Mercedes e350 air conditioning problems. If the condenser is blocked, the AC will not work.

Mercedes e350 air conditioning problems. If the condenser is blocked, the AC will not work. These symptoms suggest it’s time to check the sensor. This approach is also known as the Mercedes Climate Control Reset. By the way the system holds 1. Nov 21, 2023 · 1. HVAC box cover removed. While Mercedes-Benz vehicles boast sophisticated air conditioning systems, May 25, 2017 · Let me start by saying I have seen the many threads on MB HVAC fans failing due to corrosion from water drips caused by clogged vent drains We have a 2009 ML350 Base model with about 85K miles. Less common causes are dirty or sluggish blower motor and faulty mode door actuator. If the compressor is not running, the AC will not work. Overall, this video is a valuable resource for Mercedes-Benz owners who want to properly maintain their vehicle's air conditioning system and ensure comfortable driving. Progress for far: Referencing the I have a 2007 MB E350 the air conditioner does not work. I cant seem to find the sequence that works for my model. It's just wind. The AC blower fan stopped working intermittently, and was usually during a hot day in So. Mar 29, 2004 · Can anyone advise, please! I have a 1997 e320 w/89k miles. Oct 11, 2017 · Good day, My Compressor is not engaging. This is usually one of the most common problems. Here are common things that go wrong with Mercedes-Benz automobile air conditioners. WHY AIR CONDITIONER DOES NOT WORK MERCEDES W212 E CLASS E350 E400 E250 E200 E220 E250 CDI BLUETECIf you have Mercedes W212 E Class and the air conditioner do Aug 10, 2023 · One of the most common complaints of Mercedes users is issues with the air conditioning system. The A/C switch looked like it worked perfectly with the lines displayed and increased as Jun 12, 2012 · Gentlemen, your help is highly appreciated. But those two buttons are a rocker Air conditioning in your 2022 Mercedes-Benz E350 not working? Firestone Complete Auto Care has you covered with Mercedes-Benz A/C service and repair. Apr 7, 2024 · When your Mercedes’ onboard diagnostics system records a P0645 code, it indicates a specific problem with the air conditioning (A/C) clutch relay control circuit. While the pictures in this article are of Mercedes Benz cars, this guide is written to apply to all makes and models. Mar 14, 2024 · Is your Mercedes' air conditioning system performing well? This blog post will help you prevent costly repairs and keep your system in good shape. Jul 12, 2016 · My W211 E220 AC started blowing warm air. I read and tried to reset the climate control by holding the rear defrost The 2014 Mercedes-Benz E350 has 2 problems reported for air conditioner smells bad, like damp odor. I took the car to a service center, and they confirmed that it is mechanically sound, with full refrigerant and a functioning compressor. This guide covers everything from common AC issues and troubleshooting tips to essential maintenance practices. If your 2012 Mercedes-Benz E350 air conditioning is blowing warm air, visit Firestone Complete Auto Care for Mercedes-Benz A/C repair and service. Sep 16, 2022 · The air conditioning system in Mercedes-Benz E-Class 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. AC unit was working without issue and then the battery died. When I got home, I checked the pressure on it. I've sat for up to 10 min after starting and it continuously blows Oct 26, 2020 · My 2011 E350 has cooling fan on high speed all the time making a loud noise. You can most certainly do this yourself, don't be suckered in by the repair jerks. These codes can indicate a range of issues, from sensor malfunctions to refrigerant leaks, and they are essential for diagnosing and fixing A/C problems in Mercedes-Benz vehicles. They ran a complete a/c check, put dye Recharge the System: Once the evaporator core is repaired or replaced, recharge the air conditioning system with refrigerant to ensure proper cooling performance. It is a frustrating problem, especially during the summer when it is almost impossible to drive a car without the AC on. Jan 26, 2020 · Wondering why the air conditioner isn't working in your Mercedes? Here are the top 3 reasons why, and where you can get it fixed in Scottsdale, AZ. How To Fix Mercedes Benz Air Conditioning? Fixing the air conditioning in a Mercedes Benz can be a challenging process. To start, inspect the system to identify the cause of the problem. Jun 21, 2020 · My 07 E350 with a little over 250,000 miles has developed a problem with the air