My bad, I lost two important footages in this video, one is shifting through "P-R-N-D" several times while the vehicle stationary and the engine idling after filled all of the ATF and waiting the temp rising. Another is to replace the crush washer of the ATF pan's drain plug. I have reuploaded a new edited video at kzread.info/dash/bejne/f2qFs5h-nJCtYc4.html 很抱歉！我忘记了两个重要的素材，没有加进去。一个是在灌进全部变速箱油后，等待升温的过程中要换挡几次；另一个是要更换放油螺丝的密封铜垫片。我已重新编辑并上传至：kzread.info/dash/bejne/f2qFs5h-nJCtYc4.html

The best DYI vidoe on KZread. Pure brilliance getting straight to the point.. NO talking NO annoying music; as if while working those videos had the background track

No BS music, just straight to the job at hand. Great video, thank you!

Just did my 2012 GLK350 transmission oil change . Enjoy the whole procedure.

Very helpful video one day I planing to change my oil soon

Really love how you put so much attention to detail. Even how to Jack the car, sounds silly and easy but if you don’t know how to do it you can ruin your jack points, paint or something else.

Great detail once again senior leigh, keep it up..

Another excellent video Senior Leigh! You made a difficult job looked so easy. You have a pretty good automotive knowledge and DIY experience with tools. I can only wish I could do some of the regular maintenance on my 2014 E350 and 2015 GL450 i.e. oil change and spark plugs. Thanks and keep posting those very informative DIY auto maintenance services.

Wow!! I was waiting for this one. Thanks for the video!!

Senior Leigh, thank you!

another fantastic video! I need to do the same on my c350. Thanks again for the great tutorial and enjoyable watch. The best!

The beauty of silence!!!!!

Excellent content and editing. Thank you!

Another Excellent video.

The best tutorials on KZread!!!! I wish you were my neighbor and friend. Cheers!

@LeighSr

3 жыл бұрын

Thanks for your compliment ❤️

Excellent work and thank you for also providing the proper procedure instructions!

工法很細膩，拍的很專業👍

Thank you very much excellent video

Excellent Job!!! Great organization skills as well. Subscribed to your channel as well.

Have follow your video for a while. You make great DIY content! The clothes you got when going under car show you can do proper work 👍

Top quality video. I am shocked!

Fantastic.

Please use W212 /E350 / Mercedes so you can get more views. Your channel should have much more views and you are an excellent content creator. Please keep up your good work.

Great video. They make this way too difficult!

这个好

Thank you sir, as always very well done. I've done this procedure several times and never thought to drill the housing to ease access to the torque converter plug. Others prefer to unscrew the return line and flush the trannie by changing two liters at the time. How hard was it to drill the housing? I wonder if there is any detriment on doing that. Thoughts?

@LeighSr

4 жыл бұрын

Thank you and I just followed the MB WIS to guide me on the project. Before I drilled the housing I tried many methods, but not working. Because there have 4 liters of ATF in the TC, so I won't leave it. That's pretty easy to drill the housing, that's made by aluminum and soft. That won't detriment, just cosmetic issue but we can't see it until next ATF replacement 6 or 7 years later. Also, there is a rubber plug to cover it.

Very well done, as usual. May I ask the brand/model of these red screw drivers with a fat black handle and where you bought them? Thank you in advance and congrats on yet another great video.

@LeighSr

4 жыл бұрын

Maxwell Smart thank you and that’s Husky I bought it as a set from Home Depot many years ago.

@maxagent86

4 жыл бұрын

Senior Leigh, thank you!

这视频做的太棒了👍。想知道您用钻头开孔这一做法，这是一种换油捷径吧？您现在所做的就是我一直想要做的，现在车有了，其它的还得赚钱慢慢配😄。哈哈，我昨天刚买了一个2L的喷壶，是Scotts那个牌子的。本来想用来洗车，可发现水量不行，现在知道它未开的用途了。

@LeighSr

4 жыл бұрын

谢谢您的夸奖！开孔是不得已的办法，之前我试过其它不破坏的方法，都不成功。这是这个壳体的设计失误，我不知道dealer换油是怎么做的，可能根本不换液力变扭器的油，也许也是钻孔，因为普通人不会到那里去检查那个位置。

Great video..i assume is the same process for a 2015 E250 right? Is Pentosin oil compatible with the mb fluid left in the transmission? Thanks

@LeighSr

4 жыл бұрын

Roberto72 thank you, and yes they’re same process. Just bear in mind the model of Pentosin must be MB approval 236.15. More details plz visit www.leighsr.com/atf-change-7229

一如既往的好！这个难度很大👍，稍有不慎就会弄得满身是油😄，想不明白为什厂商会设计这样确认油量。

@LeighSr

4 жыл бұрын

Daniel C 奔驰的设计有时候确实反人类😂

@jiefengchen1697

4 жыл бұрын

@@LeighSr BMW用的ZF变速箱也是这样的设计，要求车在发动的时候，40度上下的油温再确认油位。😄

@LeighSr

4 жыл бұрын

Daniel C 看来德国人脑子都不太灵光😄

@jiefengchen1697

4 жыл бұрын

@@LeighSr 😄

我有碰到过4S店换变速箱油的时候，收费开单9L，但是实际就放6L，液力变扭器的油偷掉不换的。

@LeighSr

3 жыл бұрын

cvcaccessories 无良商家

Love your videos and clean garage. One of the only videos I've seen including a torque converter drain. My question is how much oil do you put in before the first start with the torque converter drained ? 5L start the motor for a minute and add another 2L ?? Then repeat ?

