Mercedes B class w245 2006 2005 2007 transmission control unit tcu TCM removal repair replacement
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- Опубликовано: 10 мар 2021
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The Mercedes is this vehicle and a Petrol version 2005.
Possible fault codes may be 0714 0722 0657 c121 0793 0896
Please note that if you are going to carry out this job, make a note of the linkage to which the gear stick connects to, and its a piece that looks like a U and needs to go back in the correct place.
#mercedes #mercedesbclass #gearbox 
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Great video. TCU on mine 2007 B200 Turbo was rebuilt by transmissions shop. I paid 2000 CAD. About 20000Km later so far so good.
Very nice!
Z3E5kj
hi, just bought a b class with this fault, drove fine until it got hot, thought the price was too good to be true! ah well £200 quid and your brilliant video will sort it, thankyou so much
That was very good value, glad to know the video will help.
Thanks to your video, I have purchased the ctu part(2600RMB, or AUD650) and Penrite CVT fluid (AUD 72(4L) × 2) and tried to replace the ctu of my Mercedes B180 2010 in my garage and succeeded. Thanks again！
Brilliant and you are very welcome 🙏
did you repair or bought a new Transmission ECU in Australia? mine is fried and Im in melbourne, Im thinking of doing this myself
Just had this problem last week...after cooling down the engine...managed to drive safely for 200km back home without any problem...otw to the workshop today...the problem appeared again...just lucky that the workshop is only 15km away....don't know what would the bill be but thanks for the video...at least I have an insight of the problem
its not going to be cheap, but yes if it gives you an idea then at least you know what to expect. all the best, hope they repair it for you :)
I have been waiting 3 years for this video, thank you! I paid $1200 for a shop to fix this problem, but the fix only lasted a year, now it is happening again. I will do this myself now. Please let us know any updates.
Yes Ill keep updates if anything happens, thank you for watching.
Thank you for the video! I also shoot a video about Meprcedes - and like you, I fixed my variator and shot a video in 3 parts
well done and thank you, for watching my video..
Hello, the advice to let the gear shifter in each position for some minutes does not apply for cvt. It's only in conventional disc packs automatic transmissions and the reason for that is that we need to make sure that packs are flooded in oil. Congrats for your vid. It helps a lot.😊
Thanks for the tip! Glad the video helped.
Thanks for video $2500 was the price I paid to fix it
Am not surprised, but the lucky thing is that is good when it can be repaired.
useful video thanks so much sir.
You welcome 🙏
Great video thank you
Glad it was helpful!
Thanks for this wonderful job please did you add cvt oil through the same channel as the red transmission fluid, I have the same code with the same car please am confuse in that area
At minute 18 I show the place where to put the oil, which is a dipstick hole for measuring transmission fluid level. It’s covered with a little plastic cap that has a pin that needs to be broken to remove the cover. The transmission fluid is not the red type for this model, it’s clear looks like normal engine oil.
At minute 18.48 I also show the oil am using for the transmission.
I have a question sir:
Before starting the disassembly process..Does the gearshift lever have to be in the (P) position, or (N) position?
Thanks again sir.
I put it in P. The important thing is that you get the connecting link back in place.
Hi… Thank you for the video and the steps. It is very useful. I followed all the steps, but something strange happened!! The sound comes out from the transmission only when the car has been left for a while and is cold and is clear when turning right or left!!! After the engine heats up, the sound disappears!! What is the reason for? how can fix it? Thx
Did you put enough oil ?
Hola compre una b200 CDI 2009 con un problema en la caja automática , solo funciona en el primer cambio y reversa. Ya cambié el fluido y filtro y el problema sigue igual. Quisiera saber si me podes orientar que hacer, muchas gracias!!!! Desde ARGENTINA.
Hi well first plug and obd 2 computer and see if there are any fault codes, but at the moment it sound like the transmission has a mechanical fault rather than a electrical fault.. but you need to see if there are fault codes.
hello, when I disassembled the hydrolic block, I noticed that one of the two antennas is cracked, do you think it happened during disassembly?
