Unusual jerky drive experience
Thread Starter
Member
Joined: Aug 2012
Posts: 86
Likes: 0
From: Brunei
2014 ML63 AMG, 2018 C63S AMG, AUDI RS6
Unusual jerky drive experience
Hi Guy,
I have encountered 3 instances of my vehicle jerking in whilst lightly depressing the throttle in "comfort" mode as i pull out of junctions or down the stretch home. mind you this occurred today after a carwash of which i may have sprayed water into the air scoop.
I have experienced this once after a relatively spirited drive in the wet and after a carwash. I am in the midst of troubleshoot the possibility of this being contributed by a swap in the K&N air filter or perhaps some moisture entering the air vent tray.
In any case i have not had any warning CEL lights pop up and the car runs fine. Just wondering if anyone has experienced a similar case to mine before?
I have encountered 3 instances of my vehicle jerking in whilst lightly depressing the throttle in "comfort" mode as i pull out of junctions or down the stretch home. mind you this occurred today after a carwash of which i may have sprayed water into the air scoop.
I have experienced this once after a relatively spirited drive in the wet and after a carwash. I am in the midst of troubleshoot the possibility of this being contributed by a swap in the K&N air filter or perhaps some moisture entering the air vent tray.
In any case i have not had any warning CEL lights pop up and the car runs fine. Just wondering if anyone has experienced a similar case to mine before?
Member
Joined: Feb 2012
Posts: 131
Likes: 1
C63 ML350
If its as you slowly roll off without accelerate and just the torque on idle, its normal... I had this happen in mine and another friends c63 on occasions it sort of wobbles forward not very noticeable.
Hi Guy,
I have encountered 3 instances of my vehicle jerking in whilst lightly depressing the throttle in "comfort" mode as i pull out of junctions or down the stretch home. mind you this occurred today after a carwash of which i may have sprayed water into the air scoop.
I have experienced this once after a relatively spirited drive in the wet and after a carwash. I am in the midst of troubleshoot the possibility of this being contributed by a swap in the K&N air filter or perhaps some moisture entering the air vent tray.
In any case i have not had any warning CEL lights pop up and the car runs fine. Just wondering if anyone has experienced a similar case to mine before?
I have encountered 3 instances of my vehicle jerking in whilst lightly depressing the throttle in "comfort" mode as i pull out of junctions or down the stretch home. mind you this occurred today after a carwash of which i may have sprayed water into the air scoop.
I have experienced this once after a relatively spirited drive in the wet and after a carwash. I am in the midst of troubleshoot the possibility of this being contributed by a swap in the K&N air filter or perhaps some moisture entering the air vent tray.
In any case i have not had any warning CEL lights pop up and the car runs fine. Just wondering if anyone has experienced a similar case to mine before?
Thread Starter
Member
Joined: Aug 2012
Posts: 86
Likes: 0
From: Brunei
2014 ML63 AMG, 2018 C63S AMG, AUDI RS6
Thanks again for your feedback as i was thinking my car was a lemon for a second or perhaps i dont know how to drive it.
Member
Joined: Feb 2012
Posts: 131
Likes: 1
C63 ML350
IMO I think its mainly being a dual throttle body it sort of not perfectly in sync at idle with each other??? Also the exhaust I think plays a part with back pressures possibly? Im not an engineer so don't quote me.
Yup... thats one matie. I was kinda chuffed about it but now that you mention it i've had similar experience in my sisters E92 M3 occasionally too. would you say this is a characteristic of V8s? - pardon my ignorance ay -
Thanks again for your feedback as i was thinking my car was a lemon for a second or perhaps i dont know how to drive it.
Thanks again for your feedback as i was thinking my car was a lemon for a second or perhaps i dont know how to drive it.
Thread Starter
Member
Joined: Aug 2012
Posts: 86
Likes: 0
From: Brunei
2014 ML63 AMG, 2018 C63S AMG, AUDI RS6
will consult the service team when i go in for my first run-in service.
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Joined: May 2007
Posts: 1,675
Likes: 11
From: NA
Yes
How many miles are on the car?
The MCT at low speeds is very temperemental...especially taking off in C. Reason I ask mileage, mine was really jerky when I first bought it but settled down a bit after adaptation to my driving habits (I assume).
The MCT at low speeds is very temperemental...especially taking off in C. Reason I ask mileage, mine was really jerky when I first bought it but settled down a bit after adaptation to my driving habits (I assume).
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Thread Starter
Member
Joined: Aug 2012
Posts: 86
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From: Brunei
2014 ML63 AMG, 2018 C63S AMG, AUDI RS6
Hehe... times like this i wish the car was a 6spd MT cos for a minute there i thought i was a lousy *** driver. 
Hi rory, my estate has only clocked 2200kms of which is approximately 1422miles. the odd behavior kind annoyed me so i've been driving it in M full time. how's your car? you done many miles in it yet?
Hi rory, my estate has only clocked 2200kms of which is approximately 1422miles. the odd behavior kind annoyed me so i've been driving it in M full time. how's your car? you done many miles in it yet?
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Joined: Nov 2011
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From: NewYork, N.Y.
2012 CLS 63 Designo PP
Get rid of the k&ns, cel will come on eventually. I describe the feeling as wobble wobble, bc the car hesitates when u step hard on it. Samething happened to my e63 and went back to stock filters and after 5min of driving, 
car was back to normal.
car was back to normal.
Thread Starter
Member
Joined: Aug 2012
Posts: 86
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From: Brunei
2014 ML63 AMG, 2018 C63S AMG, AUDI RS6
Interesting points of interest to note. I've had them filters in the car since I racked up 25miles on delivery till now with no issue. You reckon cel will appear eventually?
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Joined: Feb 2012
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C63 ML350
