Replacing HVAC Stepper Motor on a 2002 Mercedes-Benz C240 (W203)

Рет қаралды 348,750

5 жыл бұрын

Replacing HVAC Stepper Motor on a Mercedes-Benz 2001 to 2007 C240 (W203)
Knocking sound coming from under the dashboard when start up the car. One of the 10 stepper motors could be the culprit. The knocking sound usually goes away after 15-30 seconds. This video shows you how to replace one of the motors.

Пікірлер: 237

@MmetalbikesS 4 жыл бұрын

Your conclusion is absolutely correct. Often times it is actually a crack at the hex key of the control arm that causes the motor to slip/skip , and not the stepper motor itself. Thats the reason why mercedes reworked the design of the control arm two times, each time adding more material around the hex key to keep it from cracking/flexing.

@martin661962 11 ай бұрын

Thanks so much for this video. I replaced the arm that moves the flap to direct air to the windscreen, when the defrost button is selected. The arm was cracked where it fits to the stepper motor. Fortunately, the replacement was a tight fit on the stepper motor cog. It fixed the issue immediately and the annoying 'eight clicks' from the dash each time I started the car, has gone. For anyone completing this job, when reinstalling the centre console, make sure all wiring plugs have sufficient length and will reach where they need to plug in. Otherwise you will be repeatedly installing and uninstalling the console til you get the wiring all hooked up.

@DanielRaic 7 ай бұрын

I had this same problem like it is on video. I changed stepper motor and it was ok. The thing is that I can hear now sound of tightening each time when I press to direct air toward windscreen. I heard this also before, before my old stepper motor went bad. I removed again everything to check what is happening, stepper motor is working fine, arm is ok, but little part which arm pushs toward up when air is directing toward windscreen is moving really hard and slow...This is reason why my stepper motor went bed in the first, all parts inside of it are plastic and it could not endure so much effort.. Do you maybe know what I should do to fix this? I wa thinking maybe its just some dust collected and that thing which is oppening air toward windscreen (some kind of doors or whatever) needs cleaning, but how to reach that part..I was searching online but couldnt find anyone cleaning that or removing parts toward it..

@roidorerez 5 жыл бұрын

Thank you very much for the video. A lot of respect for your patience and professionalism

@NK1794 5 жыл бұрын

Thank you, sir

@ivaylo.minkov 3 жыл бұрын

This definitely goes to my Car playlist. Altho mine is C 270 facelift (2004) I guess it won't be much different. It made me realize this need to be done in summer (more light and warmth). Thanks for the great video.

@NK1794 3 жыл бұрын

Thank you for watching and good luck.

@robincornick9010 3 жыл бұрын

man you are a warrior, I love your endurance, got to be the best feeling ever when it finally works. About to sell my C240wagon as I bought a E350wagon. Was gearing up to do this n the 240 but I'll drop the price 500 and let the new owner have the fun!!!

@dajhut 4 жыл бұрын

Excellent instructions. Good on you mate. Pleasure to watch and listen.

@davidb.cutter4631 3 жыл бұрын

So the car salesman told me, "It's only a $20 part," unfortunately, he didn't mention the complexities in changing it out. Great video, I don't know if I have that much patience. Guess we'll find out.

@ae70gts 4 жыл бұрын

so nice of you to show step by step. thanks!!!

@machoneboard 3 жыл бұрын

Thank you for taking the time to post this video. Very helpful. A common problem I think.

@colintreacy3899 5 жыл бұрын

A fantastic video! Your notes are excellent. A true professional. Cheers

@NK1794 5 жыл бұрын

Thank you. I appreciated the comment.

@omarouyahia8087 4 жыл бұрын

Thank you man, you took too much in your time for this tuto. Thank you

@javoncook2441 3 жыл бұрын

I appreciate you showing this video. You should put up a donations link or something. Thank you very much.

@doozer2726 2 жыл бұрын

Excellent video mate, thanks a lot. I've already done this about 2 years ago, but forgot how to do it, & it's gone again! Good info about the oem part too. Cheers 👍

@Luisoft1965 4 жыл бұрын

Thank you so much for this video. I helped me a lot to realize that it had to be done by a mechanic.

@richarddelaney4356 3 жыл бұрын

Does any one know a good mechanic in Dublin to replace my stepper motor on my C180 mercedes 2003.

@stanevus 2 жыл бұрын

How much did they charge you?

