Vabgeo

Hi all
my 2016 GLC 220d has done 26k kms and had 10 changes of brake pads, rotors and paste but still have this issue. For me I can reproduce the issue by driving for 20kms in traffic , taking out on a highway drive and then trying to reverse. Thankfully I had taken the service package so did not have to pay anything. The dealers have been very helpful , provided loaner cars and brake pad changes.
Dealer is mentioning that they will fix it permanently before July 18, but seeing this thread not sure what newer updates they have.

waylo

LOL, I will be very, very surprised if that July 18 fix occurs.

10 changes is unbelievable! You have incredible patience.

Rockyrainier

Unfortunately here in Canada we do not have a lemon law. I brought my car in again for new pads but break squeak slowly creeps back. I'm just losing patience and getting very frustrated with Mercedes Benz. This is absolutely unacceptable.

I'm not sure what else I can do. We should all go public about this. Unacceptable for a brand like Mercedes to have this problem.

Vabgeo

The dealers have called to say that they have a "new" fix and will be providing tomorrow. That they will not give me a courtesy car and that they will need only 1 day of testing shows they are not serious about this change.
I have replied to them as specified by my lawyer.
I am actually now in sindelfingen, germany where the main Mercedes Production is, Is there someone I can contact to vent out?
~m~

Teckno

Rockyrainier

I wish you luck my friend. I too are fghting with MB Canada regarding this issue. I'm really disappointed in MB Canada and feel they don't stand behind the product they sell.

Vabgeo

Hi All
Well I got a new set of pads and discs for the glc and they do feel different to use. I am testing the car for 2000km before I confirm its resolved. I will update the status.

19Aug 2018 nope it's not fixed

~m~

Vabgeo

300KMs done till now. The pads seem visually different , it looks like there is a small metal piece that extends - like a counterbalance. I will try to post a picture once I remove the wheel. If someone is removing their tires, can you PM me a pic of the disc and pads?

19Aug2018 I have started to get the sound back , its 29,000 on the odo, now it's at a higher pitch! So much for their 'fix'

​​​​​​

gfish

I have followed this thread for a couple years to make sure they had a proper fix before I wasted my time at the service department. I took my GLC in and they replaced the front brakes only and the pad number is different from other ones posted so here is what they installed and so far no screech
000 420 65 02 front pad set
001 989 94 51 09 Brake paste
169 540 16 17 Brake wear sensor
I will keep you posted on this fix

Michael36

I'm in the same boat and i can't get over the ignorance of Mercedes about this. Brake issue is a KNOWN problem not only on GLC, but on most Mercedes cars and also Mercedes AMG cars. They can't say they don't know about it, all you need is google it or check dealer mails that come back about the problem.
They also sell expensive cars were you expect things work. Or at least BASIC things work good. And i'm screeching around parking lots, home, red lights like i have a 20 year old car without maintenance...

I asked my dealer to solve this problem...they can't. They can replace brake discs and rotors AT MY COST but they don't guarantee screeching would stop. Of course they can't, because they know it won't stop like we see in many cases here. They know nothing about different brake pads either. I contacted Mercedes in Germany (main help line) about this. Guess what? They are not responsible for this and i should contact my local dealer. REALLY? Local dealer can't do anything as long Mercedes owns the problem, makes a fix and delivers it to the dealers! But no, why should they right? It's best to keep quiet, people will screech around and buy another MB in couple years. Well i won't, that's for sure. I really like my GLC, but i don't like the attitude of a premium brand even for the simple things...and i HATE it every time i arrive somewhere, everyone knows it because brakes love to sing it away.

Jetfuture

The pads start squealing once they typically have 4,000 to 6,000 miles on them. Nobody has really reported squealing on new pads. You should get that 4,000+ miles on the new pads by Winter - when the brakes will squeal the most. But thanks for posting the part numbers of the revised pads, paste, and sensor.

After 2 1/2 years, it's still the only thing we really don't like about the car (we got rid of the extended mobility tires, so we resolved that issue).

gfish

Front Caliper pic

Jetfuture

Interesting, gfish. You posted the following parts:
000 420 65 02 front pad set
001 989 94 51 09 Brake paste
169 540 16 17 Brake wear sensor

And they redesigned the calipers? That would be something I would have expected about 2 years ago. Do you happen to have a part number for the caliper(s)?

gfish

The calipers are the same just different pads

gfish

The pads have weights which are designed to reduce noise

JohnnyMN

After a 2nd attempt at a fix for this issue earlier in 2018, screeching has returned.

Are any kind of aftermarket brake components an option? I don't see any discussion on this.

gfish

Do your pads have the screech resistant weights attached like this pic?


Front caliper pic

JohnnyMN

No idea, but I will check. I have a dealer appt. in a couple days and will ask about this. As an aside, I contacted the 2 dealers in my area & told their SAs about the recurrence of the screeching and asked if there is a permanent fix as of now. The one that I didn't get my GLC from flat out told me no, and they have replaced a lot of brakes. The other dealer, where I got my GLC from and where my upcoming service appt is at, told me for about 90% they aren't hearing about any further issues. So I don't know if the 2 dealers are doing something different, or I'm just being told something different.

decorily

[QUOTE=JohnnyMN;7653804The other dealer, where I got my GLC from and where my upcoming service appt is at, told me for about 90% they aren't hearing about any further issue[/QUOTE]
Probably because 90% of people who have complained are learning to tolerate the noise and are fed up with listening to the dealer BS!
I do think it is a widespread issue and am noticing an increasing number of different brands having squeaky brakes.
I was coming out of Woodies hardware recently and noticed a man spraying WD40 onto the rear brakes of his new BMW 5 series. I stopped to talk to him and he said the noise was driving him mad.

I made sure that he wasn't driving behind me as we exited the car park! !!!

gfish

I have had zero issues since the dealer put these pads on. Part numbers are listed in an earlier post. I do not have the AMG model so that could be different. The vehicle is a 2016 GLC300 4matic

JohnnyMN

Just talked with a very well-respected local import repair shop about whether they are seeing similar issues & if any aftermarket solutions are working for them. He said he's seeing it more on Audi's himself (which I can attest to with my neighbor's A4) but not as many MBs, but they aren't that prevalent in my area so that's not a surprise. He said that to get rid of the issue the best bet is to replace both pads & rotors; all or nothing. He recommended Akebono pads (which I happen to have on my Infiniti) which are fantastic but they aren't seeing a lot of aftermarket stuff for rotors just yet. He's going to do some checking for good aftermarket alternative rotors to the MB which he said makes the job pretty spendy (~$950 per axel for pads & MB rotors).

siren001

My Audi had screeching brakes, dealer did all the TSB, and then I eventually changed pad and rotors together, Pads by themselves do not fix the issue. Its all about proper bed-in procedure.

nsoltz

My 2017 GLC300 is squeaking again after 1 replacement about 8 months ago. Will put up with it for now but take it back to dealer before a long road trip in May

mikeman2580

Has anyone confirmed that the new part #'s posted by "gfish" are a permanent fix? Has anyone else had these "new" pads put on their GLC?

000 420 65 02 front pad set
001 989 94 51 09 Brake paste
169 540 16 17 Brake wear sensor

mikeman2580

dieseldoc - do you happen to know the part #'s for the pads you had put on your GLC?