C63, C43 AMG (W206) 2023 -

2024 C63 S E Performance Boost/671 HP question

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Old Mar 12, 2025 | 06:30 PM
  #26  
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Here was the thread with the question on boost: https://mbworld.org/forums/c63-c43-a...1-hp-when.html
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Old Mar 12, 2025 | 09:59 PM
  #27  
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Originally Posted by asteng88
@Ozabani You don't have to be at 100% to use the boost. You just need to have "enough" stored in the battery pack. The engine must also be completely run in or it just won't allow you to use the full HP.
See the pics below from my car today. I have just over 3,400 miles on it so far. I use it in Boost Deactivated (yellow) mode in Race to get the full 671 hp when I want it and not just on kickdown.




Page 28 of the AMG Suppliment
Page 28 of the AMG Supplement


Boost Deactivated - Always using the Maxuimum Electrical Power
Boost Deactivated - Always using the Maximum Electrical Power


Boost Activated - For where max boost effect is needed exclusively via kickdown
Boost Activated - For where max boost effect is needed exclusively via kickdown


Great way to see the HP and Torque by clicking on the Performance app
Great way to see the HP and Torque by clicking on the Performance app


Tap on Engine at the top and you will see real time feedback from the cars performance.
Tap on Engine at the top and you will see real time feedback from the cars performance.
Side question: do you get the physical manual brochure along with the car? somehow I don't have anything in the car when I bought it.
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Old Mar 13, 2025 | 12:35 PM
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Originally Posted by DaQuan
Side question: do you get the physical manual brochure along with the car? somehow I don't have anything in the car when I bought it.
literally searched for it yesterday and found it in the trunk. Mercedes is ****, seriously, not the cars well some of the cars but the dealerships. They were 100% worthless and told me extremely wrong information regarding the car. Hence I am here asking questions. Go to the Mercedes me app and there should be an owners manual that will tell you the same thing.

Last edited by Ozabani; Mar 13, 2025 at 12:40 PM.
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Old Mar 13, 2025 | 12:40 PM
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Originally Posted by Ozabani
literally searched for it yesterday and found it in the trunk. Mercedes is ****, seriously, not the cars well some of the cars but the dealerships. They were 100% worthless and told me extremely wrong information regarding the car. Hence I am here asking questions. Go to the Mercedes meet app and there should be an owners manual that will tell you the same thing.
Dealerships are not owned by Mercedes. They are independent franchises. Some are better than others.
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Old Mar 13, 2025 | 12:41 PM
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Originally Posted by superswiss
Dealerships are not owned by Mercedes. They are independent franchises. Some are better than others.
not my question and I could care less about your comment. What I do care about is them selling a product and not being able to answer how it works. That I have a problem with when I give people $100,000 of my hard earned money.
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Old Mar 13, 2025 | 12:43 PM
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Originally Posted by Ozabani
not my question and I could care less about your comment. What I do care about is them selling a product and not being able to answer how it works. That I have a problem with when I give people $100,000 of my hard earned money.
Find a better dealership and take your business elsewhere.
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Old Mar 13, 2025 | 04:07 PM
  #32  
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AMG C63 S E Performance (2024)
I was told the run in for the engine was 2000 miles. That was wrong. See snippet from another post.



Last edited by asteng88; Mar 13, 2025 at 04:15 PM.
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Old Mar 13, 2025 | 05:53 PM
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Originally Posted by asteng88
I was told the run in for the engine was 2000 miles. That was wrong. See snippet from another post.

Thanks for the image.
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Old Oct 7, 2025 | 01:53 AM
  #34  
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Dealer even told me not to drive in S+ and Race on road because its too powerful to cause shifting jerky! Funny! By the way, this is very new tech for me, I watched many YT about this car, finally I can tried to full power in very short period of time.
Get into Race mode, battery 100% full and turn on the boost icon in blue as AMG manual mentioned, I drove in manual mode, I can feel a sudden boost stepping on the kick down switch!!
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Old Oct 7, 2025 | 10:42 AM
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This POS 2024 C63S is sitting in front of my house and its officially a lemon. Steer clear from Mercedes. They openly admitted not being able to fix my car on the last service order. Car went back and forth to the shop 6 times in a 6 month time frame. They have kept it for over 30 days at times and AMG got involved and said there is no fix. Malfunction and engine light throwing it up on the screen constantly, car at one point would turn and had to be towed, literally, not even 5 K miles on the vehicle now and I bought it brand new. STEER CLEAR FROM BENZ and their hybrid engine.
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Old Oct 7, 2025 | 06:40 PM
  #36  
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Originally Posted by Ozabani
This POS 2024 C63S is sitting in front of my house and its officially a lemon. Steer clear from Mercedes. They openly admitted not being able to fix my car on the last service order. Car went back and forth to the shop 6 times in a 6 month time frame. They have kept it for over 30 days at times and AMG got involved and said there is no fix. Malfunction and engine light throwing it up on the screen constantly, car at one point would turn and had to be towed, literally, not even 5 K miles on the vehicle now and I bought it brand new. STEER CLEAR FROM BENZ and their hybrid engine.
Sorry to hear about the less than optimal experience.
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Old Oct 8, 2025 | 07:25 AM
  #37  
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Originally Posted by Ozabani
I am a dumbass and literally I realized this earlier today just after I sent this. No I only have 200 miles on the car and I have not been pushing it because I know there is a breaking period. I only pushed it once and the race start would not work and told me to see owners manual. Are you 100% positive that after the breaking period of 1000 miles it will work? Also, do I have to take in for a service so they can remove that feature or is it automatically updated?
hey. congrats on the new car.
Take a look through the entire thread, all your questions are answered by other people asking the same thing!
Best of luck, drive safe!!
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Old Oct 8, 2025 | 10:18 PM
  #38  
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Originally Posted by asteng88
hey. congrats on the new car.
Take a look through the entire thread, all your questions are answered by other people asking the same thing!
Best of luck, drive safe!!
Right, just answered what I know so far, the engine data won't show total 673hp, have to do simple math, the upper guage show 469hp from engine, the bottom shows the charge and motor power boosting.