🤔 it’s possible but it would have to be bent a bit during removal to crack it. However I seem to remember seeing crack antennas in other models as a result of heat. So depends if your car is fairly low mileage shouldn’t have this issue.
@@DaringBeefcake thanks
Hi are all the black solenoids the same part number and can they go in any location apart from the location for the green one .
Hi there to be honest I never dismantled the valve bode, however usually if they are the same color then they are the same rating, but you could double check with giving Mercedes parts a call.
my car w169 class A 2007 getting 2734 and 0841 error, some time gear slip however from last week new error on dashboard - Transmission -visit workshop. total Milage 91k. is it require to replace the transmission ? or only replace transmission oil will work. I checked with one garage they have given me 2nd had transmission cost as 2300 Pound.
To be honest it sounds like the gearbox may need replacement, you can try oil change as a last option but gear slipping can be a sign of bigger problems.
Does anyone know the name and address of place that repairs B200
Transmission module in Montreal?
Thanks
Hope someone can help you am in the UK
Can you please advice where I can get the part from ? Are you based in the Uk ? I was quoted a ridiculous price for fixing the issue. Do you know somewhere that fix the part? Many thanks
Hi there, as describe in the video I sent the part to a company called AC Tronics in the UK, they repaired the part and sent it back to me once repaired, provided the part is reparable. I believe if you were buying the part only, then that would be very expensive and possible available from Mercedes only, then of course it needs to be fitted. I did once had a company get the job carried out on a c class and i think the cost was around £2500.
@@DaringBeefcake Good evening. Thank you so much for replying back and giving me the company name. I got quote from 5 different specialist gearbox in London their prices is from £1200 to £1500! the car worth only 3k and not worth to spend that much on it, the best thing is to open it myself and send it to the company you've used to repair it then put it back. May I ask how much you were charged ? Many thanks
@@specificspecial8755 Hi you are very welcome, it was somewhere around the £300 pound figure, it took 3 or so days to come back to me.
Hello, thank you so much for this video. I'm having the same issue with a 2006 w245. I was able to find a company that will repair the TCU for about 300€. I have a very important concern, can the car be moved once the tcu is removed? My mechanic says he can't let my car in one of his workshop elevators for a week and he's not willing to do it with the car on 'stands'. Your answer will be greatly appreciated.
Hi, well as far as I remember if you place the shift gear knob to neutral before removing the tcu then you should be able to move the car. Just remember that when refitting the tcu the little connecting rod has to be in the same neutral position.
@@DaringBeefcake thank you so much for your quick reply. I'm sorry for being so late on mine. People like you make this community extremely important and useful. I'll be sure to provide some feedback once my TCU is fixed.
@@afonsosn6895 We would all love and appreciate your feedback very much so we can carry on helping each other. all the best wishes, happy to help :)
Yes - can be moved with this solution:
www.merzedes.eu/tv/watch.php?vid=a7ea98f52
Hi,
Thank you. Great videos.
I have the 2008 B170 (245) with an intermittent hunting problem at intersections when hot.
Do you have any suggestions? Also, do you know where the fuel filter is on this vehicle?
The throttle body can cause hunting issues as well as some sort of air leak. Is the engine management light on ? May be you need to check for fault codes. Am afraid I am not sure where the fuel filter might be.
Great video, Does anyone know which years this transmission used and in which models? John
i had issues with the a class w169 and the b class w245.. not sure which other models may use this transmission..
It is true that for the Mercedes b classe 2012/2013 petrol 122hp you need to take out the engine to change the clutch?
As far as am aware there is a B class that does need the engine to be dropped to change the clutch. Due to the way it’s been fitted. I don’t thing it needs to completely come out but room is needed.
@@DaringBeefcake i read a lot about it and they sqy for the a class and b class3 need to get out for the clutch or chain timing
Hello please I have the same problem mercedes b class w245 automatic transmission. The same fault. When we go to mercedes they told us first you should repair the ecu of gearbox but if they open the gearbox and they found dust from metals then need to replace all the gearbox. It's right?? So I went the car to friend expert mercedes garage and he told me that he found dusk mettalts inside the oil so I should need to replace the gearbox. the car have 215000 km it's to much that I need to replace the gearbox..????