conditioning during the beginning of this summer. Reset Your Mercedes AC Like a Pro! Smart AC Solutions 2. Footwell panel and wiring removed. Operator selects heat but gets whatever temperature air is outside. Anytime you have a flashing light or a solid EC or ac Jul 19, 2018 · Has your car's AC started blowing hot air? Take a look at these common reasons for Mercedes air conditioning problems to help diagnose your issue. The air conditioning likes to only work when it feels like it, not when we need it to work. As we have now started to have warmer days, the air-conditioning system is not keeping the cabin cool. OEM is like $1300 but used ones are available in eBay a bit cheap. Understanding what causes issues in the A/C system, how to diagnose them, and simple steps for fixing or maintaining your car’s cooling system can save you time and money. The hot summer days are here, and you realize that the air conditioner on your Mercedes-Benz is no longer blowing cold air. If the air/heat fan doesn’t blow, first check the blower motor fuse and relay for continuity. Air conditioning problems in modern Mercedes-Benz models are often complex because they rely on sensors, pressure control, and hidden components such as the evaporator. Apr 20, 2024 · I replaced the control unit and now it appears to need a reset. When the air conditioning in your 2013 Mercedes-Benz E350 goes out, head to Firestone Complete Auto Care for Mercedes-Benz A/C service and repair. Replaced my AC evaporator with a brand new one, and leaks from the old evaporator Mercedes Benz ac climate control, air conditioner reset ,& clean the codes, problem fix Flori Asla 455 subscribers Subscribe How to recharge A/C (air conditioner) system on your Mercedes-Benz. Is this likely to be the usual blower regulator failure or something else. May 3, 2016 · In this condition, A/C-cold air and outside air work as they should. Apr 1, 2021 · It isn’t unusual for any automobile to have air conditioning problems, and Mercedes-Benz drivers often find themselves frustrated with the same AC issues across the board. Airmatic Suspension Failures Many examples of the E-Class came with the Airmatic suspension option which is more complicated than a conventional coil spring and shock absorber setup. Mar 14, 2025 · Explore common Mercedes Benz aircon problems, owner feedback, statistics, and recall information to stay informed and prepared. Now I know that it is able to work, and it should have gas in, since it happened before when my dad owned my car, and his Tech repaired something. Any ideas? If it were a bad heater shutoff valve Mar 20, 2025 · Explore common Mercedes Benz ML350 air conditioning problems, their causes, owner feedback, and relevant recall information. The car would blow warm air, no signs of the compressor attempting to kick on. If your 2011 Mercedes-Benz E350 air conditioning is blowing warm air, visit Firestone Complete Auto Care for Mercedes-Benz A/C repair and service. Non-recall suction side a/c hose internal failure is the cause. Jul 13, 2022 · If your Mercedes-Benz air conditioning smells bad, do not ignore it and see below how your Fletcher Jones Motorcars Team is helping you fight it off! Why does my Mercedes-Benz A/C smell bad? Your Mercedes-Benz A/C builds up bacteria, which in turn, results in odor, staining, discoloration, mold and mildew. When you press the AC button the LED turns red, flashes three times, then Mar 29, 2017 · After parking my car at work all day, the interior is very hot given that the ambient temp is in the upper 80's. 5 million Mercedes-Benz owners will soon be getting help with the nasty smells that can come from their cars' air conditioning units. It is expected to clear up issues you experience and prevent you from paying for expensive repairs. I read and changed the heater control valve already but still no heat. Why is the air conditioner of my Mercedes Benz not cooling the air properly? You can detect most of the problems related to your air conditioner by measuring the gas pressure of the system. It's had odd AC problems that we've been trying to tackle. However, once I start my car ('11 E350), the air conditioner blows warm air at full blast. Prices may vary depending on your location. Feb 26, 2025 · Discover key facts, owner feedback, and recall information about common Mercedes air conditioning problems and solutions. Schedule Your Mercedes-Benz E350 A/C Service Chill out. Did you take it to the dealership or have your mechanic read the diagnostic codes? Mine turned out to be a compressor clutch that needed to be replaced, which