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2024 GLE 450 Harsh downshifting while breaking behavior (recently)

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Old Apr 6, 2025 | 05:03 PM
  #201  
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'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
Originally Posted by Hockey09099
I canceled an order for a new G wagon due to this. They did a fix, but it barely worked. The entire dealership just really didn't seem want to help
Not sure I understand your comment. They let you return your special order car after you had it for a while? Sounds like they went above and beyond.
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Old Apr 6, 2025 | 05:16 PM
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Originally Posted by mikapen
Not sure I understand your comment. They let you return your special order car after you had it for a while? Sounds like they went above and beyond.
I guess they either gave up on the deposit or got it refunded then the custom ordered vehicle went into inventory instead.
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Old Apr 7, 2025 | 09:34 AM
  #203  
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Originally Posted by mikapen
Not sure I understand your comment. They let you return your special order car after you had it for a while? Sounds like they went above and beyond.
Well, if the imminent 25% tariff takes place, I see the demand (and prices) of low-mileage foreign vehicles sky-rocketing (for a while). I'm sure, like we've seen before, used cars going for more than MSRP.

Meh, it won't last forever.
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Old Apr 21, 2025 | 07:54 PM
  #204  
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2024 GLE450 4Matic AMG
2024 GLE450 4MATIC AMG harsh downshift

Originally Posted by XVG
Hi all,

I have a 2024 GLE 450 and I recently started to experience some harsh downshifting while breaking, for the last 2-4 weeks. Vehicle is 7 months and has 8,500 miles.

It happens around 40% of the time, but only if the car was in 5th gear or higher. Otherwise either it doesn't happen or it's so mild that I don't feel it. If you put the vehicle info screen with acceleration and braking you can see the braking going from 8% to 16% or so when this happens.It looks like the car is deliberately using 5->4 (and 5->3!) to apply a good bit of extra braking. But it's so much that is not smooth and gets annoying. In my case it lasts until coming to a stop, so I am not sure if it's the transmission or the whole braking behavior/system/programming. It seems more pronounced when there is a car in front of me, or there is a stop sign, so maybe? (I have driver assistance package). This may be totally placebo and instead it may be related to the current speed before braking. I am not sure if the assisted braking uses radar/stop information or not. I know the regen does, cranking the regen if there is a slowing vehicle in front.

I'll mention this to the dealership next time the car is there and I have a loaner. It would be great if they can reset the parameters to what it was before.

I've seen several posts over the years complaining about this behavior – I wonder if other folks with 2024 GLEs are experiencing this.
I have the exact same issue in my wife's 2024 GLE450 4MATIC. Very harsh down shift from 5th to 4th, and almost as harsh 4th to 3rd. All other gear downshifts are gentle as would be expected. Odd its just these specific downshifts, but its driving the wife nuts.

I guess I will try the relearn process to see if it will help.
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Old Apr 21, 2025 | 08:02 PM
  #205  
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Originally Posted by Jetpilot10
I have the exact same issue in my wife's 2024 GLE450 4MATIC. Very harsh down shift from 5th to 4th, and almost as harsh 4th to 3rd. All other gear downshifts are gentle as would be expected. Odd its just these specific downshifts, but its driving the wife nuts.

I guess I will try the relearn process to see if it will help.
standstill adaptation, be specific when you ask the dealership. it takes a couple of tries to get right though.
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Old Apr 22, 2025 | 11:21 AM
  #206  
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'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
Originally Posted by W205C43PFL
standstill adaptation, be specific when you ask the dealership. it takes a couple of tries to get right though.
It's a relatively new procedure (December 2024?) I think it takes several repetitions to get verification.
Previously two technicians had to drive around while performing a set of tasks.

Until there's a chance to get to the Dealer, it's a good idea to perform the At Home relearn for two reasons. 1. It might work, and 2. You can tell the Dealer that you've completed the first step in troubleshooting.
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Old Apr 22, 2025 | 12:25 PM
  #207  
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Originally Posted by mikapen
It's a relatively new procedure (December 2024?) I think it takes several repetitions to get verification.
Previously two technicians had to drive around while performing a set of tasks.

