Mercedes Coolant Fan Always On Part II ( FIX )
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- Опубликовано: 4 окт 2024
- This video is the actual repair - to see the diagnostics video check here: • Mercedes Coolant Fan A...
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Steps
1. Start the engine and let it idle for a few minutes to warm up.
2. Press the "Car" button on the center console to access the main menu.
3. Select "Vehicle" from the main menu.
4. Select "Oil Level" from the vehicle menu....
It's important to check the oil level regularly to ensure that the engine is properly lubricated and to prevent damage. If you're unsure how to add oil to the engine, consult your owner's manual or a certified Mercedes-Benz dealer.
Just so you know we all Miss you and was worried about you.
I personally appreciate your video and your efforts.
You are a very highly valued person in the you tube community.
When something breaks on my Mercedes this is the first channel I come to. I think I should just watch all of the videos it would probably be in my best interest to. Keith made the perfect call on the centrifuge and oil separator needing service. I was like how did he know that my centrifuge was leaking?
Glad you are back Keith.
Thanks Deborah!
Keith, I have a 2011 C300 with the same issue. The fan will turn on high speed randomly…sometimes when we lock the door. For $50 I will replace myself. Keep you posted🙏🏻
hey im having the same issue did you ever figure it out?
Keith!!! Glad to see you back man! Your videos have provided me with a wealth of information that have saved me time and money! I have a question that I'm hoping that you can help me out with. I have watched your video concerning the dreaded M272 Engine "Balance shaft" repair....... Unfortunately I have run into the similar problem with the M273 involving the "idler gear" worn teeth. My question is, does the engine need to be pulled out of the car to change the gear?? I thought I read that it could be changed without pulling it, but I can't find any info that states that, or how to do it..... I know that its a CRAZY job, but ANY info that you can provide would be GREATLY appreciated!!! Thanks for all you do!! 2007 SL550 V8
Glad you see you back!❤🎉
Unfortunately, this video is years too late for me because this happened to my CLS550 and the stealership said I needed a new ECU.....I fell for it. 😢
Ouch! 🤕 I hate that happens way too much because we're women. I'm always doing my research for potential issues/costs BEFORE I take my cars in for diagnostics- that way we're having an exchange of ideas, instead of a one way conversation. No Sir- not falling for what I don't have to, lol!
Thanks once again Mr k... stay healthy
Hi Keith, I got a problem with my 230 Merc, its fan comes on a full blast as soon as you turn on ignition, tried to reason how it works, so found out the fan requires pulse width modulation from the ECU, which controls amount of cooling required, so dependent on inputs from engine temperature I guess, but I tested the sensor by measuring its resistance along its temperature curve so this was not thought to be faulty, still I had a doubt so replaced it and to no effect and the fan is still blasting at full speed drawing 40 to 50amps! Fan itself is OK, when its control wire is disconnected it stops, even though the power 12 volt is still ON, so i know for sure its got to be a problem with its ECU or there could be another input that has gone wrong, and this could be from its Air conditioning unit, I believe (guess work here) that ECU may be getting an input signal from a sensor that is telling it that refrigerant is too hot and needs cooling down, so it summons the ECU to kick the fan in full blast, is this the sensor you described in this video? Although you described its location and its price but you did not elaborate what this sensor does, what conditions does it work under, it seems to have 3 wires on it so it can't just be a on off pressure switch, please could you elaborate more on this sensor and its actual function so is this why my fan is running full blast, is the coolant low pressure, or does it measure high pressure or is it a refrigerant temperature sensor, every bit of help will surely help tremendously.
Welcome back! 🙌🏾 I think most would agree that you've been missed and in our thoughts..Good to see you doing well.🙏🏽
Missed your videos 👍
Im glad to see you back
Glad to see..
