Brake rotor information thread

*easty* · 08-19-2008

let's have a thread collating all the info on rotors. I'm sure a few of us are about to swap them out, and they are not cheap.

Let's make sure we have all the info prior to msking the investment.

**etyu** · 08-20-2008

Something like this? (documents BE42.10-P-1001-08D, BE42.10-P-1001-09D)

Front brake disks: (values in mm for new, wear limit for maintenance service, and wear limit respectively)

171.442 (SLK 200K): 25, 23, 22.4

171.445/454/456 (SLK 200K/280/350): 28, 26, 25.4

171.473 (SLK 55): 32, 30.6, 30

171.458: 28, 26.5, 26

Rear brake disks:

171.442/445 without code 952: 9, 7.8, 7.3

171.454/456/458, model 141.442/445 with code 952: 10, 8.8, 8.3

171.473: 26, 24.6, 24

Vernier caliper: P/N 140 589 00 19 00

**etyu** · 08-20-2008

Feel free to sticky as needed.

**DansSlk** · 08-20-2008

Stuck.

Will throw in more info when i get back to the office and the DAS.

*easty* · 09-04-2008

Also we need to paste options from stock.

I've found these IRotors. Never heard of them But at about 2k for front rear and pads they are a good price.

http://www.irotors.com/storefrontpro...01&i=233617149

**F111F** · 09-08-2008

I know, I had to replace front rotors and pads for Texas Motor Speedway at night. Ouch!

rb136 · 10-23-2008

Quote:

Originally Posted by easty

Also we need to paste options from stock.

I've found these IRotors. Never heard of them But at about 2k for front rear and pads they are a good price.

http://www.irotors.com/storefrontpro...01&i=233617149

If you ever hear of anyone using these, please post the info. I'd like to know the diffrerence in feel between floating and one piece rotors on the same car. I'm really impressed with the stock pre 08 brakes. If they performed as good as those, I'd buy 'em in a second.

**617SLK350** · 1 Week Ago

Quote:

Originally Posted by easty

Also we need to paste options from stock.

I've found these IRotors. Never heard of them But at about 2k for front rear and pads they are a good price.

http://www.irotors.com/storefrontpro...01&i=233617149

I see these rotors and they come with the semi-metallic pads. Now, I also see alot about the Quad-quiet Ceramic Break Pads, as a better option for R171 . Would it be wise for one to purchase this package all at once or is it possible for one to just get the brakes, then get the rotors later?

What are your suggestions when it comes to rotors and breaks?

08-19-2008	#1 (permalink)
easty Moderator Join Date: Jun 2006 Location: Montreal Vehicle: ///AMG Posts: 2,075 Country: Thanks: 17 Thanked 19 Times in 9 Posts	Brake rotor information thread let's have a thread collating all the info on rotors. I'm sure a few of us are about to swap them out, and they are not cheap. Let's make sure we have all the info prior to msking the investment. __________________ "I'm not a roman mum, I'm a kike, a yid, a heebie, a hook-nose, I'm kosher mum, I'm a Red Sea pedestrian, and proud of it!" Life of Brian To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.

08-20-2008	#2 (permalink)
etyu Founding Member #2 / Ambassador Of Good Will Join Date: Jun 2006 Location: Orange County, CA Vehicle: 2008 SLK 55 Posts: 5,306 Country: Thanks: 381 Thanked 283 Times in 174 Posts	Test value for brake rotors/discs for the R171 Something like this? (documents BE42.10-P-1001-08D, BE42.10-P-1001-09D) Front brake disks: (values in mm for new, wear limit for maintenance service, and wear limit respectively) 171.442 (SLK 200K): 25, 23, 22.4 171.445/454/456 (SLK 200K/280/350): 28, 26, 25.4 171.473 (SLK 55): 32, 30.6, 30 171.458: 28, 26.5, 26 Rear brake disks: 171.442/445 without code 952: 9, 7.8, 7.3 171.454/456/458, model 141.442/445 with code 952: 10, 8.8, 8.3 171.473: 26, 24.6, 24 Vernier caliper: P/N 140 589 00 19 00 __________________ *Eddy* To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. Pewter/Beige, PIII package, Airscarf, Hands-Free Communication System, Lighting package Designo Black Leather Cover on e-brake handle, ( To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. Bill T), SmartTop v1.0, Kleyman 3BFM (NoRegret Custom), Green Air Filters, *Mod. R170 ant.*, EuroClear sidemarkers w/PIAA PlasmaIon lamps, chromed front & rear turn indicator lamps, PIAA SuperPlasmaGTX front parking lamps, bilateral rear fog lamps enabled.

08-20-2008	#3 (permalink)
etyu Founding Member #2 / Ambassador Of Good Will Join Date: Jun 2006 Location: Orange County, CA Vehicle: 2008 SLK 55 Posts: 5,306 Country: Thanks: 381 Thanked 283 Times in 174 Posts	Feel free to sticky as needed. __________________ *Eddy* To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. Pewter/Beige, PIII package, Airscarf, Hands-Free Communication System, Lighting package Designo Black Leather Cover on e-brake handle, ( To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. Bill T), SmartTop v1.0, Kleyman 3BFM (NoRegret Custom), Green Air Filters, *Mod. R170 ant.*, EuroClear sidemarkers w/PIAA PlasmaIon lamps, chromed front & rear turn indicator lamps, PIAA SuperPlasmaGTX front parking lamps, bilateral rear fog lamps enabled.

08-20-2008	#4 (permalink)
DansSlk Dude Join Date: Jun 2006 Location: Wales Vehicle: 05 B55S (Brabus 6.1 S) Posts: 6,797 Country: Thanks: 96 Thanked 227 Times in 179 Posts	Stuck. Will throw in more info when i get back to the office and the DAS. __________________ One thing you will learn with German cars - If it's simple it ain't happening.

09-04-2008	#5 (permalink)
easty Moderator Join Date: Jun 2006 Location: Montreal Vehicle: ///AMG Posts: 2,075 Country: Thanks: 17 Thanked 19 Times in 9 Posts	Also we need to paste options from stock. I've found these IRotors. Never heard of them But at about 2k for front rear and pads they are a good price. http://www.irotors.com/storefrontpro...01&i=233617149 __________________ "I'm not a roman mum, I'm a kike, a yid, a heebie, a hook-nose, I'm kosher mum, I'm a Red Sea pedestrian, and proud of it!" Life of Brian To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.

09-08-2008	#6 (permalink)
F111F Elite SLK World Member Join Date: Oct 2006 Location: Plano, TX Vehicle: SLK55 Black Mocha Designo Posts: 291 Country: Thanks: 39 Thanked 23 Times in 11 Posts	I know, I had to replace front rotors and pads for Texas Motor Speedway at night. Ouch!

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