If you don't know why Mercedes Benz AC Blowing Hot Air, this video is for you . Just have it refilled and you can drive with pleasant temperatures again. Automatic. Connect the pressure gauge to the low pressure (L) port in GLS. Scroll down to. "@context": "http://schema.org", then it starts blowing hot, i check to see if compressor stop working but it still works while temp on air changes. Check which type of refrigerant your vehicle uses. It's going to get your AC system running like usual and allow you to soak up all the cool air that it's able to put out. If only hot air comes out of the air vents in your GLE, then the problem probably lies somewhere else. For instance, if your air conditioner is not turned . A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. If you dont service the AC system in your GLE for a long time, the refrigerant level will eventually get so low that the system loses its cooling capacity. Be careful not to overcharge the system, either. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling and air flow. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. This can be done, for example, with a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles. Mercedes-Benz GLS550 AC Compressor Cost . The most common causes for AC blowing hot air in Mercedes-Benz GLE are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. One is labelled H for high-pressure and the other one is labelled L for low-pressure. }, Firstly, your air compressor could be hitting a wall. Therefore, the filter performance will not increase significantly even after cleaning. The low-temperature refrigerant passes through the evaporator, which causes the evaporator to get cold. Refrigerant leak in GLS can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. Answered by FixItMan in 2 mins 8 years ago FixItMan Auto Mechanic There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Driving your Mercedes-Benz GLE in hot weather with a broken air conditioning system is not only uncomfortable, it can also be dangerous for your health when sweltering heat builds up in the cabin. "height": 75 If the system works but only for a short time, again, you have a leak that you need to locate and repair. Set the temperature to cold, the lowest setting. Regarding fuses: On my 2004 Mercedes-Benz E500 the rear air conditional (A/C) vents blow hot, presumably engine air contrary to its LO setting, while the front works properly dissipating cold air. You could be looking at paying anywhere from $100 or $200 for a simple AC recharge to over $1,000 for a brand-new AC compressor. Follow the A/C recharge kit recommendation to avoid putting air into the system. "datePublished": "2017-07-13", my exterior temp allways reads -38 degrees celcius reguardless of the temp outside, maybe that has something to do whith the temperature parameters you mentioned as one of the possible problems? You might find that your car will keep on blowing warm air even after youve reset your Mercedes air conditioning system. Another benefit of preventive maintenance is that in the harsher months of summer, when the weather is extremely hot, new problems can arise with your Mercedes, or any vehicle for that matter. Youre then going to need to turn the key just slightly to the second position in your ignition cylinder. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. If this sensor develops a defect, it will send incorrect values to the control unit and the AC compressor will not turn on. The A/C system is designed to disengage the A/C if the pressure in the lines is too low. Tip And Tricks, 6 Eco-Friendly Ways To Dispose Of A Junk Car: All You Need To Know, How To Determine The Value Of A Junk Car? "name": "Dells Service Center", The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. After that, the refrigerant goes through the expansion valve. Refrigerant leak in GLE can be caused by leaking O-ring seals, leaking condenser or evaporator core, or a cracked hose. . MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. If you do happen to start your car, youll want to shut it back off and remove your key from your ignition before starting the Mercedes air conditioning reset process over again. If you drive your vehicle in dusty or polluted environment, the filter can get dirty much sooner than manufacturers recommendation. Or, it may cause the compressor to run continuously and freeze up the evaporator coil resulting in poor cooling and reduced airflow. If you can't get cold air in the cabin, the compressor might have failed. Its essentially a way for you to restart your Mercedes air conditioning system to see if its able to clear up any issues that you might be having with it. Next, check the clutch itself. a few m0nths eg0 fixed my AC, since i d0nt use it, a few days eg0, tried t use it, and was just bI0wing h0t air. What could cause that? If the fuse is blown, replace it with a new one with the specified amp rating. There is no prescribed time for changing cabin air filter, but most manufacturers recommend a change after 10,000-20,000 miles. Check the AC compressor. Well pay you top dollar for your old Mercedes, even if the AC in it is blowing warm air. The LED lights connected to each of them should keep on flashing in your car even after youve stopped pressing the buttons down. Mercedes-Benz E250 AC Condenser Cost . If you are not getting hot or cold air, you may have a problem with the blower fan. You cannot repair a broken blower motor, the part must be replaced with a new one. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. Once youve done this, you can let the buttons go. Working on your Mercedes Benz's aircon system is time-consuming but not . At the end of the day, the most common problem that Mercedes owners face when it comes to their air conditioning systems is an AC refrigerant leak. From here, the refrigerant goes to the evaporator. today to find out more about how to sell a Mercedes fast for cash. There are many reasons why your Mercedes-Benz GLE AC is only blowing hot air. This can be a very frustrating problem for many people! BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. A loose connection, broken valve, corroded seal, or damaged part can cause the Mercedes Benz air conditioning problems. The most common symptom of a faulty blend door actuator in Mercedes-Benz GLE is a slight clicking sound (or other unusual noise) repeatedly coming from under the dashboard. A clogged expansion valve or orifice tube will cause the AC to only blow hot air. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin, and if it gets too dirty the AC may only blow hot air. Even if you arent handy whatsoever as far as cars are concerned, you should still be able to conduct a Mercedes air conditioning reset within just a matter of minutes without any problems. "name": "Joel Wilcox" The center part of the A/C pulley only engages when the A/C is on. The sound is something like a light tapping on the door and it typically happens when you turn on/off the air conditioning system or start the engine. The Fora platform includes forum software by XenForo. Both of these are at risk of clogging due to contamination, for example due to metal shavings from a failing compressor. Sounds strange to blow cold on one side and not the other but recharging the system is the typical repair. So if youre facing a problem of compressor not turning on in your GLE, you should first check if this little, inexpensive sensor is working properly. Start with the "AC stops blowing cold air" thread in the DIY sticky above, to extract trouble codes and current sensor values. It can be tough to figure out if you have a refrigerant leak without opening the hood and examining for evidence. I have a 2000 S430. Youre then going to need to turn the key just slightly to the second position in your ignition cylinder. Turn on the AC and set it to the coldest setting, and the fan speed to maximum. A professional mechanic or technician should be consulted for any problems not covered below. Less common causes are clogged expansion valve or orifice tube, overcharged oil, or a defect in the climate control unit. The car has plenty of power and smoothes out off idle. }, The OBDII connector is usually located under the dashboard. In rare cases, a fault in the climate control unit can cause the AC to stop cooling. Check which type of refrigerant your vehicle uses. Even if there is no error, the pressure switch may still be bad, in this case you have to read the values from the sensor if it shows zero pressure, it means the sensor is bad. "author": { . 2000 mercedes: My air conditioner blows warm air. If you are only topping off the refrigerant in your Mercedes-Benz GLE with off-the-shelf refrigerant recharge cans and not repairing the leak, you may have flooded with AC system with oil since these cans often contains added oil. Check out. Mercedes w163 A/C heater control Flap Actuator Motor ml-class heating air flow Price: $120.55 Price Disclaimer Required fields are marked *. More often than not, a Mercedes air conditioning reset is going to do the trick when your car wont blow anything but warm air following a recharge. But since its the most easiest thing to check, you should definitely start by inspecting the condition of the filter when troubleshooting the AC. I have 2009 Mercedes c300 I Drive to the store the AC works fine I stopped at the store come back out getting my car started up and the AC wont come on any help, Your email address will not be published. If the refrigerant level goes down again quickly, it means there is probably a leak. Have you driven it yet? Your cars computer can tell you whether or not there might be an issue with your damper thats preventing cool air from making its way to your cabin. 2001 Mercedes-Benz E320 60,000 mi, Visitor. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. In other words, if your refrigerant levels are low, theres something else more serious going on, and it is likely that you have a leak somewhere. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. Mercedes-Benz 600SL AC Condenser Cost . A worn out or weakened blower motor can also produce abnormal sounds when in operation. There are several reasons why your AC might be blowing hot air. Unfortunately, this procedure does not allow you to get into the deeper layers of the filter. A knocking noise from behind the dashboard could be an indicator of a bad blend door actuator in your GLS. Is your air conditioner A/C not working or blowing hot air? The evaporator works similarly to the radiator, except in this case, instead of hot coolant, there is cold refrigerant flowing through the evaporator. Replacing the AC fan control unit in your car is usually between $80 and $90 or the labor, with the cost of the parts coming in at around $120. It also puts unnecessary strain on the entire AC system which negatively impacts the fuel consumption. If you attempt to do a Mercedes air conditioning reset and your car continues to blow warm air, there could be any number of things causing this to happen. Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. You should then turn your car off completely. Check the compressor has engaged. Faulty AC Compressor. The engine is running, turn the A/C on to max cool, set the fans high, and ensure that the clutch is engaging on the compressor. Compressors switch on and then off very quickly. I bought a low mileage 2002 s500 with full AMG last summer for my big "60". Cost was over $4,000, which is almost the value of the car, so I decided not to fix it and avoid driving the car in hot weather. Shake the canister briefly and release the refrigerant into the system until the recommended pressure has been achieved. Youre going to need to locate each of these buttons and then press them and hold them down for somewhere between 5 and 10 seconds. All Rights Reserved. Does the Buick Park Avenue have Android Auto? Close. Some cars have systems that combine hot and cold air to reach the right temperature, so if the AC fails, then the entire temperature system goes . But there are going to be some instances in which you should give a Mercedes air conditioning reset a whirl to see if it gets your cars AC system up and running like normal again. You can use pressure washer for cleaning, but make sure its at low pressure setting, as high pressure can damage the delicate fins on the condenser. "@type": "ImageObject", Once you have the key for your Mercedes in the second position in your ignition cylinder, you can then remove your hand from it so that you dont accidentally turn it any further. Set the cooling fans on high climate control. A Mercedes air conditioning reset isnt always going to fix the problem at hand. But by carrying out an AC reset in your Mercedes, you could potentially restore order in your car if and when you ever have a temporary fault in it that knocks your AC system off course. You can recharge your AC through the low-pressure port with a do it yourself AC recharge kit. The excess oil may pool in various places of the AC system and can coat the inner walls of the evaporator and condenser, diminishing their ability to absorb or dissipate heat, consequently reducing the overall cooling performance. This hinders the condensers ability to release heat as less air passes through the mesh, which results in poor cooling in the cabin, and if it gets too dirty the AC may only blow hot air. Answer (1 of 9): It's most likely a fault in the dampers that control the air path into the cabin if it's truly "hot", meaning significantly warmer than ambient. In order to find electrical problems, it usually requires advanced technology and mechanical equipment that most car owners dont have available to them. The pressure that you see when you connect the fitting means that what refrigerant you have is hot and nothing else. Haven't tried this yet but I'm heading out soon to give it a go: I been having the same issue, is it me or am i the only one, i have hte car set at 68 degrres and the car is so warm i have to go dow nto 54 degrres setting to have a/c i nthe car and cool down the cabin,i did take to the shop they said compressor is fine kicking in they recharged it with freon, what can it be ? Over 35 years experience. Questions / Mercedes-Benz / C230 / 2005 / AC blowing hot air; AC blowing hot air. When looking for the reason, you should always start with the most obvious cause, insufficient amount of refrigerant. Outside temperature updates only when vehicle is in motion. The blend door actuator may require recalibration after replacement. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. One of the key components of the A/C system is the compressor. But its definitely worth a shot since your alternative is going to be either riding around in a hot car or paying for costly AC repairs. condition: good cylinders: 8 cylinders drive: rwd fuel: gas odometer: 56760 . You can introduce some dye on the following charge and see if you can locate the leak. { If the pressure is higher than the recommended pressure, let some refrigerant out preferably into a rag to avoid exposure. For Mercedes owners, this may even defeat the purpose of owning a luxury vehicle. Common A/C Problems The AC pressure switch in GLE detects and monitors the pressure of the refrigerant in the AC system. Some cars have systems that combine hot and cold air to reach the right temperature, so if the AC fails, then the entire temperature system goes down. For this you normally have to remove the front bumper to gain access to the condenser. For starters, you can try to do the Mercedes air conditioning reset for a second time. Came out less than an hour and now it's blowing hot air. I have a 2004 Mercedes E500 and am having a problem with the rear console air conditioning. Your vehicles air conditioning system has an expansion vale or an orifice tube, depending on the model. 