To be honest it sounds like the problem you have is mechanical if there are metal bits inside the transmission oil pan. In which case you do need to replace the whole transmission am afraid. To be fair the car has a lot of km.
Hi there. I have the same story with the same car. If I understood correctly, the transmission control unit can be repaired in this case? Initially, I thought that the only way is to change the unit.
Hi there, yes if the fault code or codes are similar or the same then this unit can be sent for repair. If there are no hard shift bangs with the gearbox then its very likely to be the tcu thats causing the issue. Mine is ok and running well now, I've been testing it all week with slow drives and no issues have come back.
@@DaringBeefcake what could be the issue if car not starting after reconnecting back.. not showing pnrd on dashboard
@@sarahmoketla122 there is a part in the tcu that slides sideways when you fit the tcu back the slider that looks like a U needs to go into the linkage that comes from the gearbox stick in the car, if the slider U is not in the correct place the car ECU might detect the car is in drive or reverse and won’t let the car start. How ever if you made sure the U part of the slider was fitted in the correct place and your car is correctly in park, then either something wrong with the battery or starter or even the tcu is not recognising the car is in park, you need to check for fault codes.
And mine same symptoms and esp on display and check engine
Hatte die Batterie jedoch vorher nicht abgesteckt wie sie, könnte es daran liegen?
Bitte um Hilfe
gibt es noch andere fehlercodes, wurden alle fehlercodes gelöscht
Hi mate, compliments u are very professional, I have a problem when I change gears (R.N,D,P) the car gives a shock, not very strong but I feel it. even when changing gear from second to third it gives a slight shock. Do u have any idea about this problem?
It sound like you may have a problem with the valve body, which is in charge of regulation the oil pressure when the transmission changes gear. have you seen if there are any fault codes or not yet.. but it does sound like a valve body solenoids issue.
Hi Sir, I got a similiar problem with my 2006 W245/ B-170. It's like a mis-fire like while driving. Even it's idel at neutral pointion, it might has this mis-fire like syndrom. The fault code reads 7232. Any comments for my issue? Thanks very much! @@DaringBeefcake
@@geostory the car in the video doesn’t have a misfire. So I think your problem is different. If you have a misfire that’s what you need to check. If it’s petrol car, check spark plugs. May be change them if they haven’t been changed in a long time.
where can I purchase the TCU please my b class is consuming alot of fuel since only engaging in a few gears
A new tcu, you can buy from audi, otherwise a second hand tcu will need to be programed to the car by a specialist..
Great video thanks! Can I use any cheap OBDII reader from Amazon to see the TCU fault codes on a W245? And do you know if the car stores the faults when the dash warning is not showing and the car is not in limp mode? Someone suggested the car erases it's memory every time you switch it on. (It only has this problem intermittently at present, and so far it always comes out of limp mode after stopping/restarting.)
No it must be able to rear gearbox codes. Most cheap OBD2s only read engine codes. So u need to look for one that can do the gearbox too.
Hello please i have questions. I have same problem, but only when is warm motor. If i start cold motor and drive, gearbox gearing properly. After motor get cca 70 C it jump to fail mode. On diagnostic i got same, intermediate speed sensor shaft, no signál. Was it same in your case? Or your gearbox was constantly in fail mod? Thanks for answer Jan.
Hi yes I had a similar problem, the gearbox was ok when cold but then got hot and limp mode.
👍
Hey Hi DarlingBeefCake, great vid... but how did this happen in the first place?
Well to be honest, I sold the car as I buy and sell cars, and the lady who bought it called me a few days later and said a message come up on the display and the gearbox seems to be in limp mode, so I had a look and gave all her money back and took the car back in case it was something more serious than the tcu. So this happen from one day to the next with no precious symptoms, but to be fair i have by experience a few cars that suffer with issues with the tcu including audi or even some c class models..
I like your video. My A150 experienced same problem "Transmission Visit Workshop" on screen and I am looking for cost effective way to fix it. Any advise? Thanks
Well to be honest the only way to fix an electronic issue would as in the video, if you can do it, you’ll save money, but if not you’ll have to pay some extra, but having the tcu repaired is way cheaper than buying a new one. You should check the fault codes and see what they are..
