Replacing Mercedes S550 Ball Joint Boot of Front Lower Rear Control Arm 奔驰S550/w221前悬挂下后控制臂球头防尘套更换
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Welcome to leighsr.com to discuss.
Mercedes does not provide the repair method if the ball joint boot was broken. The only way they provide is by replacing the control arm. That's not only expensive away than just replacing the boot. Also need car lift to tight the bushing of control arm at "ready to drive" position, and alignment, etc... After much research, I decided only to replace the ball joint boot and found a boot that might fit the ball joint.
这是奔驰不提供的维修方式，但比奔驰提供的方式便宜了至少500美元（零件费和四轮定位的费用，未包含人工费），而且不需要举升机，维修起来方便了很多，适合DIY的朋友们操作。如果有疑问，欢迎讨论。
The Ball Joint Boot: amzn.to/2UjiX3m and ebay.to/2vjMgJX
Ball Joint Separator Tool Kit: amzn.to/38QFVY1
Husky Tool Chest: ebay.to/2NPTETu
Dewalt 20v Impact Wrench: ebay.to/2TQu0lE
Arcan 3-Ton Quick Rise Aluminum Floor Jack: amzn.to/2YwPNzu
BIG RED T43004 Torin Aluminum Jack Stands: amzn.to/3cW9C8r
![How To Replace Your Control Arm And Ball Joint [Mercedes Benz S500 W220]](http://i.ytimg.com/vi/V6LKJj6-6qY/mqdefault.jpg)
Your car repair videos on the w221 are the best I have ever seen, thank you so much.
Just liked and subscribed. You are a very good communicator! TH-cam needs folks like you.
Thank you bro❤️, I'll keep going.
now this is how you make a tutorial video!👌👌👌👌👌
Thank you for your clear, concise, and informative video. The best I've found on TH-cam.
You are outstanding in what you do and how you do your presentation, i plan to follow your video and do the exact same thing to replace my boot on my 2010 Mercedes S550, i have ordered all the tools you use, once again thank you sure make it look easy.
I'm happy you like the video, and thanks for your compliment!
The precision. Nice vid.
Another awesome video. .I enjoyed it. The Editing is very good. very Detailed!!
Great video! Thanks for posting.
Legendary... U know ur stuff. Smart. Definitely got a new subscriber. 💯
I did it today ! I save few €... Thank you so much from France
Thank you so much Sir for making this video, I was changing the front suspension on my s 550 and ruined the upper ball joint boot. I thought I would have to replace the entire upper ball joint, which looks very difficult as I would have to remove the upper control arm.
Thanks and if just the ball joint boot is broken, you might only replace the boot. That's can save you time and money.
You are absolutely awesome! i just liked and subscribed too. I am having to change the control arms on my s550 for a squeaking noise and the dealership saying they cant do alignment till its fixed. I took to 2 different dealerships and they are saying front lower control arms need to be changed and one of them is even quoting to change the front thrust arm bushing as well. I asked the other dealership master tech what is the front lower control arm and he showed me and then i asked what is the front thrust arm bushing and he told me that control and thrust arm is the same and the bushing is in the whole control arm assembly that they had quoted to replace! I was talking to a cousin overseas and he has same car and he told me that local techs there just replace the bushings and they can be found there but everyone that i talked to told me that there is no such thing here!
randastic I’m very happy you like it!❤️,hope this video could help you to repair your Mercedes. And I’m preparing the next two videos for fixing the squeak in the cabin, one is at the passenger seat and one is in the driver side door.
My comment would be the same with all other guys and I would like to add that you are the best and willing spend $$$ to purchase the tools to do the job!!! more power to you. You are the best on TH-cam as far as MB repairman I am concern. Thank you very much. I would I live near you I would love to be your student. Be safe and be happy..
That's so many words of compliment❤️ ，Thank you❤️！ That's encourage me to make more quality videos.
Very helpful video.
Another excellent video. You are amazing! There was only one thing that I couldn't see in the video which was the torque specifications for the two nuts. Could you please reply as a comment or in the summary?
I wish to live near you so I could learn from you!
You are absolutely correct it's rather difficult since we don't have hydraulic jack and proper tools like a half sized wrench. It's nice of you to response so quickly. Just wondering what's part of the world you are living in. I am in southern California, Corona, California to be precisely. Please keep in touch. Be safe and be happy and take care.!
LIKE A BOSS!