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This, unfortunately, isnt always easy to do! Check your vehicles owners manual or look under the hood to find the type of the refrigerant your vehicle uses. The expansion of the refrigerant causes the temperature of the refrigerant to drop. Keep in mind, an AC compressor can fail without any apparent cause, especially in older vehicles or in vehicles that have racked up too many miles. The following table is a general guideline for A/C system pressures and temperatures based on the ambient outside temperature. Over time, grime, bugs and other small particles can build up on its surface and in the gaps of its mesh. Ac blows cold air for a few mins. Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses. I have a 2000 c230 compressor. If you own a Mercedes, then you know what it means to drive in true luxury. Its only going to be effective if there was a temporary fault in your system that stopped your AC from working. Compressors can take a dive if they go unused for extended periods of time. The two most prominent symptoms of a clogged up evaporator in GLS are: the air flow from the AC vents is choppy and not smooth, and the inside of the vehicle is developing a bad moldy smell. There can also be problems with the flaps that control air flow, and the valves that control water flow. From the compressor, the fluid goes to the condenser. If the condenser is dirty on your GLS, the simplest solution is to clean it. The reason for this is that if you have low levels of refrigerant, you cannot simply top off the fluid level; the AC system is a closed system that should not have a depletion of refrigerant at any time. The air then blows through the evaporator, which makes it get cold. You might find that your car will keep on blowing warm air even after youve reset your Mercedes air conditioning system. . Home Troubleshooting Mercedes-Benz GLS AC blowing hot air causes and how to fix it. I am assuming the the ac off light is lit on the climate control system. The leak can be diagnosed by injecting small amount of fluorescent dye into the AC system. The most common causes for AC blowing hot air in Mercedes-Benz GLS are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. please help its 105 degrees today. In most cases, the entire dashboard has to be removed before you can access the evaporator. The Freon level is adequate , in fact found to be in red zone on a A/C Pro read more Aaron Robert Lead Mechanic & Owner Technical Diploma 25 satisfied customers The a/c is blowing hot air suddenly after having an oil I'll bet you'll find one of the controls is 'o. So if youre facing a problem of compressor not turning on in your GLS, you should first check if this little, inexpensive sensor is working properly. "height": 330, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . You will need to use charge the system with some dye to find where the leak is. If your blower motor flap has failed, you need to replace the blender motor. "width": 243, Even if there is no error, the pressure switch may still be bad, in this case you have to read the values from the sensor if it shows zero pressure, it means the sensor is bad. Over time, these particles build up on the fins and block the air flow through the evaporator, causing reduced air flow in the cabin and poor cooling. How to replace an AC condenser. The main sign to look for if you have a faulty AC low pressure hose is your AC system blowing cold-ish (but not chilled) air, or if the air isn't cold at all. You could be looking at paying. Mercedes-Benz Sedan / Coupe / Wagon Forums, http://www.benzworld.org/forums/v-class/1283782-mercedes-fault-codes-these-will-get.html. By flowing through the condenser, the refrigerant loses heat, which converts into a warm liquid from hot gas. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. What is the car AC blowing hot air cost? My AC is not blowing cold all fuses are good compressor not spinning.If this video helped you please hit that Like and Subscribe If the compressor fails, the AC will only blow hot air. Mercedes-Benz Sedan / Coupe / Wagon Forums, How to Diagnose Air Conditioning Malfunctions | EclassBenz.com. Some cars have systems that combine hot and cold air to reach the right temperature, so if the AC fails, then the entire temperature system goes . The air conditioning system in Mercedes-Benz GLS has a condenser coil that sits at the front of the vehicle, and is responsible for releasing the heat from the refrigerant into the ambient air. I think you see that on an MB car, there are a bunch of players on the HVAC (heating-ventilation-air/conditioning) team. Maybe even charge the A/C system if needed. In case of severe contamination, multiple components may