Weird metalic rattle @1200rpm W211 E320CDI

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C4veman

New Member
Joined
Jun 28, 2020
Messages
2
Location
Netherlands
Car
W211 E320 CDI
As title describes my w211 has a weird rattle arround 1100/1200rpm.
Recently changed:

Glowplugs, motormounts, transmission mount, complete front and rear suspension and bushings.
all original mercedes or Lemforder.

I first thought it came from heatshield under filterhousing but that is not the case. Removed that and still have the weird noise arround 1100/1200rpm.

Anyone any idea what this might be?
 
Which engine do you have? Early w211 with om613 were known for piston slap at 1200rpm or so. Tbh was never a cause for concern. I saw cars that did it go on to clock up stellar mileages with no problems.
 
I have a m648 3.2 cdi 6 in line engine
 
I’ve go Mercedes cls shooting brake 250 2013 I have a drop of oil coming from my engine .I notice my dip stick is showing very high of oil . Is it possible for my diesel oil to be mixing with my. Engine oil .Thanks Pete
 
I have a m648 3.2 cdi 6 in line engine
Hi did you ever get to the bottom of this rattle as I have something similar on my E320. Mine seems to only happen when driving at slow speeds and is worse when going up hill. Nothing at all when stationary or the car is being driven harder.
 

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