Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. - Why Does. They have markings that indicate low and high temperatures. Make sure that the engine is cold before you start replacing the thermostat on your Mercedes-Benz. Normally it runs just above 80C. Your location and vehicle may affect the price of Thermostat Replacement. Flat rate pricing based on labor time and parts, Trusted mechanics, rated by thousands of happy car owners, Hand-picked, community-rated professionals, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Number of Mercedes-Benz ML350 services completed, TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS, Mercedes-Benz ML350 V6-3.5L - Battery - Missouri City, Texas, Great Job.. Courteous, on time and professional. . 2006-2006 S350 In Mercedes-Benz E, C, S, CL, CLK, SLK, GL, G, and ML models, the engine control unit monitors how long it takes for the coolant to warm up. When you start your car in the morning and turn the key to on, the coolant temperature sensor immediately reads the temperature of the coolant and relays this to the computer indicating that the coolant is cold. Today, an increasing number of new vehicles dont have temperature gauges. Injection engine models are available with operating temperature characteristics from 95 to 114 degrees. . Chevy didn't make a Blazer in 2002. $533. Temperature Warning Light is on Inspection Service How much does a Temperature Warning Light is on Inspection cost? With this information, you can make informed decisions about repairs, maintenance, and upgrades to keep your Mercedes-Benz running smoothly. Before the gauge reads above normal the fan should operate. Most cars made during the last 20 years have dumb-down temperature gauges. If I'm not mistaken, this is normal. If you have sausage fingers you might struggle. Its better to play it safe than risk having to buy a new engine. The blue light goes off once the engine reaches its normal temperature. Vehicle swings but wont Start, thank you for taking the time to put this information out have a good day. You can verify this by reading the ECU fault codes. However, if youve noticed the car is running hotter than normal without any mitigating factors, its a sign that somethings going wrong. If possible, let the engine cool for an hour and check the coolant levels. And turn the AC system on to see if it automatically goes on (it should). My situation is the same as yours. 2014 Mercedes glk 350 coolants temperature sensor. Not sure. My other half did 4 trips yesterday of 25 miles each way, on small Sussex 'A' roads. . is this the problem you are all taking about? You may need to remove the sensors and clean them off. Kent. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. So whats the problem? A tip of the hat to you for being aware and for addressing it promptly. Mine seems to sit at 80 with fluctuation to 90 and a tad under 80 depending on driving conditions. The coolant flows through the engine, and then back into the radiator. They are different about 4 inches longer. Is it a problem if I drive around with the thermostat always open? I'd expected it to be a standard waxstat but it's an ECU controled motorised affair. Anything over 100 and you should have it checked out. I'd still be inclined to check the coolant one first as it's a 5 minute job vs 1 hour+ if you are lucky on the 170. 2001-2002 S55 AMG Faulty coolant temperature sensor: The temperature sensor takes constant readings of the coolant temperature and sends that information to the engine control unit. But they are located on the left side of the engine , closed to the oil filter. I have checked the radiator on a number of occasions and the level looks fine (i.e. I saw one of the sensor. While there is a small chance that there is an issue with the running temperature of your engine, by far the most common issue with trouble code P0128 is a faulty thermostat. When I turn it on it obviously starts at 40 but within seconds it goes up to 60 then climbs up quick to almost the 100 mark and thats just within less than 10 minutes. In most cases, you will get a P0128 - Coolant temperature below the thermostat regulating temperature fault code. 1 Like blanca.garcia818 February 24, 2017, 10:25pm #5 Im assuming it would be C or am i wrong? Every car has its own normal range, but if youve noticed that your car is running hotter than normal, it may be a sign of an impending problem. With its user-friendly interface and powerful diagnostic capabilities, you can save time, money, and frustration by diagnosing and resolving issues with your Mercedes-Benz quickly and efficiently. Broken or missing air dam: Along with the shroud, some vehicles have an air dam (or deflector) underneath the vehicle. Add coolant to the radiator expansion tank. The engine should not . My other half did 4 trips yesterday of 25 miles each way, on small Sussex 'A' roads. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! If your coolant level is low, there is a chance it is pushing air into the cooling system, and the coolant temperature sensor will not read the coolant temperature correctly. On the other hand, excessively hot engines could cause smoking that leads to fires. Broken radiator fan shroud: The radiator fan shroud directs the airflow across the radiator so the air can absorb the coolants heat. At first I thought it was when the engine was increasing in temperature (getting up towards 95C), however over the last . 