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E320 2000
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84 Posts
Discussion Starter #1
:)Hi all

My problem is I had seen transmissiom oil in coolant over flow tank im my w210 e320 What are all possabilities of this and solution . by the way this happened two time in one week.

For ur information ,first time I replaced the radiator after few days coming back



Thanks
 

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93 SL500, 95 SL320, 96 S320, 98 S500, 2002 E320 4Matic Wagon & A little 91 5.0 FORD Mustang
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8,063 Posts
Jaa..

I would worry about coolant in the transmission than transmission fluid in the coolant.

Since you replaced the radiator, you need to flush out all the fluid from the transmission, or permanent damage may occur. Verify your radiator is good. Several stickies are on the subject.

Martin
 

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E320/E250 Bluetec Ford F350 6.7l
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36,680 Posts
I hope you did the ATF flush the first time?
Is the second time the real leak, or just some traces of ATF that you can notice?
Last winter I bought a truck that had the same radiator failure and even I flushed everything and did cooling system 3 times with distillate water, still 1/2 year later traces of ATF shows in coolant. I skim them with stripe of paper from the reservoir.
 

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E320 2000
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84 Posts
Discussion Starter #4
Marin , i want to tell you that i found this problem after l feel some triggle in transm and not shifting well.

Jajtek, sorry what is ATF ?
 

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93 SL500, 95 SL320, 96 S320, 98 S500, 2002 E320 4Matic Wagon & A little 91 5.0 FORD Mustang
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8,063 Posts
Jaa..

Do go see a specialist. ATF is the technical term for "Automatic Transmission Fluid"

I hope you did what Kajtek said!

Martin
 

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E320 2000
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84 Posts
Discussion Starter #8
hi all
I solved mine. It was from small engine cooler semi radiator. We can conclode that if transmission oil mixed with coolant water, you should be replace both ( radiator & engine cooler). this is tecnician advice. Because benz has two coolers.
 
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