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is this oil or trans fluid dipstick tube ?

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SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

is this oil or trans fluid dipstick tube ?

 
Old 02-05-2019, 08:22 PM
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2004 SL500 r230
is this oil or trans fluid dipstick tube ?

this is at back of my engine, is this engine oil or trans fluid dipstick tube?
if this is engine oil, where is trans fluid dipstick? and vice versa.

thanks.

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Old 02-05-2019, 08:29 PM
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2003 SL500
Transmission. There is no oil dipstick. Oil is checked on the dash using the buttons on the steering wheel.
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Old 02-05-2019, 08:34 PM
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on this site, many people say they do their oil change by using a fluid extractor? through what?
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Old 02-05-2019, 11:47 PM
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2011 SL550
OIL DIPSTICK

I HAVE A 2011 SL550. It does not have the option to check oil on the instrument panel. It DOES have an oil dipstick. I change oil using an extractor through the dip stick. I do not have a diostick for trans fluid. There are different options for slís with or without dipstick. When you pull the dipstick you should be able to easily tell if itís oil or Tran fluid
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Old 02-06-2019, 01:11 AM
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Originally Posted by ray0214 View Post
When you pull the dipstick you should be able to easily tell if itís oil or Tran fluid
problem is that "dipstick" tube do not contain a dipstick, just a cap.
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Old 02-06-2019, 07:16 AM
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I followed the tube in the back on mine with a flashlight to the transmission. I've read somewhere that there is a boss cast into the front of the bock on 5 liter engine to install an oil dipstick, but they did not come installed from the factory. I can only speak for an SL500 with the 5 liter engine as that's what my car is. According to the ops sig, he has an SL500, so you check oil on the dashboard.
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Old 02-06-2019, 01:54 PM
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2011 SL550
Tranny dipstick

Interesting... my SL550 has oil dipstick but no transmission diostick. Guess the mb gurus just want to keep people confused
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Old 02-06-2019, 03:01 PM
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I can see having a transmission tube with no dipstick because you have to get transmission fluid IN somehow. Unless there is a leak, there is not reason to ever to check tranny fluid. If you have a leak, get it fixed.. then add fluid through the tube. There has to be a transmission tube somewhere.
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Old 02-06-2019, 03:36 PM
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Originally Posted by Blazeracer View Post
There has to be a transmission tube somewhere.
Unfortunately, most if not all of the 722.9 7-speed transmissions do not have a dipstick tube. It's filled by pressure pumping from underneath.
No way to check it without lifting the car while level, warming to 45 degrees C, then testing for over-flow from the fill tube. Also uses the new low-viscosity energy-saving blue fluid, not the old school red fluid.

Most 5 speed 722.6 transmissions have the dipstick tube, which is helpful.
I have both in my stable, and have been through the fluid change process for both.

Last edited by kbob999; 02-07-2019 at 01:26 PM. Reason: Get temp right
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Old 02-06-2019, 03:39 PM
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Tran dip stick

Thatís what my owners manual says. There is no dipstick nor fill tube to check or fill transmission. If it leaks fix it. Tran fluid apparently is only put in transmission when fluid and filter are changed. Iím not aware of any way there is to check or add transmission fluid, at least in a 2011 sl550. Unless thereís a leak, manual says no need to check fluid. If there is a leak, get it to shop
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Old 02-06-2019, 03:51 PM
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Learn something new everyday.. Especially being a DIY guy and a Mercedes owner.. LOL
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Old 02-07-2019, 08:18 AM
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Bellwilliam, you have the M113 5l engine and that is the engine oil tube. You will extract the old oil through that tube. The transmission oil needs to be pumped through the drain hole like kbob999 indicated, although I think the temperature is 45C. THere is no filler tube on the 7 speed transmission(722.9).
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Old 02-07-2019, 08:49 AM
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All my cars are blown! '11 E350 Diesel P2 Sport; '03 SL55 AMG Pano
^^^its actually 45 C. Or 90 C with external cooler.
Should have read the instructions. Memory is unreliable 😎
Attached Files
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Old 02-07-2019, 11:24 AM
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Below is a photo showing the locations of the oil vs. transmission dip tubes on the M112/M113 engine. All R230 engines have an oil dip tube. The M112/M113 will not have a dipstick, just a cap. You can buy a shop-use dipstick that yu do not leave in place. I also hear that there is a dipstick fro the R129 SL500 that can be left in. The M272/M273 engines have a leave-in dipstick as standard equipment. The 5-speed (722.6) transmissions do have a diptube, and you fill there as well as measure with a shop-use dipstick. The 7-speed (722.9) has no diptube. It is filled and measured underneath, through the drain plug on the pan. You fill by pumping in fluid, and measure the level by observing the flow rate of fluid from the drain at 113F - a steady flow is overfilled (you start there) and then when it transitions to a slow drip, it's then full.