apparently is common on these SUVs. Jun 20, 2017 · New to MB with 2011 E350 and wanted to relay this experience. The clicking starts when going below the 0900 position on the Oct 9, 2024 · Is your Mercedes AC blowing hot air on a sweltering day? Discover how to reset your air conditioning system and restore cool comfort. Is this just finding the vacuum line under the hood and reattaching it or what. Jun 30, 2023 · 2008 E350 4Matic Wagon driver side AC just blow out warm air recently. Jan 14, 2025 · Explore the essential air conditioning system in your Mercedes-Benz E350, common issues, and troubleshooting tips for optimal performance and comfort. A faulty evaporator core can compromise the performance of your Mercedes-Benz’s air conditioning system, leading to discomfort for you and your passengers. The AC light flashes a few times and then turns off. A/C problems can be complicated but they also can be something as simple as the system being low on freon. The AC stops blowing cold air and blows ambient air. Next, check the AC condenser to see if it is clogged or blocked. I bought my car new and have not experienced the problem until now because I haven't driven it more than 4 hours or so at a time until now. In many models, the AC blows hot air even after recharging the coolant. now that it has gas it needs to reset by connecting a diagnostic computer to it. I took the fan and regulator out and inspected both of them. Mar 17, 2021 · The air conditioning is a blessing, especially in hot temperatures. Nov 13, 2023 · The heater fan on my Merc E220 CDI S212 stopped working recently. Finally, check the AC evaporator to see if it is frozen. Is there anything else the mechanic should be aware of before connecting me? No, there isn’t. Where do I start? I have already checked Car AC Repair Service How much does a Car AC Repair cost? On average, the cost for a Mercedes-Benz E350 Car AC Repair is $372 with $176 for parts and $196 for labor. 2012 Mercedes E350 AC Light Blinking Issue Explained E350 often faces AC compressor clutch failure and faulty blower motor resistor causing fan issues. Apr 5, 2024 · How To Deal With Evaporator Sensor Failure Identify the Problem: The first sign of an evaporator temperature sensor failure might be your car’s air conditioning (AC) not cooling properly or fluctuating temperatures. Oh, and these vehicles are much more complicated and sophisticated than a Dodge- my husband has one Replacing the HVAC Blower Motor and Regulator (W211 E350) AC suddenly stopped blowing air, attached diagnostics scanner and pulled codes. Added freon to check if compressor was fine. Any thoughts? Sep 8, 2008 · What if problem didn't occur until car is out of warranty? I have an 06 E320 CDI and I just experienced this air conditioner problem on the way back to Dallas from Chicago. While replacing the engine, I disconnected the A/C hoses at the condenser and also The most common reasons a 2008 Mercedes-Benz E350 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Get expert fixes, case studies, and prevention tips in one guide. Climate Control Fuse Location c200 c220 c250 c300 c350 Replacement Fuse Big: https://amzn. Changing the fan speed does make the blower get louder, but there's no noticeable difference in air output from. 2010 E350 Air/Heat Not Blowing: Troubleshooting HVAC Fan Issues E350 often faces blower motor failure and resistor pack issues causing no airflow from vents. The mileage on my vehicle is approximately 84,000. Aug 10, 2016 · I googled "Mercedes A/C blows hot air on left side and cold air on right side". Ensure your car's air conditioning system operates efficiently for comfortable driving. 3lb difference will make the system inefficient and never reach the temp it should. In this video I show you how to reset the Mercedes-Benz air conditioning system in order to work again. AC blower blows at high speed but very little air comes out the vents Mercedes Benz E Class 2014 E300 AMG 120000 miles Air conditioner doesn't cool Identify and address a faulty Mercedes-Benz evaporator core with our comprehensive guide. 