C63, C43 AMG (W206) 2023 -

2025 C43 ride quality

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Old May 2, 2025 | 11:07 PM
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rva C63's Avatar
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2025 C43 ride quality

Was waiting for the CLE 63 to come out and, against my better judgment, ended up leasing a 2025 c43 after an offer too good to pass up in the meantime. I test drove it and didn’t have any major concerns. Never drove it for an extended time on the interstate until today. After the first imperfection on the interstate, the car permeating a significant jar throughout the cabin. The more I drove it and encountered more dips/bumps, the more I noticed the car bouncing up and down to the point the passenger in the car said they were getting motion sickness. Seems like it’s porpoising a lot. My 2019 c43 and other AMGs have never done this. Anyone else have a similar experience?
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Old May 3, 2025 | 10:33 AM
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Originally Posted by rva C63
Was waiting for the CLE 63 to come out and, against my better judgment, ended up leasing a 2025 c43 after an offer too good to pass up in the meantime. I test drove it and didn’t have any major concerns. Never drove it for an extended time on the interstate until today. After the first imperfection on the interstate, the car permeating a significant jar throughout the cabin. The more I drove it and encountered more dips/bumps, the more I noticed the car bouncing up and down to the point the passenger in the car said they were getting motion sickness. Seems like it’s porpoising a lot. My 2019 c43 and other AMGs have never done this. Anyone else have a similar experience?
Check tire pressure (use fuel doir cap values), get rid of run-flats (can't remember if this car has run-flats though.)
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Old May 3, 2025 | 03:16 PM
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I don't think I've experienced porpoising on a road car, but maybe with all the supposed F1 tech on these cars they wanted to give you the full experience...haha! Joking aside, as mentioned above, first thing to check is the tire pressure. It's not unusual for dealerships to overinflate the tires. Set it to the recommended normal load pressure on the fuel door sticker. Also make sure they didn't forget to remove the shipping blocks. Something that happens occasionally.
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Old May 3, 2025 | 03:44 PM
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Thanks. My first thought was the 2022 or 2023 F1 car too when it happened lol.
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Old May 4, 2025 | 02:23 PM
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Originally Posted by W205C43PFL
Check tire pressure (use fuel doir cap values), get rid of run-flats (can't remember if this car has run-flats though.)
What are the tire pressure for normal load on the 2025 C43 ? (fuel door values)
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Old May 4, 2025 | 03:49 PM
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Originally Posted by flubb
What are the tire pressure for normal load on the 2025 C43 ? (fuel door values)
not a 2025 but I have a screenshot of a 2023 one

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Old May 4, 2025 | 03:53 PM
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Should be the same with the 2025 since both is still a W206 C 43.
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Old May 4, 2025 | 03:54 PM
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Originally Posted by flubb
What are the tire pressure for normal load on the 2025 C43 ? (fuel door values)
Actually, OP has a 2025 C 43 so hopefully OP can post an image : )
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Old May 4, 2025 | 03:59 PM
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Thanks, I have 20" C43 rims with same tires as the C43 on my C300e, so good to know (I was not far off) I will add 10kPa in front and 20kPa in back on my fuel door info as they are for 18/19" wheels
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Old May 4, 2025 | 04:51 PM
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Originally Posted by flubb
Thanks, I have 20" C43 rims with same tires as the C43 on my C300e, so good to know (I was not far off) I will add 10kPa in front and 20kPa in back on my fuel door info as they are for 18/19" wheels
I see, and you're welcome : )
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Old May 4, 2025 | 05:17 PM
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Here it is
Here it is
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Old May 4, 2025 | 05:34 PM
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Originally Posted by rva C63
Here it is
Here it is
Thanks OP! Confirmed it is the same as the 2023 model year of the one I posted.
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Old May 5, 2025 | 02:56 PM
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Originally Posted by W205C43PFL
Thanks OP! Confirmed it is the same as the 2023 model year of the one I posted.
Not the same for R20 normal load, strange
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Old May 5, 2025 | 03:43 PM
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Originally Posted by flubb
Not the same for R20 normal load, strange
Woah good eye!
Interesting, I only compared the top values and the bottom values and thought they were identical stickers, guess I need to admit I am getting old

Last edited by W205C43PFL; May 5, 2025 at 03:56 PM.
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