@bigl90larry 4 жыл бұрын

Thanks, I just got replaced 2 motors last week. It is a lot of work to get this done. But worth it

@maurozarate371 3 жыл бұрын

Gracias amigo por tan buena asesoría y paciencia, para explicar cómo se debe de hacer. Exelente trabajo

@dco122 5 жыл бұрын

This is like winning an escape room

@NK1794 5 жыл бұрын

D CO 😁👍

@sergiovega7769 3 жыл бұрын

Thank you so much man you help me a lot with your video I got the same problem on my car am going to fixed tomorrow morning

@LokeJohansen 5 жыл бұрын

Great video, ive got a B15A8 error. and your video just saved my day. ;)

@thecovenant825 3 жыл бұрын

Thank you, great video, you have the patience of a Saint!

@fatihsultan6452 4 жыл бұрын

Thank you very much for your time and hard work 👍🏻👍🏻👍🏻

@rafaelbernal3473 3 жыл бұрын

You're so brave for doing this man!

@Noammats Жыл бұрын

LOL, someone needs to parody this, like at the end the guy just sits on a pile of scrap metal and calmly says "well now you know what to do, just reverse everything you did to put it together" :D

@stephenchalkley7848 4 жыл бұрын

I just bought a C240 now I know what that noise is great job

@NK1794 4 жыл бұрын

Stephen Chalkley Thanks!

@radmansa5514 4 жыл бұрын

Good video, clear instructions 👍👍👍

@starabagraxD 4 жыл бұрын

You did such a great job with everything well explained. Thank You!

@NK1794 4 жыл бұрын

Appreciate the comment. Thx

@anommuhajirin5722 Жыл бұрын

Awesome work, that's a lot of effort to do the job, well done 👍

@SerQtn 9 ай бұрын

Thanks so much for sharing. So helpfully. Greetings from Argentina.

@dja29780 3 жыл бұрын

Très bon travail. Merci pour ta vidéo. Problème récurent sur Mercedes. Hélas

@nigelramsay7898 4 жыл бұрын

Excellent! My 270CLK just started doing this after only 242000miles! ;-)

@NK1794 4 жыл бұрын

Thanks! That's a lot of miles!

@54V4 5 жыл бұрын

Great job mate! Good informative video. Thx for sharing it with us!

@NK1794 5 жыл бұрын

Thank you for watching

@ivanpetrov8433 2 жыл бұрын

Thanks for the video, , very useful information.

@daveshave-illbeback6646 3 жыл бұрын

This is a big job! Thanks for sharing 🤓

@williamsmothers8830 Жыл бұрын

Well, I know what I am in for now. Thanks for the wonderful detailed video.

@ceciliaperalta7781 3 жыл бұрын

Very helpful! Many thanks for this!

@MrArtSkyStudio 4 жыл бұрын

Thank you very much man, this is really helpful.

@NK1794 4 жыл бұрын

Thanks. Appreciate your comment.

@johneraygonzales2172 Ай бұрын

U did a good job bud. That is also a problem with my c230

@allanclell 2 ай бұрын

What a bastard of a job for what’s actually a small problem to fix. Getting to it is a whole different matter 🤔👍

@thanhson7630 5 жыл бұрын

Excellent Video, Very detailed, Like your hook tool

@NK1794 5 жыл бұрын

Thanks

@user-db9wm7es6l 5 жыл бұрын

สวัสดีจ้าคุณเจี้ยบ🙏😁 เก่งจริงๆ แก้ได้ทุกจุด เหมือนคุณหมอเลย 👏👏👏👍👍👍👍

@NK1794 5 жыл бұрын

ราตรี กินแซ้บ พอซ่อมได้ครับ ขอบคุณครับ

@Rick_Celma 3 жыл бұрын

Great work sir 👍

@SaabCarlsson 3 жыл бұрын

Thank you so much for this. I have a right hand drive, so could be a bit different. But it's a great help. Much appreciated.

@SavedbyHim 3 жыл бұрын

Hi Chris. have you tackled this job yet? :O

@SaabCarlsson 3 жыл бұрын

Hi Graham, No not yet because I found out that the main problem wasn't only the stepper motor but the middle vent was stuck open so all the air was escaping upwards. I managed to source a second hand one from Latvia at a great price and at least now the center aircon vents are working. Also it's winter here in Perth so I'm not in such a rush. Also a few other plastic fittings are broken due to UV deterioration (eg door grab handles) and some other dashboard stuff, so I'm getting as much of that done before tackling the job. I also have the common leak under the oil filter which I need to do. I hate it leaking oil on my garage floor. Thanks anyway. Cheers Chris

@SavedbyHim 3 жыл бұрын

@@SaabCarlsson Thanks for the reply! My HVAC fan is chirping every now and then so I might replace that when doing this job (mine is clicking behind the dash as well). I have the same oil leak but I'll be doing that with the valve cover gaskets. Best of luck from South Africa!

@vpmvda 5 жыл бұрын

Awesome video! Really usefull. Thumps up!

