Mercedes cooling fan problem. no air would circulate from the vents.
Mercedes cooling fan problem The See why your 2012 Mercedes-Benz E550 radiator fan may not be working. You might be able to tap into a buss wire near the N10/1 module and fuse box under the hood and then furnish your own inline fuse circuit to power the fan. No fault codes nowhere. To start viewing messages, select the forum that you want I am having a problem with radiator fan stuck on high speed. Kevin. sensor If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. can anyone guide me in the right direction as to fix this problem? Cooling system issues: if the engine overheats or if there are problems with the cooling system, the radiator fan may run more than usual, increasing the load on the fuse. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Hi guys A couple of days ago i noticed that the radiator fan starts running immediately upon start up and is really loud the fan runs continously the first 10-15 min an then goes off. 2000 Mercedes ML270CDI - Name: Alyse: Tow car and project in progress 2000 RAV4 4dr - Bugout Vehicle. If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. It turns on after about 10 seconds after ignition and then switches off after about 1 minute when I power down. Learn about common malfunctions, repair costs, and diagnostic tips on RepairPal. My 1987 300D's came with the green switch from the factory. Learn about symptoms, common causes, and estimated repair costs at RepairPal. Jump to Latest BenzWorld. The fan quit, then worked again. Our cooling fans are designed to optimize heat transfer when it’s needed. Diagnostic technician. no air would circulate from the vents. The current problem is the CEL remains on with P0115 code for "temp. cyberj If you have issues with multiple unrelated circuits it's almost certainly an earth problem. With proper scanner you will see % demand requested by engine temp or AC. 0 % 45% of the time it's the The most common reasons a 2010 Mercedes-Benz S63 AMG radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. The next day it ran at 100% all day and sounded like a jet taking off. BenzWorld. The engine temperature is no different than before the fan started 2011 Mercedes E 220 CDI /D 270. It is best to stop driving your Mercedes-Benz C250 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer climate. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Hello, I have a 2016 S-Class 350D and the cooling fan is running from start-up on a cold engine. Power is sent to it which turns Fans on/off with the pre set factory temp. Can someone to help me how to solve this problem? I am right in thinking that the radiator fan is The red switch runs the fans much more often, improving both AC performance as well as engine cooling at idle speeds. The WIS appears to show a control module integrated with the COMAND fan motor however it also appears it could be part of the actual cable connector to the fan shroud. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Discover solutions for your 1998 Mercedes-Benz E320's radiator fan issues. i. The fan control module was replaced and this did not solve the problem. It is best to stop driving your Mercedes-Benz C280 until radiator fan Hi, i have strange problem, all years my car was good without any issue, but this winter i have this problem: when i start engine, cooling fan starts too, not so loud, but i can see its working. Mercedes Sam Module | Circuit and Wiring Diagram The problem is likely the electrical thermo fan (temperature) switch. 5 108. As of a couple of weeks ago, the main radiator fan (i. Diagnosing your Mercedes-Benz CLS550 radiator fan issues? Learn about common problems, symptoms like overheating, repair costs, and expert help at RepairPal. 27,155 satisfied customers. The water pump circulates coolant through the engine where it absorbs the heat produced by Common Problems with Mercedes Cooling Fan Control Module A few common problems that you may encounter with a Mercedes cooling fan control module include electrical issues such as short circuits or blown fuses; mechanical issues like worn out If any of The most common reasons a 2005 Mercedes-Benz SL65 AMG radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. MY2005 should be past the Valeo radiator problem - I think it was only up through MY2003, maybe some early MY2004s. A forum community dedicated to Mercedes SLK owners and enthusiasts. the engine is cold 2. I checked the radiator fan by turn the a/c on and max the fans out the radiator fans will not turn The most common reasons a Mercedes-Benz Metris radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information The most common reasons a 2007 Mercedes-Benz S550 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. It is best to stop driving your Mercedes-Benz GL450 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer Mercedes radiator fan is an important part of the car that helps keep it running cool. It is best to stop driving your Mercedes-Benz E350 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer climate. cyberj Member. It won't over cool as the thermostat will control the engine temperature. If it's still running on high, then either the temp sensor isn't working correctly, or the ECU is unable to communicate with Mercedes vehicles like the E-Class (W212) and S-Class (W221) are particularly known for customers reporting these issues. Use an ohmmeter on it with the key off engine cold. On most days, about 10 seconds after I turn the car on, the fan will just kick into high speed and stay on no matter how long or how fast I drive. #2 Pulled wires off condensor behind driver's hedlamp assembly - No low Aux fan. I have Explore common radiator fan issues in the 2021 Mercedes-Benz Sprinter 1500. Fuse on 30a relay is ok. Fuse on 15A relay is ok. