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  #1  
Old 02-01-2006, 01:23 PM
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My next stop on the stupid question hit parade

Hi all,

I have yet another silly question. I am in the process of changing my manual transmission fluid and have 2 questions before I start turning bolts.
1- where do I fill the new fluid (and how much will I need)? I have searched all over this engine and cannot find anything that looks promising.
2- I was told that there is no filter in the manual gearboxes, is this correct?

This happening on my 85 Euro 300D non turbo (W124 with 603 engine). I have checked on the skinner site, but the document that I need is corrupted and Adobe will not open it and a search here turned up nothing that helped me with this car.

PS I finally was able to get a (hopefully) accurate report for my VIN on the Russian site. One of the options on my car was a cyclone air cleaner. What is that? I assume it is the air filter, but what makes it an "option" versus the "standard" air filter?

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Fantom71 aka Dale
Madison, AL

91 190E 2.6 5 speed 220k miles and this car still scoots!
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  #2  
Old 02-01-2006, 01:36 PM
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Location: Albany, OR
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If mercedes manual trannys fill like my old toyotas manual tranny, then you do it much like a differential. There is a fill plug and a drain plug.

1.Take out the fill plug.
2.Take out the drain plug and let the fluid drain into a pan.
3.Put the drain plug back in.
4.Fill the tranny through the fill plug hole untill the fluid starts to leak out.
5.Put the fill plug back in.

This might be off though.

Your owners manual or a Haynes manual will tell you how much fluid and what type of fluid you need.

Andrew
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  #3  
Old 02-01-2006, 01:39 PM
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Quote:
Originally Posted by Biodiesel300TD
Your owners manual or a Haynes manual will tell you how much fluid and what type of fluid you need.
Andrew
I just got a call from MB saying that my ordered owner's manual (I ordered last week) will ship out next week. The Haynes manual I ordered at the same time still has not arrived, even though I paid for expidited shipping.

ARGH
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Fantom71 aka Dale
Madison, AL

91 190E 2.6 5 speed 220k miles and this car still scoots!
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Old 02-01-2006, 01:45 PM
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I'll check my Haynes manual when I get home today, and let you know if someone hasn't already revealed the info.
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'82 300TD ~ Winnie ~ Sold
'77 300D ~ Sold
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  #5  
Old 02-01-2006, 01:55 PM
LarryBible
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You will find the fill plug on the passenger side of the transmission. It will take a 14MM hex key but you don't have much room to get one in there. There is a special tool but it is expensive.

If you want to scrimp on bucks, get a 14MM Allen wrench and cut off a length that will fit in the plug hole with enough sticking out to get a box end wrench onto. That will get it out. ALWAYS take out the fill plug first so that you know that you will be able to refill it after removing the drain plug.

The drain plug is on the bottom and also takes a 14MM hex key.

I have used Mobil One 10W30 in my MB manual transmissions with great success. One of these transmissions has 533,000 miles and still works perfect and has never been apart. The other has 288,000 miles and the same thing.

A couple of quarts should be more than enough.

Good luck,
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Old 02-01-2006, 02:13 PM
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Thanks for the help guys.
To make sure I have it correct, the manual transmission is "like" the rear differential as far as the fluid change goes. Fill plug out first, drain plug, drain well, drain plug back in, fill with the fluid of choice (I am doing the Mobil 1 thing) and reinstall the fill plug.
I guess some kind of pump will be best to fill with since if there is no room for a wrench, there will be no room for a funnel or the can itself.

BTW, how thick is the Mobil 1 during cold mornings? The fluid I have in it now is very thick on the mornings when the temp as gone below 32*F and it is a bear to shift (that is why I am wanting to change this stuff out now).
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91 190E 2.6 5 speed 220k miles and this car still scoots!
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  #7  
Old 02-01-2006, 03:25 PM
LarryBible
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You asked how thick the fluid is in the mornings. That's why you use 10W30 so that it won't be too thick to flow or too thick to shift on cold mornings.

If you look at places like Pep Boys you can find a pump that you can use to pump from an oil or some other jug, or you might even make it work in an oil can.

Good luck,
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Old 02-01-2006, 04:15 PM
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I just bought two quarts of Redline MTL for mine based on some mentions of it here, now all I need is some time. I tryed that side fill bolt, is pretty tight.
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5 speed '85 Peugeot 505 2.5l Turbo Diesel 266,000 mi. (old car, fast for a diesel, had 2 others)
5 speed '01 Jetta V6 (new wifes car, pretty quick)
5 speed '85 Peugeot 505 2.2l Turbo Gas 197,000 mi. (wifes car, faster, sadly gone just short of 200k )
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  #9  
Old 02-01-2006, 05:37 PM
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fantom71

Like Larry said they have cheap plastic pumps at the auto parts store. It screws right to the qt trans oil jug, and has a "barbed" tip on the end of the hose so it wont come adrift when you stick it in the fill hole on the side of the tranny. You dont have much "pumping' room so you gota have the car jacked up high and dont forget the jack stands for safty.

Most folks in the cooler clims use "Red Line MTL", takes just under two qts of what ever you use
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  #10  
Old 02-01-2006, 07:30 PM
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NAPA (and others I'm sure) have a nice little tool called a suction gun. Fill it with fluid, put the clear hose in the fill plug hole and push the handle in to force the fluid in. You can pump the fluid uphill that way.

Len
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  #11  
Old 02-01-2006, 07:55 PM
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Just to make you feel better, I used to teach english and ESL at a high school, and I always told my students that there is no such thing as a stupid question.

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