GLE63s, GLE63, GLE53 AMG SUV & Coupe (W166, W167) 2015 - Present (Two generations)

2025 GLE63 "Emotion start" not working

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Old Apr 16, 2025 | 02:30 PM
  #26  
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Although it doesn't apply directly, this YouTube article talks about cold startup noise:
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Old Apr 16, 2025 | 02:33 PM
  #27  
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Originally Posted by superswiss
Pretty much yes. I doesn't do anything when cold starting. Cold start is already louder. It makes the warm start a bit more interesting with a few crackles from the exhaust. It's not really anything to write home about.
I see, understood, then just put the vehicle in sport+ or Race then start the engine when warm, I guess same effect as emotion start.
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Old Apr 16, 2025 | 02:35 PM
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Originally Posted by mikapen
Although it doesn't apply directly, this YouTube article talks about cold startup noise:
https://youtu.be/d2SAawnMNd0?si=DwNYccgzw26Dc1Yv
I really enjoy the cold start in the morning (cars in general, not just MB) and just simply driving, the exhaust really sounds better just how it sounds better in the winter, I guess it has to do with physics or resonance.
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Old Apr 16, 2025 | 06:32 PM
  #29  
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I'm a bit surprised about the desire for what used to be Emotional Start. Then I remembered something. The cold start on my 392 Wrangler is incredible and always puts a smile on my face. The sound of the GLE 53 Coupe isn't that appealing to me and I sort of wish I ponied up another $30K for the 63S Coupe, but I still love the 53 Coupe

Not mine. Mine is pictured below.



My 2024 392 Wrangler (Not so) Final Edition

Last edited by timotat; Apr 16, 2025 at 06:37 PM. Reason: Picture didn't load
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Old Apr 16, 2025 | 08:38 PM
  #30  
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Like thunder : )
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Old Apr 17, 2025 | 10:02 AM
  #31  
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A cold start is not an Emotion Start on a Mercedes. These are completely 2 different things.
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Old Apr 17, 2025 | 12:42 PM
  #32  
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Originally Posted by suby01
A cold start is not an Emotion Start on a Mercedes. These are completely 2 different things.
What about warm start in sport+
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Old Apr 18, 2025 | 09:19 PM
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Originally Posted by W205C43PFL
What about warm start in sport+
That’s just that. A startup with the valves opened.
Emotion Start. As mercedes calls it. Or BMW calls its Startup Roar, and I’m sure other brands have their own versions. is a quick rev of the RPM’s to make the car louder for a brief moment upon start up.
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Old Apr 18, 2025 | 09:45 PM
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Originally Posted by superswiss
What might shed more light on this would be knowing the manufacturing date of your engine. While the car's manufacturing date is 05/24, the engine will have an earlier date as AMG has an inventory of engines. Emotion Start is a function of the engine. It's possible that during the transition period there are vehicles leaving the factory with engines that were built several months earlier and therefore may have features that more recently built engines no longer have. Especially in case of the GLE as the engine is built in Germany and then has to be first shipped to Alabama before it can be put into an actual vehicle. I'm guessing MBUSA also keeps an inventory, so they don't have to wait for engines to arrive. So potentially your engine could be much older than your car.
Can you share where you got this information? Regarding that the emotion start is available depending on the engine.
I would really be interested in seeing the factual details for that.
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Old Apr 18, 2025 | 10:18 PM
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Originally Posted by suby01
That’s just that. A startup with the valves opened.
Emotion Start. As mercedes calls it. Or BMW calls its Startup Roar, and I’m sure other brands have their own versions. is a quick rev of the RPM’s to make the car louder for a brief moment upon start up.
I see, can you just rev it manually the moment you press the ignition?
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Old Apr 18, 2025 | 10:33 PM
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Originally Posted by suby01
Can you share where you got this information? Regarding that the emotion start is available depending on the engine.
I would really be interested in seeing the factual details for that.
This was mainly an educated guess. Emotion Start is part of the ECU. When they make mid cycle changes, they don't necessarily go back and reprogram all the engines sitting in inventory. The change will likely only apply to engines built moving forward. That's not to say that they might not reflash the ECU before the car leaves the production line or at the VPC. If they deem it necessary to remove a feature from an already built engine, for example to get it through Homologation, then they would certainly have to do it, at least before a new model year is released.

