2014 Mercedes Benz cls 550 here’s why your timing chain slaps on start up.

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In this short video I will show you why your timing chain on your Mercedes with 276 or 278 engine makes noise on start up and what you need to have replaced before engine damage occurs.
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I have a sound from my 2012 CLS550. Can I send it to you to help me figure out what's going on? Thanks in advance.

dwighthoram
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I have a slight chatter on start up and it disappears after 3 seconds. 2014 cls 550 with 25k miles only. Im changing oil to a higher viscosity 5w40-50 and adding ester oil additive. But is it a ticking time bomb? It doesnt do it on cold starts. It does it after its hot. I turn car off and let it sit for 30 min to 1 hour and then it will make the noise. It almost sounds like valve chatter or something or lifter. But idk

scottp
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Anybody know the amount of labor it is to get in there and do this job?

scottp