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S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Splash/sound guards

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Old Feb 11, 2026 | 09:34 AM
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Maine-MB's Avatar
Maine-MB
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S350 Bluetec
Splash/sound guards
I have a 2012 S350. The underbody panels (splash/sound guards) have all started to fail. They are a sort of rubbery/felt material and the seams and attachment points have seen better days. I looked online for replacements but the only one I found is the front under the radiator. Interestingly, this one isn't too bad, it is the rear and mid car ones that are worst. Is this a common problem? Anyone know what the part numbers are or where to get them?

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Old Feb 11, 2026 | 11:42 AM
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2006 W221 S500L M273
Dealer...
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Old Feb 12, 2026 | 12:53 PM
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2023 E 450 Sedan. 2018 GLC 300. 2013 E 350 Coupe (retired)
Try ebay for Chinese manufactured units
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Old Feb 12, 2026 | 01:02 PM
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S350 Bluetec
Originally Posted by smiles201
Try ebay for Chinese manufactured units
I thought of that but am having a hard time finding a comprehensive layout of the panels with part numbers.
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Old Feb 12, 2026 | 02:49 PM
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222 S-65
Any MB parts pro will find them just fine. Is best if you can be there at the parts counter to pick out what you need.
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