@LeighSr

4 жыл бұрын

Thank you, and I filled the 10 liters ATF at one time instead of 6 liters + 4 liters what listed on WIS because there is no explanation the reason with the two times fill in. More detail and the documents of WIS at www.leighsr.com/atf-change-7229

@michaelg6415

4 жыл бұрын

@@LeighSr thank you so much for that and the link.

@michaelg6415

4 жыл бұрын

BTW. I found it interesting you needed to enlarge the round access hole on your 2013. My 2010 has an oval hole with oval rubber plug, so they made it more difficult?? Don't don't like that design philosophy.... The long end of a regular allen key or a long allen socket is the only thing that fit straight in nicely.

@LeighSr

4 жыл бұрын

@@michaelg6415 Yes, I consider that's a mistake of design. They just need let the access hole fit the drain plug, but they fall to align them.

@michaelg6415

4 жыл бұрын

@@LeighSr Job done thankyou ! I found after adding 6L or so there was a lot of backflow or so at 7.5-8L when I stopped pumping so I started the engine for about 10sec just to get some oil in the torque converter and the backflow stopped. Repeated with another 1.5L, moved through the gears, then added the rest. When I started the engine after removing the fill tube clean oil flowed out initally then had a several seconds of dirtyish oil before it was clean again so there was maybe 1/3 of a litre of old oil still in there or the transfer case. I was concerned about over filling before the oil had moved into the torque converter. Took just over 9L and I used an Icarsoft scanner to monitor the temp. Luckily it was close to 30C outside already so it only took about 15 minutes to come up to temp.

Do all torque converters have the drain plug? I have a 2014 ML350 V6 gas 4 matic. I turned the torque converter 2 rotations and I never saw a drain screw.

@LeighSr

2 жыл бұрын

Yes, all 722.9 has the torque converter drain screw.

Quick question. Your undercarriage guards, did your most rearward one get damaged? Mines did and I'm about to just completely remove it. Ran over some debris an 18wheeler dropped on the highway. Now it looks like a shotgun blew a hole through it. Wondering if I should replace it or just leave it off. None of my other cars had this.

@LeighSr

2 жыл бұрын

The bottom compartment has two purposes, buffering the shock and flat the airflow. If it damaged to not working for that, you should replace it.

@dct124

2 жыл бұрын

@@LeighSr looking at it again, it's the driver side panel. Not sure what to call it but it has that fabric feel to it. I just used some tape to close up the opening.

李 sir 您好 請問 Mercedes Benz Differential oil 是否針對 AMG 才需要換嗎? 我兩年前問 Mercedes 車廠、他們回答我不是 AMG車無需要換油

@LeighSr

3 жыл бұрын

您好！ 是的，只有AMG的差速器才需要换油，因为是限滑差速器LSD，会有机械磨损。而非AMG车型都是普通的行星齿轮差速器，磨损极少，终身不需要更换差速器油。

@LeighSr

3 жыл бұрын

所以养一台AMG会更辛苦一些。

@eddielam9750

3 жыл бұрын

@@LeighSr 謝謝😄

Any idea if there is a different procedure for the 4Matics?

@LeighSr

3 жыл бұрын

Aaron J. Courtney no difference, I have a 4matic W221, that’s same thing as rear wheel drive W212.

@AaronJCourtney

3 жыл бұрын

@@LeighSr thanks! Appreciate it! Fantastic production quality BTW 💪

When draining the transmission oil, do I need to warm up the car to a certain degree (warm engine)? please enlighten :)

@LeighSr

3 жыл бұрын

There is no requirement to warm up on WIS. You might see the docs of WIS on www.leighsr.com/atf-change-7229.

@alvinw6777

3 жыл бұрын

@@LeighSr Thanks for the kind response. I also heard the aux oil pump is not suggested to be removed for draining oil of torque converter, it's said it leads to leaking issue of it. Wanna know how you look at it?

@LeighSr

3 жыл бұрын

@@alvinw6777 If you do not drain the ATF of TC, there would remain 2 liters of old ATF that can not be changed. In my experience, that is a very low risk to damage the sealing ring of the aux pump. In case, you might prepare some oil-resistant O ring. I can not find the part number of the aux pump O ring, like amzn.to/3xpS4wB

Hi老李,請問16:28與ATF 7415 連接的軟管要選什麼樣的size?