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Old 02-07-2019, 12:20 PM
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Well now see what I get for listening to people on other forums. I stand corrected. My engine cover is off at the moment and sure as poop, there are two tubes as shown above. The transmission one is hidden under the engine cover.
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Old 06-13-2019, 02:47 AM
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2003 SL500
I have a question somewhat related to this topic. I bought transmission dipstick p/n 140 589 15 21 00 as directed in WIS for 722.6 transmission (2003 SL 500). It is fairly long - about 120 cm.. When I insert it into transmission dipstick tube it only partially goes in leaving almost 50 cm outside. Business end comes out covered in oil. Any ideas what am I doing wrong?
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Old 06-13-2019, 07:19 AM
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I just did my own oil change last weekend. Fist I spent $60 on an oil extractor and the tube wouldnít go all the way down. Itís hitting something a few inches from the bottom. Option B, and IMO is way better. Jack the car up and take off the 8 screws that secure the large bottom cover in the center. Pull the plug on the oil pan and drain the oil. There is no question whether or not all the oil came out.
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Old 06-13-2019, 07:21 AM
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Originally Posted by alk247 View Post
I have a question somewhat related to this topic. I bought transmission dipstick p/n 140 589 15 21 00 as directed in WIS for 722.6 transmission (2003 SL 500). It is fairly long - about 120 cm.. When I insert it into transmission dipstick tube it only partially goes in leaving almost 50 cm outside. Business end comes out covered in oil. Any ideas what am I doing wrong?

Are you putting it in the correct tube? The taller one is oil, the shorter one is trans.
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Old 06-13-2019, 10:34 AM
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Originally Posted by Blazeracer View Post
Are you putting it in the correct tube? The taller one is oil, the shorter one is trans.
Yes. I saw the picture in this thread. But just in case I tried both tubes. As for draining the fluid, I am going to go from the bottom and replace filter, gasket and connector. I also plan on flushing the fluid per WIS (14 liters of fluid required, since I have only 12 liters, I am going to limit it to two 3 liter dumps instead of three). My concern is to make sure that fluid level is correct after flushing.
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Old 06-14-2019, 09:30 PM
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The shop dipstick for the transmission does in fact leave a good bit outside the tube. You check the fluid with the engine running, in park, after shifting through all gears.
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Old 06-15-2019, 03:13 AM
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Originally Posted by Rudeney View Post
The shop dipstick for the transmission does in fact leave a good bit outside the tube. You check the fluid with the engine running, in park, after shifting through all gears.
Will I be able to see the dipstick sticking out of the tube with transmission pan dropped?
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Old 06-15-2019, 11:17 AM
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Yes. In the photo below (that I borrowed from a benzworld post), it shows where the diptube comes out. The white plastic pice is not part of the dip tube - that's the end of the home made dipstick the forum member was using:

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Old 06-16-2019, 04:25 AM
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Thanks.
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Old 06-24-2019, 03:03 AM
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Confirmed - transmission dipstick goes all the way in, good 25 inches are still sticking out of the tube.
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