Until there's a chance to get to the Dealer, it's a good idea to perform the At Home relearn for two reasons. 1. It might work, and 2. You can tell the Dealer that you've completed the first step in troubleshooting.
I agree and I thought so too but perhaps a little longer than that, I have my dealership performed a standstill adaptation in 2022 for my family member's GLE and it made a huge difference. For those who tried standstill adaptation and it didn't work keep trying, it is important the technician is patient and knowledgeable. The last resort would be forced adaptation.
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Old Apr 22, 2025 | 04:09 PM
  #208  
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Supposedly there is a software update available that removes the need for a standstill adaptation. Last time I talked to my service advisor, she told me that it hadn't been released yet. That was several months ago. My standstill adaptation was done over six months ago and appears to still be working. No more harsh downshifts.
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Old Apr 22, 2025 | 04:55 PM
  #209  
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Originally Posted by BlueYonder
Supposedly there is a software update available that removes the need for a standstill adaptation. Last time I talked to my service advisor, she told me that it hadn't been released yet. That was several months ago. My standstill adaptation was done over six months ago and appears to still be working. No more harsh downshifts.
Please let us know when you hear that the software update is rolling out. My adaptation is also working still and I think I must have done mine shortly before you. There is a small but steep hill in my neighborhood where I would always feel a poor shift from 1 to 2, it's been buttery smooth shifting ever since the adaptation.
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Old Apr 23, 2025 | 09:37 PM
  #210  
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2024 GLE 450
Originally Posted by wildta
Please let us know when you hear that the software update is rolling out. My adaptation is also working still and I think I must have done mine shortly before you. There is a small but steep hill in my neighborhood where I would always feel a poor shift from 1 to 2, it's been buttery smooth shifting ever since the adaptation.
I have 2024 GLE 450. Software update is out. My dealer installed 6 weeks back while car was in for service. All issues of hared down shift are resolved.

Last edited by BBinTX; Apr 23, 2025 at 10:04 PM.
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Old Apr 23, 2025 | 09:39 PM
  #211  
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Originally Posted by BBinTX
I have 2024 GLE 450. Software update is out an dealer installed 6 weeks back while car was in for service. All issues of hared down shift are resolved.
Awesome!
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Old Apr 24, 2025 | 01:06 AM
  #212  
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Originally Posted by BBinTX
I have 2024 GLE 450. Software update is out. My dealer installed 6 weeks back while car was in for service. All issues of hared down shift are resolved.
Does your service paperwork state anything about it? If so, would you mind uploading a Pic of it?
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Old Apr 24, 2025 | 05:51 PM
  #213  
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Originally Posted by wildta
Does your service paperwork state anything about it? If so, would you mind uploading a Pic of it?
Subscribed, look forward to seeing the paper work as well. It is good news finally MB fixes the transmission shifting issue.
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Old May 14, 2025 | 08:31 AM
  #214  
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2024 GLS450 2020 BMW X6 2022 Land Cruiser Prado
Originally Posted by W205C43PFL
There is not really a competitor to the G wagen though, such a shame the transmission is a deal breaker for you on a vehicle that is pretty special.
My friend, here in Panama... the GLS450 was 150,000 dollars.... to be having problems with a transmission.... wouldn't mind if it was a glitch in the screens... lights... but on hardware... that has a software problem.. that a no go. First experience in MB... and to be having the car on the dealer.. contineously..??
i agree you cancellled the G-wagen.... good choice.
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Old May 14, 2025 | 08:37 AM
  #215  
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Originally Posted by W205C43PFL
Subscribed, look forward to seeing the paper work as well. It is good news finally MB fixes the transmission shifting issue.
Mine in Panama has already had 2 "software" updates...?? Words from the technitians in spanish.
TCU has been updated 2 times... one in cold and one when the transmission is hot.
Another one made to the transfercase.
was told by the general manager ... to drive the car in sport.....
once in sport.... the downshift is less felt... but still jerky.
waiting for a third try words of them.
already disscusin returning the car..
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Old May 14, 2025 | 12:44 PM
  #216  
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Originally Posted by Angelitopstar27
Mine in Panama has already had 2 "software" updates...?? Words from the technitians in spanish.
TCU has been updated 2 times... one in cold and one when the transmission is hot.
Another one made to the transfercase.
was told by the general manager ... to drive the car in sport.....
once in sport.... the downshift is less felt... but still jerky.
waiting for a third try words of them.
already disscusin returning the car..
Return the car, hopefully the replacement doesn't exhibits this behaviour anymore.
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Old May 14, 2025 | 12:45 PM
  #217  
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Originally Posted by Angelitopstar27
My friend, here in Panama... the GLS450 was 150,000 dollars.... to be having problems with a transmission.... wouldn't mind if it was a glitch in the screens... lights... but on hardware... that has a software problem.. that a no go. First experience in MB... and to be having the car on the dealer.. contineously..??
i agree you cancellled the G-wagen.... good choice.
That really stinks : ( sorry to hear that. I assume the standstill adaptation didn't help? Be specific, standstill adaptation, a normal or random adaptation won't cut it. It might take a few tries, be patient and hopefully your technician is also patient.
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Old May 14, 2025 | 01:12 PM
  #218  
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Originally Posted by W205C43PFL
That really stinks : ( sorry to hear that. I assume the standstill adaptation didn't help? Be specific, standstill adaptation, a normal or random adaptation won't cut it. It might take a few tries, be patient and hopefully your technician is also patient.
Yes it's not an adaptation RESET. Instead it's a STANDSTILL adaptation.
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Old May 14, 2025 | 01:18 PM
  #219  
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Originally Posted by W205C43PFL
Return the car, hopefully the replacement doesn't exhibits this behaviour anymore.
I,m waiting to see what else the dealer says.
yesterday i found this document.