13K subscribers Subscribe Mercedes-Benz of Boerne invites you to learn why your car ac is not cooling properly. Aug 11, 2021 · I have a 2007 GL 320 cd 4matic. Mercedes Benz E350 owners have reported 1 problem related to air conditioner (under the equipment category). When the A/C is turned on the red led flashes 5 times and shuts May 30, 2010 · I had this same exact problem with my 2006 ML 350. Check system pressures: low side should be around 30-40 psi, high side 150-250 psi when running. If there is a problem with the airflow of your E350‘s air conditioner, like it barely blows air, there may be a problem with either the cabin filter or the vents. After diagnosis by a mechanic, I was told that I need to replace the faulty a/c pressure switch. I know the stress that no AC can cause. The reason I ask is the blower regulator failure seems to result in a completely Sep 15, 2010 · Mercedes-Benz E350 Failed Digital Heater Control Valve May Cause Poor Heat Output - 29 reports. Jan 2, 2025 · First, check to see if the AC compressor is operational. Common issues with these systems include low refrigerant levels, faulty wiring, or faulty components such as the condenser or compressor. Cal. I'm sharing some background leading to Mar 14, 2025 · Discover common Mercedes Benz air conditioner problems, causes, owner feedback, and recall information to stay informed. The red AC light flashed and then we Mar 7, 2025 · Explore common Mercedes Benz AC compressor problems, causes, owner feedback, and recall information to stay informed. Worked well, biting cold back, but since a leak was suspected, the coolness was gone the following day. If there are low refrigerant levels, the system will need to be Jul 27, 2018 · Well, I had the same problem with my 2004 S430. So I greatly hope this helps future Mercedes owners. Topped up coolant and still nothing. In many cases, you can add R134a Recall Information At Mercedes-Benz, your safety is our priority, and we’re committed to keeping you informed about any applicable US recall campaigns that may include your vehicle. Aug 21, 2025 · Mercedes AC and Climate Control Problems explained: from weak cooling to bad odors. 6lbs w/out rear AC, a . A helpful guide for troubleshooting electrical issues. This video will show a quick and affordable way to top off your A/C system and get it blo Jan 14, 2025 · The most common reasons a 2011 Mercedes-Benz E350 AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Issues with the AC unit can be caused by a number of issues, but the more common ones include: AC compressor issues, a refrigerant leak, a bad cooling fan unit, a worn-out evaporator, a slow blower motor, condenser leakage or electrical issues like a shoddy actuator. Mercedes Benz AC Air Conditioning Fault Finding & Reset Diagnostic Kit Driven By Satch 159K subscribers Subscribe Jun 20, 2009 · 2009 E350 sedan rear passenger A/C vent blows warm airshould be cold. They said the aux fan belt was missing and replaced it. May 7, 2024 · AC in car stopped working Mercedes? Learn the common causes and how to fix your cooling system fast with this simple diagnostic guide. Cost me $485 at my mechanic, not the dealership. Apr 28, 2015 · 1999 ML430 Today, I got the dreaded loud clicking coming from behind the middle dash vent. I have AC but no heat. If the air is not cold, it might be because of the following reasons. The A/C system on your Mercedes-Benz includes many sensors and components, including the air conditioner compressor. Passenger side air is as cool as what it was before. These parts are not cheap . Jul 18, 2021 · Hi, Assistance with the solving the problem detailed below would be appreciated: When the air conditioning is on - no cold air is being blown into the cabin. Spec for my car is 2. In addition the recycle AC does not work either. May 31, 2011 · I appreciate everyone's help, and hope this returns the favor. Jan 27, 2010 · :crybaby2 please help me!!!!!!!! I have a mecedes 320 tdi 2003 which gives a VERY bad smell through the air conditioning and heating. We evacuated the system completely, charged the system up with R134 as it was low May 7, 2013 · Solution is to RECHARGE the AC system, then have the diagnostic computer connected to it and reset the AC system as it shuts down automatically to prevent it from working as it has not got any gas in it. Refrigerant pressure seems really high at 30 bar Apr 13, 2022 · Mercedes-Benz E-Class – (Gabriel Nica / Shutterstock) The most common causes for Mercedes-Benz E-Class AC not blowing hard enough are clogged cabin air filter, dirty evaporator coil, and frozen evaporator coil due to low refrigerant. Ac won’t cool Mercedes Benz E350 2014 3. I found several threads that said low refrigerant could cause this problem on Mercs a few years older than mine. I removed the vent and to the far right I could see the white actuator cycling between hot and cold by adjusting the temperature control. This article will overview the A/C system, common problems, and repairs you can perform independently. Feb 9, 2022 · The blower motor is the central component of the