C63 AMG (W204) 2008 - 2015

Weird rattle sound when depressing gas pedal...

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Old 06-02-2017, 03:36 PM
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06 E55 / 13 C63
Weird rattle sound when depressing gas pedal...

hi guys-
im trying to diagnose this rattle sound. I can reproduce it when I'm depressing the gas pedal when parked- right around 1000rpm-1500. Also when driving at slow speeds, up to 30-35 mph, similar sound happens.

Any ideas? No performance loss or anything.

Thank you in advance...
Old 06-02-2017, 03:52 PM
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Video would def help.
Old 06-02-2017, 04:09 PM
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06 E55 / 13 C63
I had a video just couldn't upload for some reason but it worked from my phone....

rattle noise is obviois and starts around 9/10 seconds into the video, did it twice in video.

im wondering if it's a heat shield or something ever since I got my secondaries and res deleted maybe the heat shield is hitting one of those just a guess...

https://youtu.be/IGM5ID2CC2o
Old 06-02-2017, 04:10 PM
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Let me know if this works...



https://youtu.be/IGM5ID2CC2o
Old 06-02-2017, 05:10 PM
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I just played that video a bunch of times and I can't hear any unusual rattle, sorry
Old 06-02-2017, 05:12 PM
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When I press the gas medal around 9 or 10 seconds it rattles.... then again around 14 seconds another same rattle- I feel it is def some sort of shield rattle around the exhaust system somewhere. I may have tonjust raise the car up and check the entire system. I'm hoping that is the case and it's nothing else.

I can hear hear it in video- not sure man

Last edited by ELITE_KOV; 06-02-2017 at 05:15 PM.
Old 06-02-2017, 05:25 PM
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Ok man then have at it, it's probably an exhaust shield then if you think so. Good luck.
Old 06-02-2017, 05:25 PM
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I hear it.

Definitely sounds like something is loose under there.

Hopefully you'll be able to trace the issue with the car up.
Old 06-03-2017, 01:25 AM
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I would check any brackets or anything near/around the exhaust. Just give each thing a tighten.
Old 06-03-2017, 11:24 PM
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I don't suppose a baffle in a cat or something is loose?
Old 06-05-2017, 06:21 AM
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Originally Posted by ELITE_KOV
hi guys-
im trying to diagnose this rattle sound. I can reproduce it when I'm depressing the gas pedal when parked- right around 1000rpm-1500. Also when driving at slow speeds, up to 30-35 mph, similar sound happens.

Any ideas? No performance loss or anything.

Thank you in advance...
Thats funny. Sounds like I get the same rattle. Always happens when when I'm on a slight incline. I was thinking maybe it was the front shield of my C.F. air intake scoop vibrating a bit. I'll have to look into this further
Old 06-06-2017, 04:28 AM
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Originally Posted by ELITE_KOV
When I press the gas medal around 9 or 10 seconds it rattles.... then again around 14 seconds another same rattle- I feel it is def some sort of shield rattle around the exhaust system somewhere. I may have tonjust raise the car up and check the entire system. I'm hoping that is the case and it's nothing else.

I can hear hear it in video- not sure man
What happened? Sounds like exhaust/heat shield rattle to me too.
Old 06-06-2017, 06:29 AM
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Sounds like an exhaust rattle. What mileage? Tuned? How many 1/4 mile passes? Look at flexplate if not exhaust.
Old 06-06-2017, 07:49 AM
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I'd put money on a heat shield.
Old 06-06-2017, 07:50 AM
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Originally Posted by BLKROKT
I just played that video a bunch of times and I can't hear any unusual rattle, sorry
If your car makes the same sound you also have an issue.
Old 06-06-2017, 08:10 AM
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Originally Posted by Jasonoff
If your car makes the same sound you also have an issue.
I have a lot of weird sounds. Squeaks, squeals, whining, knocks, rattles, rubbing, vibrating. Car still drives fine. I just turn the volume up or step on the gas. No "issue" here.

Listened to the video again though. Sounds exactly like either a loose exhaust shield, or possibly exhaust vibrating against that center crossmember.

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