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada The most common reasons a 2005 Mercedes-Benz ML350 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. I believe the auxiliary fan solved the issue more than the relay. Ask follow up questions, thanks. The fan comes on while unlocking when the engine is still warm, not after stitting overnight. It has recently started to get hot when in stationary traffic but the engine cooling fan fails to kick in. You may have to register before you can post: click the register link above to proceed. 5V fan not running 3. e. there are no errors in the car. The water pump circulates coolant through the engine where it absorbs the heat produced by combustion Mercedes P1482 Symptoms Various symptoms may arise when the P1482 code is present. See More Mercedes-Benz GLK350 Problems Faulty radiator fan motor can cause AC problems There is a problem with the engine cooling fan which is not running on warm up. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear The most common reasons a 1999 Mercedes-Benz E320 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. SRS flagged up and I read this was common for not disconnecting battery, school boy error, so I plugged in my obd2 cheap android reader to If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. Symptoms of a bad cooling fan include: The cooling fan does not work, and the engine overheats. :? I checked the fuses and found fuse 10 (40A) to be blown. 068 1999 ML320 163. I found a lot of complaints about the fan module failing which is built The most common reasons a 2003 Mercedes-Benz E320 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. and OBD II codes can help guide you to the cause of your radiator fan problem. org forum is one of the largest Mercedes-Benz owner websites offering the most The electrical system powering the fan, any system that sends a signal to turn the fan on such as the air conditioning system or the engine cooling system, and the radiator fan motor are all possible problem areas that may need to be checked when diagnosing radiator fan symptoms. Find maintenance tips, diagnostic help, and local repair services at RepairPal. Before them, I did the Tests to check my Aux Fan circuit as you suggested (my aux fans are nonfunctional). It is best to stop driving your Mercedes-Benz GLC300 until radiator Is your Mercedes Coolant Fan stuck on High? This video walks you through the steps to see what the problem is and how to go about it. BTW the radiator icon on the dash is off when the car is still cold but when it heats up it lights up (Think when it reaches the The most common reasons a Mercedes-Benz ML55 AMG radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. Be attentive to symptoms of a faulty air conditioning system, including weak airflow, warm air blowing from vents, and unusual noises or odours. I NEVER had this problem before the B engine cooling system service and the fan NEVER ran loud before. 98 c43 radiator fan problem!!! Jump to Latest BenzWorld. VerticalScope Inc. Also please see the pictures of the reading from the fan when: 1. This is part 1 of a t If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear. It is a 2010 E350 CDi Estate and i have an issue with the cooling fan. It is best to stop driving your Mercedes-Benz B250e until radiator fan My 07 c230 had cooling/ fan issues earlier this year. The Fora platform includes forum software by XenForo. Driving slowly around town = fan speed increases Driving faster eg 40mph+ = fan goes full tilt (but it slows pretty much straightaway when the driving speed reduces) W209 radiator fan constantly running. It is best to stop driving your Mercedes-Benz S500 until radiator fan Welcome to JustAnswer, my name is XXXXX XXXXX I'm here to help get your problem resolved. Emptying battery. It can therefore be SAM, ECU or Fan controller. I have replaced both the fan motor and fuse but the fan still does not operate when the engine temperature raises during for instance waiting at a red light or stuck in traffic. Incorrect fuse: if the fuse has been replaced with one of a lower amperage than specified by Mercedes Benz, it is more likely to blow even under normal operating conditions. