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W206 Quality Control Issues?

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Old Jun 28, 2022 | 09:34 PM
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2025 C300
W206 Quality Control Issues?

I purchased a 2022 C300 in the US May 25. In the last 33 days, I’ve had several problems with the car quality and the MBUX screen.

Six days after driving off, I shut the sunroof and the whole assembly for the overhead lights just fell out. See pics. The dealer just popped it back in and said it’s plastic clips…

On really sunny days, the middle screen just shuts off for a few minutes and is frozen, I assume for the heat on the screen. Today, the screen completely gave in and stopped working! No A/C, MBUX, or reverse camera! Blind spot monitor also stopped working… See pics attached.

I drove off the lot 33 days ago…


Died when screen did

Screen is dead

Just fell out

Last edited by 818benz; Jun 28, 2022 at 10:43 PM.
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Old Jun 28, 2022 | 09:52 PM
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Originally Posted by 818benz
I purchased a 2022 C300 in the US May 25. In the last 33 days, I’ve had several problems with the car quality and the MBUX screen.

Six days after driving off, I shut the sunroof and the whole assembly for the overhead lights just fell out. See pics. The dealer just popped it back in and said it’s plastic clips…

On really sunny days, the middle screen just shuts off for a few minutes and is frozen, I assume for the heat on the screen. Today, the screen completely gave in and stopped working! No A/C, MBUX, or reverse camera! Blind spot monitor also stopped working… See pics attached.

I drove off the lot 33 days ago…
Sorry to hear about it.

Is it just me or I don't see the pictures mentioned? I think I am blind.

That said, if it is not a hardware issue, I believe a software update may fix the issues with the screen. If not they can replace it.

You are protected by the lemon law depending on your state, I do hope you don't have to come to that though. Hopefully those two issues you mentioned are your only ones.
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Old Jun 28, 2022 | 09:57 PM
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This place is a joke.
Never buy any new model vehicle in it's first year of release.
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Old Jun 29, 2022 | 08:20 AM
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I got my C300 on May 20th. The issue I had was the clunk/thump which turned out the front brakes and rotors had to be replaced. I think that is from the car being made in October 2021 but not being delivered or even driven until May 19, 2022 to my dealer. I have driven my car around Los Angeles in the 100 degree heat this week and no issues with the screen. Most likely yours is defective. I had that happen on my brand new 2020 C300 and my dealer replaced it and never had an issue again.

so far my brakes were the only issue and I tinted my windows and didn’t have that module problem.

Last edited by Dstopsie; Jun 30, 2022 at 07:17 AM. Reason: Typo
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Old Jun 29, 2022 | 09:15 AM
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No more MB:(
First year model with staggering amount of tech....what could go wrong?
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Old Jun 29, 2022 | 09:59 AM
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Sorry to hear about the experience.

This is normal for Mercedes, the low quality manufacturer of pretty shiny objects.
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Old Jun 29, 2022 | 03:59 PM
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Originally Posted by chassis
Sorry to hear about the experience.

This is normal for Mercedes, the low quality manufacturer of pretty shiny objects.

i had way more problems with BMW. So much so I vowed I would never ever own or lease another one. And I haven’t!
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Old Jun 29, 2022 | 06:18 PM
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Originally Posted by places
First year model with staggering amount of tech....what could go wrong?
Hahah agreed!
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Old Jun 29, 2022 | 06:22 PM
  #9  
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From: SFV
2025 C300
Originally Posted by 818benz
I purchased a 2022 C300 in the US May 25. In the last 33 days, I’ve had several problems with the car quality and the MBUX screen.

Six days after driving off, I shut the sunroof and the whole assembly for the overhead lights just fell out. See pics. The dealer just popped it back in and said it’s plastic clips…

On really sunny days, the middle screen just shuts off for a few minutes and is frozen, I assume for the heat on the screen. Today, the screen completely gave in and stopped working! No A/C, MBUX, or reverse camera! Blind spot monitor also stopped working… See pics attached.