Hi did you get your car repaired? I am experiencing this same problem on my A150 what’s the best way to fix this pls
Thank you for your vedio, I have B-class 2007 and I have the same issue, how much it would cost me to fix it? By the way I live in London
can believe so much time has gone past since this question sorry. I hope you got it fixed by now.
Aftethe repair did you use car as usual? Like doing long drive to far dsance like 3-4 hours by high speed? And how is the situation at the moment have you had any issues
The car has been good so far, no issues, thanks.
@@DaringBeefcake thanks for respond did had long jpurney like 5 or 6 hours etc? With other pessenger and some stuff in the boots
@@Dedears Hi to be honest no I didn't have a long journey like that, usually its just me in the car..
Hello i only get Error code P0793 when the engine is cold. if i drive from cold start the code will come on. if i let engine warm up it drives lovely all day no problems. maybe just needs an oil change ? 2006 95,000k
Hmmm 🧐 to be honest error codes that come and go like that usually point to a faulty control unit, mechanical faults are more likely related to oil. But that’s just my opinion, you could try an oil change, I have been wrong before 🤣 so one never knows.
Hallo aus Deutschland,
Mir wurde die Getriebesteuergerät repariert und anschließend wieder zurück eingebaut, nun gibt er aber komische kratzende Geräusche sobald man ein Gang einlegt und etwas Gas gibt? Können sie mir bitte einen Tipp geben woran das liegen könnte.
Bin für ihre Hilfe sehr dankbar
Gruß
Hallo, trat das Problem nach dem Austausch des Moduls auf? Es könnte sein, dass es nicht genug Öl gibt, haben sie 5 Liter eingefüllt? oder irgendwas stimmt mit dem getriebe nicht
@@DaringBeefcake hi danke für deine Antwort..leider nach dem 4 Einbau immer noch das selbe Problem, wir vermuten auch das es wegen zu wenig oil ist wird heute gekauft und eingefüllt. Ich werde das Ergebnis hier berichten.
Danke Gruß aus Augsburg
@@DaringBeefcake
Hi nochmal wie versprochen meine Rückmeldung, nach ordentlich oil auffüllen und Probefahrt nichts mehr zu hören alles Top in Ordnung
Es lag am zu wenig oil!
Danke trotzdem für deine Antwort
Gruß aus Augsburg
@@ek8001 bin froh, dass du es sortiert hast.
@@T.F.D77 Danke
Apakah jika tautan tdk terhubung apakah mobil jadi tdk bisa di hidupkan...sy terlanjur memasangnya dan lupa melihat ulang tautan nya apakah terhubung atau tidak...apakah panel indikator tetap menunjukan posisi P walaupun tautan tdk terhubung dengan benar
If the link in the transmission part is in the wrong position such as in D or R the car won’t start, however if the hook that goes into the link it’s in the P position it will show as being in P, but still won’t start as the car is in gear.
@@DaringBeefcake very thanks for your share master...
Very2 sorry for your time
@@habibizhafranzhafran8343 am happy to help, don’t worry, I hope your car is going to be ok and you can start using it.
@@DaringBeefcake mobil saya telah normal kembali code B4 dan B5 telah hilang.Tapi ada timbul code baru Temperature transmission Y3/9 B2 apakah anda pernah mengalaminya.
Thanks for attention Master
How much to fix the part
They charged me around £300 from what I remember.
i have this same fault, can you tell me the cost of having the unit repaired please .
I dont know I did it my self, I guess they would charge £1500 possibly depending on the garages hourly rate..
@@DaringBeefcake i mean the tcu repair not the job.
@@anthonyg4671 It was around £300
@@DaringBeefcake thank you
@@DaringBeefcake kan i know the company nämen?
👏🏻👏🏻👏🏻👏🏻 thanks
You're welcome!
I have same this car and same this problem
So plast can you help me ?
Yes sure How can I help ?
