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Knocking on cold start?

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Old Oct 19, 2011 | 09:33 AM
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S550Designo
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2007 S550 Designo Launch Edition
Knocking on cold start?
Ok, I have had the Benz for a few weeks now and I have noticed, more so on a cold start, that the engine makes a muffled knocking noise for 1-2 seconds after starting and it suddenly stops. This normal?
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Old Oct 19, 2011 | 02:00 PM
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96 and 08 911 turbos
id say yes...chain tensioners pumping up
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