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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

Piston Rings S550, where to buy?

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Old Nov 25, 2013 | 10:43 PM
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merdeces s320
Piston Rings S550, where to buy?
Does anyone know where to purchase piston rings for the 2011 S550 M273.961 (5461cc)?

Mercedes will only sell them with a piston for over $250 each, yet they will sell the S63 rings on their own for just over $53

Which brings me to my 2nd question, does anyone know if they use the same piston rings ;-) the bore is the same size 98mm I think
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Old Nov 29, 2013 | 03:42 PM
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merdeces s320
Any clues or pointers? I know it a recent car but the engine has been around for a few years now
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