dieseldoc

My GLC is doing the same thing. Dealer has ordered new pads.

mmaldin

My car at the dealer now for a B service. I asked the SA to look into the recurrence of the squealing brakes. The SA just told me that there is a new 'LI' that covers the continued squealing issue. A new brake pad with a different compound has been released that addresses the squeal as well as premature wear. He said that the brake pads are past the warranty period, 12mo/12,000mi, but they are comping me a set of pads anyway. Ill post the LI when I get my car back.

BenzC400

Were the repairs made? Is the brake noise gone? Were you able to get the LI information?

mmaldin

I was at the dealer for a B service too. Yes, the repairs were made as goodwill-warranty.
LI 42.10-P-063311
Just got the car back yesterday afternoon and I haven't driven it much. It's also been pretty mild here so I can't say for sure if the brake noise is gone. So far so good though.

kleinebin

I made the mistake of giving that service bulletin number to my dealer who immediately said "That's for the GLA."

They are going to deglaze the brakes. They told me they did this when I took it back after I bought it so I asked "Hasn't that been done?" And the same service advisor who told they had said "No."

Now I know why they don't provide paperwork for warranty repairs!

mmaldin

That's interesting, my car is a C300 Sport and that's the LI on the invoice.
The part # for the replacement pads that were installed is 000-420-67-00, TS Disk Brake.

Cosworth2000

My C450 AMG does the same.... I thought there was something wrong but is coming up on information screen.

netboy

I'm at the car wash yesterday, this Mercedes suv was making loud screeching.
my first thought is You driving a Mercedes and you can't afford to get new brakes??

kleinebin

Yes it is arvit worst after you wash the car or when in rains.

kleinebin

So I escalated to the new Service Manager. He pulled up the bulletin and said it's only for the C300 and only in North America. We only have the C300 coupe in Australia.

I told him regardless I want it fixed. They are going to do some work on the brakes next week and if not resolved look for a better fix.

I find the "It's a C300 not a C250 issue" a bit rich. He did say in Australia it has been identified as a GLA issue.

djdj

I've dealt with this issue since late 2015. Had pads replaced once or twice before. Dealer just replaced them again. Done under warranty, though dealer says MB wanted me to pay part of it. The receipt lists part or procedure number 000-420-67-00 and 000-420-82-00, plus "brake paste " Fingers crossed this finally fixes it.

kleinebin

Had my car in yesterday. They said there are some indents in the brake discs and that could be causing it. Said it's an expensive repair. As a first trial fix they are going to deglaze the brakes. Then they told me they want me to pay $275 for it as brakes are wear and tear.

I told him that they said they did it a month within buying the vehicle, lied to my face, and now want me to pay for it? He then agreed to waive the cost.

The secondary fix is to replace the brake discs which he says is "unusual" on such a new car. I made it clear if that it happens I expect it under warranty as it's been an issue since day one and he said "We'll cross that bridge when we come to it.'

The most annoying part os my car was in the shop again yesterday for the 12th occasion and they didn't perform any work on it, I have to take it back in.

Oh and there's a new defect. The glove box handle isn't staying where it should and is falling out...

Lizlongisland

I have had this issue since the onset but definitely more now the weather is cold. Breaks have been serviced but still have the issue (pads and rotors replaced). Starting to think it is not the breaks but sounds the same as everyone here, backing out - early morning, cold weather makes it worse and after car is warmed up no more sound. Very strange I have owned 2 Benz's before this and never had an issue like this. Other than that I absolutely love this car so it bums me out a bit.

supersky3k

My car is also in service for this issue. Will report back after few weeks.

kleinebin

My car is booked in on Monday for deglazing.

sunk318

My car is 2016 and has 20k miles. I took it in for a service and mentioned LI42.10-P-063311. They replaced the front brake pads and sensor. No more noise.

kleinebin

So they deglazed the brakes and the screech occurred as I drove out of the dealer...

Taking my car back on Friday and they are going to replace the brake pads. Not under warranty but "they will see what they can do."

Given they aren't replacing the brake discs either I'm wondering whether it will make any difference or if it's going to result in another service...

djdj

See my post above. The fix described there has worked for me -- for a few weeks now in varying temperature conditions.

Lizlongisland

Thanks for the information, I had the pads and rotors replaced, I still have a slight squeak pulling out of my garage in the AM if it is cold out. It does not squeak really any other time and it is always in reverse. It is much better, however, I will definitely use DJ's advice if it really acts up again.

