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E63 lound air release noise !

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Old Dec 7, 2020 | 06:55 AM
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E63 w213
E63 lound air release noise !
Hey people i bought an E63 W213 last month and i have a question about it.. i got really hard on it at a roundabout with ESP sport on and sport+ mode and just after getting a little sideways i heard a loud air release noice throught the copkit (for 3 seconds) and after it stopped ! No warning's on the screen and nothing seems to be wrong after that..! I drove the car for about 30km and it has not done it again... I think it was the air suspension but i never had that one before so am not sure ! Hope to see if that's normal..! Thank you !
p.s. the car has 11,000km on it so far !
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Old Dec 8, 2020 | 09:48 AM
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Could it be the tyres sliding?
They do sometimes make strange noises on different surfaces.
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Old Dec 8, 2020 | 11:08 PM
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Originally Posted by velryba
Could it be the tyres sliding?
They do sometimes make strange noises on different surfaces.
Thank you for answering ! No way for the tyres there was a sound almost the same and loud as you use a co² fire extinguisher if you know what i mean !
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Old Dec 9, 2020 | 04:16 AM
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i have air suspension, but never heard any sound like you describe
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Old Dec 9, 2020 | 04:46 AM
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Could it be a turbo wastegate release?
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Old Dec 9, 2020 | 08:51 AM
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Originally Posted by Andreas63
Thank you for answering ! No way for the tyres there was a sound almost the same and loud as you use a co² fire extinguisher if you know what i mean !
That's loud.....
Now I really want to know what it was

And I don't think it was the wastegate, as it would be doing it since.

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Old Dec 9, 2020 | 11:11 PM
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Originally Posted by JakeW213
Could it be a turbo wastegate release?
No way for the wastegate as it was really loud and the sound was not came from the engine but from.copkit or left fenders side !
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Old Dec 11, 2020 | 03:35 AM
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Someone told me that It's to prepare for crash. Windows roll up instantly, seat belts tighten and a few other things as the strange sound throw speakers probably.. hhmmm
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Old Dec 11, 2020 | 05:10 AM
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Found the reasson !
https://www.google.com/amp/s/www.mer...e-safe-system/
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Old Dec 11, 2020 | 07:53 AM
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if its only happening while you are turning, i think there is an issue called "crabbing". you should be able to search for it on this forum - i think ive read examples of GLC and C classes so far.
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Old Dec 11, 2020 | 12:16 PM
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Originally Posted by jhpmbusa
if its only happening while you are turning, i think there is an issue called "crabbing". you should be able to search for it on this forum - i think ive read examples of GLC and C classes so far.
Crabbing makes no sound, that's when the rear wheels are not in line with the front wheels while travelling straight.
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Old Dec 11, 2020 | 12:47 PM
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Originally Posted by velryba
Crabbing makes no sound, that's when the rear wheels are not in line with the front wheels while travelling straight.


Here is a video on the crabbing "NOISE" issue and the resolution. not sure if it's the same exact issue but hope it helps.
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Old Dec 12, 2020 | 02:03 PM
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Perhaps you were crop dusting. what did you have for lunch ?
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Old Dec 12, 2020 | 02:08 PM
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Originally Posted by jhpmbusa
https://www.youtube.com/watch?v=4lOKOmAbse4

Here is a video on the crabbing "NOISE" issue and the resolution. not sure if it's the same exact issue but hope it helps.
Wow, one more reason to really not like run-flats.
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