e55 transmission or engine stutter at low rpms..
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Joined: Jul 2011
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e55 amg
e55 transmission or engine stutter at low rpms..
Hi, I have been having slight issues with my 55, as when I am accelerating at low speeds, the engine or tranny seems to stutter and shake. It will not do this at higher rpm's but only down low/accelerating slow..and it goes away when I speed up. Could this be that the gears in the tranny are not shifting correctly? I am lost as to what this could be. I do have an aftermarket warranty but I would like to know if you guys had any ideas as what it could be before I bring her in. The car has 92k miles and no aftermarket mods. It just recently started doing this. Also I noticed the other day that the coolant was almost all gone and I had to fill it up...don't know if this has anything to do with it but any help would be greatly appreciated.
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Joined: Mar 2010
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From: San Diego
F-250
Its hard to tell based on your description, but these cars have a clutch engaged supercharger, and when leaving a stop slowly, they can do some strange things. Some describe it as bucking, some describe it like you just did.
I have a feeling it may be normal operation if you are not used to the feel of this car. When my car was stock, it did it when I started very slow from a stop (and held a low RPM), or when starting an making a turn. Under any load, it didn't do it.
After re-reading your post, the fact that the issue is new, and there is some coolant missing, take it in.
I have a feeling it may be normal operation if you are not used to the feel of this car. When my car was stock, it did it when I started very slow from a stop (and held a low RPM), or when starting an making a turn. Under any load, it didn't do it.
After re-reading your post, the fact that the issue is new, and there is some coolant missing, take it in.
MBWorld Fanatic!
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From: Southern Cali (Ontario)
... happened to me last December.
coolant in the transmission.
vibration from rear, uneven rpms and exhaust sound changed slightly a lower note.
The dealer replaced, radiator, and trans and torque converter. If you don't have warranty, I would start by taking it to a good transmission shop.
MBWorld Fanatic!
Joined: Dec 2008
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From: Socal, Chino
E55 2006 / CLS55 / S450 / Jag XKR2011
You are correct.
... happened to me last December.
coolant in the transmission.
vibration from rear, uneven rpms and exhaust sound changed slightly a lower note.
The dealer replaced, radiator, and trans and torque converter. If you don't have warranty, I would start by taking it to a good transmission shop.
... happened to me last December.
coolant in the transmission.
vibration from rear, uneven rpms and exhaust sound changed slightly a lower note.
The dealer replaced, radiator, and trans and torque converter. If you don't have warranty, I would start by taking it to a good transmission shop.
Oh man.... this is bad news....... hopefully its not the case...... this is a $5k bill.