@NK1794 5 жыл бұрын

vpmvda Thank you

@nykeia_candoitall1498 4 жыл бұрын

great job and great video

@syedpervez7009 5 жыл бұрын

Thank you video is very helpful. God bless you.

@NK1794 5 жыл бұрын

syed pervez You’re welcome.

@ramonfdezfdez7474 Жыл бұрын

Menudo trabajo, me alegro que al final te funcione.

@rssPulsechain 4 жыл бұрын

Thank you for sharing ! Great Job!

@NK1794 4 жыл бұрын

Thank you, sir!

@tataaa7 5 жыл бұрын

thx bro alot i have same problem but dont know how to fix it 😊😊 now i know thx wery good video i have c220 think is same thx

@NK1794 5 жыл бұрын

Elmedin Corbo Thank you for watching and good luck with the repair.

@kaidiego 5 жыл бұрын

patience paying off, at it's finest!

@NK1794 5 жыл бұрын

LOL. Thanks

@tjeerdsnip2442 3 жыл бұрын

This will help me a lot! On my 200 C

@buragas6jaha639 5 жыл бұрын

Tqvm sir good info great video

@54V4 5 жыл бұрын

Also, the notes are very useful. THX!

@NK1794 5 жыл бұрын

Thank you. I'm glad to hear that.

@2404Pepe 2 жыл бұрын

Can't thank you enough!!!!! great job!!!!!

@bunhengly5719 Жыл бұрын

you did good job. awesome man

@sirildan7392 2 жыл бұрын

Awesome work man 👍👍👍 Thank you 🤝

@revolvegaming0249 7 ай бұрын

Helped alot thanks!

@MrMctwisted 3 жыл бұрын

Thanks so much for this video. Would’ve added a lot of time to an already long and annoying job. Appreciated!!

@harrishodge4145 4 жыл бұрын

Great video! I have an 02 C240 too. Wonder if you ever experience heat in footwell seeping in through central console driver’s side when driving?

@johnh9200 2 жыл бұрын

Anyone that gets ticked off (pun intended) by the stepper motor ticking for 15 seconds, needs to watch this to realize that there are far worse things in life to concern yourself with. I reckon that by the time I got half way, the floor would be littered with the ends of broken clips, that were mounting with each new task that I came across. Talking about going down a rabbit hole.

@wilsonk Жыл бұрын

Nice sharing my friend

@toodle171 5 жыл бұрын

I have the C320 2002 sportwagon. Pretty close to the same, don't need to pop off the shifter but pulling back the center console is a must do item.

@mbenz9389 Жыл бұрын

Jesus! That was too much for that stupid part!! Thanks dude!

@ivank5034 5 ай бұрын

Man you're a hero

@georgelast9991 4 жыл бұрын

this info is for someone who is watching this video and is going to attempt to do this. The arm that comes off of this actuator is like timing on a car it must be put on exactly how it was taken off and if you turn the key and put power to it while the arm was off you just threw it off timing. So if you get clicking that's probably why. Does anyone know what vent this actuator opens and closes?

@alexi802 3 жыл бұрын

Amazing ! Thank you so much!

@nacho5oh867 3 жыл бұрын

That job would cost an arm and a leg at a dealership, well done friend!! 👍🏽

@eddt6485 3 жыл бұрын

One more like form me This information is really good thanks

@NK1794 3 жыл бұрын

Thank you, sir.

@Aurash333 5 жыл бұрын

Thank you so much good man!

@ArturoGonzalez-dj1bl 4 жыл бұрын

Good video. Thanks

@nAN3ftw 9 ай бұрын

Damn, I have the same issue. I knew it would be a pain in the ass but this takes It to another level of frustration

@GUYANESEGT 5 жыл бұрын

i also did this in october. such a pain in the ass of a job. i missed putting back a few screws haha

@NK1794 5 жыл бұрын

samus aran LOL

@abdulrahimabelashher5210 2 ай бұрын

thanks for your effort on the video and i got a question is this the motor responsible for the air going down the foot area ?

@djhookflores7369 2 жыл бұрын

Nice vid my man, thank you. How many hrs you estimate this job took you?

@Caprica-Approaches Жыл бұрын

Amazingly helpful, thank you! I'm quoted about $1k for repairing this - yikes, but you show clearly nothing is extremely simple to do so :-)

@ReVersDC 7 ай бұрын

to get defroster motor is a pain in the ass... i give up today

@allanclell 2 ай бұрын

Cheers mate, have same problem with my clk .

@javier-m75 11 ай бұрын

great job!!