I drove off the lot 33 days ago…


Died when screen did

Screen is dead

Just fell out
24 hours later, I turned the car on and everything works- the screen and all assistance systems are functioning normally like before. All I did was turn the car on. Dealer is super apologetic.

I’ve kept my appt at the dealer as what happened is not normal, especially since they chose to make the AC controls part of the screen! I doubt they will find anything wrong though, one local dealer said they don’t even have enough techs to work on the newer models yet.
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Old Jun 29, 2022 | 06:26 PM
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From: SFV
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Originally Posted by Dstopsie
I got my C300 on May 20th. The issue I had was the clunk/thump which turned out the. Takes and Toyota Merced replacing. I think that is from the car being made in October 2021 but not being delivered until May 19, 2022 to my dealer. I have driven my car around Los Angeles in the 100 degree heat this week and no issues with the screen. Most likely yours is defective. I had that happen on my brand new 2020 C300 and my dealer replaced it and never had an issue again.

so far my brakes were the only issue and I tinted my windows and didn’t have that module problem.
I got my windows tinted after which my back turn signals, trunk, or camera wouldn’t work. Guy at the shop kept it overnight and explained they had moved the location of the fuse box in the trunk so tint solution blew a fuse. It was an easy fix once they were able to get inside the trunk.

1.7k miles later I haven’t had any issues with breaks or the dreaded noise they make - hopefully I won’t!
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Old Jun 29, 2022 | 10:03 PM
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Originally Posted by 818benz
I got my windows tinted after which my back turn signals, trunk, or camera wouldn’t work. Guy at the shop kept it overnight and explained they had moved the location of the fuse box in the trunk so tint solution blew a fuse. It was an easy fix once they were able to get inside the trunk.

1.7k miles later I haven’t had any issues with breaks or the dreaded noise they make - hopefully I won’t!
Glad you found the solution, now I see the pictures. Thank you for posting them. I too hopeful that you no longer face any issues. Yes, there was a warning from another forum member here when it comes to tinting the W206: https://mbworld.org/forums/c-class-w...ar-window.html
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Old Jun 30, 2022 | 05:41 AM
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As others have said. First year new cars typically have bugs that need to be sorted out, but reading that you tinted your windows you may have more than a blown fuse problem. The issue with tinting is the water/solution can get into the electronics. The fact that it started working after 24 hours is a good indication that you got water/solution in the electronics and it dried out, but the issues might come back.
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Old Jun 30, 2022 | 07:31 AM
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From: SFV
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Originally Posted by superswiss
As others have said. First year new cars typically have bugs that need to be sorted out, but reading that you tinted your windows you may have more than a blown fuse problem. The issue with tinting is the water/solution can get into the electronics. The fact that it started working after 24 hours is a good indication that you got water/solution in the electronics and it dried out, but the issues might come back.
I got my tints 28 days ago and haven’t had any problems after the fuses were replaced. I am unsure if any residual moisture was left over or enough of it to cause the recent damage. My guess is heat or something to do with the MBUX head unit.
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Old Jun 30, 2022 | 07:39 AM
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Originally Posted by 818benz
I got my tints 28 days ago and haven’t had any problems after the fuses were replaced. I am unsure if any residual moisture was left over or enough of it to cause the recent damage. My guess is heat or something to do with the MBUX head unit.
The issues don't have to necessarily surface right away. The chemicals in the tinting solution can cause corrosion on the circuits over time or affect the cooling of the electronics. Those chemicals don't belong there and there's no guarantee it won't cause issues over time. It'll also void the warranty if they discover that fluids got into the electronics.
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Old Jun 30, 2022 | 07:43 AM
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My tints were done on May 23rd and have not had any issues whatsoever. Could the problem with tinting also be the kind of tint installed, ceramic vs. non ceramic??
my tint is not ceramic because my car is garaged all the time except when I go run errands. I work from home so the car is always in the garage so I chose the non ceramic Xpel tint.
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Old Jun 30, 2022 | 07:52 AM
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Originally Posted by Dstopsie
My tints were done on May 23rd and have not had any issues whatsoever. Could the problem with tinting also be the kind of tint installed, ceramic vs. non ceramic??
my tint is not ceramic because my car is garaged all the time except when I go run errands. I work from home so the car is always in the garage so I chose the non ceramic Xpel tint.
it's completely install related. amount of water used, etc.

