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2023 S500 check engine light

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Old Dec 16, 2023 | 08:56 PM
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Bethany1998$'s Avatar
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2023 S 500 and 2020C300
2023 S500 check engine light

I have a 2023 S500 and the check engine light comes on frequently . I have had it back to the dealer several times and they "clear the codes" they have told me to ignore it , they are working on a fix and will tell me when its available. This is not acceptable to me.
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Old Dec 17, 2023 | 06:49 PM
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Last edited by garyharbon; Dec 18, 2023 at 05:16 AM.
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Old Dec 17, 2023 | 06:51 PM
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bone stock E55 AMG
moved to W223 forum...
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Old Dec 18, 2023 | 01:44 PM
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2012 S350 Bluetec, 2014 GLK250 Bluetec, 2026 E350 4Matic
Originally Posted by Bethany1998$
I have a 2023 S500 and the check engine light comes on frequently . I have had it back to the dealer several times and they "clear the codes" they have told me to ignore it , they are working on a fix and will tell me when its available. This is not acceptable to me.
Talk to a lawyer about lemon law?
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Old Dec 18, 2023 | 05:10 PM
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2023 S500
It’s probably this https://www.tsbsearch.com/Mercedes-B...54-21-P-076055 and it’s a known issue that is supposedly harmless and yes, there is a fix in the works. The light should go off by itself after three+ restart/sleep cycles.

Take the TSB with you the next time you’re at the dealership, confirm your issue is the same and ask if there is any SCN coding updates available.
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