2011 Mercedes-Benz E-Class "engine knock idle park" Questions

...engine area at idle. As rpm's increase the noise appears to go away. This noise is present at idle in drive, park and neutral. Have the dealer check it, sounds like a bad bearing or an oil problem. ...

engine knock in park and above idle 87 Camaro 2.8 v6 just replace a head gaskit few weeks ago. Now I have a loud knock when I rev engine in park (Sounds like a rod knocking). It knocks on the way up ...

...knock occurs when I decelerate and go from park to drive, then fine under power. Pulled engine pan, checked alignment, angles, offsets, clearance, etc. Nothing obvious. Please help. Desperate in ...

engine has knock engine doesn't knock at idle in park accelurate and knocking Change oil thicker weight with some Lucas and injector cleaner in gas trust me

...its flooding. Knocking does not change at all when in gear or parked. Could it be bad knock sensor? No it's not the knock sensor , sounds like you have a bad bearing in the engine , - rod bearing

...fast food when its kind of muzzled a bit, it a slight knock sound like it coming from lower engine nothing like a valve tick...only idling in drive though, if you put it in park sounds like new low ...

engine got hot plus knocking also appears, The reasons are follows: - Contaminated fuel. - Knock sensor poor performance. - Check exhaust system. If clogged, remove or replace the honey comb porcelain

knocking in the motor but only in park idling or at high rpms only Time for an engine. Knocking is a never a good noise.

...knock Which means the engine rotates too far and makes contact with a part of the engine bay it should not, or it is loose enough to make the sound. Easier to notice in a stick shift car than a ...

if the transmission is engage the engine would shake and you hear engine knock,but i put it on park or neutral the engine idle is smooth Check your engine mountings and stabilizers. Regards, DT