Good morning, may blessings shower on you an your family wherever you go. Will you do a head gasket replacement for a mercedes 350 engine any time soon
Hey, I just watched this video. One thought, when you are working on a part espically like this one where someone can over tighten and strip or break what attaches them it would be helpful for some folks to have a torque spec. or at least a general observation from you as to how tight. lets say your best guesstimate. Also if you use electrical contact cleaner and dielectric grease in this case. All thse little tid-bits are helpful to some one that pushes a pencil and not as much wrenchin. I ain't downin anyones work but little things like this are a GOOD THING. Keepem comin
I agree with you. However I’m very hesitant to give torque specs on here and then like you said, a pencil pusher mis-calibrates the tool and snaps a bolt then blames me. I can say that there are torque specs online that are for different bolt sizes that one can look up.
Thank you a lot.
❤ Glad to see you back man you help out a lot
Always!
Hi Keith my car keeps stopping after I drove it for like 15min and on the thermometer when is above 90 degree then it stops and says consult workshop, Everything is fine 100%Serviced 169w 180 Benz I'll appreciate the help 🙏
Great to see you are doing well. I have a 1999 Mercedes SLK230. It will crank but no start. I changed the k-40, alternator, starter, fuel pump and filter. When I try to start it, no warning lights will come on instrument cluster only SRS. When starting my other 99 SLK all of these lights come on in the no. 2 ignition position. Can you help me figure this out 😞
Did you do a video on filling the hydraulic convertible pump on an SLK 230? I thought I saw a really good one from you a while back, but can't find it now that I'm ready... lol
My car have the same problem.the fan is running. . I disconnect the temperature sensor the fan still running. Is that the temperature sensor is good.
Was it the temp sensor in the end? curently dealing with the same issue on my Mercedes S212
Your videos are great! You seem like you know about a lot about ml350. My factory subwoofer in my ml350 2007 stopped working last week when driving down the road. I have no power at the plug on the sub. I’ve looked for wiring diagrams but no luck yet. Do you happen to have any ideas? Factory amp? It has a aftermarket CarPlay radio
I got the same problem with my w204 c180k 2009 model what do I do
Thanks again 👍🏽. Do you have any videos on changing the GL450 complete headlights? Do we have to take off the front bumper?
YES YOU DO
Do you recommend getting it from dealer?
2010 glk 350: Cylinder 6 misfire. I replaced all 6 plugs, all 6 coils, and fuel injector on cylinder 6. Still runs very rough and gives code P0306 (misfire in cylinder 6) What would you recommend now? Thank you for all the Mercedes tutorials. You have helped me so many times!🙏
Hi Keith, I have a warning light issue with my 2011 C300 mercedes Benz, I took it to a couple of mechanics and they have been unable to find the issue, wondering if you could help me figured it out. Is a white faulty coolant light, they replaced the thermostat, the coolant reservoir and apparently that wasn’t the issue, the light still coming up. Any suggestions?
Hello. I have the following problem. The control unit is not responding to the error scanner. Some electronics are not working, namely the turn signals, high beam (only low beam can be manually adjusted and turns off while driving), the air conditioner blows air without cooling (there should be refrigerant, but it cannot be refilled), and other electronics. The fan under the hood is running at full power. All of these symptoms occurred at once (the battery image was red on the dashboard, now SRS, check engine, notification that distronic, speedy tonic is inoperative, check right multifunction, inoperative, check right multifunction, LR service required are lit up). The electrician said that the issue is not with the control unit, otherwise the car would not start. The rear SAM was replaced a year ago, and the front SAM a few days ago. The fuses seem to be fine. Mercedes ML350. Help!
Hi Keith, my 2006 ml350 the ac works but it's not blowing cool air, I put freon in it and still no cool air. The heat works fine. Can you please help me?
K. is it posible for you to indicate the location of the blend motor for the drivers side ac. W166. Ml350 2015.
Hi there I’ve watched your videos for Mercedes repairs but I’ve hit a wall I get fault code p0500 which is speed sensor A but tried to find out which speed sensor is A but keep going round in circles, the code comes up on both my cars 200 CLK 2002 AND 230 CLK 2003 I would appreciate any help thanks.