air conditioning system in Mercedes-Benz E-Class, responsible for blowing hot or cold air through the AC vents. The most common reasons a 2013 Mercedes-Benz E350 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. . Mercedes 2014 e350 coupe air conditioner wasnt working, replaced Blower motor and capacitor plate, air came right on but Find a detailed fuse diagram for the Mercedes E350, including fuse locations, numbers, and functions. Customer: I have a 2012 Mercedes E350 that is experiencing an AC issue. Apr 3, 2023 · Warmer weather and the compressor clutch on my 30SEC is not engaging. The pressure in low and high pressure hoses were steady - so I want to beleive teh compressor is working fine- so what else could go wrong I have a 2011 e350 and the AC fails to blow cold air once I trunk it on and would work after I turn it back off and on Sep 2, 2022 · Hello, I'm having similar issues to MBenz17 (W211 Air Conditioning Issues) with my '06E350 and hope someone can advise me! Background is that A/C was working fine before January when original engine locked up. What these are and what you can do about it, we explain in this article. Customer: Hi, I own a 2011 vehicle model, and the air conditioning suddenly stopped working one day. Inspect the blower motor resistor pack, as failure here can stop fan operation. I have a 2008 E350 4Matic. 5 hour drive in the Alabama summer yesterday, my AC stopped working. I found a lot of carbon dust by the fan motor so I used air compressor and blew all that dirt out and then sprayed some contact cleaner into the carbon brush area. Sites on the internet tell me to turn my key to position 2 and then press both the defrost and air recirculation buttons at the same time and hold them down for 10 seconds until the LEDs flash. Background - A lot of owners Mercedes vehicle owners living in humid states must be already aware of this well known issue- Due to bad design of the air conditioning on various Mercedes models, these vehicles emit bad odor from the air conditioner vents. In short: If there is a problem with the airflow of your E350‘s air conditioner, like it barely blows air, there may be a problem with either the cabin filter or the vents. I am trying to track the reason and documenting my efforts here for myself, as well as for others to make comments and suggestions. In this case study, we explore a In short: If there is a problem with the airflow of your E350‘s air conditioner, like it barely blows air, there may be a problem with either the cabin filter or the vents. If you are low on refrigerant you will see bubbles in the sight glass whilst running the air con, indicating an undercharged system. Aug 12, 2024 · Mercedes AC Not Working: Case Study in Mercedes Benz C Class W205 A Mercedes AC not working can quickly turn a luxury driving experience into an uncomfortable one, especially during hot weather. A blinking AC light with only the fan running usually indicates a compressor or electrical fault. Jul 30, 2014 · We have a 2003 ML350 which we love. Do you still sweat while driving your Mercedes-Benz GLE350? Your air conditioning system no longer cools properly? This can have different causes. What could be the problem? It is a expensive to fix it? Thanks, Mar 18, 2025 · Explore the Mercedes-Benz cooling fan problem, including causes, owner feedback, and important recall information. We are taking a trip through the desert soon, so we REALLY need it to work for 8 hours straight. Jul 14, 2010 · Hi i'm new to this forum and i just recently tried to use my ac since the weather's getting really hot. All other vents blow cold air OK. Learn the step-by-step reset process, preventative measures, and when to seek professional help. Air conditioning problems Air conditioner Mercedes Benz E350 2012 Coupe 138580 miles Air conditioning Trunk My trunk want open with key fob or mechanical key Dayron from United States 8 days ago WHY AC DOES NOT WORK MERCEDES W212 E CLASS E350 E400 E250 E200 E220 E250 CDI BLUETECIf you have Mercedes W212 E Class and the A/C does not work, AC does not Sep 7, 2023 · Hi, I have a 2013 W212 E250 CDI, recently the air con stopped blowing cold and the radiator fan is constantly going at full speed. I brought the car to Halfords to see if it needed re-gassed, but the device that was used to determine if the gas level was low had the Apr 13, 2025 · Mercedes air conditioning fault codes are specific codes generated by the vehicle’s onboard computer when it detects a problem within the A/C system. This issue is observed in humid regions Oct 30, 2020 · Hi to everyone Idk if