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  #1  
Old 04-15-2006, 08:23 PM
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Join Date: Jan 2003
Location: Fort Gratiot, MI
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Old age or problem?

'94 C220 with 45,800 mi, all services performed, new wiring harness and a lot of litle things that make this a really good driver, but one thing doesn't seem right. When cold the upshifts are really jerky. As the car warms up the shifts get pretty good. Not as smooth as a newer model, but pretty close. This has been going on for a long time. I had a '96 E320 that acted the same over the last year or so. Seems like it may have started after the 30,000 mi fluid change. Thoughts?

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  #2  
Old 04-16-2006, 11:16 AM
69 mercedes 220d
 
Join Date: Oct 2005
Location: Bozeman, Montana
Posts: 417
I reply since you've as yet received none. I am not familiar with modern MB automatics. I must say though if the onset of problems immediately followed a transmission fluid change two things to make sure of (obvious things, but I don't mean it condescendingly):
1) right type of ATF
2) after filling have you checked & rechecked (after driving) ATF level?
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Old 04-16-2006, 11:45 AM
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Join Date: Jan 2003
Location: Fort Gratiot, MI
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I've trusted the dealer in both cases to put in the correct fluid. Although both cars were low milage cars and enough time elapsed until a fluid change at the 30,00o mile mark probably meant a new and improved version was used.
No it would have been too simple to have thought of checking the level. I will do that in the tomorrow. Although the car just spent a week at the dealer, and inspections were supposed to be a part of the visit. I would have thought a through check of the transmission fluid would have been a quick few bucks if something was found.
Thanks for the reply.
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  #4  
Old 04-16-2006, 06:17 PM
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Join Date: Apr 2000
Location: Falls Church, VA
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We had a '95 C220 and it did the same thing. I read somewhere that there is a temperature control that holds the trans in the lower gears longer to increase engine RPM and speed warm-up.
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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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  #5  
Old 04-16-2006, 07:35 PM
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Join Date: Feb 2005
Location: Vancouver BC Canada
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Quote:
Originally Posted by ctaylor738
We had a '95 C220 and it did the same thing. I read somewhere that there is a temperature control that holds the trans in the lower gears longer to increase engine RPM and speed warm-up.
I was told the same thing. My car does the exact same thing, and I also own a 94 C220. Its done the same throughout my time owning it. I was told by the dealer, that this car doesn't require a long morning warm-up.....instead, just start it up and start driving and the Car..... it will drive rough and higher RPM shift points until it is warmed up... Although if I choose to burn gas that costs me more then its equivlant in Dairy Milk for a nice morning warm up, the car drive's fine. So for you're next cold start, warm it up for a few minutes and see if it makes a difference. If it doesn't, then i'd start to wonder what's wrong with it...

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