1998-2005 CLK320 It may also be necessary to test drive the vehicle to get the coolant up to operating temperature to verify the higher than usual temperature reading. This acts as a high speed option for the fan, and when engaged, it draws more air across the radiator. Overall, the YOUCANIC full system diagnostic scanner is an invaluable tool for any Mercedes-Benz owner or technician looking to troubleshoot problems quickly and accurately. . CARS.COM Wondering whether or not you should be worried about your engine overheating? Too little or even too much antifreeze can dramatically lower the boiling point of the coolant. There are many quality Buy a brand new battery that is fully charged prior to installation so that you do not needlessly load the alternator. There are a couple possibilities. 2002-2007 ML500 Yep, mine sits a fraction over 80C, although it is difficult to get a direct on view on the gauge due to the wheel. I wasn't expecting such a mass of replies! The Fora platform includes forum software by XenForo. If this is broken or missing then the air can pass underneath the vehicle but not also through the radiator, which will cause overheating. A professional mobile mechanic will come to your home or office to inspect both the temperature gauge and your cars cooling system. If it has started sticking, but hasnt quite given up the ghost, its possible to see higher engine operating temperatures without overheating. Yes, your engine is completely different. Mercedes-Benz R350 251.165 2006-2009 2010-2011 GAS owners like you. I dont know but its almost to the highest number 120 where its marking red. Your Mercedes. 2001-2006 CLK55 AMG What are the Common Symptoms of the P0117 Code? Temperature Warning Light is on Inspection, Mercedes-Benz ML350 Power Steering Fluid Service, Mercedes-Benz ML350 Electric Problems Inspection, Mercedes-Benz ML350 Air Injection Hose Replacement, Mercedes-Benz ML350 Lights (Headlamps/beams/brakes) Inspection, Mercedes-Benz ML350 CV Axle / Shaft Assembly Replacement, Mercedes-Benz ML350 Brake Caliper Replacement, P2062 OBD-II Trouble Code: Reductant Supply Control Circuit Open, Understanding the Mitsubishi Routine Maintenance Required and Service Indicator Lights. You can verify this by reading the ECU fault codes. Ensure that you have a new gasket for your thermostat. 1998-2003 ML320 Without coolant, the engine would quickly ruin itself with its own heat production. Bad water pump: The water pump is responsible for keeping the coolant cycling throughout the engine. This scanner can help you identify error codes, read live data, and perform special functions like reset adaptations or perform component tests. Our certified mobile mechanics can come to you now. The most common causes of P0128 include: Low coolant level (an air pocket trapped at the engine coolant sensor) The engine coolant thermostat is stuck in an open position or is opening too soon. We have just acquired a 10 months old ML 350 in dark blue. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. With the exception of older, air-cooled vehicles, cars rely on a liquid called coolant (or antifreeze) to keep the engine at an optimal temperature. The thermostat can fail in open or closed positions. Instantly book a certified mobile mechanic to come to you, Mechanic diagnoses the problem and quotes necessary repairs, Fair, upfront & transparent pricing for all services. It pulls up and away from the engine. In extreme cases, driving a car with an overheated engine even a short distance can destroy the cylinder head, engine block or internal parts. I have now replaced the coolant sensor, but unfortunately the problem persists. I believe the fans are turning as intended, but I will definitely check. I'd certainly say its low but iirc the 350 euro6 runs a little cooler than other things, when I took a drive in one a few weeks ago it seemed to sit at 80 rather than 90, See what others say as I could be wrong. It may not display this or other websites correctly. We talked to mbz. I hear gentle "ta ta ta" sound randomly, special when I start and stop the engine. If a red or yellow temperature warning light comes on, assume the worst: get off the road, shut off the engine and call for help. The mechanic will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. Required fields are marked *. Joel was very professional and very detail on the issue I had with my vehicle. There are many possible reasons that your engine is running hot, including low coolant levels, a clogged or closed thermostat, a failed head gasket or a water pump malfunction. Suggest thermostat as your first suspect. And a week for a Smart Roadster while you wait for the skin grafts to the back of your hands to heal. But at no time did the engine coolant temperature gauge get over 60 degrees. You may need a new thermostat, a coolant system flush, or simply a system burping, but since this is a change in its operating temperature you should get this diagnosed and corrected. Modern automotive diesels engines should ideally run circa 90C to obtain optimum efficiency. Over time, they age and deteriorate. Youre in for an expensive tow truck visit to unlock your car, and it could take hours P2062 P2062 code definition Reductant Supply Control Circuit Open What the P2062 code means This code means the Engine Control Module (ECM) (https://www.yourmechanic.com/parts/engine-control-module), or Powertrain Control Module (PCM), doesnt see electrical current flowing when it commands the pump on. this perishes and forms small holes. The temperature should never come down to below normal until engine is shut off. It could also be something as simple as sitting in bumper-to-bumper traffic on a hot summer day. :-(. Ensure there are no coolant leaks near the thermostat. Our certified mobile mechanics can come to you now. Start the engine. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. This code points to issues with the ECT sensor and high engine coolant temperature. 