its the right section to post my issue actually but I need some help to solve the fault I have w211 e240 05 model , sometimes when i turn on the ac its giving a hot air , i need to turn it off and on many times or switch the car off then on to let it start cooling again Jun 12, 2024 · Air Conditioner Not Cooling If your air conditioning system is not blowing cold air on a hot day, then this is one of the most apparent signs that your climate control system is not working. It still blows hot air and the red AC light Jul 12, 2014 · One problem related to air conditioner has been reported for the 2010 Mercedes Benz E350. Oct 25, 2022 · 1. A/C stopped cooling. That seemed to have fixed it Air conditioning problems Air conditioner Mercedes Benz E350 2012 Coupe 138580 miles Air conditioning Trunk My trunk want open with key fob or mechanical key Dayron from United States 2 months ago Warm A/C air in the 2011 E350 W212 can result from low refrigerant or a malfunctioning expansion valve. Aug 8, 2023 · Although they’re are a big name in luxury cars, many people report issues with the Mercedes air conditioning system. Read now! Jan 14, 2025 · The most common reasons a 2015 Mercedes-Benz E350 AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. The solution is simple: your air conditioning system may need recharging. The A/C compressor is the heart of the system. I attempted to replace the climate control unit, but it didn’t resolve the problem. Jun 23, 2025 · Mercedes-Benz E350 Mercedes-Benz E350 fan not working while other functions operate normally - 1 reports. Nov 19, 2022 · I have a Mercedes 2013 GL450, and A/C has a issue - #1 when cooling, the air is not cool or cold; #2 the outside unit is not running at all (because I The most common reasons a 2016 Mercedes-Benz E350 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Your car’s air-conditioning not working is because of a failing compressor or a freon leak. The pressure got so low that the on board computer disabled the compressor. Mercedes Benz is aware of this Explore solutions for your 2007 Mercedes-Benz E350 AC issues, including refrigerant leaks and compressor repairs, with estimated costs from RepairPal. Latest problems (see without answers) Battery drainage Mercedes Benz E350 2009 E350 159000 miles Battery died Dec 10, 2009 · Hello, The heating / AC blower in my car is intermitently failing, tends to work at the start of journies but not after 10 minutes or so. I’m experiencing an issue with the AC controller. It MUST be charged to spec. Our technicians are trained to inspect and repair 2014 Mercedes-Benz E350 A/C systems. May 7, 2024 · Mercedes air conditioning need servicing? Our comprehensive Mercedes air conditioning guide is here to show you how to keep your system in top shape and avoid annoying and unnecessary costly repairs. When the A/C is turned on the red led flashes 5 times and shuts Luckily, many common air conditioning problems in Mercedes-Benz models are fixable with a bit of know-how and the right approach. Aug 7, 2018 · My 07 E350 with a little over 250,000 miles has developed a problem with the air conditioning during the beginning of this summer. Thankfully, True Auto Repair has repaired Mercedes-Benz air conditioners countless times, so we can diagnose and fix your Benz AC quickly. My friend told me something about the A/C charger, but i'm not very familiar with cars, and i don't want to Aug 25, 2023 · Troubleshoot and fix common AC issues in your Mercedes. May 15, 2019 · Background- A lot of owners Mercedes vehicle owners living in humid states must be already aware of this well known issue- Due to bad design of the air conditioning on various Mercedes models, these vehicles emit bad odor from the air conditioner vents. 9 pounds of freon. 5l 133000 miles Clutch Air conditioning Blows warm air only scan said that clutch is not getting power Toneloc from United States 3 months ago TO CommentSame issue here 2 reports When the air conditioning in your 2008 Mercedes-Benz E350 goes out, head to Firestone Complete Auto Care for Mercedes-Benz A/C service and repair. Mercedes-Benz started offering the Airmatic option in the third gen W211 E-Class in 2002, and continues to do so with the current fifth-generation E-Class. Low side readings of 60 psi or higher. Conclusion – Mercedes Air Conditioning Reset The Mercedes Air Conditioning Reset is a method that lets you reboot your car’s entire air conditioning (AC) system. Anyway, about 20 minutes into a 3. Learn about this problem, why it occurs, and how to fix it. You might also notice that the AC turns off unexpectedly. Problem is noted when heat fails to deliver on cold days/morning/evening when requested by the driver/passenger. Mercedes-Benz GLE350 – (photo by Mercedes) The most common causes that hinders normal operation of air Jul 8, 2013 · I'm trying to reset the air conditioning system on my 2007 E350. There's air blowing out when i turn on the a/c, but it's not cold. While these are the easy to spot reasons that your air-conditioner isn’t working inside your car, a dirty cabin filter or a bad belt may also be the problem. Check engine light came on, Autozone read codes (P0072) indicating problem with Ambient Temp Sensor (center of car inside of lower front grill). 