J Kottke

I own a 2015 c300 sport my car started a year after I owned it. Work from home car sits in the garage. Back up. Screech is so loud people stop and stare. Drive it for 20 min go into store come back out reverse screech people stop and stare. Took into the dealer said all Mercedes sound like this. What! No. Insisted they fix it had to get a manager involved. New brakes new tires said was fixed had it back home two weeks later screech so loud both neighbors in separate yards stopped and stared. Called dealer they say it's cold this happens. Not when you drive it come home park it ten min later go out reverse screech no. Dealer has it again right now. Since last Wednesday. Over a week. Tech calls today said it only happens when the car is cold. No it happened when your pick up guy came and backed it up at 4:30pm right after my husband drove it home from work. 60 degree day. I've owned Lexus caddy ford cars. All brand new this car brand new NONE of my cars have EVER made this noise. No dealer has ever said it should. I'm embarrassed to drive it. I will never buy another Mercedes again if this is how they are suppose to sound. We go out to eat park it come out back up squeals so loud people stop and stare. My car has 19,00" miles new brakes 200 miles ago and new tires. Really.

J Kottke

I own a 2015 c300 sport my car started a year after I owned it. Work from home car sits in the garage. Back up. Screech is so loud people stop and stare. Drive it for 20 min go into store come back out reverse screech people stop and stare. Took into the dealer said all Mercedes sound like this. What! No. Insisted they fix it had to get a manager involved. New brakes new tires said was fixed had it back home two weeks later screech so loud both neighbors in separate yards stopped and stared. Called dealer they say it's cold this happens. Not when you drive it come home park it ten min later go out reverse screech no. Dealer has it again right now. Since last Wednesday. Over a week. Tech calls today said it only happens when the car is cold. No it happened when your pick up guy came and backed it up at 4:30pm right after my husband drove it home from work. 60 degree day. I've owned Lexus caddy ford cars. All brand new this car brand new NONE of my cars have EVER made this noise. No dealer has ever said it should. I'm embarrassed to drive it. I will never buy another Mercedes again if this is how they are suppose to sound. We go out to eat park it come out back up squeals so loud people stop and stare. My car has 19,000 miles new brakes 200 miles ago and new tires. Really.

BenzC400

Mine never screeched when warm. The fix provided by the service bulletin (shims) seems to have worked. I still get the occasional noise when it's cold, but it's nothing like it used to be.

kleinebin

So my saga continues. Dropped my car in, they replaced the brake pads at my expense (but apparently at cost) and within 20 mins I am started to get screeching from both front brakes instead of just one.

I've escalated to the dealer principal, demanded they escalate to MB and try to access the service bulletin fix. They said it is an issue in Australia on the GLA but only in North America on the C.

I've demanded they take the car, give me a C loaner until it is fixed. I also plan to ask for a refund for the brake pads when it's done.

mtyson227

I just had the car (C300 Sport) in at the dealership for the Ignition Recall (fixed), creaking noise from the headliner (turned out to be the panoramic sunroof, which they realigned and lubed - issue fixed). And I also had it in for the third time for the squeaky brakes.

History: Its a '15. Bought it in April of '15. Pads were replaced because of the issue in April '16 under "goodwill". Brought it in again for the same issue in April '17. They did the "paste" treatment on them. Winter again this year and the squeal is back.

This time the dealership said they could not recreate the noise (this is next to impossible not to recreate on a cold morning) - they had it overnight. They said they did the "paste" treatment again, but other than that there was nothing they could do since the pads were already replaced under goodwill and they should have been the "updated" pads. He stated this is just a symptom of large discs and pads with overnight rust on them. I explained that I've had BMW's and Mustang Cobra's with large brake discs and pads and have never had this problem. He apologized and said there was nothing more they could do on it.

Of course when the car is pulled up to the pick up area - the breaks squeal incredibly loudly. I wanted to go back in and speak to the service manager again...but I was so frustrated - I just wanted to leave. I'm afraid when I back out of my garage at 6:15am each morning I'm waking up half my neighborhood. It's frankly embarrassing.

Has anyone had a solid fix performed on their car for this? Also - is there a number at Mercedes I can call to elevate the issue? Thx!

Cosworth2000

I brought my car in over 5000KM now and they replaced the brake and but not the rotors and now everything works will. No problem with the brake since. Now, my new problem is that my battery died. They update the Ignition software as they found that it was not turning off. I think it's weird that it started doing this after it reached 1 year old.