M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Oil Change

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Old Aug 9, 2007 | 12:49 AM
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Oil Change

Question, has anyone observed the pump apparatus that MB uses to change the oil in their cars and SUV's. I hear they no longer drain the oil from the bottom but pump it out from the dip stick.

If you have seen this pump apparatus do you remember if MB uses a pipe feed down through the dip stick hole or a plastic tube?

I'm getting setup to do my first oil change and just trying to figure out the best method to suck the oil out of the pan.

Thanks.

stew
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Old Aug 9, 2007 | 05:46 PM
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I think the method with pumping the old oil out via the dip stick pipe is the best. This is what they do at all MB garages.
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Old Aug 9, 2007 | 06:16 PM
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Originally Posted by Ivessm
Question, has anyone observed the pump apparatus that MB uses to change the oil in their cars and SUV's. I hear they no longer drain the oil from the bottom but pump it out from the dip stick.

If you have seen this pump apparatus do you remember if MB uses a pipe feed down through the dip stick hole or a plastic tube?

I'm getting setup to do my first oil change and just trying to figure out the best method to suck the oil out of the pan.

Thanks.

stew
This is what I use. It works VERY well.

http://www.thetoolwarehouse.net/shop/MIT-7201.html
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Old Aug 9, 2007 | 10:16 PM
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No longer?

MB has designed for this since the '80s if not the '70s.
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Old Sep 8, 2007 | 09:25 PM
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Originally Posted by DUTCH
This is what I use. It works VERY well.

http://www.thetoolwarehouse.net/shop/MIT-7201.html
Dutch, is the tube diameter of the MITY VAC small enough to fit a 07 e550?I assume all 07s have the same diameter dipsticks but want to confirm before I order one thanks
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Old Sep 9, 2007 | 06:36 AM
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Originally Posted by matt55
Dutch, is the tube diameter of the MITY VAC small enough to fit a 07 e550?I assume all 07s have the same diameter dipsticks but want to confirm before I order one thanks
The MityVac comes with two different tubes to insert in the dipstick tube.

While I can't answer specific to your model, I can tell you that the one I use fits nicely in my G500 (M113), ML320CDI (OM642) and my daughter's KIA Sportage. I would hazard a guess that one of them will fit your E550, too.
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Old Sep 9, 2007 | 07:29 AM
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I have one as well, it's the only way to do it...just a suggestion, I wrapped electrical tape, on the suction tube, at the point in which the dipstick would be fully seated. I also cut a small notch to prevent the extraction tube from aspirating against the oil pan.
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Old Sep 9, 2007 | 08:25 AM
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Originally Posted by StapleGun
I also cut a small notch to prevent the extraction tube from aspirating against the oil pan.
That's a good point. That MityVac will pull a mighty enough vacuum to collapse the main reservoir chamber when it has hot oil in it. Ask me how I know.
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Old Sep 9, 2007 | 01:09 PM
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MityVac

Originally Posted by DUTCH
The MityVac comes with two different tubes to insert in the dipstick tube.

While I can't answer specific to your model, I can tell you that the one I use fits nicely in my G500 (M113), ML320CDI (OM642) and my daughter's KIA Sportage. I would hazard a guess that one of them will fit your E550, too.
I also have had great success with the MityVac. Unfortunately, more new cars a dropping the dipstick for electronic oil readings (e.g. 2008 M3).
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Old Sep 10, 2007 | 04:12 PM
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Saplegun, please explain what you mean by cutting a small notch to prevent the extraction tude from aspirating against the oil pan.Where is the notch?
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Old Sep 10, 2007 | 05:09 PM
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Originally Posted by matt55
Saplegun, please explain what you mean by cutting a small notch to prevent the extraction tube from aspirating against the oil pan.Where is the notch?
He means at the very end of the tube that gets inserted down into the pan through the dipstick. That prevents it from forming a vacuum against the pan surface if it was pressed against it at right angles. I have never experienced this, but its a good idea.
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