ML55 AMG, ML63 AMG (W163, W164) 1999 - 2011 Two Generations

Is there a trans rebuild for '01 ML55, 1st gear hesitates/shudders, changed fluid ...

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Old 12-28-2014, 01:43 PM
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Is there a trans rebuild for '01 ML55, 1st gear hesitates/shudders, changed fluid ...

no help. Now the abs/tract ctr warning light goes on and off. Also when turning at slow speed the traction control will kick in on dry pavement. Any ideas?
Old 12-29-2014, 07:42 PM
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1994 S420 RIP (2/8/13), 06 CLS55, 02 ML55, 94 TT Supra, 89 Maserati 228, 911 Porsche Carerra
Not enough data. Are their lights on the dash? If so which and if one is a check engine light you need to read codes and post them. Does it shift hard from park to drive or reverse? Was the filter and fluid changed? What is the milage on at time of change? Was the proper fluid used? Atf 134 shell or MB dealer brand is required. Was it the proper amount of fluid used for the temp? Was the electronic plate in the trans checked? How about cracks in the plate or a bad solenoid or one not making proper contact. How about the connector that extends outside the transmission. It's round and may be 13 pin. Any fluid in it there are two o rings inside that dry out and the fluid leaks in and starts wicking up to the TCU. These transmissions are the 722.6/Chrysler Nag 1 and are pretty much bulletproof and are used in the supercharged 469hp CLS 55 AMG. You need to answer these questions and we may be able to get a handle on your issue but until it's fixed don't drive it or you're just asking for trouble.
Old 12-30-2014, 08:12 AM
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The shudder/hesitation has been happening for 6 mos or more, slightly worse now.

last mo. the EAS/ABS light goes on/off periodically, and at low speed left turns (at stop sign/parking lot) the traction control will kick in on dry pavement, but that is a new issue. Car has 165,000 miles, changed trans fluid w/ MB fluid 6 mos. ago and used MB dipstick so level should be good. Taking to dealer this week for diagnostic, will check other options you listed. Does not shift hard from park or reverse, just shudder/hesitates at low rpm or slow speeds on highway, kicks down fine and pulls hard with no slippage.

Last edited by drhenrock; 12-30-2014 at 08:15 AM. Reason: forgot something

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