S-Class (W223) 2021 to Present

OBD2 Reader

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Old Apr 13, 2023 | 11:06 AM
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From: Costco
2023 S500
OBD2 Reader

I know our cars can often log events or codes that don’t necessarily show up as a warning light. I know my Audi did. I used to periodically plug in and pull any recorded codes. Can we do the same for our S class? Will any OBD2 port scanner work?
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Old Apr 16, 2023 | 01:44 PM
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2023 S500
I ended up getting the Blue Driver Bluetooth OBD2 scanner. I actually pulled two codes: U188D and U0154. Anyone know what U188D is?

Anyone have a full list of Mercedes’ U codes? Google returns nothing for U188D.
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Old Apr 16, 2023 | 05:36 PM
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U0154 = SRS, U188D may be related need to have MB dealer check with Xentry.




Last edited by konigstiger; Apr 16, 2023 at 06:17 PM.
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