Keith hi , what is the part number for the sensor on the ml 350 which you show the location thanks Brian in South Africa.
Hey brother i got a 2018 gle350 and the scanner is giving me ( low pressure at fuel rail) and (lost communication with fuel pump) which of the 2 do you think would be the main cause. I do not hear the pump priming so im leaning towards pump. Any input would be appreciated.
Yo I just had a computer replaced but my command center radio is out I have a 07 c280 a y idea on where to start on fuse replacement ? Was working b4 computer replaced but was doing a kinda on off glitch then just went out any vids on it would be appreciated
So the refrigerant sensor is the reason that the radiator fan was running constantly? I am having that same issue and hoping that replacing that refrigerant sensor will fix my issue.
Also, my A/C does not work either.
Brother were you able to fix it
Hey guys I have Benz c300 2010.
Issue is: my fan runs non stop as soon as I start the car no overheating or engine light. All fluids are new but still does that.
Did you watch the video?
My 2015s550 fan doing that
Hey Keith I have the 2009 e 350 is the coolant temperature sensor the same as the refrigerant sensor also can you send me a video of it’s exact location so I can replace mine
No it’s not the same sensor. Coolant sensor is located on return from engine. Top hose in radiator then trace it back to engine block and that is where the sensor is located
minute after ignition it goes to 40 percent and stays on "'':(
Can this cause the. Fan to. Run high speed what the part number
Do you have a referral to get parts?
Hi my ML350 w164, recently consumes more fuel than usual. What you think might have caused this
Have you checked all the usual suspects, tire pressure, oil level? Etc
Hi Keith hope you can answer. I have a squeaky noise when I start my car. Seems to stop after I start driving. I change the pulleys and serpentine belt that popped few months ago.. any idea on what this could be? 2010 ML 350.
It could be your power steering pump
@@iRepairAutos thanks for reply I will have that checked. I went for oil change yesterday but of course the car wasn’t making the noise. It’s like a high pitched chirp. Gonna see if it does it only in am or anytime the car sits and then starts.
Just a question and not a comment Does the ml 2006-2011 model 350 come pre wired for a rear subwoofer installation? I
It has a built in subwoofer on the left side of the trunk. Plugging in an aftermarket subwoofer will require some work (electronics, etc.)
@@iRepairAutos I. do appreciate that you took time to reply to my inquiry.I wasn't specific enough in my question.I want to know if the base ml model came a pre wired harness in case someone wants to add the factory subwoofer down the road?By the way,your videos are very instructive.Keep up the good work
@@nickpreval7721 the base model should have a subwoofer in the side panel. Remove the side panel cover (safety kit panel) if it's there then you should have the basic wiring as well.
@@iRepairAutos You're truly a gentleman.I really command you for the time and effort you dedicate to reply to your subscribers inquiries
Hello
last week a mouse chewed the wire going to that sensor on my ML350.
yikes! Get that wire fixed ASAP!
How to fix that wire?
How are you, engineer? Could you please upload the videos with Arabic subtitles?
I had to replace that sensor the last summer. Filled uobair conditioning, but it never worked, cooling fan started to work non stop instead. So jad to remove all of the air condicioting liquid, change the sensor, filled uo the system again and it works just fine now :)
Good work. If the actual liquids are low then the sensor is doing its job. What code did you get when you initially scanned the vehicle?
@@iRepairAutos I don't really remember what code it was. But the AC wasn't working since I bought the car. As soon as I changed that sensor and filled up the AC system, it worked fine.
What type of a/c refrigerant/liquids did you use?
@@mkb5984 Not quite sure what's exactly in this liquid. Just drove to a mobile AC station (we have a lot of these in summer season)in the parking lot and the guy filled it up for me, checked the pressure, anf after the replacement of this sensor it started to work like it should.
@@wierxasssSo, the A/C wasn’t working AND your radiator fan was giving this same issue of constant running? Asking because I have having both of those issues. Hoping this sensor is what will fix both problems. Thanks!