If the ball joint is still in good condition, and only the boot is cracked, then @Senior Leigh's method is definitely a good fix and is recommended. This means, of course, checking the car every year. Thanks to Mr. Leigh for pointing out the specific part numbers, apparently at FCPEuro; I buy a lot of stuff from there as well.
I have this car's immediate predecessor, the W220, and it appears that there was a design change for the W221, specifically that the ball joint appears now to be integral to the lower control arm instead of a press-fit into the steering knuckle (the previous design). This is similar to the thrust control arms, where the ball joints are integrated and not replaceable without changing out the entire arm. I wonder why M-B made that design change and what the benefit, if any, is to the handling of the car.
Thank you, Mr. Leigh, for showing a much less expensive way to maintain this part of the suspension. I will be checking out your other videos as well.
I appreciate your compliments！As my thought MB maybe going to improve the workshop efficiency for fixing the ball joint damage because most of the MB owners won't check the chassis until the noise loud, that happened when the ball joint was done. To replace the ball joint, you have to remove the control arm and replace the ball joint, then install the control arm, alignment, etc. Why just replace the whole control arm? Save time and labor, also help MB sell more parts, all benefit is on MB whatever manufactory, supplier, and dealer, except the users.
I have a question. My MB dealer recommended replacing the whole control arm in its totality.
I suggested doing what Senior has done here. They said people have done it but keep going back.
The symptom on my W221 is whenever I go over say a bump or going slowly over a ditch or hole, the creaking is very audible. I assume the boot and bushings are the issue. 11:09
Senior Leigh, first I like to thank you for posting this helpful video. I would like to know what else can you DIY on your W221 and if possible can you post them when you work on the vehicle because I have a 2008 W221 too. Thanks again
Thank you, and yes I have posted most of DIY on my W221, refer to my channel. I also building a website to detail the videos on leighsr.com
FYI when you get the replacement boot use the original green circle clip for the smaller opening - the smaller circle clip that comes with the replacement boot (red) is too small - I think the video tries to show this but it is not clear
Yes, you are right. The red clamp is too small (tight), so I replaced it with the original green one.
Where did you buy the Star Diagnostic tool? I’ll like to purchase one but I’m the USA. Thank you very much for your time on reading this message.
没想到奔驰的球头套可以单独更换，动手能力真强，工具收纳超👍。
主要是不甘心高成本地解决这个小问题
@@LeighSr 😄球头没问题的时候，这样更换性价比真的超高。
@@jiefengchen1697 是啊，经常趴车底下看，所以发现的及时。你看我拆掉旧防尘套的时候，搬动球节还很紧，看来没问题。
Great video! There was a clamp like tool you used at the 2:44 mark to remove the strut from the control arm. I didn't see that part listed as one of the tools. Can you please share where you purchased it from?
Just excellent, I am getting ready to do this same procedure, and in researching it I found yur site - thank you! One question please, can you post the two torque settings? I could not read them in the video - again, thanks!
Thank you and here is the information: if your vehicle is W221.08/09/18/19 4Matic, Front air strut to control arm 110 Nm (82 ft-lb); The control arm to stub axle Stage 1: 50 Nm (37 ft-lb), stage 2: 90 degree, just like the video showed.
@@LeighSr Thanks!
Nice work. I noticed the Husky tool box. Are you in Canada?
Paul Santos I’m happy you like it. I’m in California, US.
👍🏼
That's a great tool for removal of the ball joint! Where can I get one? :)
any chance to show how to DIY replace the Engine mount and transmission mount ?
Sr. Leigh, your video is amazing, as always. Was your car experiencing any symptom of problems before you changed the boot, or were you just doing preventibly because of the tear? I'm trying to narrow down a slight steering wheel shaking in my 2008 CL550 at 60mph, and starting to think it might be a suspension problem.
Thank you. The damaged boot was found by a regular checking when maintenance. If you feel any symptoms that must a ball joint wear happening, that must replace entire control arm.
For the shaking steering wheel, you might checking the wheels balance first.
Since I asked this question, I did find a torn bushing on the left forward lower control arm. I have done numerous things wheel related to rule out balance/alignment/rims issues. After seeing the torn bushing, I'm now pretty sure that is the problem. I'll watch you video again carefully today.
Great video, anyone know the torque settings on the 2 suspension bolts?
Excellent Video. Does anyone knows the inner dimensions (d_small, d_big) of the ball joint rubber? and what is the right torque x Nm?
