GLC63s, GLC63, GLC43 AMG SUV and Coupe (X253, C253) 2015 - Present

2024 GLC 43 AMG Acceleration

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Old Apr 7, 2024 | 04:24 PM
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2024 GLC 43 AMG and 2024 GLE 53 AMG
2024 GLC 43 AMG Acceleration

I just purchased a 2024 GLC 43 AMG and the acceleration is hesitant compared to my wife’s 2024 GLE 53 AMG. This is just regular acceleration during daily travel. I’m still breaking in the engine. I know the GLC 43 is new to at least the US. Has anyone experienced hesitant acceleration?
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Old Apr 8, 2024 | 03:43 AM
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Will be Glc43 in few weeks
Originally Posted by Musclebound
I just purchased a 2024 GLC 43 AMG and the acceleration is hesitant compared to my wife’s 2024 GLE 53 AMG. This is just regular acceleration during daily travel. I’m still breaking in the engine. I know the GLC 43 is new to at least the US. Has anyone experienced hesitant acceleration?
well, i suppose the 53-43=10 mildhybrid technology is doing it's job, flattening the response curve compared to the 43 who needs some turbo spool (hence rpm's) to launch.
afaik the mild tech is on the gearbox so real short loop
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Old Apr 8, 2024 | 07:08 AM
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Get a tune, the difference between the two won't be as bad.
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Old Apr 8, 2024 | 07:42 AM
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Will be Glc43 in few weeks
No tune

Originally Posted by BlownV8
Get a tune, the difference between the two won't be as bad.
I stopped the tunes since I destroyed a 5 cyl 2.4 volvo on autobahn, using a tune. I don't touch my 43 engine !
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Old Apr 8, 2024 | 08:55 AM
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2024 GLC 43 AMG and 2024 GLE 53 AMG
Originally Posted by Bougy
well, i suppose the 53-43=10 mildhybrid technology is doing it's job, flattening the response curve compared to the 43 who needs some turbo spool (hence rpm's) to launch.
afaik the mild tech is on the gearbox so real short loop
From my understanding it should have power constantly from the turbocharger at any rpm. Below is from the Mercedes website.

If the vehicle itself is an object of beauty, so is what powers it: the AMG M129l 2.0-liter four-cylinder engine. Developed with painstaking craftsmanship and ultramodern production methods, the system derives its innovations directly from the Mercedes-AMG Petronas F1TM team. It’s turbocharged with an electric exhaust gas turbocharger that allows for optimal responsiveness at any rpm. It delivers maximum efficiency, and maximum thrills.
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Old Apr 9, 2024 | 07:33 PM
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2025 E450 All Terrain + 2024 GLC 43 (lemon)
I also own a 2024 GLC43. Your wife's GLE Is blessed with a 6 cylinder which naturally will feel less hesitant. However, the 4 cylinder in the GLC43 will smooth itself out once it is broken in (at least mine did).
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Old Apr 9, 2024 | 09:02 PM
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2024 GLC 43 AMG and 2024 GLE 53 AMG
Originally Posted by RJAZAR
I also own a 2024 GLC43. Your wife's GLE Is blessed with a 6 cylinder which naturally will feel less hesitant. However, the 4 cylinder in the GLC43 will smooth itself out once it is broken in (at least mine did).
Thanks for letting me know. Did you get track pace? I’m waiting for the break in period is over before I purchase it.
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Old Apr 11, 2024 | 03:20 PM
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2025 E450 All Terrain + 2024 GLC 43 (lemon)
I do not have the track pace package. The car is borderline too aggressive for me as it is!
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Old Sep 28, 2024 | 04:09 PM
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Originally Posted by Musclebound
From my understanding it should have power constantly from the turbocharger at any rpm. Below is from the Mercedes website.