@LeighSr

4 жыл бұрын

3/8"

@rhtzeng3764

4 жыл бұрын

@@LeighSr 謝謝

老李你好我是台灣人請問一下我的車是W212.E63，前陣子去換變速箱油店家只給我加4.2公升而已這樣對嗎？店家給我的答案是加太多油溫太高的話會滿出來又有汽泡產生，真的是這樣嗎？然後換完變速箱油真的不需要用工成版電腦做歸零動作嗎？

@LeighSr

2 жыл бұрын

您好！ 店家可能沒有給您更換torque convertor 的油，所以只能灌進4.2公升。具體多少是合適的量，要接上電腦根據溫度決定，具體請參照視頻內的步驟。

@user-qg6oq7hj3w

2 жыл бұрын

@@LeighSr 謝謝老李兄的回復

Two days ago , I serviced my w211 722.9 transmission , i drained the torque converter and the pan , WIS suggests to pump 10 L , which I did , I guess my mistake was that I did not start the car after 7L I just kept pumping , so I over pressurised the system and just before I finished pumping a hissing sound came and oil spilled from somewhere , I was unable to determine the source of leak . I completed the procedure and on 45 C oil temperature I drained the excessive oil . I started the car and it ran perfectly , however today I noticed an oil stain under the car , could it be residual oil from the one that got out when I over pumped it ? And when you over pressurise the system where would the oil likely leak from ? The breather ?

@LeighSr

3 жыл бұрын

The step of pumping in the ATF on the WIS is starting after pumping 6 liters, and then wait the transmission cooling down, pump the other 4 liters again. But in the summer of Southern California, that would be a longtime waiting, maybe overnight. So I decided to pumping in all of 10 liters just like you did. The leaking never occurred. The only possible of leaking may be at the gasket of ATF bottom pan. The air vent is on the top of the transmission, the ATF won’t leak out from there. I suggest you check the gasket carefully. If you find the leaking form the gasket, you have to drain out the ATF, from bottom drain and re-install the bottom pan again, and proceed pump in the ATF and correct the level.

@hamzayagan

3 жыл бұрын

@@LeighSr thank you sir

@hamzayagan

3 жыл бұрын

The leak was from the pan , I think I over pressurised the pump , I was pumping really fast and that blew my pan gasket , I replaced gasket and pan screws again , seems fine now no more leaks , your video helped a lot , I did it exactly as you did following WIS as well , thx for your helpful videos sir , mission accomplished 😁

@LeighSr

3 жыл бұрын

@@hamzayagan happy to hear you fixed it. In my experience, the gasket is very easy to remove when installing the pan back. I used to experienced that cause leaking.

@lilysong9666

9 ай бұрын

Maybe not enough or over the transmission oil ! Driving the next whole day , no problem. But the 2nd day early morning, driving trembling , till today, not figure out the problems. Even with the car scanner, not wrong code.

Hi, first time here, loved this video!! How can we get that adapter you used to connect the pump to the transmission pan? Thank you!

@LeighSr

2 жыл бұрын

I m happy you liked my video. And more details on leighsr.com

请问我的变速箱是722.906，需要换几升油？要放掉液力变矩器的油吗？

@LeighSr

2 жыл бұрын

变速器内要9升，您需要准备10升。液力变扭器里存着30%的变速箱油，目前绝大部分自动挡，只有奔驰提供了液力变扭器的放油可能，建议更换。 详细步骤和WIS，请移步：zh.leighsr.com/atf-change-7229

@morganlao

2 жыл бұрын

@@LeighSr 好的，多谢指教。另外这里汽修店都提供循环机换油，您觉得这种方法好吗？可以换干净吗？

@morganlao

2 жыл бұрын

@@LeighSr 还有个问题请教，检查液位前需要挂几次挡吗？有印象在哪里看到说这样油才会到液力变矩器里

我有點不明白就是你拆走不鏽鋼嘴後等油流出來再封螺栓． 1我怎樣才知不會流走過多變速箱油呢? 2我的車是2012 C class 基本上跟你車子大致上一樣我在60000km到車行換了一次有人說下次不用再換有人說12 萬要再換請問要再換嗎?因為都幾貴我想自己換

@LeighSr

4 жыл бұрын

您的问题都可以在这里得到答案：www.leighsr.com/atf-change-7229

@user-mf1pd3or5j

Жыл бұрын

我猜內部還有一個柱體 當油高過柱體後自然會溢出

太棒了👏，想发邮件给你确定我的变速箱型号是772.9X?

@LeighSr

4 жыл бұрын

Pierre 您好！您可以直接到这个网站用VIN number查出变速箱的型号：www.vindecoderz.com

@petersun5788

4 жыл бұрын

Senior Leigh 谢谢，查到了772.96

@LeighSr

4 жыл бұрын

@@petersun5788 那您用7升油就够了，节省两升😄

@eric10312415

3 жыл бұрын

@@LeighSr 根据这个vin码查询网址，请问为什么我输入VIN码，无法正常显示，我是北京奔驰GLK260 2014款车系，期待您的回复。

@LeighSr

3 жыл бұрын

@@eric10312415 还真没遇到过这种情况，VIN码有17位，容易输错，您再试试看。