Generally they don't disclose the reasons behind removing features like this, so at this point we are largely guessing when exactly it got dropped for different models. Fact is, it is no longer a feature of newer models, but the exact point in time when it got dropped appears to be somewhat fluid. It seems for those that still have it, it's mentioned in the owner's manual as a feature, but if it's no longer in the owner's manual then it got dropped for your car.
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Old Apr 19, 2025 | 07:17 AM
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Originally Posted by superswiss
This was mainly an educated guess. Emotion Start is part of the ECU. When they make mid cycle changes, they don't necessarily go back and reprogram all the engines sitting in inventory. The change will likely only apply to engines built moving forward. That's not to say that they might not reflash the ECU before the car leaves the production line or at the VPC. If they deem it necessary to remove a feature from an already built engine, for example to get it through Homologation, then they would certainly have to do it, at least before a new model year is released.

Generally they don't disclose the reasons behind removing features like this, so at this point we are largely guessing when exactly it got dropped for different models. Fact is, it is no longer a feature of newer models, but the exact point in time when it got dropped appears to be somewhat fluid. It seems for those that still have it, it's mentioned in the owner's manual as a feature, but if it's no longer in the owner's manual then it got dropped for your car.
Okay I agree on this then. Emotion Start is just ECU programming/tunning.
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Old Apr 19, 2025 | 01:33 PM
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Originally Posted by superswiss
This was mainly an educated guess. Emotion Start is part of the ECU. When they make mid cycle changes, they don't necessarily go back and reprogram all the engines sitting in inventory. The change will likely only apply to engines built moving forward. That's not to say that they might not reflash the ECU before the car leaves the production line or at the VPC. If they deem it necessary to remove a feature from an already built engine, for example to get it through Homologation, then they would certainly have to do it, at least before a new model year is released.

Generally they don't disclose the reasons behind removing features like this, so at this point we are largely guessing when exactly it got dropped for different models. Fact is, it is no longer a feature of newer models, but the exact point in time when it got dropped appears to be somewhat fluid. It seems for those that still have it, it's mentioned in the owner's manual as a feature, but if it's no longer in the owner's manual then it got dropped for your car.
So, to refine a question - it's not an exhaust valve opening, and an AMG53 that didn't have the valve option, Emotion Start would still roar?
For me, with the I6, it's difficult to tell a difference between valve open, Emotion Start, and my "I" button (which is programmed for max engine performance).

Maybe my "I" button is the same as the ECU difference you mention.
Mine's a 21.
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Old Apr 19, 2025 | 07:48 PM
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Originally Posted by mikapen
So, to refine a question - it's not an exhaust valve opening, and an AMG53 that didn't have the valve option, Emotion Start would still roar?
For me, with the I6, it's difficult to tell a difference between valve open, Emotion Start, and my "I" button (which is programmed for max engine performance).

Maybe my "I" button is the same as the ECU difference you mention.
Mine's a 21.
I’ll get a video posted in a bit to show the difference.
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Old Apr 19, 2025 | 09:02 PM
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Originally Posted by suby01
I’ll get a video posted in a bit to show the difference.
That will be nice, thank you.
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Old May 19, 2025 | 10:07 PM
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Originally Posted by GLE36backwords
Nope, I have it. It's pathetic to be honest.
indeed
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Old May 19, 2025 | 10:47 PM
  #42  
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Originally Posted by suby01
I’ll get a video posted in a bit to show the difference.
Turns out we forgot about your video, do you still have it?
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Old May 19, 2025 | 10:50 PM
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Originally Posted by CPD SLK
indeed
It is better than nothing I hope?
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Old May 21, 2025 | 07:05 PM
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Originally Posted by W205C43PFL
Turns out we forgot about your video, do you still have it?
Cold Start vs Emotion Start.

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Old May 21, 2025 | 08:15 PM
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Originally Posted by suby01
Cold Start vs Emotion Start.

https://youtu.be/qN_Fdq4r85g

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