S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

clicking noise on cold start

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Old 05-05-2013, 06:13 PM
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1995 s500 wald mercedes coupe
clicking noise on cold start

When I start my 1995 S500 COUPE from cold, it starts first click however the first 3 to 5 minutes of idleing is accompanied by a clicking - almost as if a fan or something is brushing against something else. If I turn the engine off then start it again the noise is no longer there. I cannot see anything visually - any ideas as to what may cause this?
Old 05-07-2013, 08:47 AM
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s320
hyd. lifters do this,you might try thicker oil,or replace oilers in the valve area.They are made of plastic,and break over time.

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