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I want to start off by stating that my vehicle is not under warranty. I have a 2020 GLE and recently my screen went dead. I tried multiple things, which did not fix it. I took it to the dealership and thy found that there is water covering the MBUX control module in the front passenger seats. I have tuxmats installed in my vehicle and the dealer states that water was going through the tuxmats and onto the control module.
However, I am pretty sure the dealership is lying because I have never really had any water spill into the front passenger area. I definitely feel like it is related to the AC line drainage recall in this vehicle. My vehicle had the recall performed about a few years ago, but I have read instances where the AC drainage kink reoccurred. I really feel this is due to the AC line issue and I am not buying the dealerships story about the mats. It honestly does not make any sense.
The dealership wants me to charge me close to 7k to have the module change. They also stated theres a possibility that that may not fix the issue as other connectors may need to be replaced secondary to water damage. I think this is absolutely criminal to charge this much for this as I think ultimately this is a manufacturing fault. Anyone have recommend next steps I can take? My vehicle is not under warranty, but it was CPO and CPO ended about 3 months ago.
I want to start off by stating that my vehicle is not under warranty. I have a 2020 GLE and recently my screen went dead. I tried multiple things, which did not fix it. I took it to the dealership and thy found that there is water covering the MBUX control module in the front passenger seats. I have tuxmats installed in my vehicle and the dealer states that water was going through the tuxmats and onto the control module.
However, I am pretty sure the dealership is lying because I have never really had any water spill into the front passenger area. I definitely feel like it is related to the AC line drainage recall in this vehicle. My vehicle had the recall performed about a few years ago, but I have read instances where the AC drainage kink reoccurred. I really feel this is due to the AC line issue and I am not buying the dealerships story about the mats. It honestly does not make any sense.
The dealership wants me to charge me close to 7k to have the module change. They also stated theres a possibility that that may not fix the issue as other connectors may need to be replaced secondary to water damage. I think this is absolutely criminal to charge this much for this as I think ultimately this is a manufacturing fault. Anyone have recommend next steps I can take? My vehicle is not under warranty, but it was CPO and CPO ended about 3 months ago.
Should I just get a used one and replace it?
Go to a different MB dealership and see if another is willing to help, you might need to go to several, not all MB dealerships are created equal.
You could also ask for goodwill repair from MB Corporate. Success rate is higher if you service the vehicle at an MB dealership but even if you don't, ask anyway as you have nothing to lose and everything to gain.
You could also ask for goodwill repair from MB Corporate. Success rate is higher if you service the vehicle at an MB dealership but even if you don't, ask anyway as you have nothing to lose and everything to gain.
Service the vehicle at a dealership means you always or at least constantly go to a MB dealership(s) to complete annual maintenance.
Show them the recall and the paperwork that showed that they did the recall work. If they inspected the AC drain and found a problem that required repair, you probably have a case. If they found no evidence of leaking from the drain hose, you might have more difficult proving that it was a Mercedes caused fault. Even then, your dealer should kick this up the chain to cover the repair.
Show them the recall and the paperwork that showed that they did the recall work. If they inspected the AC drain and found a problem that required repair, you probably have a case. If they found no evidence of leaking from the drain hose, you might have more difficult proving that it was a Mercedes caused fault. Even then, your dealer should kick this up the chain to cover the repair.
Good suggestion, can't believe I forgot the obvious.
Good suggestion, can't believe I forgot the obvious.
A friend had this happen to his GLS but it was determined the water entry had occured from the sunroof drain. I believe he said it cost around $5k for his repair and that the dealer actually contracted another company to replace the drain hose as supposedly the dealer techs were unable to snake it through the original path
A friend had this happen to his GLS but it was determined the water entry had occured from the sunroof drain. I believe he said it cost around $5k for his repair and that the dealer actually contracted another company to replace the drain hose as supposedly the dealer techs were unable to snake it through the original path
Sigh : ( sunroof drain blocked is common across MB models too
FWIW my 15 Cayenne and my 17 Macan have settlements coming for damage from their sunroof drains.
Interesting, seems like a problem not isolated to MB then. Now you got me curious about the cause, don't they have some preventative measures somehow or they expect customers to always check the drains?
Interesting, seems like a problem not isolated to MB then. Now you got me curious about the cause, don't they have some preventative measures somehow or they expect customers to always check the drains?
When I was a tech, I always checked the sunroof drains.
Some would try blowing them out with compressed air, but that would often (usually?) disconnect the tube. requiring some serious dismantling of something.
Gotta be gentle.
When I was a tech, I always checked the sunroof drains.
Some would try blowing them out with compressed air, but that would often (usually?) disconnect the tube. requiring some serious dismantling of something.
Gotta be gentle.
I see, it is nice of people like you that helps make sure it isn't clogged for customers. I assume that wasn't something you have to do as part of your job but you just did it because you are those kind individuals?
2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
Originally Posted by lionzer
I want to start off by stating that my vehicle is not under warranty. ...
You should reach out to @BenzNinja . He can determine if your module is toast and then help you get a new (used) module if needed and code it to your car.
How many other 2020 GLE 350 owners had this issue?
thanks for sharing this. I had this same issue with my car, they tried to claim a water bottle caused the leak and shortage. Doing further research, I saw others that issues. The dealership claimed they had never heard of the issue or the recall. And when I contacted Mercedes they said my car wasn’t part of the recall as it was produced in October or 2020. The repairs were over 7k. Any advice or anyone else who knows more on this issue your help would be appreciated!
Have the the same vehicle and Tux mats. Took it to the dealer and told us the MBUX module was fried They said the water was filtering through the mats (Bull****) They quoted close to $10,000 to repair it. $6200 for the module 1100 for labour and coding plus taxes I asked them how did they come to the conclusion because at first they said they diagnosed it and then they said they suspected water got into it. I At first we thought maybe the A/C bringing in water under the mats and then we were told that water got to the MBUX module from all the snow and slush from the rear passenger seat floor mats. This happened in December 2024. just last week we had some plus 47 degree extremely humid weather and I went to get in the car that morning and the screen lit up after being off for 6 months. Called the dealer and I got a "HUH" from them. I asked the service advisor if i should bring it in for an update he was like i wouldnt touch it bottom line the'yre scammers your module most likely got some water and needs to fully dry up. Remove the mats park it outside let it dry up or even lift the carpet and let the air get to it. did find the recall on it for the A/C draining just make sure it was completed and done properly because I took ours back a second time to make sure it was done right and then cpl weeks later my screen is working properly as it should an carpets are all dry
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