2008 Mercedes Benz E350 with an a/c system not working. A Mercedes air conditioning reset is a possible solution. Took it to the dealer 2 weeks ago. until I begin driving. Jul 25, 2010 · They took this away on later models. "Coincidentally" AC stopped blowing cold air. Electrical System Software Problem For a car with loads of technological features, it is no surprise that the Mercedes-Benz E-Class has suffered a couple of electrical problems with the electrical system’s software at the forefront, taking the lead. Oct 10, 2020 · Hey I’m new so hopefully I do this right if not please guide. The AC comes out of the sides and the windshield side of the dash. Jul 23, 2015 · The center vents stop working a few weeks ago when I had some work done under the hood. HVAC box, disconnect the wire harness and feed it through the cover. How to troubleshoot the Mercedes Benz Air Conditioner System, Read Sensor Data, Reset the Unit If you have this A/C unit, follow these steps to troubleshoot your Mercedes Benz Air Conditioner System. The most recently reported issues are listed below. The problem could be a result of a low refrigerant, a faulty compressor, or a refrigerant leak. to/40DFA5U Assorted Fu Dec 20, 2019 · More than 2. Jun 11, 2025 · Ever turned on your Mercedes AC only to get warm air or no response at all? Your luxury car's climate control system might just need a reset. Jun 23, 2025 · Mercedes-Benz E350 Mercedes-Benz E350 vibrations when A/C is on, faint when A/C is off - 2 reports. Symptoms: When the a/c works, it works - blows really, really cold Sep 16, 2022 · The most common causes for AC blowing hot air in Mercedes-Benz E-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. MERCEDES W204 Climate Control Not Working. AC not cool anymore. Jun 16, 2020 · I posted this in the W210 forum earlier, not realizing there was a W212 forum. HVAC blower motor assembly sits under the passenger dash. I have a 2007 MB E350 the air conditioner does not work. Stop by today to enjoy some free air conditioning and an A/C performance check. In addition, air does not blow from the center vents. Simply enter your 17-digit Vehicle Identification Number (VIN) to see the most complete and up-to-date information on current or previous recalls. Jan 29, 2016 · Is it possible that an almost bad heater control unit to cause intermittent a/c issue? The a/c cold air comes fine on rare occasion, and then some warm air, and then will start blowing the ambient air (which in TX these days is mostly high 90s). Aug 17, 2024 · Is your Mercedes air conditioning not working? Learn the top causes refrigerant leaks, sensor faults, and how to fix them step by step. The change over valve, controls how much (hot) coolant should go through the heater core. This issue is observed in humid regions (like the South) in summer. I suspect an electrical problem, but I have been wrong before. Aug 7, 2020 · Hoping someone might be able to help me out! 2012 W212. Average repair cost is $20 at 36,500 miles. Our guide helps diagnose problems for a comfortable driving experience. The local Mercedes people wanted $550-$750 to fix the problem. Jan 14, 2025 · The most common reasons a 2014 Mercedes-Benz E350 AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. Mar 17, 2021 · Do you still sweat while driving your Mercedes E350? Your air conditioning system no longer cools properly? This can have different causes. Sep 22, 2024 · Mercedes AC Not Cold Enough: Diagnosing and Fixing the Issue in a Mercedes-Benz W222 When a driver reports that their Mercedes AC is not cold enough, it’s more than just a comfort concern it’s a sign of a deeper issue within the air conditioning system. I was going to just book it in for an air con regas but decided to check for any codes or anomalies before I did. Car sat for a few months until I put the new battery in. opz fdkvk fsrrrql futryioz mhrkv zqjeofyq xcmh uesfs pjgfea igdvl