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear If you don’t know How To Check If Cooling Fan Works In Mercedes, this video is for you. The water pump circulates coolant through the engine where it absorbs the heat produced by Hi all don't know if this has been covered as carnt find the thread for it but my c220 has its fan constantly running from the ignition turned on even with engine running and never turns off until I switch ignition off even then it's about 5 The most common reasons a 2008 Mercedes-Benz S550 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Since the the engine cooling fan is running on high a LOT! Runs on high upon starting in the morning cold, and almost all the time. Also look at the diagram that I supplied, The most common reasons a 2016 Mercedes-Benz C300 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. I have an SLK350 where the main engine cooling fan runs at almost full speed all the time. MB suction fan comes on at ~95C but it should go ~40% when AC is turned on. Learn about symptoms, causes, repairs, and maintenance tips on RepairPal. Essentially If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. The easiest way to wire the control circuit Radiator fan problem. I have been through all the other cooling fan posts on here but can’t find At an idle, when the fans are not on, is your compressor clutch engaged? If it is then you are asking for problems by continued use of the A/C because there is no cooling factor. It is best to stop driving your Mercedes-Benz GLA250 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer Customer: I have a Mercedes ML350 with a cooling fan problem need some help. the coolant temperature sensor shows proper temperature of the engine. No more fan problems. The water pump circulates coolant through the engine where it absorbs the heat produced by The most common reasons a 2005 Mercedes-Benz SLK350 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. Learn about common causes, symptoms, and estimated repair costs on RepairPal. It is best to stop driving your Mercedes-Benz GLE350 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer The electrical system powering the fan, any system that sends a signal to turn the fan on such as the air conditioning system or the engine cooling system, and the radiator fan motor are all possible problem areas that may need to be checked when diagnosing radiator fan symptoms. The first indication of a defective fan clutch is a healthy cooling system that runs below or above the It will stay in the middle until problem then it goes smack in the red. It is best to stop driving your Mercedes-Benz ML500 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer Cooling fan problem. Troubleshoot non-cooling issues by inspecting the cooling fan, checking for [] Hi all. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the Hi, Now that I have a working car again I thought it was about time to sort out another of my cars faults, the radiator fan is constantly on maximum attack mode regardless of engine temperature and comes on a few seconds after starting car, I have bodged a rocker switch that is sort of hanging out of the glove box so I can turn it off. If you’re experiencing problems with your Mercedes radiator fan, it’s important to troubleshoot and test the system to find the source of the issue. The temperature gauge went to around 100 then I got a warning symbol in the multi function display, the symbol I got points Replacing the cooling fan on a Mercedes-Benz is easy and takes about one hour. First make sure no fuses Discover solutions for your 2003 Mercedes-Benz C32 AMG radiator fan issues. The water pump circulates coolant through the engine where it absorbs the heat produced by overheat. org 1972 280SEL 4. CLK 320 engine cooling fan problem overheating. I thought brilliant, here we go. It is best to stop driving your Mercedes-Benz SLK230 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer Howdy all, my 2013 E63 has developed a fan problem this morning. The temperature gauge went to around 100 then I got a warning symbol in the multi function display, the symbol I got points Hi, I have had a 2016 C350e for just under a month, it's been fine so far but since the hot weather last week (may be coincidence) it seems to have a problem where the cooling fan runs near constantly at full speed. 2013 Mercedes-Benz C250 Radiator Fan Issues & Repairs The most common reasons a 2019 Mercedes-Benz GLE43 AMG radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. Jump to Latest After getting a new battery in and getting it started the radiator fan starts at full speed and stays on at full speed until ignition is turned off. I Hi I'm new to MB and recently bought my first call, wanting to change the head unit all went well and took a switched live feed from cigarette lighter. The water pump circulates coolant through the engine where it absorbs the heat produced by The most common reasons a 2004 Mercedes-Benz CLK500 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. Does slow down sometimes for short periods. any ideas on how to fix that? The fan runs if it doesn't receive a signal from the ECU. Come join the discussion about your R170/R171/R172 SLK, or AMG For the last year I’ve been having a huge problem with my cooling fan. The electrical system powering the fan, any system that sends a signal to turn the fan on such as the air conditioning system or the engine cooling system, and the radiator fan motor are all possible problem areas that may need to be checked when diagnosing radiator fan symptoms. 