2010 C350 Sport / 2011 GLK drilled rotors...
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2010 C350 Sport / 2011 GLK drilled rotors...
Hello my MB brethren... I'm getting ready to trade in my 2010 C for a 2011 GLK. What I'm trying to find out is, will the C350 Sport drilled rotors fit a 2011 GLK? No one at the dealership has a clue, so I'm reaching out to you guys (who are more often than not, more knowledgeable than the dealer)...
Thanks, Mark
Thanks, Mark
Last edited by Amaxm; Jan 7, 2011 at 09:26 AM. Reason: spellin...
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Are these new parts or do you want to pull them off your old car and install them on the new GLK?
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I was thinking you might still have the old ones.
I don't know about the C350 vs. GLK parts; perhaps if you check out part #s for aftermarket rotors.
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but I would get better rotors and brake pads when this set wears out. I learned to change my own brakes on old cars as it costs a small fortune for 2-4 hour job and read that MB is pretty easy to DIY.
I think I read that GLK and C350 have the same rotor diameter I'd check diameter and thickness specs.
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"...but I would get better rotors and brake pads when this set wears out."
I agree, but I don't think I'd go for drilled rotors.
Yeah, they look groovey but the holes can weaken them.
Form follows funtion, you know...
I agree, but I don't think I'd go for drilled rotors.
Yeah, they look groovey but the holes can weaken them.
Form follows funtion, you know...
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2011 GLK350
Kn.
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You can design them any way you want; edges are where stress risers begin and holes provide more edges.
Yes, you can chamfer, bevel, etc. but at some point there will still be an edge.
Yes, you can chamfer, bevel, etc. but at some point there will still be an edge.
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2011 GLK350
In addition, known forces will play a role in such design elements as material selection (grade of steel), sizing (thickness of rotor material) and heat treatment regime.
Kn.
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Keep in mind that the forces will be known and included in the design criteria. Stress risers are more applicable to small holes/notches, since stress is the product of force and the inverse of the surface area of the stress riser. So smaller holes will act as focal point for stress to a greater degree than a larger hole - thus a calculation of hole size wrt the forces to be applied will be included in the design calcs.
In addition, known forces will play a role in such design elements as material selection (grade of steel), sizing (thickness of rotor material) and heat treatment regime.
Kn.
In addition, known forces will play a role in such design elements as material selection (grade of steel), sizing (thickness of rotor material) and heat treatment regime.
Kn.
Very true.
As always, it comes down to what you want to spend to make it so.
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2011 GLK350
Cross-drilled rotors = waste of money for a street car. Look stupid trying to be a racer wannabe. In a mini SUV to boot.
This has been discussed ad nauseum in the bimmer forums. The autocross guys are the only ones with even an inkling of benefit.
I will definitely be looking for lower dust pads though, sooner rather than later. Wheel cleaning is like an every other day thing.
This has been discussed ad nauseum in the bimmer forums. The autocross guys are the only ones with even an inkling of benefit.
I will definitely be looking for lower dust pads though, sooner rather than later. Wheel cleaning is like an every other day thing.
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Cross-drilled rotors = waste of money for a street car. Look stupid trying to be a racer wannabe. In a mini SUV to boot.
This has been discussed ad nauseum in the bimmer forums. The autocross guys are the only ones with even an inkling of benefit.
I will definitely be looking for lower dust pads though, sooner rather than later. Wheel cleaning is like an every other day thing.
This has been discussed ad nauseum in the bimmer forums. The autocross guys are the only ones with even an inkling of benefit.
I will definitely be looking for lower dust pads though, sooner rather than later. Wheel cleaning is like an every other day thing.
I heard Rejex works great and is cheap. Also paired with some autoglym custom wheel cleaner, diluted @ 1:1, economical on well maintained wheels (or go with Sonax Full effect wheel cleaner to really bite them iron brake dust)
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this will be more effective than using drilled rotors. 
It does not make any sense to this on the GLK. Maybe on C series or the Sport series of the sedan would be most beneficial. My 2 cents...
It does not make any sense to this on the GLK. Maybe on C series or the Sport series of the sedan would be most beneficial. My 2 cents...
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Hi. Remember me? The OP? - I've enjoyed reading everyone's postings... I should have stated in the original post that "it's just for looks" I hope to gain "nothing but happiness"... OK? Wow! Calm down. I'm probably going to the dealer this weekend to swap vehicles and get maybe get some clarity on the issue... C'mon, it's new 2011 GLK, be happy for me... I'm putting 2010 app.pkg rims on it (just to brief you so you won't think satan has posessed me) - it should look like this... with drilled rotors ;o)~
Last edited by Amaxm; Jan 12, 2011 at 01:49 PM. Reason: spellin...
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Plain smooth, grooved, or drilled, the average joe will not really feel any difference driving around town. Twin or quad piston calipers will make a difference anyone will notice.
It's true that drilled rotors once cracked or had signs of stress (small cracks) along the linear path from the hole. That's because we early tuners would experiment on our rotors by drilling our own holes. (1960's -early '80's). Nowadays you don't really see this kind of failure anymore. Street cars simply cannot produce the huge amounts of stress and/or loads to produce such failure. We change out our brakes (rotors/calipers/pads etc) almost after every race because during hard racing, the braking loads can be as much as 500% greater than any street car.
These Brembo set ups work great for the street. (They are not meant for racing in this configuration) And if you have 20"-22" wheels, they look fantastic because of their larger diameter. I think the stock brakes look rather silly inside such large wheels myself. But I agree, they're purely cosmetic and as such, a waste of money.
It's true that drilled rotors once cracked or had signs of stress (small cracks) along the linear path from the hole. That's because we early tuners would experiment on our rotors by drilling our own holes. (1960's -early '80's). Nowadays you don't really see this kind of failure anymore. Street cars simply cannot produce the huge amounts of stress and/or loads to produce such failure. We change out our brakes (rotors/calipers/pads etc) almost after every race because during hard racing, the braking loads can be as much as 500% greater than any street car.
These Brembo set ups work great for the street. (They are not meant for racing in this configuration) And if you have 20"-22" wheels, they look fantastic because of their larger diameter. I think the stock brakes look rather silly inside such large wheels myself. But I agree, they're purely cosmetic and as such, a waste of money.
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Eh.. the GLK is kind of a waste of money too... not really a truck, not really a car... ;o) It's what makes us happy, right? I wonder if I can delete my post as I'm getting all opinions and no answers...
Last edited by Amaxm; Jan 13, 2011 at 04:02 PM.
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2011 GLK350
*************************
EDIT: I was able to look up rotors for the GLK, then search by part number. There were 57 other matches, for models 204, 211, and 219.
CLS350/550
E350/E500
The C350 rotor also fits the CLK350.
These are the rotor part numbers:
A2034210412 C350 rotor
A2114211412 glk350 rotor
A2044210812 C300
So I would say no, they won't fit unless the dimensions are the same and the part number differences are for some other feature(s). However, because of the models fitted per rotor number I would say that they are different.
How 'bout your fancy rotors for an E350/E500? Those look like they would fit your GLK.
Bottom line, I'm happy my brakes are bigger than for a C-class, very nice.
EDIT: BTW, none of the calipers seem to match up either, all different part numbers. Doesn't mean they won't fit, they just don't match up as oem parts.
Last edited by CJBROWN; Jan 13, 2011 at 05:20 PM. Reason: add'l info