I'm actually scared of this...to expensive here that car in Panama. To new to be having transmission issues.
thing is... what car to choose. Cause usually when things happen... dealers dont give money back... they just tell us to choose another car from the lot.

https://static.nhtsa.gov/odi/tsbs/20...10669-0001.pdf

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Old May 14, 2025 | 01:20 PM
  #220  
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Originally Posted by W205C43PFL
That really stinks : ( sorry to hear that. I assume the standstill adaptation didn't help? Be specific, standstill adaptation, a normal or random adaptation won't cut it. It might take a few tries, be patient and hopefully your technician is also patient.
So, i'll have to check what "updates" they did... cause its the first GLS 450 in Panama that has had this problem.
no especific name to the updates has been given to me. So i cant tell about standstill...or random.. or normal.
Ill have to talk to them again.. and ask for what specific update was given.
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Old May 14, 2025 | 02:15 PM
  #221  
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Originally Posted by wildta
Yes it's not an adaptation RESET. Instead it's a STANDSTILL adaptation.
Affirmative
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Old May 14, 2025 | 02:17 PM
  #222  
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Originally Posted by Angelitopstar27
So, i'll have to check what "updates" they did... cause its the first GLS 450 in Panama that has had this problem.
no especific name to the updates has been given to me. So i cant tell about standstill...or random.. or normal.
Ill have to talk to them again.. and ask for what specific update was given.
If you can grab the work order as well, that will be nice.
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Old May 14, 2025 | 02:18 PM
  #223  
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Originally Posted by Angelitopstar27
I,m waiting to see what else the dealer says.
yesterday i found this document.

I'm actually scared of this...to expensive here that car in Panama. To new to be having transmission issues.
thing is... what car to choose. Cause usually when things happen... dealers dont give money back... they just tell us to choose another car from the lot.

https://static.nhtsa.gov/odi/tsbs/20...10669-0001.pdf
Recalls should be free though.
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Old May 14, 2025 | 02:18 PM
  #224  
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Originally Posted by W205C43PFL
If you can grab the work order as well, that will be nice.
thing is, they do updates and call us to test drive the car. So no actual document has been given to me for now.
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Old May 14, 2025 | 04:49 PM
  #225  
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Originally Posted by Angelitopstar27
thing is, they do updates and call us to test drive the car. So no actual document has been given to me for now.
I see, they still should document it in an official setting and provide you a printout of what work is done, strange your dealership doesn't.
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