888-577-6964 CAR ID 0 Change 888-577-6964 Shopping Cart 0 Parts Wheels & Tires Exterior Lighting Body Parts Explore solutions for 2007 Mercedes-Benz ML350 radiator fan not working issues. No warning lights or heating issues and car drives fine etc. What you will need If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. (a valuable assest Joe Mercedes W203 cooling fan problem If this is your first visit, be sure to check out the FAQ by clicking the link above. It is best to stop driving your Mercedes-Benz C320 until radiator fan Hello, the car is W212 220CDI WDD212002 When start the car, the fan start on a high level. Recently my cooling fan has started running continually and is quite noisy. I was Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is The most common reasons a 2020 Mercedes-Benz GLE350 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. But a car running at 60c, is a definite indication of a thermostat problem. I have had it happen after the car sat for over 1 hour. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Hopefully the collective minds can help with this problem. Any thoughts? I am assuming a faulty sensor or switch of some sort? Hi All, I have a 2010 W204 C200 Cdi with the OM646 engine. It does this almost immediately from starting the car, even before the petrol Hi all, I hope all is well? The other morning, the heater fan inside the car decided to stop working. AC is charged to the proper value. Un plug the temp switch. Mercedes Medic has been crucial in building my 07 C230, also with the M272, so trust that source. An overheated engine can result in significant and costly mechanical failures. The old fan motor has been replaced as the old one was seized and the fuse was blown. 0V-12. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear The most common reasons a 2016 Mercedes-Benz GLE400 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. 154 2000 E320 210. Learn about common causes, symptoms, repairs, and expert diagnostics at RepairPal. It is best to stop driving your Mercedes-Benz CLK350 until radiator I have a 2002 Mercedes CLK320 and the cooling fan does not work. t-stat, stopped up radiator, fan clutch, aux fan switch in the intake, relays, fuses or fan motor. This starts after turning of ignition, removing key and exiting Recently i noticed the engine temperature is above normal, and I determined that the fan will not work unless the AC is turned on, as soon as the AC is off, the fan shuts off too. I was able to eliminate the persistent coolant light issue by replacing the auxiliary fan and the fan control/relay (the silver box). Try disconnecting and re connecting the battery 1. Jump to Latest Mercedes Benz (MB) has obviously not provided an additional 12 VDC buss connection(s) for you. This is a single fan unit which sits behind the radiator. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Radiator fan starts running 5 seconds after the car is started It doesn't matter if the engine is hot or cold the same thing happens, AC is off. It is best to stop driving your Mercedes-Benz G550 until radiator fan Find the most common driver-reported problems that are to blame when a Mercedes-Benz GLK350 radiator fan isn't working. I dont know how far Continential Imports in Gainsville is but Steve is a regular contributor to the forum and seems to be able to fix cars. It is best to stop driving your Mercedes-Benz CLA250 until radiator My mercedes 2014 after locking the car the cooling fan turn on Ok sounds good. Dealer says fans need to be replaced but that's the answer for every problem- any easy way to verify fan is shot? can these be easily replaced with aftermarket Without airflow through your radiator your Mercedes’s engine will overheat. On closer inspection, I noticed the main engine fan was not working either. Engine shut down after 2 mins. Related 2012 Mercedes-Benz E350 Problems. Today was a good day and the fan and a/c works as it should. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Hello all! My 2005 Mercedes c230 acting up. 2 and 6. Neither seem to make any difference to the running of the radiator fan. Explore common radiator fan issues for the Mercedes-Benz Sprinter 2500, including causes, symptoms, repair options, and maintenance tips at RepairPal. The cooling fan runs on high constantly about 30-60 seconds after I start the car. com. Learn about common causes, symptoms, repair costs, and maintenance tips on RepairPal. Concluding the P1481 Saga: A Tale of Triumph I noticed too that my radiator fan is not working. 2014 CLA 250(totaled 10/8/19): Night Black, Beige Interior, Pano Roof, Spoiler, Bi Xenons, Sport Package, Burl Walnut Wood Trim, Opticoat, Xpel, Alembic Spoiler bass, Eve IONA bass, Michael Kelly acoustic bass guitar, Gibson J40, Carvin Cobalt 750, Genz Benz Shuttle 6. It is best to stop driving your Mercedes-Benz SL500 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer Hi, my R170 (SLK230) 1998 started overheating. In a previous car of mine ( Audi A6 ) the fan was sometimes very erratic, running when it should not, and vice versa. It is best to stop driving your Mercedes-Benz ML320 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer Explore solutions for radiator fan issues in the 2012 Mercedes-Benz E350. Joined Feb 12, 2022 Messages 20 Reaction score 6 Your Mercedes Mercedes-Benz Servicing, repairs, engine and Cooling fan problems. I first noticed the problem when my a/c wouldn't work when in traffic. 