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CPO with 23k miles and now I need brakes + rotors?

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Old Jan 28, 2020 | 03:50 PM
  #1  
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CPO with 23k miles and now I need brakes + rotors?

Hi guys,

So I have a 2016 s550 Cpo that we just purchased. After about a month I heard some grinding on the rear of the car. After taking it into the dealer they said I need rear pads and rotors... that left me a little confused because

1, i thought i bought a CPO and it was supposed to have more wear available min 65% on a CPO right ?

2, because I never seen a brake indicator on my instrament panel letting me know the brakes need service.

now the dealer wants to charge me $1,200 + for brakes .. it's not about the money , it's more of a fact that this car is supposed to 1 come with more usability before I have to service it & 2 it should give me notice my brakes need service especially if it's down to the rotor.


The advisor said the indicator didnt come on because there is only 1 rear sensor ... even if that were true he said both rear brakes need service, so the indicator should still come on. Right ?


My question is , has this happened to anyone else ?

And what are my options ?

Thanks





Last edited by D_Dubz; Jan 28, 2020 at 04:12 PM.
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Old Jan 28, 2020 | 04:46 PM
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IS this at the same dealer you purchased the car? If so I would go talk to your sales person and/or general manager, and let them know you are trying to resolve this in-house before you escalate to MBUSA. You shouldn't have issues within the first month or two.

If the dealer doesn't take care of it I'd honestly just have an Indy do it (I'd probably DIY). I would check the brakes too as I've never had to replace rotors (espically rear) at 23K, and a pad change should be cheap and easy. Depending on how open you wheels are you might be able to see enough of the pad/rotor to see if there is material left.

There is probably only 1 sensor on the passanger side (I can't say for sure on the W222, but this is common) You do need to do both sides. Pads may fix it if your rotor is within spec.

Brakes are an easy high margin repair at dealer so it's not surprising you have been recommended to change them.

Last edited by rediesel; Jan 28, 2020 at 04:50 PM.
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Old Jan 28, 2020 | 04:50 PM
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You do understand why they go so soon ? if not we can explain...
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Old Jan 28, 2020 | 06:01 PM
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Originally Posted by mrmotoguzzi00
You do understand why they go so soon ? if not we can explain...
Why would brakes on a CPO vehicle need to be replaced after a month of ownership?
Admittedly I know nothing about the MB CPO process, but if Acura, dealer required to replace brakes, tires, etc if less than 50% remaining. What is MB requirement?
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Old Jan 28, 2020 | 09:05 PM
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Originally Posted by D_Dubz
My question is , has this happened to anyone else ?
See my responses to Brake job and battery.
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Old Jan 28, 2020 | 09:06 PM
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This is one of the reasons a CPO does not mean what it used to. It means little to me these days. They check all the boxes and pay for the warranty, put new tires on it and call it a CPO. Means nothing. There is no proof the things were checked or up to a spec...unless they were replaced. All you get is new tires and 1 year. When I bought my '16 S, I physically checked everything...and guess what? I saw new tires installed on the carafax and didn't inspect too carefully. Two months later I am doing an oil change for a road trip and see belts on the inside of the rear tires separating. Then I notice the tread pattern is different left to right? Then different run flats? Then I check date code....and the tire is from before my car was built!! Yep a used tire! Trust no one, period. Yes, the dealer was caught, yes after meeting with the general manager they bought me new tires. Yes, told me a grand story about how someone was going to hang for it! Bottom line they pumped it out the door with old unsafe tires that could have killed myself and my family.

Last edited by seamus2154; Jan 28, 2020 at 11:11 PM.
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Old Jan 28, 2020 | 09:10 PM
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Originally Posted by rediesel
IS this at the same dealer you purchased the car? If so I would go talk to your sales person and/or general manager, and let them know you are trying to resolve this in-house before you escalate to MBUSA. You shouldn't have issues within the first month or two...
This is great advice. If you are having these issues they missed it in the inspection and certification process.

In the recent similar situation for me, the out-of-state dealership offered me a half-priced "courtesy" reimbursement which I declined because this meant to me half my responsibility, half theirs. We eventually settled on my idea of the equivalent value in parts of my brake repair costs, which are being shipped to me as we speak. This took numerous phone calls and emails. It was a total PIA.