Great video and seriously helpfully!! Quick question; do i need to release the air or can i go ahead and just release the airstrout bolt in order to remove ,btw dont have the computer,thanks
Thanks for your compliment. And yes, you have to release the air pressure of the strut, if you are going to disconnect it from the control arm which connects to it. You might release the air pressure from the air feeding hose on the top of the strut, carefully unscrew the connecting screw with seal. Check leak after you reconnect the screw of the air feeding hose as well.
@@LeighSr Yes this worked for me on my 2008 S550
非常感謝老李師傅分享視頻，詳細又好專業，太棒了！昨天我也換了車前左邊lower control arm的防尘套。最後我把壓力從0.0bar調回到本來8.0 bar. 因沒視頻沒看到這個步驟， 想問您這個步驟是正確嗎？再來，我用手指來測量輪胎和fender之間的高度，這輪子稍微比其他輪子還要高一些。不知道這是正常嗎？對了，Airmatic會自動調整4個輪子的高度嗎？謝謝您！
謝謝您的誇獎🙏
安裝結束後，不需要人工調整空氣彈簧的壓力，車輛會自動調整。如果高度不同，建議用MB Star調整高度到一致。我一般是用卷尺量輪眉到地面的高度。
@@LeighSr 謝謝您的答覆。我現在才了解自動調整功能是指彈簧壓力，跟高度無關。我會用一支木材，畫上固定的高度標記，然後使用Star Diagnosis來調整高度到一致。請確認一下我的了解是正確嗎？🙏
@John Teoh 是的，您告訴它要什麼高度，它會自己確定其它的事，比如需要多少壓力。另外，高度有兩種情況，一個是停車時的高度，一個是行駛期間的高度，都可以設定。
@@LeighSr 謝謝您，感激不盡。保重老李師傅！
@@LeighSr 剛測量了輪眉到地面的高度， 都差不多。我有點擔心調整高度到一致是否會影響到原來輪子平衡(wheel alignment). 請問您有什麼意見嗎？
hi there this is defetly a great video but when i click in the linck it shows me a part for a porche and i have a 2012 CL63 but the part on your video looks the same any help please
Thanks and yes the part is for Porsche and also fit the Mercedes. CL has a same chassis with S class, so I consider that would fit your car too.
Hello buddy, the link to that ball joint separator is the same link for ball joint boot .have you got by any chance the link for that separator ? .thanks !
Sorry, my bad, here is the separator link: amzn.to/38QFVY1
@@LeighSr thank you very much!
BTW Have you ever replacing engine and transmission mounts on S550 W221? We would love to learn how that could be done as well LOL! Thanks
Not yet by myself, those were replaced under the warranty period. That's some difficult cause the engine has to support while replacing the mounts.
@@LeighSr I replaced both motor mounts in my 2008 me/be S550 in my driveway, even though my driver side mount was leaking only. All you need is to put the car on a ramp and a floor jack. Definitely not for beginners. It took me about 2 hours from start to finish.
Hello,
Could you please let me know how I can release the air pressure in suspension strut without Star?
Many thanks.
There’s a feeling line on the top of the strut, you might unscrew the holding screw to release the air pressure. Just be aware test the leaking after you install it.
I also have a old car w221model It need to fix several parts. How to buy car parts online? Ebay? Could you share the site link? Korea hard to buy detail parts as bolt also. . .
I used to bought some parts from eBay. Could we discuss on the forum of the website leighsr.com ?
Hello what is the size opening on the ball joint separator you're using?
That’s universal separator, I listed the parts and the tools under the video.
There is something "fishy" about this car. the vehicle is badged as S550, and clearly has a gas engine. However, there is a "blue" badge on the side, suggesting that the vehicle is a diesel, which it clearly isn't. That would make it S350.
The BleuEfficiency badge on the fender is just MBZ's marketing to convey that the company is aware of minumizing pollutant as much as possible from their modern cars. It is different from its Bluetec badging that suspecting you're referring to. The Bluetec on the other hand is a diesel engine designation. Hope this clarify things up.
李老师请问，哪里能买到这些皮套？
您好！
视频下面的说明里有购买链接。
OMG😳 So I need a computer to change the ball joint on this car? Now I know why the last owner sold the car😔
Actually, you might release the air pressure on the top of the strut without an MB Star computer. More discuss on www.leighsr.com/forum/garage
老李師傅 - 請問您是否有Partronic sensors的問題，有時候在紅綠燈停車sensors會自動然響起來。我車是近兩三年偶爾會發生。聽說原因是現代車sensors電波干擾我們比較舊的車。您有什麼意見嗎？
我以前在国内的W204会有这种状况，那时候是最新型号，也许是监控过多，信号干扰。现在美国的W221和W212没有发现类似的状况。
@@LeighSr 知道了。謝謝老李師傅，保重啊！
where can you purchase the rubber boots? what's size are they. thank you!