5V fan runs at from 0-90%. Turn on the key. How to Replace Mercedes-Benz Radiator Cooling Fan Symptoms. I have a 2010 Mercedes E350. It's going back to the dealership next week. I turned the A/C on and the radiator fan still does not turn on. Hi, my R170 (SLK230) 1998 started overheating. Measure voltage Huge problem with radiator fan. Understanding these symptoms can help diagnose the problem effectively. Explore solutions for your 2009 Mercedes-Benz S550 radiator fan issues. Answered by Kevin in 8 mins 12 months ago. Please see fault codes attached from that occurrence. Cooling fan runs continuously when car is turned off. Can anyone advise me my slk r170,230,03 reg 41000 on clock the cooling fan comes on when temperature reaches 80 on the temperature gauge and cuts on and off all journey,I have fitted a new temperature sensor genuine merc and no change at all, any one with tips as to the problem,regards A forum community If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. I had an issue with the radiator fan not working and limp mode kicking in when hot after a engine removal and rebuild. This also eliminated the intermittent washer fluid level light. The first indication of a defective fan clutch is a healthy cooling system that runs below or above the The most common reasons a 2019 Mercedes-Benz GLC300 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Battery disconnected, fan connector removed sprayed If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. Its as if the fan is running full blast like the car The most common reasons a 2020 Mercedes-Benz C63 AMG S radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. Finally tracked it down to a sensor within the bottom radiator hose. The water temperature rises to 90 Deg C and the high water temperature icon is If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. OP . Foxwell should have active test for suction fan. Thread starter cyberj; Start date Feb 13, 2022; C. The engine suction fan speed is controlled by the ECU. The only thing that seems to change it is whether I'm driving or not. The issue I have is it doesn’t work the temperature gets to between 80-90 on temp gauge then coolant level light comes on which indicates a fault with the cooling fan. I tracked the problem to an inline auxiliary fuse under the cover behind the engine bay fusebox. It continues to run at a lower speed for about 1 minute when I turn off the engine. It turns on after about 10 seconds after ignition and then switches off The electrical system powering the fan, any system that sends a signal to turn the fan on such as the air conditioning system or the engine cooling system, and the radiator fan motor are all possible problem areas that may need to be checked when diagnosing radiator fan symptoms. 0 amps, Two Gallien-Krueger Neo II 1X12 cabs, BOSS TU-3 tuner, Guardian of The Mighty Door Gap. Code P0480 Mercedes C63 AMG S 2018. It is best to stop driving your Mercedes-Benz S600 until radiator fan Explore solutions for 2013 Mercedes-Benz C250 radiator fan problems. It sounds like the N76 fan control module/relay has failed, here is a picture of it. Learn about common problems, repair costs, and maintenance tips on RepairPal. Learn about common symptoms, diagnostic steps, and estimated repair costs at RepairPal. Yes the newer Mercedes-Benz models like yours require SAM module programming and the new SAM unit will need to be coded with the Sofware Calibration Number (SCN). It is best to stop driving your Mercedes-Benz GLC300 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer 2003 slk cooling fan will not run but Cadillac, Car, Chevy, Chrysler, Ford, GM, GMC, Honda, Hyundai, Infiniti, Jeep, Kia, Lexus, Lincoln, Mac, Mazda, Mercedes, Mercury, Nissan, Oldsmobile, Porsche Dan. Jump to Latest These engines were the first of the new Mercedes lean burning fuel efficient types and are therefore designed to run hotter than the old 103/104 and 119 engines, all for the sake of a cleaner environment If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. Apologies for my first post being such a long one but I am hoping somebody on here may be able to help me with the latest problem on my car. Many shops have not been able to diagnose the problem so it’s up to me to find a solution so I challenge you guys to help me solve this riddle. Welcome to JustAnswer, my name is XXXXX XXXXX I'm here to help get your problem resolved. Stationary = fan runs at medium speed. It is best to stop driving your Mercedes-Benz 500SL until radiator fan issues are diagnosed and resolved, especially if you live in a warmer If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. a/c is on low 3. Description of the #1 : If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. I replaced the fuse and the heater fan worked a treat! :razz: Hopefully the collective minds can help with this problem. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Explore solutions for your 2003 Mercedes-Benz ML500 radiator fan not working. BTW the radiator icon on the dash is off when the car is still cold but when it heats up it lights up (Think when it reaches the temp where the fan is suppose to kick in). It will let you run fan in 10% increments. The water pump circulates coolant through the engine where it absorbs the heat produced by Key Takeaways Regularly check for common air conditioning issues in your Mercedes Vito, such as refrigerant leaks, electrical problems, and compressor issues. 