Last edited by C Swenson; Jan 28, 2020 at 09:13 PM.
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Old Jan 28, 2020 | 10:24 PM
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What is the CPO brake wear rule with Benz 50 percent? I just bought a 2017 CPO with 16K miles. I notice a lot of brake dust inside the wheels, the old guy who owned the car for that 16K miles may have been a brake rider, I better pull the wheels and check the brakes. If they are more than half worn I better take it back to the selling dealer and have them square it away for me.
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Old Jan 28, 2020 | 10:48 PM
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Originally Posted by 2012 merc amg
What is the CPO brake wear rule with Benz 50 percent? I just bought a 2017 CPO with 16K miles. I notice a lot of brake dust inside the wheels, the old guy who owned the car for that 16K miles may have been a brake rider, I better pull the wheels and check the brakes. If they are more than half worn I better take it back to the selling dealer and have them square it away for me.




Last edited by C Swenson; Jan 28, 2020 at 10:51 PM.
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Old Jan 28, 2020 | 11:03 PM
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Originally Posted by mrmotoguzzi00
You do understand why they go so soon ? if not we can explain...
What? Explain please.
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Old Jan 28, 2020 | 11:06 PM
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Originally Posted by C Swenson
Yep! Checked the box so it's true! LOL Who certifies this with proof? No one.
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Old Jan 28, 2020 | 11:09 PM
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Originally Posted by 2012 merc amg
What is the CPO brake wear rule with Benz 50 percent? I just bought a 2017 CPO with 16K miles. I notice a lot of brake dust inside the wheels, the old guy who owned the car for that 16K miles may have been a brake rider, I better pull the wheels and check the brakes. If they are more than half worn I better take it back to the selling dealer and have them square it away for me.
They will have a ton of dust right after you wash the car and drive it. The stock pads shed a lot of dust normally.
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Old Jan 28, 2020 | 11:20 PM
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Originally Posted by D_Dubz
Hi guys,

So I have a 2016 s550 Cpo that we just purchased. After about a month I heard some grinding on the rear of the car. After taking it into the dealer they said I need rear pads and rotors... that left me a little confused because

1, i thought i bought a CPO and it was supposed to have more wear available min 65% on a CPO right ?

2, because I never seen a brake indicator on my instrament panel letting me know the brakes need service.

now the dealer wants to charge me $1,200 + for brakes .. it's not about the money , it's more of a fact that this car is supposed to 1 come with more usability before I have to service it & 2 it should give me notice my brakes need service especially if it's down to the rotor.


The advisor said the indicator didnt come on because there is only 1 rear sensor ... even if that were true he said both rear brakes need service, so the indicator should still come on. Right ?


My question is , has this happened to anyone else ?

And what are my options ?

Thanks
This should be about money. The only option you should propose to the dealer is replace the brakes at their cost not yours. If my dealer made this MISTAKE, they would make it right. The only RIGHT solution here is for them to replace the brakes at their cost period. Anything else will simply not do. You need to make this known to the General Manager of the dealership. You will soon find out if you should ever buy another car from this dealership based on how they respond.

I have been buying MBs from my dealer since 1997. They always make things right when a problem arises. Your issue is a problem and they simply need to make it right since they missed the boat big time.

I custom ordered and purchased a new 2016 S550 4matic from my dealer in 2015. I traded it in on my European Delivery ‘19 S63 AMG in 2018. I had put 36,000 miles on my ‘16 S Class and the first thing the dealer did was put new brakes on the car and CPO’ed the car. I had never changed the brakes on the ‘16 but as part of the CPO process the dealer changed the brakes for the new CPO owner. It is clear your dealer screwed up if it was a CPO car.
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Old Jan 28, 2020 | 11:28 PM
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Ya but they might say he rode the brakes for the month he had the car. Heck I just got my car a week ago and I already have put 600 miles on it, they may say I rode the brakes continuously for that 600 miles. lol
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Old Jan 29, 2020 | 12:28 AM
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Originally Posted by seamus2154
Yep! Checked the box so it's true! LOL Who certifies this with proof? No one.
I share your skepticism. The CPO is only as good as the service department doing the work. The danger your dealership put you and your family in with those tires is absolutely unconscionable.