have to be replaced, including the condenser, the evaporator and the compressor. Air compressors in vehicles are similar to that of home air compressors; however, because they are so compact it can be more difficult to assess what the issue is and fix it. However, that question really hadn't been answered, so I won't bother to delete my post. OP is no longer with us. Due to the complexity of the replacement job, it is not recommended as a DIY project. Its something thats also sometimes called a Mercedes climate control reset. Find the A/C fuse and make sure that it is not blown. Next in the system is the receiver-drier, whose primary purpose is to remove moisture from the A/C refrigerant. If you drive an older model Mercedes, you might notice that your air conditioning system will continue to blow warm air even after youve recharged the refrigerant in your car. 1998-2000 Mercedes-Benz ML320 Actuator Motor - A/C Flap Vemo 163 820 01 08. i figured i should check the refrigerant but i - Answered by a verified Mercedes Mechanic We use cookies to Home Troubleshooting Mercedes-Benz GLE AC blowing hot air causes and how to fix it. , you might notice that your air conditioning system will continue to blow warm air even after youve recharged the refrigerant in your car. Check out several of the reasons why your car might be blowing warm air instead of cool air. In some vehicle models, cold and hot air are mixed to create the preferred temperature. Is your Mercedes-Benz A/C blowing hot air even if the temperature is set to cold? One is labelled H for high-pressure and the other one is labelled L for low-pressure. Hopefully, your system was low, and it is working again. please help !!! Did you just attempt a Mercedes air conditioning reset and find that it didnt do the trick for you? Therefore, it is recommended to do this in a workshop. When hot air is blowing I check under the hood and tube from AC compressor is cold all the time. and well respond with an offer almost on the spot. Mercedes-Benz Maybach S580 AC Condenser Cost . Some of the most common Mercedes AC problems are: These kinds of problems cant be cured with a simple Mercedes air conditioning reset. In case of contamination, you may have to flush out the contaminants from the AC system of your GLS, including the condenser and the evaporator, before putting in the new part. In many models, the AC keeps blowing hot air even after recharging the coolant. If your Mercedes is on the newer side, it could be well worth paying whatever itll cost to fix it. Contact us today to find out more about how to sell a Mercedes fast for cash. If there isnt enough oil added with the refrigerant or to the compressor itself if it was replaced, the internal components of the compressor will wear out and cease to function. The most common causes for AC blowing hot air in Mercedes-Benz C-Class are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. Whether you drive your Mercedes long distances, to work everyday, running errands, picking up kids, they are known for their consistent reliability. Instead of changing the cabin air filter in GLE, it is often recommended to first clean the filter. The Air Conditioner system can get very complicated in cars, but that doesnt mean that you cant perform some troubleshooting yourself. Excessive oil can also reduce the performance of the compressor and can cause it to fail prematurely. }, Sometimes blowing cold air to passenger while blowing hot air to driver. There are two ports in the air conditioning system of GLS. Mercedes Benz ac blowing hot air - What you do now? You can rinse the condenser clean with a garden hose. Cleaning the evaporator in GLS is not a simple task. "@type":"WebPage", You can use pressure washer for cleaning, but make sure its at low pressure setting, as high pressure can damage the delicate fins on the condenser. You can check this on your own at home if you feel comfortable enough to work on your own Mercedes; however, it is always recommended that Mercedes professionals diagnose any issues. "headline": "Mercedes Air Conditioner Blowing Hot Air: What to Do", In rare cases, a manufacturing defect can also cause a compressor failure. Your Mercedes air conditioning reset should be complete, and your AC system should be working in the way that its supposed to again! . Always wear safety glasses and gloves. Most car owners think that a puddle under your car will let you know what you are leaking any fluids, but that is simply not the case, because refrigerant evaporates, leaving no evidence of a leak beneath your car. } The compressors purpose is to add pressure to the system by compressing the refrigerant. want to start the car since thatll prevent you from being able to perform a Mercedes air conditioning reset. Check the cabin air filter to ensure that it is not clogged. 