If the vehicle itself is an object of beauty, so is what powers it: the AMG M129l 2.0-liter four-cylinder engine. Developed with painstaking craftsmanship and ultramodern production methods, the system derives its innovations directly from the Mercedes-AMG Petronas F1TM team. It’s turbocharged with an electric exhaust gas turbocharger that allows for optimal responsiveness at any rpm. It delivers maximum efficiency, and maximum thrills.
Hi, I’ve just purchased a new GLC AMG 43 today I’m having exactly the same problem.
Im very disappointed with the response compared to my AMG GLC 43 2018 6 cylinder.
I’m hoping this is going to be a running phase.
Did yours sort its self out after the running in period ?
Thank you

Last edited by Davidmcc10; Sep 28, 2024 at 04:11 PM.
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Old Sep 28, 2024 | 04:40 PM
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Originally Posted by Davidmcc10
Hi, I’ve just purchased a new GLC AMG 43 today I’m having exactly the same problem.
Im very disappointed with the response compared to my AMG GLC 43 2018 6 cylinder.
I’m hoping this is going to be a running phase.
Did yours sort its self out after the running in period ?
Thank you
Make sure all the updates are installed, dealerships for some reason don't update everything (I guess it takes time) as part of the PDI phase.
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Old Sep 30, 2024 | 07:34 AM
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24 amg 43 coupe
im finding on my 24 amg 43 that it varies pulling away from a stop. I've also noted that when you can let off the brake a couple seconds before you need to move it responds much faster which tells me that while the turbo does have an electric motor to keep it spun up for boost, it's not spinning enough or at all when at a complete standstill. I always drive in sport which also helps. once its moving its more than powerful enough to do almost anything you could need it's just that hesitancy thats almost unacceptable in a car costing this much making this much horsepower and torque.
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Old Oct 23, 2024 | 02:23 PM
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AMG GLC 43 2024
Thumbs up AMG GLC Hesitation

Originally Posted by Musclebound
I just purchased a 2024 GLC 43 AMG and the acceleration is hesitant compared to my wife’s 2024 GLE 53 AMG. This is just regular acceleration during daily travel. I’m still breaking in the engine. I know the GLC 43 is new to at least the US. Has anyone experienced hesitant acceleration?
Yes mine is the same and 3 other I've driven were the same, seems like a turbo lag but apparently something to do with the 48V battery

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Old Oct 23, 2024 | 02:26 PM
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AMG GLC 43 2024
Their answer Is "Fiction" I own one and driven 3 others all 2024. the lag is terrible
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Old Oct 23, 2024 | 02:28 PM
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AMG GLC 43 2024
No, they are all like it . AMG trained workshop manager told me it's something to do with the 48V battery, they are all "Jerky" through the gears
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Old Oct 23, 2024 | 02:32 PM
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AMG GLC 43 2024
Updates all done on mine, made no difference, thinking of rejecting the car
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Old Dec 8, 2024 | 11:11 PM
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GlC 43
GLC 43

I have had my car a little over a month. The transmission is VERY jerky and when I left work today, after shifting out of 1st, a bunch of the WARNING lights came on and systems were no longer working. The CHECK ENGINE light is now on. I tried getting it to reset to no avail. So I will be taking it in for service???
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Old Dec 9, 2024 | 05:40 AM
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AMG GLC 43 2024
Correct, the transmission needs adapting to the power delivery system by a factory trained AMG technician
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Old Dec 12, 2024 | 11:38 AM
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Ken ... How much will you give the car to me ...?? I am in Florida ...
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Old Dec 21, 2024 | 05:49 AM
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AMG GLC 43 2024
Yes there is nothing and then it flies! not pleasnt! the jerky gear change in mine has been improved by changing the Transmission Valve Body but still not exactly smooth, the car is being rejected (accepted)
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Old Dec 23, 2024 | 12:10 PM
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AMG GLC 43 2024
Originally Posted by Musclebound
I just purchased a 2024 GLC 43 AMG and the acceleration is hesitant compared to my wife’s 2024 GLE 53 AMG. This is just regular acceleration during daily travel. I’m still breaking in the engine. I know the GLC 43 is new to at least the US. Has anyone experienced hesitant acceleration?
.
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Old Dec 23, 2024 | 12:12 PM
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AMG GLC 43 2024
Yes, nasty delay when pulling away quckly, it's just how they are I'm afraid, the partnerhip between the transmission and the engine/battery is not a good one!

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