1998-2004 E320 And, if it never exceeds that on a long drive, you should be good to go. Also noticed a pair of thick red wires on the fender side in the same spot had some badly damaged insulation and tape that up with some electrical tape. Check your coolant level as directed in your manual, though. Also, I saw an mpg figure on the trip computer today starting with a '4' - definitely a first! moving because it provides true engine temp data not just That way, if the needle starts creeping up higher, closer to the hot mark, youll have early notice that something is wrong in the cooling system. Need a fuse . Everything was good according to the mechanic. In this case, the Check Engine Light may come on. Real customer reviews from Keeping the gauge at center during normal operation does not distract the driver like an accurate gauge would. Mercedes-Benz GLK350 204.9872010-2011 Sep 22, 2010. I just took it yesterday to get the oil changed brakes flushed and fluid levels checked. All are critical to the operation of the system, and if one starts to go south, you may experience higher operating temperatures than normal. A Mercedes Benz Ml350 Engine Coolant Temperature Sensor Replacement costs between $474 and $570 on average. The coolant temperature danger point is 120C (248F). Instead, they have a warning light that (usually) glows blue when the engine is cold one way of telling you that turning on the heater will generate cold or cool air. If you look at the header tank the sensor is an insert that screws in from underneath i.e. Recently purchased a 2012 E350 Diesel Estate. By accessing real-time data from these control units, you can pinpoint the root cause of the problem and take appropriate action to resolve it. http://forums.mercedesclub.org.uk/showthread.php?t=47890&highlight=coolant+level+switch. I hear gentle "ta ta ta.." sound randomly, special when I start and stop the engine. The gauge appears to be at approximately 90 degrees Celsius. Mitsubishi's Routine Maintenance Required lights indicate when your car needs service. full). Once you confirm that your thermostat has failed, follow the instructions below to learn how to replace it. Does anybody know the location or happen to have a diagram for this engine that might include some insights? This is important for the engine. Mercedes-Benz SLK350 171.456 / 171.4582005-2012, Hi.i have a C270 CDI(2005)auto(South Africa) Get a free detailed estimate for a repair in your area. It starts at 40 but within 5 minutes the gauge moves up pretty quick to 95C Its never happened. Over recent months I've been getting the coolant level low warning light coming on intermittently. In this case, the Check Engine Light may come on. If your car is equipped with dual automatic climate control technology, you have an advanced system capable of maintaining not only a different temperature for the driver and front passenger, but of doing so automatically. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. You are using an out of date browser. In most cars, the temperature needle will be at or near the center when the engine is at normal operating temperature, which usually takes at least a minute or two to reach after starting a cold engine. As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection. TheYOUCANIC full system diagnostic scanner is a powerful tool that can help you troubleshoot Mercedes-Benz problems quickly and efficiently. Refitting is tricky with the pipes, cables, etc. In this case, the pressure in the cooling system can reach 3 atmospheres. Real customer reviews from I test drove a brand new ML500 and noticed it was a bove 80 as well. We are being told that the balance shaft is bad and needs to be replaced for $6446.82. jack up front O/S, remove road wheel, remove inner arch and remove washer bottle. If its low, then the system doesnt have enough fluid to do its job correctly. Once the 160-degree F threshold is achieved, the recorded car engine temp has to fall below 160 degrees Fahrenheit while operating. Your email address will not be published. Remove each duct by compressing them towards the engine and slipping them off the air inlet. Pushed her to the side looked everything over and basically let it cool down for about 15 minutes, then it started. That must be 95 degrees Celsius which is 203 F Right where it should be. I have actually spoken to my dealer's workshop people who made similar comments and everyone seems to agree that the 112 engine runs at bit above 80c and then goes up to about 85c+ if sitting in traffic/ restricted air flow. Or a new car. If youre stuck in traffic on a hot day, this would be normal. They don't have a new one in stock. 2005-2005 E320 4Matic Manufactures have designed their temperature gauges to display in the center of the gauge when the engine temperature is between 180F and 240F. Coolant is a mixture of water and ethylene glycol, and it circulates around the engine block and absorbs excess heat, which keeps the engine from overheating. That is what we will consider next and also . full). 60 degrees C is too low, I doubt it was that low before. and. Those selling prices were ML's purchased from hi-volume metro/near-metro dealers on in-stock ML's at end-of-month Nov or Dec. Dealer margin above invoice is 6%, and about 5% back-end profit depending on dealer target sales performance - but in peak-season Nov and Dec MB was adding marketing dollars $2K-$4K, in essence rebates back to the dealer. 2023 Not even close for my 1992 300D 2.5 Turbo. I kust think its weird that its never done that to me until maybe 2 weeks ago, I kust think its weird that its never done that to me until maybe 2 weeks ago. Change the engine oil and filter. Ill post a picture when I get into my car and start it. Thanks everyone for your responses. So if your E350 CDI is running low temps get it fixed ASAP. YourMechanic All rights reserved. 