SL55 valve train noise
07-01-2008, 12:13 AM
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2003 SL55
SL55 valve train noise
I just purchased an SL55 and it has a slight valve train tappet sound at idle. The dealer said it was normal, but I havent heard it before on any other Mercedes that I have owned. The last two were an S500 and a CL500. Is this common or does it need to be adjusted?
07-01-2008, 01:29 PM
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07' E350, 71' DATSUN 510
Valvetrain noise is normal on the 3 valve engines to an extent. Although it isn't uncommon for the lifters to go bad on these engines either.
I would take it to another dealer and get a second opinion.
I would take it to another dealer and get a second opinion.