@sirildan7392 2 жыл бұрын

Awesome job 👍

@gameoftrhonesogo8905 Жыл бұрын

thanks for video bud

@DaytonaDan-bi2wb 9 ай бұрын

I have one and it works, not clicking but the motor kind of makes a grinding noise when you turn the key on .Question: If you never turn the air switch and just leave it in all ,will it stay there even after the stepper motor goes out ? Because I'm not touching it anymore and if it goes out I can live with the air being on all vents permanently rather than having to tear the dash apart to get to it and replace it

@rafihussain 5 жыл бұрын

Thanks. Didn't forgot!!

@NK1794 5 жыл бұрын

Thank you!

@OnlineWealthMaker 4 жыл бұрын

Thank you was very useful. I have the same issue but my car is right hand drive so its would be somewhat different - maybe I will do a video for RHD Mercedes

@NK1794 4 жыл бұрын

Vincenzo Nola Thanks. You should make a video of it. Good luck!👍

@zambottobruno8394 4 жыл бұрын

Great job Thank you so much

@NK1794 4 жыл бұрын

Thanks for watching

@bikeman123 2 жыл бұрын

Well done! Mine needs doing but I know from experince that this job WILL result in a piece of trim or clips breaking, so I will probably just leave it

@HinduBrotherss Жыл бұрын

Can you please explain what is the function of this stepper motor and control arm. does it control flow of air to different ports or it controls temperature???? Mine C200 does not blow cold air while compressor is working absolutely fine, gas is fully charged. My HVAC system keeps on circulating with cold and hot air. I am unable to figure out the issue.

@mamadbenzy9069 3 жыл бұрын

Very good clip

@bodyhandvideos 4 жыл бұрын

Fantastic video of this stepper motor removal, its currently my go to instruction on a similar problem i have with my 2003 c240. Do you have a link to get this actuator arm (mine is broken)? And do you have any knowledge of web links step by step to remove the upper dash? The defrost flaps aren’t moving 😑 which is really why i started this whole process.

@NK1794 4 жыл бұрын

Bought the arms from here but I didn't use them. Visually I think the OEM seemed to be better quality so I didn't replace them. www.ebay.com/itm/2-Pcs-Air-Conditioner-Stepper-Motor-Arm-Repair-Plastic-For-Mercedes-A2038300033/332243179734?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

@bozhidartamburdzhiyski5969 4 жыл бұрын

great video!!!!!!!!!!!!

@richardatkinson500 3 ай бұрын

So I'm coming to the party a few years after you posted your vid on this much maligned issue with Mercedes and the infamous stepper motors. There's one other guy I've watched in Austria who did this process - it took him 6.5 hours in a day. I'd like to ask you how much time I ought to put aside for doing the same task but on a R-H drive car as I'm in the UK. BTW, learnt a lot from your insights... plus I don't speak German. Thanks for the post

@user-tj6ps6qu7x 4 жыл бұрын

Thank you very much for your help thank you very much

@mbiker7 2 жыл бұрын

Will this fix my defrost vents facing the windshield? I’m not getting any air out of the vents facing the windshield. My windshield is fogging up during a hard rain.

@JeremyMilligan1024 2 жыл бұрын

If I understand correctly, you ended up using the original OEM Behr stepper motor and the original stepper arm? Or did you replace the white OEM arm with a fresh/new one?

@stelioskoumpoyiannis8841 Жыл бұрын

nice very nice I hope i will fix it

@scottbergmann4938 5 жыл бұрын

Outstanding! Very helpful, thanks. I was told the clicking noise is due to a bad arm but you replaced the unit?

@NK1794 5 жыл бұрын

Scott Bergmann Correct. The arm was OK and actually better than the one I bought.

@sadikilaspeziaitalia9654 2 жыл бұрын

Tank you

@syedumerahmed9514 Жыл бұрын

Best video

@daveshave-illbeback6646 3 жыл бұрын

Should I change the motors as well, the lever was the only thing broken but the clicking noise is still there??

@jorgeleiriao5634 Жыл бұрын

I have a 2004 c200 that’s doing the same thing. My car is right hand drive . Do think I’ll be able to get to it by just removing the glove box ?

@SavedbyHim 2 жыл бұрын

What would happen if you just unplug the stepper with the issue?

@yusuflbs7535 2 жыл бұрын

Hi, need some help here... i have trouble with Mercedes W203 C320.. When AC turn on, Blower off and Compressor On. a few minute later, Blower on and compressor on. After a few minute again, then compresor off and blower still on. Blower have 4 Pin, i measure and its good (1 Pin to Ground, 1 Pin to Interior Fuse, 2 Pin to Module). I measure compressor and its good too. Then i scan it, i get : 1. B1548 Component M2/15 (Left and right footwell flaps actuator) is stiff or blocked 2. B1205 Refrigent pressure too low 3. B1000 the control unit faulty can help me what i must check next ?