SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: rear end twitch

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Old Apr 22, 2007 | 07:28 PM
  #1  
C43BUCK's Avatar
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rear end twitch

05 sl55 started to kick sideways when hitting a bump with either of the rear wheels...thot it was alignment...had that done..went away for a few weeks, now back....what tha heck is causing this? very annoying
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Old Apr 23, 2007 | 01:52 AM
  #2  
tommytom11's Avatar
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From: La, Ca
SL 55 Renntech, ML 63
i would like to know this too
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Old Apr 23, 2007 | 03:06 AM
  #3  
CynCarvin32's Avatar
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Mercedes Benz
I spent some time this week in my SL55 and I must say the rear shocks just dont seem valved correctly. The car bottoms out easily at only moderate speed and it has a fairly unnerving tendency to jump and and down when in sport mode.

Like you said the car tends to twitch and buck sideways. I just think its part of the whole ABC system since I had my alignment check about 2k miles ago and it was put back to just exactly as I wanted. The car bucks around just the same as before.

There is something to be said for normal non computer controlled suspensions. These high tech systems just are not always the best solution. It works pretty well but you can catch it off guard and make the car buck around if you drive quickly.
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Old Apr 23, 2007 | 09:15 AM
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JackStraw's Avatar
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2005 SL600, 2011 Honda Odyssey Touring Elite
How fast are you going when this happens? Does it happen more when you are accelerating?
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Old Apr 24, 2007 | 09:40 PM
  #5  
C43BUCK's Avatar
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Originally Posted by JackStraw
How fast are you going when this happens? Does it happen more when you are accelerating?
driving any speed...not necessarily accelerating....45-50mph will occur....worse going into slight curve....something just not right

FTR, i noticed the same thing right after installing some of Speedybenzs camber adjustment arms on my C43...????
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Old Apr 27, 2007 | 10:01 PM
  #6  
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update FTR

I should have said the twitch n my c43 went away AFTER installing Speedybenz' arms on my lowered c43...sorry Speedy
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Old Apr 27, 2007 | 11:00 PM
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SL55AMG, Ferrari 348, Ferrari Testarossa, Ferrari F40, Ferrari Mondial t, Ducati 916, Indycar
Mine twitches as well. Its a factor of the active suspension. Nothing to worry about.
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Old Apr 29, 2007 | 08:57 AM
  #8  
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Twitch

its just annoying as hell...theres gotta b an adjustment for this...Turn off ABC?
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