Hesitation at Low RPM
MBWorld Fanatic!
Joined: Nov 2004
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2005 E55
Hyper bro just because the car says 3 or 2 on the dash being in s or c node dosnt mean its not down shifting.
If your in s and click the shifter to say 3 it will hold 3 gear driving around and only shift to 4th at redline in 3rd.
Try this and be careful,put it in s 3 and do 15 mph and click the - paddel on the wheel,it will go to first and not second because you were in second already.
In c mode you put a crap load of strain on the torque converter starting in second.
If your in s and click the shifter to say 3 it will hold 3 gear driving around and only shift to 4th at redline in 3rd.
Try this and be careful,put it in s 3 and do 15 mph and click the - paddel on the wheel,it will go to first and not second because you were in second already.
In c mode you put a crap load of strain on the torque converter starting in second.
Thread Starter
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From: West
E55 AMG
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E55 AMG, C32 AMG
I've read a few threads on this but I'm still not sure I have a handle on what could be possibly causing this.
Whenever starting from a dig or rolling at low speed, <15 mph, and I stomp on the gas, there is a slight hesitation at around 1500-1700 RPM, just for a second or so, enough to throw my head forward, then the car quickly takes off again as if nothing happened.
Any one had this issue and correctly diagnosed the problem? Thanks for the help!
Whenever starting from a dig or rolling at low speed, <15 mph, and I stomp on the gas, there is a slight hesitation at around 1500-1700 RPM, just for a second or so, enough to throw my head forward, then the car quickly takes off again as if nothing happened.
Any one had this issue and correctly diagnosed the problem? Thanks for the help!
To not have hesitation, try tapping the throttle real quick from a stop just to make the ECU engage the supercharger and carry on till the next stop. This time it wont hesitate if you throttle it from a dig or roll until your next stop when it declutches the charger again. This was for the S mode. In C mode, it declutches it below 19 mph too if you are just cruising, in which case there would be engagement hesitation. I think in M mode, if you tap it and engage and do some spirited driving, the ECU delays the disengagement till it comes back to one of the S/C modes.
Thread Starter
MBWorld Fanatic!
Joined: Jan 2011
Posts: 1,239
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From: West
E55 AMG
Thanks for all the helpful posts!! 
From listening to people in and out of this thread I think I have a better understanding of how S/C engagement on this vehicle works, and how to go about learning to control it.
Cheers!
From listening to people in and out of this thread I think I have a better understanding of how S/C engagement on this vehicle works, and how to go about learning to control it.
Cheers!
Member
Joined: Sep 2010
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From: Los Angeles
2005 E55 AMG
Auto downshifting in M mode should only happen when the engine approaches stall speed in that gear, otherwise the gear should be held... trailing throttle in second gear as you decrease speed does sound pretty in a tunnel
The holding of gear on upshift varies across year models and EGS tunes. For example my OEM 06 would hit limiter in manual, and auto upshift in S at pretty much power peak. Now with Kleemann EGS "mod" (for 2.82 diff and sharper shifts), even in manual I cannot hit the limiter, which is not necesarily a bad thing, as hitting the limiter in first cannot be good for anything. Auto upshift in S is fair enough. C ? who ever uses C?
I was going to say the title is a contradiction in terms for this car but figured it was either car shifting to 1st from second or ESP.
The holding of gear on upshift varies across year models and EGS tunes. For example my OEM 06 would hit limiter in manual, and auto upshift in S at pretty much power peak. Now with Kleemann EGS "mod" (for 2.82 diff and sharper shifts), even in manual I cannot hit the limiter, which is not necesarily a bad thing, as hitting the limiter in first cannot be good for anything. Auto upshift in S is fair enough. C ? who ever uses C?
I was going to say the title is a contradiction in terms for this car but figured it was either car shifting to 1st from second or ESP.
How do you think I pull in at home on late nights without waking the neighbors....
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AMG
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2014E350
Hesitation at acceleration during low speed. 2014E350
[QUOTE=jmb614;4480896]I've read a few threads on this but I'm still not sure I have a handle on what could be possibly causing this.
Whenever starting from a dig or rolling at low speed,
Whenever starting from a dig or rolling at low speed,
