Under bonnet help - MBWorld.org Forums

Aug 10, 2023 | 09:32 PM

DavoeNZ

Thread Starter

Newbie

Joined: Jun 2023

Posts: 9

Likes: 2

2006 Amg E63

Under bonnet help

Hi all I have a 2006 e63 with approx 130ks on the clock. The other day after some spirited driving I noticed it had a loud nock knock knock sound which seemed like it coming from under the inlet manifold. Fired the car up today and the noise has drastically reduced and can hear it if put my head nder the car now. I'm not talking about the usual rattle of a cold start either. Don't really want too drive the car incase I cause serious internal. Any ideas as too waht it could. I have tried uploading a video but says format invalid. Any advice appreciated. Cheers, Dave

Aug 12, 2023 | 02:04 PM

ejenner

Member

Joined: Feb 2018

Posts: 227

Likes: 55

CL500, W212 e350 mega-spec

Quote:

Originally Posted by DavoeNZ

If a bearing has spun or has excessive wear to the point where it is knocking you cannot damage the engine more by driving it. If something like this has happened and you're unsure whether or not you can really hear anything you can continue to drive it until it gets worse... if there is even an issue. A spun bearing creating rod knock means the engine has to come out for a rebuild. It can't really get much worse so I'd carry on driving and if the confirmation happens in some more substantial way you won't have lost anything.

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