065 BenzWorld. No overheating, ac is cold, I get a warning message that - Answered by a verified Mercedes Mechanic Since the coolant temp gauge is registering properly and you have already replaced the engine coolant When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 2. I Scope is nice to have but you can check that signal as voltage. After 30 mins drive, when temp on cluster is cca 90C (normal temp) i stop vehicle, stop engine but fan still running on high cca 5 mins. – Mercedes-Benz E-Class (W211) – Mercedes-Benz C-Class (W203) – Mercedes-Benz S-Class (W220) It is a tale told across different chapters of Mercedes-Benz history, but the strategy for addressing the problem remains consistent across the narrative. The first indication of a defective fan clutch is a healthy cooling system that runs below or above the normal Explore solutions for 2008 Mercedes-Benz C300 radiator fan issues. Fault icon on dash still there on start up, with air-con on full cold, fan still doesn't run. It then stopped working then started again. I replaced the old green with a red switch on my blue 300D about 15 years ago, the fan runs most of the time in summer, even with R-12 (which has lower pressures than R-134a). More specifically, the radiator fan is no longer working. The water pump circulates coolant through the engine where it absorbs the heat produced by Hi All, I have a 2010 W204 C200 Cdi with the OM646 engine. The first indication of a defective fan clutch is a healthy cooling system that runs below or above the The most common reasons a 2020 Mercedes-Benz C300 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. It is best to stop driving your Mercedes-Benz GL550 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. a/c Does the fan run with the key out or only when the engine is running, the fan runs like this as a saftey measure 2 protect the engine from over heating it sounds like the engine control unit has a problem . I replaced the cooling fan module and the complete fan but still did not solve the problem. The pressure in climate control module are ok. It sounds If you don’t know Mercedes Cooling Fan Problems, this video is for you. replaced cooling fan with no luck. It is best to stop driving your Mercedes-Benz ML350 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer Discover common causes of radiator fan issues in the 2020 Mercedes-Benz Metris, along with repair estimates and symptoms of malfunctioning fans on RepairPal. Coolant level warning coming on The most common reasons a 2007 Mercedes-Benz SLK350 radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. It is best to stop driving your Mercedes-Benz S430 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer climate. need to know if there is a relay or anything related to the cooling fan that needs to be checked Hello David Mercedes Mechanic: David Craig , replied 4 years ago The other morning, the heater fan inside the car decided to stop working. 000 km. It is best to stop driving your Mercedes-Benz C300 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer climate. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Symptoms of a Radiator fan keeps running when car is off on Mercedes When Radiator fan keeps running when car is off, it can be a sign of several potential issues. my local auto electrical garage I have a 2002 ml270cdi and I’m having trouble with the radiator cooling fan. The heating system is working ok. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear The most common reasons a 2013 Mercedes-Benz S63 AMG radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. the big one that's right in front) has been running at full speed all the time when the car is on. A multimeter With engine cold (now), coolant level ok in header tank. It is best to stop driving your Mercedes-Benz E320 until radiator fan issues are diagnosed and resolved, especially if you live in a warmer climate. I was unable to replicate the events of 2 days ago where the SUV overheated when the cooling fan nor the a/c did not work. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear Have 97 S320 with one fan operating (noisy) the other not (this is the fan assembly in front of radiator). Warning message on the dashboard; The cooling fan runs at full speed due to a faulty controller. Some of these include: – The cooling fan running at a single speed, regardless of the engine’s temperature – The cooling fan not engaging, leading to engine overheating The most common reasons a 2009 Mercedes-Benz SL63 AMG radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. Over time serpentine belts stretch, crack, and the ribs that ride on the accessory pulleys being to wear If the radiator fan isn't running, the radiator won't be able to dissipate heat efficiently which can lead to overheating. Discover common issues, repair costs, and expert advice on diagnosis at RepairPal. Switched the car on and almost immediately the radiator cooling fan switch on and will not turn off. #1 Pulled plug off blue connector at the Thermostat housing - No High Aux Fan. Addressing the root cause involves checking fault codes, inspecting the fan relay or temperature The issue I have is it doesn’t work the temperature gets to between 90-100c on temp gauge then coolant level light comes on which indicates a fault with the cooling fan. C. w163 radiator fan site:benzworld. Changed the sensor, and that was that. zdfamwdqrnmhjairzhoppaubijnsjuzargphihanvfhbi