@@DaringBeefcake I need the TCU am from Africa I need help
لقيتي شي حل ؟
@@rachidelhamdaoui4258 غيار الجيبربوكس
greetings, I did everything like you, I just didn't delete the errors and my problem is that the prnd on the display disappeared, the message esp visit workshop appeared, run flat inurraptive and check engine, I connected some kind of diagnostics, it says that there is no can unit implacable
No can communication
And car go forward in N position
Hi , first question, who fixed your transmission control unit ? Can you trust they fixed it properly ? If not then the communication with the OBD computer may not work.
Second if you put the transmission in neutral and it goes forwards, that means the linkage in the valve body is in the wrong place. The linkage in the valve body looks like a U and has to fit into the linkage coming from the transmission, do you know what am talking about ?
I hooked the U to the right place in the gearbox. maybe the electronics are not working again because everything worked for a few seconds and then he mixed the gears. there is also a lot of metal dust in the oil
if I disconnect the cable from the gearbox electronics, it only shows the gearbox error, but not the others
Hello & thank you for the nice Video. Do you think thats terrible to Continue to Drive? Thanks
Well if the fault is the same you can drive but it will be very slow. Try to get it fixed when you can. I don’t think it will cause further damage as is an electrical problem rather than mechanical.
@@DaringBeefcake thank you very much
you welcome@@msedurs2736
My a200 turbo has it right now
oh I hope you can get it fixed..
@@DaringBeefcake yh
Mengapa sangat sulit melepaskannya setelah semua baut saya lepas...
Apakah karna saya melakaukannya pada tuas P...
Ataukah...karna O ring yg tersangkut.harap tanggapannya master .
To be honest it should be hard because it’s heavy it just comes out. However y had the same issue with another car and it turns out I miss one bolt. So have a good check again and see if all the bolts are out.
@@DaringBeefcake thanks master...
I try
@@DaringBeefcake thank you very very much...I not seeing 3 bolt,and now i catch it ,thanks for teaching...
Master😀
Hehe you welcome @@habibizhafranzhafran8343
How mach litter ?
from memory i think 5 liters, i think i mentioned that somewhere in the video :)
Hello, i lost the oring, have you for me maybe OE number?
Sorry I don’t, that may be a dealers only part.
좋은 교보재다
감사합니다
Hi
Please i have 2 questions;
My faul code are stated as follows..
PO794
0793
0896
2723
2732
Is this fault codes thesame with yours PO793?
And is CTU different from CVT?
Because, after diagnosis i was told that the problem is CVT.
(Meanwhile the info i have on my datch screen is, "TRANSMISSION, CONSULT SERVICE")
Do you mean TCU, not sure what a CTU is ?. The fault codes I had were fault codes may be 0714 0722 0657 c121 0793 0896. The TCU is the brains of the transmission and the CVT is the mechanical part of the transmission.
@@DaringBeefcake yes, my mistake. I meant TCU.
Thanks
@@uchecool1003 well in any case sounds like you have a TCU problem, when you switch the car off and then on does is it ok ? And then after few minutes you get the visit shop message ?
@@DaringBeefcake yes.
That's exactly how it's happening.
What should I do in this situation?
@@uchecool1003 well it sounds to me like you have a TCU problem. So technically you would have to do what’s been done in the video. Remove it and send it for repair. Or go to another garage and tell them to check it, and do the removal and sending off the tcu for you. But it doesn’t sound like the problem is in the mechanical part. Can’t guarantee anything but usually mechanical issues have different symptoms.
Before this job stik on N or P
Do indeed.
Before down tcm stik on P or N...
Sorry my english not good.iam your subscribers from Indonesia
@@habibizhafranzhafran8343 oh I see, I had the transmission in P, in this car but on another one I did I had it in N, because I needed to push the car out of the garage, so to be honest it doesn’t matter. If you don’t need to mode car by pushing just do it in P.
how much does it cost new
Possibly £2300 pounds for the part
Apt only i
psst, why you whispering, mate?
May be the phone was far, the position was awkward the noise. The weather, tell my brother not to put his hand on the microphone I don’t know 🤷♂️.
how much does it cost new
Around £2500 i think