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No Pops and Bangs on 23' C63s Coupe?

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Old Mar 5, 2025 | 03:59 PM
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SL55Damien's Avatar
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2023 C63s AMG Coupe
Question No Pops and Bangs on 23' C63s Coupe?

Recently purchased a 23' C63s Coupe, final year of the V8 to my understanding but there is no pops and bangs when in Sport Plus, or Race Mode. I've had GTC, G63, GLE63s etc. all produced much more noise from the exhaust. Did Mercedes change something with the 23' to reduce the noise? Any information would be a huge help.
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Old Mar 5, 2025 | 04:49 PM
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Originally Posted by SL55Damien
Recently purchased a 23' C63s Coupe, final year of the V8 to my understanding but there is no pops and bangs when in Sport Plus, or Race Mode. I've had GTC, G63, GLE63s etc. all produced much more noise from the exhaust. Did Mercedes change something with the 23' to reduce the noise? Any information would be a huge help.
Purchased used I guess? Perhaps the previous owner did not drive it in a sporty manner, or maybe it is in soft limp mode. The latter of which can only be able to be diagnosed with a scanner capable of reading Mercedes related codes like iCarsoft and Launch CReader and of course MB's own diagnostic tool, XENTRY.
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Old Mar 5, 2025 | 04:51 PM
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Soft limp mode does not throw a CEL.
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Old Mar 5, 2025 | 05:07 PM
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2023 C63s AMG Coupe
Question

Vehicle was purchased used with 8k miles. Ive seen posts that mercedes added a OPF filter that previous years do not have, to combat emissons regulations, but that wouldnt affect a US car would it?
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Old Mar 5, 2025 | 05:13 PM
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Originally Posted by SL55Damien
Vehicle was purchased used with 8k miles. Ive seen posts that mercedes added a OPF filter that previous years do not have, to combat emissons regulations, but that wouldnt affect a US car would it?
As far as I know, C 63 S in the USA doesn't have OPF, you are good.

no pops and bangs is usually caused by soft limp mode.
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Old Mar 5, 2025 | 05:14 PM
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Here is something interesting, there was an update that improve the sound, more on it here: https://mbworld.org/forums/c63-c63s-...ml#post9056321

Last edited by W205C43PFL; Mar 5, 2025 at 05:15 PM.
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