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Discussion Starter #21
Good idea on waiting after you hear air. I got the OEMTOOLS 8.0 Liter 24936 Manual Fluid Extractor from AMZ but I tested it with water first and it actually only holds 7.5 liters! Deceptive marketing if you ask me. The internal pump is taking up some of that 8 liter volume. Think I will return it and get the 10 liter Lumax LX-1314 which I initially had my eyes on.
 

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Discussion Starter #22
When I use my extraction tool I usually move the tube around once it is sucking air to grab any other oil around the pan, sometimes it gets a little bit more.
Do you use manual hand or pneumatic ?
 

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I just changed oil for the first time in the Metris using a Topsider oil suction pump (no mods) because it holds 8 quarts of oil. I indeed got 8 quarts out of the sump, then for kicks, jacked up the passenger rear and produced a few drops more. Easy job, just took a long time as I wanted to get every bit out. I filled with Castrol Edge (MB 229.5 approved on the bottle) 0w-40 weight (because it'll soon be winter here in Wisconsin), luckily on price drop at wallyworld at $22.95 for each 5 gallon jug. I bought the official filter from the dealership which, in my mind, allows for documentation about the oil change. It was labeled Mann on the inside. Lastly, don't drop the oil filler cap like I did. Engine bay is plenty open on top and plenty covered on the bottom.
 

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Do you use manual hand or pneumatic ?
Currently I have the manual pump MityVac unit. It has held up for a couple years but is starting to fall apart. The fittings leak when going in reverse to pump the oil back out, and the pump is starting to fail. I may just build my own next time around using much tougher components (and an electric vacuum/pressure pump.) I have several Vacuum/pressure central locking pumps off the W126 chassis laying around that would work for that probably. :)
 

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When I use my extraction tool I usually move the tube around once it is sucking air to grab any other oil around the pan, sometimes it gets a little bit more. Another good thing is once it sucks air, just let it sit for 10-15 mins, quite a bit more oil will work its way down to the bottom of the pan and you can usually suck out another few cups worth pretty easily.
I gotcha. I thought that tool inserted into the dipstick tube, creating a seal and only used the the DS tube for suction. Thanks for the clarification.
 

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I'm using "Mityvac 7201 Fluid Evacuator Plus". It's awesome and useful.
Actually, oil extractors are some real players when it comes to the fact of getting the used oil out. I’ve been using one for a few months and found it really awesome. Now I don’t have to go crawling down the car and get my dress dirty. I can access the oil extractor under the hood easily. If you are thinking of spending some money to make the job comfortable, I’ll suggest buying an oil extractor instead of going to a garage regularly. If you buy a good one, you can use it for a long time, around 2-3 years. Make sure that you are buying one that comes with long enough tubes. Also, don’t forget about the capacity and portability. If you have any questions, you can ask me. I’ll try to help.
Before making the final decision, you should read some reviews and top lists about it. I have found the below review useful. I hope it will help you.
Click Here to read the review.

Thanks.
 

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Most newer MB's have the dipstick go to the very bottom of the pan, found this out on my brother's E400 when doing its oil change. I'd assume the Metris does too but my tube from my extractor is small enough to just send down to the bottom of the pan anyways. Can't do that on the e400 because the dipstick tube is pretty skinny and takes a tight turn on its way down into the very bottom of the pan.
 
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