D_Dubz, on the CPO certification paperwork that had to be done with the car inspection it should list both the MM thickness of the brakes and the rotor measurements at the time of inspection. This is required by MBUSA. What does it say on the work order? The tech that did the CPO work, the service manager, and the pre-owned sales manager all had to sign off on these numbers. Assuming it's the same service department, what are their current measurements that indicate immediate replacement and how do they compare to those of one month ago? Ask them for specifics before you let them do any work. If you eventually take this to MBUSA this is information you'll need at hand.
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Old Jan 29, 2020 | 09:55 AM
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Originally Posted by MTrauman
What? Explain please.
Why do S-Class use a lot of brake pads: 1) they are heavy cars, 2) Distronic will use a lot of brakes during slowing which you may not notice because you are not on the brakes.
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Old Jan 29, 2020 | 01:30 PM
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Originally Posted by SilberGrau57
Why do S-Class use a lot of brake pads: 1) they are heavy cars, 2) Distronic will use a lot of brakes during slowing which you may not notice because you are not on the brakes.
Yes of course but keeping in the context of the OP, brakes should not be grinding and need to be replaced due to wear after one month use after buying a CPO car even if they are heavy cars with distronic.
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Old Jan 29, 2020 | 02:40 PM
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CPO is just another way to sell a car to someone suggesting its better than a non cpo car NOT.

So you car does have ONE rear brake wear sensor. You can buy new pads for about 100 dollars and put them on the car if the rotors are not messed up its all good.

Last edited by Katie22; Jan 29, 2020 at 02:46 PM.
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Old Jan 29, 2020 | 05:48 PM
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I feel for you. While I understand your unmet expectations, you created this situation by assuming. There is no substitution for going over the car with a fine tooth comb before taking delivery. You likely even signed a form at purchase saying what the dealer owes you. If a brake job is on that list, you have no worries..., go get it. If not, you are asking for Grace.

It is simple to visually inspect all four rotors to ensure they are new. If the rotors are new the pads will be new. Mercedes-Benz clearly defines what CPO provides to the buyer. A complete brake job is not on the list.

On the plus side, you can get everything you need to put all new brakes on place on both axels for less than $500.00 if you shop around.
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Old Jan 30, 2020 | 07:32 AM
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Originally Posted by MTrauman
Yes of course but keeping in the context of the OP, brakes should not be grinding and need to be replaced due to wear after one month use after buying a CPO car even if they are heavy cars with distronic.
I thought wear indicators on brake pads would be a higher pitched metal on metal screeching sound, not grinding. When I think of grinding, I think what it sounds like when you wash your car and let the wet brakes rust overnight and then you drive it. It sounds like sandpaper. BTW, I was not trying to explain why the OPs brakes began grinding after only one month, but just why S-class uses a lot of brake pads in general.
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Old Jan 30, 2020 | 09:00 AM
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Did you look at the pads yourself? were they shot?
I got mine also cpo in 17 w 28k and they put new brakes and rotors all around.
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Old Jan 30, 2020 | 02:54 PM
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There is a inspection required to CPO it.
If done there is a work order with pad , rotor, and tire measurements.
If no work order there was no inspection. Sales has to ask service to do it and they won't do it without a work order. A big issue is that this CPO certification gives you warranty at ANY dealer. MB does not want dealers just throwing used vehicles out there on warranty.
Part of buying CPO is that they give you (must ask) the complete service history.
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Old Jan 30, 2020 | 03:06 PM
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While shopping for my S Class, I discovered several issues where annotated service could never have been done by MB dealers as stated on Carfax and it the dealer service history. Dealer service departments lie regularly.
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Old Feb 2, 2020 | 11:42 AM
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Originally Posted by MacMP
On the plus side, you can get everything you need to put all new brakes on place on both axels for less than $500.00 if you shop around.
Except for AMGs.
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Old Feb 5, 2020 | 03:42 PM
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I needed rear rotors at 23k, they were warped and had vibration when slowing. I got MBUSA involved and they covered the rear brakes and rotors. I believe they are known not to last long on the W222.
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