sure if they come in pairs or not. Please excuse the question as this is the first time I've ever purchased something like this for my car.
Cheers
Super Member
Joined: Jun 2014
Posts: 706
Likes: 6
C63 AMG
So I finally had the chance to put these bad boys on, I still have the stock rotors btw. It has begun to squeak a whole lot which is rather annoying to say the least. I called the shop that installed it for me and they went ahead and checked the pads for me, everything looked fine. They said the reason it could be squeaking is because I put new pads on used rotors so the surfaces wont be even on both the pads and rotors, is this true? Compared to if I put new rotors and new pads together it wouldnt make any sounds. ANyone else have this issue? Worst comes to worst, they said after driving it for awhile if it still happens, they will have to shave off the uneven sides of the pads for me.. Im thinking of just driving a bit more and see if it goes away.
Junior Member
Joined: Nov 2014
Posts: 29
Likes: 1
2009 C63 P30
Crazy how easy it is to change the pads on this car. I've put new pads on 6-7 different kinds of cars and this one is easiest by far. My independent shop quoted ~$900 to change the pads including labor. Considering it took me an about an hour to change all the pads, I'm puzzled as to why they would charge so much. Regardless, I saved myself ~$500 and more importantly hours of being without my baby.
But as for the pads themselves, they're great IMO. A tad less bite on initial contact (which I prefer anyway), no squeaks, and a lot less dust.
But as for the pads themselves, they're great IMO. A tad less bite on initial contact (which I prefer anyway), no squeaks, and a lot less dust.
Last edited by craig.pulliam; Mar 13, 2015 at 03:50 PM.
MBWorld Fanatic!
Joined: Jun 2008
Posts: 8,078
Likes: 2,867
From: Los Angeles
2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
Just ordered these as well. Brakes started squeaking over the weekend.
LPI Racing had the best deal around @ $376.90 shipped.
Thanks for posting
LPI Racing had the best deal around @ $376.90 shipped.
Thanks for posting
MBWorld Fanatic!
Joined: Sep 2009
Posts: 1,162
Likes: 9
A V8
Super Member
Joined: Jun 2014
Posts: 706
Likes: 6
C63 AMG
Mines squeaking alot... I do have the stock rotors and swapped the stock pads out at 9000 miles, the shop that installed my Porterfields did tell me that these are racing pads which consists of a harder compound compared to the stock pads which are softer hence the reason why they squeak so much.. I didnt believe it and I still dont but I dont think I'll be going back to the stock pads, they produce way too much brake dust. Not sure if theres a way to maybe shave down the pads so that it's even with the rotor, maybe that's why its squeaking.
MBWorld Fanatic!
Joined: Jun 2008
Posts: 8,078
Likes: 2,867
From: Los Angeles
2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
I don't care about squeaking - was just saying mine started, which means that it's time to change them. I care about stopping. Fast.
These cars are nothing. You should have heard the Pagid Yellows on my 996TT. High-pitched fingernail chalkboard shrieking all the time. Good stuff. Sounds like racing.
These cars are nothing. You should have heard the Pagid Yellows on my 996TT. High-pitched fingernail chalkboard shrieking all the time. Good stuff. Sounds like racing.
Super Member
Joined: Dec 2004
Posts: 714
Likes: 17
From: CA
C63
Wondering if the guys with squeaking bedded their pads after installation. I'm running this pad with GiroDisc and have no noise issue at all.
Super Member
Joined: Jul 2006
Posts: 883
Likes: 93
Multiple
I know the Porterfield are well reviewed and a lot of you guys swear by them. But I LOVE the feel and bite of the stock pads and I am hearing that the Porterfields have less bite? That sucks, because I'd love a dustless pad but want to retain the stock brake feel (which is the best among in many many cars I have owned).
Super Member
Joined: Jul 2015
Posts: 793
Likes: 22
From: NY
2001 Porsche 911 Turbo (heavily modified)
So my stock brakes are squealing and squeeking alot now. I am wondering if you guys that swapped out these Porterfield pads onto your used rotors continued to have problems with squealing and squeeking?
Senior Member
Joined: Jan 2014
Posts: 313
Likes: 45
From: Milwaukee, WI
2014 VW Touareg, 2012 C63
Brakes will always make more noise when you put new pads onto old rotors. If possible, you should at least resurface the rotors when you put new pads on to avoid this.
Super Member
Joined: Aug 2012
Posts: 650
Likes: 20
From: Alabama
09 Carrera S, , 03 F250 CC FX4