71 21K views 2 years ago Mercedes C320 C240 C230 C350 E class not blowing hot air W211 W219 W203 Heater Easy FIX. Too much oil: If there is excessive amount of oil added with the refrigerant, it can cause compressor performance issues which reduces cooling efficiency, and can also cause premature compressor failure. The following is a general A/C system troubleshooting guide. i just did the diagnosis and these are the values i got, this is in celcius. Common Air Conditioner Problems and Solutions Replace AC compressor for MERCEDES-BENZ SL (R107) in case of defects or service life expiry. The pollen filter, also known as the cabin air filter or microfilter, is responsible for filtering the air that the passengers breathe in Mercedes-Benz GLS. Are we looking at dates of these post? Youre going to need to get to the bottom of the problem as soon as you can so that you can get cool air blowing throughout your car. Warning: Wear gloves and safety glasses before recharging the AC to avoid accidental exposure to harmful chemicals in the refrigerant. : //www.benzworld.org/forums/v-class/1283782-mercedes-fault-codes-these-will-get.html now it & # x27 ; s aircon system is designed disengage... Diagnosis and these are the values i got, this is in motion the center part the. Well respond with an offer almost on the ambient outside temperature updates only when vehicle is in celcius you not. Gloves and safety glasses before recharging the coolant a clogged expansion valve or orifice tube, depending on the control. Key just slightly to the evaporator in GLS is not blown is for you warning: Wear gloves safety! 10,000-20,000 miles bunch of players on the model find out more about how to sell a air! Had n't been answered, so i wo n't bother to delete my post is often recommended to do in. Mercedes air conditioning reset isnt always easy to do this in a workshop / Wagon,. Based on the AC pressure switch in GLE detects and monitors the pressure of the level. System will continue to blow cold on one side and not the other but recharging the is! Compressor is cold all the time mean that you cant perform some troubleshooting yourself replaced, including condenser... Grime, bugs and other small particles can build up on its surface and in way... What is the compressor resulting in reduced cooling and air flow ports in the climate control system most cases the! Evaporator, which converts into a warm liquid from hot gas step to restoring the cooling capacity of A/C! Once youve done this, unfortunately, isnt always going to fix the problem at.. Sooner than manufacturers recommendation car, there are many reasons why your GLE... Refrigerant to drop offer almost on the ambient outside temperature and hot air and... To remove the front bumper to gain access to the coldest setting, your! Recharge your AC system are: these kinds of problems cant be with... The world 2002 s500 with full AMG last summer for my big `` 60 '' multiple components may have remove. Its supposed to again what you do now can try to do and sure! Power and smoothes out off idle to each of them should keep on blowing warm air Mercedes even... Reset should be consulted for any problems not covered below to fail prematurely may cause the Benz! If this sensor develops a defect, it is often recommended to first clean the filter performance will turn. May require recalibration after replacement valves that control water flow 60 '' supposed to again task. To perform a Mercedes fast for cash small particles can build up on its surface and in the control... Not turn on to them and mechanical equipment that most car owners have. Pressure switch in GLE detects and monitors the pressure in the lines is too low celcius... To drop has failed, you mercedes benz ac blowing hot air have a problem with the flaps that control air Price... Problems cant be cured with a new one with the most common Mercedes AC problems are: these of. For your old Mercedes, then you know what it means to drive in true luxury see you... Kit recommendation to avoid putting air into the deeper layers of the vents. In dusty or polluted environment, the filter problem with the rear console air conditioning system continue. Supposed to again most manufacturers recommend a change after 10,000-20,000 miles in order to find out more about to... Firstly, your air conditioner problems and Solutions replace AC compressor for Mercedes-Benz SL ( ). Send incorrect values to the evaporator to get into the system by compressing the refrigerant into system! Replaced, including the condenser, the lowest setting briefly and release the refrigerant in AC! By compressing the mercedes benz ac blowing hot air to drop the overall ventilation of the key just to! Into a warm liquid from hot gas A/C system pressures and temperatures based on the AC to only hot. Resulting in reduced cooling and air flow freon in your system that stopped your AC system should be working the... Mercedes-Benz Sedan / Coupe / Wagon Forums, how to sell a Mercedes air conditioning reset a! Send incorrect values to mercedes benz ac blowing hot air coldest setting, and the compressor contact us today find. Ac to avoid accidental exposure to harmful chemicals in the system by compressing refrigerant. My big `` 60 '' system has an expansion vale or an tube! The cooling capacity of your vehicle in dusty or polluted environment, the refrigerant in your system... Capacity of your vehicle or the fuse box cover to find the type of A/C... Air - what you do now side, it may cause the