the right !! transmission fluid....???????? - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 06-24-2004, 09:59 PM Thread Starter
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the right !! transmission fluid....????????

Hi folks,
a quick one....
on my 1978 450 SLC I was told to use Dexron IID specifically and NOT Dexron III....
checking the net various manufacturer do produce Dexron IID (chevron, gastrol, quaker state, penzoil..).. when I was at the local MB dealer asking him for a Mercedes approved list of transmission fluids he told me to use any Dexron III....

hmmm that is VERY strange to me. I know that in Germany there are complete lists of approved lubricans and transmission fluids / hydrylic fluids not only based on viscosity but by MFG and MFG sub type........
based on the tech spec there are differences between the IID and the III (mainly in the better high temp stability of the IID), making me question the MB garage here.... They said they use Dexron III on ALL Mercedes they service, even 107's... and he said Dexron III is just better in any way to the IID.
So know.... what to do? Go with a local (HUGE!) Mercedes store.... or the recommendation from this German mechanic?
Unfortunately I could not find any list of approved MFG or type of transmission fluids online or even at the MB website......

I feel very uncomfortable just putting any fluid in there...... any one of you has expirence with this?

Thanks Mike
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post #2 of 3 (permalink) Old 06-24-2004, 10:19 PM
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RE: the right !! transmission fluid....????????

Mike, I use DIII on all my cars and it works perfectly and it is to specs. All my cars with possible exception of my 300SD turbo share transmissions with your 450....

Don't be apprehensive...

The major producers still produce it because domestic vehicles are just now starting to use DIII in many situations hehe...Germans have been using it for years.

Kinda like this guy I knew that was blown away that his 2003 Dodge 2500 had heated seats and "leather" LOL...

stop being so mean to less fortunate car companies, Mike hehehe....give them a few decades to catch up to our 450's.


1990 560SEL - W126
-929 nautical blue metallic & 262 navy blue leather
-58,000 KM (36,200 Miles)
-Euro spec Japanese import (KAT edition)
-Complete service history since new
-5,546cc SOHC 16v V8
-10.0:1 compression
-285 hp@5200 rpm, 324 lb/ft@3750 rpm
-2.65 limited slip diff
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post #3 of 3 (permalink) Old 06-25-2004, 05:52 AM Thread Starter
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RE: the right !! transmission fluid....????????

Hi ..
by the chance.. do you have a vacuum diagram for the 450? (1978) I cannot find one on my service manual (strange as it sounds)... could you kindly e-mail me one if you have one?

Thanks, Mike
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