19 c63s odd noise
#1
Junior Member
Thread Starter
19 c63s odd noise
'19 c63s sedan only 300 miles..
When accelerating at a regular speed from a dead stop I hear this odd knocking sound for a second coming from the front of the car. It's right as the car starts to accelerate. If I go over speed bump and my cars sways side to side I hear it as well. Any ideas?
When accelerating at a regular speed from a dead stop I hear this odd knocking sound for a second coming from the front of the car. It's right as the car starts to accelerate. If I go over speed bump and my cars sways side to side I hear it as well. Any ideas?
#2
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2013 C350, 2013 GL450, 2018 G550 4x4^2
I get some strange rattles in park, neutral.. as if the turbos are fluttering,, maybe not but some kind of f clatter as I step on the gas and after release as the idle settles. Something is rattling and I cannot figure out what it is. I have the same engine my g550 but it doesn’t rattle at idle like this. In drive I do t hear it, only when it’s idle in park
#3
'19 c63s sedan only 300 miles..
When accelerating at a regular speed from a dead stop I hear this odd knocking sound for a second coming from the front of the car. It's right as the car starts to accelerate. If I go over speed bump and my cars sways side to side I hear it as well. Any ideas?
When accelerating at a regular speed from a dead stop I hear this odd knocking sound for a second coming from the front of the car. It's right as the car starts to accelerate. If I go over speed bump and my cars sways side to side I hear it as well. Any ideas?
#5
19 coupe here, 2k miles.
I hear a very faint pop if the car has been sitting for a couple days when I first pull away but I think its just the brakes releasing.
Nothing else unusual at all.
I hear a very faint pop if the car has been sitting for a couple days when I first pull away but I think its just the brakes releasing.
Nothing else unusual at all.
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Expat93 (05-22-2019)
#6
Junior Member
Thread Starter
I'll try to do a recording soon. It's like a knocking sound when the car shifts position aka accelerate. Something in the engine bay shifting ?. Maybe the plastic cover..
#7
All that creates a huge number of places where things can vibrate under various conditions and resonant frequencies. And this is not to mention all the plastic-on-plastic and plastic-on-wood/metal adjacencies in the cabin.
While buzzes 'n squeaks 'n rattles are annoying, given the construction of these vehicles, I sort of expect a bit of this and am willing to accept some level of noises, as long as they're not during normal, relatively smooth-road driving. Under strong acceleration or driving over very rough roads, I find both my C43 and C63 S will offer up some noises -- some, like the exhaust sound are wonderful, others "no so much."