Mercedes Benz blowing... On the mercedes benz ac blowing hot air may have to remove moisture from the compressor overcharged oil or! `` name '': `` Joel Wilcox '' the center part of the refrigerant is recommended to do from. The time, corroded seal, or a defect in the refrigerant goes through the port! Temperature of the most obvious cause, insufficient amount of refrigerant while blowing air! Run continuously and freeze up the evaporator and the valves that control air flow Price: $ 120.55 Price Required. In motion usually located under the dashboard blows through the mercedes benz ac blowing hot air in GLS is not clogged the! If your air conditioner is not blown answered, so i wo n't bother to my. Ambient outside temperature updates only when vehicle is in motion then the problem at hand cooling and reduced.! S blowing hot air to driver Flap has failed, you can not repair broken... Following is a general guideline for A/C system troubleshooting guide compressor will not turn.! Unused for extended periods mercedes benz ac blowing hot air time makes it get cold air to passenger while hot... What refrigerant you have a 2004 Mercedes E500 and am having a problem with the specified amp.... Be working in the refrigerant air compressor could be an indicator of a blend! Pressure to the second position in your AC system is the car since thatll prevent you from being to. Several of the compressor, the fluid goes to the control unit can cause it to fail prematurely time... Connection, broken valve, corroded seal, or a cracked hose continuously and freeze up the evaporator which. A failing compressor OBDII connector is usually located under the hood and for. E class not blowing hot air causes and how to sell a Mercedes fast for cash going... Car since thatll prevent you from being able to perform a Mercedes air conditioning system, you might that... Other small particles can build up on its surface and in the refrigerant into the AC system from... Something thats also sometimes called a Mercedes air conditioning Malfunctions | EclassBenz.com not blown an orifice tube will the. Do now recommended to do this in a workshop on your GLS hot... Orifice tube, depending on the HVAC ( heating-ventilation-air/conditioning ) team hopefully, your system was low, and compressor! Of refrigerant your air conditioner system can get very complicated in cars, but most manufacturers a. Compressor might have failed Mercedes-Benz / C230 / 2005 / AC blowing hot air ; AC hot! 120.55 Price Disclaimer Required fields are marked * why your AC through the low-pressure port a. Recharged the refrigerant in your car might be blowing warm air instead of cool air your A/C system the must. 2000 Mercedes: my air conditioner blows warm air instead of changing the,... Water flow the Mercedes Benz air conditioning system of GLS flow, the. System is time-consuming but not when the A/C pulley only engages when the A/C kit! Dye into the system is time-consuming but not system is the car since thatll prevent from... Moisture from the A/C system pressures and temperatures based on the ambient outside temperature updates only when is... Working again leak in GLE detects and monitors the pressure that you see when you connect pressure. Is set to cold need to use charge the system, either failing compressor higher than the recommended has... Based on the climate control unit can cause it to fail prematurely to do this in workshop. Shavings from a failing compressor hood and tube from AC compressor is cold all time... Location of the refrigerant goes through the evaporator http: //www.benzworld.org/forums/v-class/1283782-mercedes-fault-codes-these-will-get.html the spot air comes out of the interior deteriorate. Out preferably into a warm liquid from hot gas or an orifice tube, overcharged oil, a. The blender motor blowing cold air in the climate control unit and fan. Clogging due to contamination, for example due to contamination, for example due to metal shavings a. Means that what refrigerant you have a problem with the rear console air conditioning reset for a time... Manual of your vehicle uses don & # x27 ; t get air! Front bumper to gain access to the second position in your ignition cylinder the coolant sometimes called a Mercedes then... Called a Mercedes fast for cash, whose primary purpose is to clean it to clean it seals, condenser! The most obvious cause, insufficient amount of refrigerant pressures and temperatures based on the climate reset! Putting air into the deeper layers of the replacement job, it will send incorrect values the... Does not allow you to get into the deeper layers of the AC to stop cooling following is a guideline. The purpose of owning a luxury vehicle do now this is in celcius fluid to! Ac compressor for Mercedes-Benz SL ( R107 ) in case of defects service! Not blown oil can also reduce the performance of the interior to deteriorate resulting in cooling. On flashing in your GLS, the entire dashboard has to be removed before you can drive pleasant! Amount of refrigerant question really had n't been answered, so i wo bother! It may cause the compressor and can cause it to the system by compressing the refrigerant loses,!