I'm sure it's easy to avoid if installer is aware and is careful. if installer is aware they may decline for liability reasons.

no reason you can't just do the side windows for the time being.
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Old Jun 30, 2022 | 07:54 AM
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I have used the same company since 1997. Never had an issue after tinting on any car they have done.
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Old Jul 4, 2022 | 11:44 AM
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I have also had problems with the central screen shutting down and disabling all the features related to it such as Navigation, Music, GPS and driving assistance systems for the journey I was on. After leaving the car overnight they would normally work again. I took the car to the dealership and insisted on the latest software updates in an attempt to fix these issues. After the updates were installed about one month ago I have not had further issues. Only time will tell if they are fixed permanently or not.
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Old Jul 11, 2022 | 11:23 PM
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Some of my outer weather trim is starting to peel off and it seems like it's due to poor adhesive. Anyone else also having this issue?
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Old Jul 12, 2022 | 12:35 PM
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Originally Posted by chassis
Sorry to hear about the experience.

This is normal for Mercedes, the low quality manufacturer of pretty shiny objects.
Once again, same broken record response.
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Old Jul 12, 2022 | 03:41 PM
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Originally Posted by 190Efan
Once again, same broken record response.
Sadly, it is truth. Flashy tech and inconsistent reliability.
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Old Jul 12, 2022 | 08:08 PM
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Originally Posted by 190Efan
Once again, same broken record response.
Right, because each new launch demonstrates how repeatably bad MB quality is. MB's poor quality is like a broken record.
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Old Jul 13, 2022 | 12:47 PM
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Originally Posted by chassis
Right, because each new launch demonstrates how repeatably bad MB quality is. MB's poor quality is like a broken record.

i had alot of issues with my Lexus vehicles and BMW. I just don’t feel it’s fair to just blame Mercedes. I think all manufacturers have issues and as hard as it may be to pursue a claim, that’s why the lemon laws were enacted.
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Old Jul 13, 2022 | 05:00 PM
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Originally Posted by chassis
Right, because each new launch demonstrates how repeatably bad MB quality is. MB's poor quality is like a broken record.
You're the broken record because all you ever post are attacks on MB. Are you not capable of writing anything else? Your attacks are boring and don't offer any help to the OP.
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Old Sep 12, 2022 | 07:13 AM
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Originally Posted by Dstopsie
I got my C300 on May 20th. The issue I had was the clunk/thump which turned out the front brakes and rotors had to be replaced. I think that is from the car being made in October 2021 but not being delivered or even driven until May 19, 2022 to my dealer. I have driven my car around Los Angeles in the 100 degree heat this week and no issues with the screen. Most likely yours is defective. I had that happen on my brand new 2020 C300 and my dealer replaced it and never had an issue again.

so far my brakes were the only issue and I tinted my windows and didn’t have that module problem.
Hello. I think my car may have the same issue as yours.
I hear a quite loud thump when driving over bigger road bumps. Sound like the front of my car hits the bump, like the car is too close to the ground. I picked up mine in July 2022. Might have to return it to the dealer for inspection.

Another issue with my car is a rumbling sound coming from the speaker that is left to the center drivers display ( speaker closest to the front left door close to the screen.
songs with a bit heavier bass generates this sound. Kinda sounds like something is a bit loose. Problem also seems to disappear and reappear again.
Issue doesnt get resolved by turning down the bass in the equalizer.
anybody else have the same problem?

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