finding non drilled discs

[Trustmeimadoctor]

im really not sure why merc insist on fitting cars with drilled discs BUT is there any way to find a supplier of obviously the same sized discs but not drilled? as if you stick the reg in obviously it just looks at what should be fitted not if anything is compatible. any ideas and its not worth getting custom ones made etc

[Trustmeimadoctor]

because its pointless and noisy

[Trustmeimadoctor]

5harp3y said:

Which Merc?

w203 320cdi with sport package so 345mm disc

[Trustmeimadoctor]

hornmeister said:

I'm struggling to understand why?

Drilled discs can provide greater grip due to increased friction co-efficient. Are more efficient at clearing water which improves wet stopping distances and have a greater capacity for heat dissipation which improves fade and the holes also help clear build up on pads.

They're not drilled just to look nice although imho they do look better.

So the question shouldn't be why do Merc fit them as standard and should really be why other manufacturers do not.

Can you get non drilled ones to fit? Probably but I'd guess that downgrading the braking performance of your car wouldn't be looked upon favourably by your insurance company.

Edited by hornmeister on Thursday 23 August 13:04

i suppose since the rest of the range with same engine dont have drilled disks but this has the sport kit so get the rather large 345mm disc and 4 pot caliper of the c55 AMG the holes just seem to always fill with friction material

[Trustmeimadoctor]

cheers will look at brembo and ebc then.
i agree with the cooking spec taxi comment by the way the brakes are stupidly over sized really.

[Trustmeimadoctor]

As pointed out its a not very powerful diesel with heavily over specified brakes for the sake of being sporty its not going to see a track ever or even get driven spiritedly.

[Trustmeimadoctor]

I'm gonna do the looking today. Thanks for all the help

[Trustmeimadoctor]

You sure? As all the disc websites say 345

But there again people keep saying I don't have 4 pots either!

[Trustmeimadoctor]

W203 c class 320 sport diesel 3 litre 2007

[Trustmeimadoctor]

in the end i gave up and just ordered ATE discs and pads went for ceramic even though they font recommend using with non smooth discs. they were brembo discs i fitted before i just hope this time they dont warp