I listed some linkage under the video, you might see the purchase link.
@@LeighSr thank you very for your quick response
Take card and be safe
Good video! How much did the scanner with xentry cost you if you don’t mind me asking?
Thanks. And I bought the Xentry here: MB star SD connect C4: ebay.to/2NlYWWO
@@LeighSr Thanks! Do you know if Xentry can fix the volatile on the side view mirror puddle lights? I’m currently getting 8v instead of 12v and the lights won’t turn on.
@@mrkngkhan mostly the Xentry may find the error code of electronic problems. If only 8v out from 12v, there must be a fault.
@@LeighSr Is Xentry easy to work with? I found an original C3 scanner with laptop for $375, is that a good price? Sorry for all the questions and thank you!
@@mrkngkhan yes, the Xentry is easy to use.
I never have used the C3, so I cannot talk about it.
For the good price must match the good quality. All unofficial Xentry’ hardware is cloned and software is hacked. The seller need earn money at low price, so I can’t guarantee they’ll provide high quality product for low price.
So I suggest to seeking a high quality Xentry priority than the price. That’s only worth a onetime charge for a dealer repair.
How did this fix hold up? Pretty well still?
Yes, pretty well since it had been fixed two years ago.
Sounds good! Was wondering if you knew if it was possible to do this without star? That’s the only tool I’m missing for this.
@@paulkhim8012 yes, you can do it without Star. You might release the air pressure on the top of the strut. Just remember after you install back the air line, check the air leaking with soap water.
Thanks for the info! Still waiting on the locking nuts. Do you know if it’s possible to get the boot replaced without disconnecting the strut? I’ll be dropping by your paypal soon!
@@paulkhim8012 thank you for advance!
If you released the pressure from the top of the strut, you might support the control arm by a jack and disconnect the ball joint from the wheel knuckle. But there is a risk that the strut still has some downward pressure, that may cause slipping from the supporting jack when you replace the ball joint boot. So in my opinion, I won’t recommend that.
You are very professional , I love the video. Where did you get the Mercedes communicator device and where can i get it from. also what was the torque specs for the bolts?
I appreciate you love my video work. I bought the diagnostic computer from eBay: ebay.to/2Dh87SI I also found it on Amazon: amzn.to/2DfEmSA. For more detail of the work, I'll build a website to detail everything. Also after you have the diagnostic computer, you'd get more detail of the repairing of a Mercedes.
@@LeighSr yes can you do a video showing how to use he scanner? i would appreciate that very much.
@@RealStraightTruthBroadcast Did you mean the guide of using diagnostic computer?
@@LeighSr yes
@@RealStraightTruthBroadcast Thank you for remind, I'll do it.
Do I need to release the pressure if I’m changing the whole arm and what is the reason for releasing the air ?
Yes, you have to release the pressure, if you don’t the strut will difficult to remove also dangerous.
@@LeighSr I have an 07 S550 Is that hydraulic or is it air pressure by chance? And also what tool is that you’re using around the 2:18 mark of this video to remove the ball joint so easily 😂
@@HobowithaFesti For the struts, if the car equipped ABC( active body control) system, that's hydraulic, otherwise, that's air strut.
I think you are talking about the Ball Joint Separator Tool Kit: amzn.to/38QFVY1, I listed the parts and the tools under the video.
@@LeighSr ok great thank you so much, so if it’s hydraulic there’s no need to release pressure then correct?
@@HobowithaFesti I am not sure. I can pull out the guides of WIS if you provide the VIN.
I have a 2011 s550 4 matic do you know the part numbers for the lower control arm you changed? And what else I would need bushings ect for this job
I was not changing the control arm, just the boot of ball joint. The boot has not a part number. If you need the control arm part number, I need your VIN number to check the part number.
WDDNG8GB7BA392999 Is my vin I’m trying to change both lower control arms left/right complete I’m looking for all the bolts, bushings, nuts needed I’ve had trouble finding the right ones my car is a 4matic if you can help me with this I would really appreciate it I already ordered the wrong parts twice
@@jd5935 I’m out of town two days, I’ll check the parts numbers once I back.
Thanks
@@jd5935 Lower front control arm: 2213303711(left)/ 2213303811 (Right)
Spring (lower rear) control arm: 2213307707 (left) / 2213307807 (right)
I'd just change the tie rod end if it's a ford.
Sounds good, the principle are the same.