1998-2002 E430 Its a sign that something has gone awry. So, what is the normal engine temperature for a car? The coolant converts that heat to air in the radiator, and then the air is emitted, at which time the coolant is ready to absorb more heat. After the coolant transfers its heat energy to the air, the water pump recirculates it around the engine so that it can absorb more heat. I got my new 2012 ML350 about $7800 bellow MSRP. You are using an out of date browser. You must log in or register to reply here. Most vehicles also have an engine temperature gauge that shows just how hot the engine is. $481. 2003-2006 CLK500 You should not come close to this in Winter. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. At idle observe the dash engine temperature and fan. . Can anyone confirm my assumptions are correct and if so then is this simply changing the sensor and would that be covered under Warranty? 1998-2000 C280 The temperature start from 80 when start and run up to 90-100 when driving. Mercedes-Benz Fins built into the radiator help disperse the heat as air passes over them. If there is no place to safely pull over, turn off your radio and other electrical units, and turn your heat on high (this will funnel some of the hot engine air into the cabin). If the thermostat fails in the open position, it prevents the coolant from reaching normal operating temperature resulting in an engine that does not warm up properly and an engine warning light illuminating. BMW 3.0d six cylinder engines suffer with their stats 'going off' resulting in reduced running temps, this in turn can lead to other problems such as failed DPF regens, leading to expensive bills. Did Billy Graham speak to Marilyn Monroe about Jesus? The exact location of the thermostat and issues related to a damaged thermostat may vary depending on your vehicle. 60 C is only around 140 F; Im surprised you didnt ever get a CEL light on with a code for low temperature. I read that the engine temp should stay around 80, but my car sits closer to 100. 3. On my gauges, GMs generally rest at just under half for proper temp, Ford generally right at half or even just above halfway. A top-rated mobile mechanic will come to your home or office to determine the cause of the temperature warning light turning on and the source of the overheating, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. The thermostat has a rubber diaphragm between the moving plunger and the thermostat body. E350CDI (S212) 2010. For a better experience, please enable JavaScript in your browser before proceeding. (on top) It is between the ECM (engine control module aka the engine computer) and the alternator. Our ml 350 has 132213 miles as of 10-2-18, and it's got an engine fault of 1208 camshaft. When the fan shroud breaks or becomes dislodged, air fails to enter the radiator, and the coolant will no longer have a place to direct the transfer of heat. The proper ratio of coolant to water can also get distorted, resulting in a problem. On average, the cost for a Mercedes-Benz ML350 Temperature gauge is maxed out Inspection is $95 with $0 for parts and $95 for labor. If its getting to 105C as you mentioned in an earlier post and then dropping back to 90C, than either your thermostat is sticking (highly likely) or you might have some air entrapped in the system. owners like you. A faulty engine coolant temperature sensor or one of the wirings connected to it can cause the P0128 code. Garage have just confirmed that thermostat is stuck open and will be fixed under warranty. It started when the car needed service. When the coolant temperature sensor notices that the coolant temperature is getting too high, the engine control unit (on newer vehicles) will initiate the cooling fan to reduce the temperature. In some vehicles, the needle may never reach the middle of the gauge, so dont be alarmed if it stops short of the midpoint. The service manual indicates the engines thermostat should begin to open at between 88 and 92 degrees Celsius, the normal operating temperature should be 90 to 95 C. The gauge does appear to be high but is normal. 2001-2002 CL55 AMG Always use an original MB stat (about 130 from MB Newcastle) and it's also good practice to replace the coolant/antifreeze mix at the same time. 2000-2003 ML55 AMG I actually think that it had been misbehaving for most of the last year as the temperature gauge is now totally stable, which it never was before. Is Brooke shields related to willow shields? mine slowly dropped from 92 to 50 over 6 months and over winter. 2001-2005 C320 2001-2005 C240 Mercedes Engine Temperature Reading From Cluster iRepair Autos 74.5K subscribers Subscribe 78K views 5 years ago Temperature reading on your Mercedes is not always apparent. Only when the operating temperature is reached, do you get the best fuel efficiency and minimal wear on the engine? The coolant temperature warning light turns on when your engine is sensed to be too hot and is at risk of damage from overheating. The electric wiper motor has failed or blew a fuse, or the problem is in the wiper transmission linkage. Fortunately, most modern vehicles have a gauge that displays a constant temperature reading of the coolant circulating inside the engine, giving the driver an early warning about a problem in the cooling system. Some common signs of a failing power steering control valve include a power steering fluid leak or the smell of burning power steering fluid. 2003-2004 G55 AMG

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