- 20% (41hp) boost in C, total 510 hp
- 65% (133hp) boost in S, total 602 hp
- 80% (163hp) boost in S+ and RACE,total 632 hp
- 100% (204hp) boost in RACE and BOOST activate, total 673 hp in 10 sec
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Old Oct 21, 2025 | 12:51 AM
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I can confrim 1500 km is the magic number - Sports + and Race kickdown is pretty close with the boost.

You can tell Race is every so slightly quicker.


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Old Oct 25, 2025 | 03:25 PM
  #40  
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Originally Posted by Sanch
I can confrim 1500 km is the magic number - Sports + and Race kickdown is pretty close with the boost.

You can tell Race is every so slightly quicker.

Did you feel the bunny hop on S+ and Race from 1st to 2nd?
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Old Nov 3, 2025 | 06:48 PM
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Nope, pretty smooth!
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Old Nov 5, 2025 | 01:27 PM
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Originally Posted by djoa
Right, just answered what I know so far, the engine data won't show total 673hp, have to do simple math, the upper guage show 469hp from engine, the bottom shows the charge and motor power boosting.

- 20% (41hp) boost in C, total 510 hp
- 65% (133hp) boost in S, total 602 hp
- 80% (163hp) boost in S+ and RACE,total 632 hp
- 100% (204hp) boost in RACE and BOOST activate, total 673 hp in 10 sec
this is interesting. I was under the impression other than full boost/kick down the electric motor would only produce a max of 93hp.
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Old Feb 16, 2026 | 07:19 PM
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Actually, full power is available in sport mode and higher.
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Old Apr 9, 2026 | 01:28 PM
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I have a 2024 c 63amg s and there is no boost option either on the steering wheel or on the infotainment system. The car has 11000 miles and I am in race mode. I have gone into settings- system- and there is no "control elements" AMG steer wheel- Wheel buttons. Also it say's the settings can be set in the settings select menu by pressing and holding it but nothing happens. I would love to find this boost button if anyone can steer me in the right direction.
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Old Apr 9, 2026 | 06:43 PM
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I have a 2025 and couldn’t find it either; however, in race mode mine will show 469 or slightly higher for the combustion engine and then 200 or slightly higher for the electric power unit. Total was a little over 671hp
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Old Apr 9, 2026 | 07:26 PM
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This is a true statement. I have a 2025 C43 and it's also a lemon. AC went bad and electronics isn't working 100%. I love how fast the car is, but I'm very disappointed how it gave soo many problems and the AC compressor had to be replaced in 10 months of having the car. I had 9k in miles when I first took it in for service A and told the dealer all the problems. Been in and out of the dealer and they've had it for more than 30 days. I'm just waiting to turn the car back into MB USA.
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Old Apr 9, 2026 | 07:27 PM
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Originally Posted by Ozabani
This POS 2024 C63S is sitting in front of my house and its officially a lemon. Steer clear from Mercedes. They openly admitted not being able to fix my car on the last service order. Car went back and forth to the shop 6 times in a 6 month time frame. They have kept it for over 30 days at times and AMG got involved and said there is no fix. Malfunction and engine light throwing it up on the screen constantly, car at one point would turn and had to be towed, literally, not even 5 K miles on the vehicle now and I bought it brand new. STEER CLEAR FROM BENZ and their hybrid engine.
This is a true statement. I have a 2025 C43 and it's also a lemon. AC went bad and electronics isn't working 100%. I love how fast the car is, but I'm very disappointed how it gave soo many problems and the AC compressor had to be replaced in 10 months of having the car. I had 9k in miles when I first took it in for service A and told the dealer all the problems. Been in and out of the dealer and they've had it for more than 30 days. I'm just waiting to turn the car back into MB USA.
​​​​​​​
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Old Apr 9, 2026 | 07:54 PM
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Originally Posted by rva C63
I have a 2025 and couldn’t find it either; however, in race mode mine will show 469 or slightly higher for the combustion engine and then 200 or slightly higher for the electric power unit. Total was a little over 671hp
Chat GPT said that that boost button option was for older models. It is no longer necessary.
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