This article wont help if you have a diesel engine. Join Date: Sep 2018 Location: Einbahnstrae Below is a list of the most common symptoms of this trouble code: 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. I have taken out the sensor today from underneath the coolant expansion tank and with the sensor disconnected from the harness I get a reading of 100 ohms. Vehicle swings but wont Start, thank you for taking the time to put this information out have a good day. Injection engine models are available with operating temperature characteristics from 95 to 114 degrees. If you have sausage fingers you might struggle. An overheating engine is extremely dangerous. As soon as you notice the light come on, pull over. This is important for the engine. Ensure there are no coolant leaks near the thermostat. We are glad that you find our site helpful. Low fluid can be caused by many things, including not properly topping it off after draining the old coolant, and leaks from various parts, such as one of the radiator hoses, the water pump gasket, a damaged or open bleeder valve and more. Car is running hotter than normal Inspection, Mercedes-Benz ML350 Headlight Switch Replacement, Mercedes-Benz ML350 Brake pressure is uneven Inspection, Mercedes-Benz ML350 Fuel door won't close Inspection, Mercedes-Benz ML350 Fuel Gauge Sender Replacement, Mercedes-Benz ML350 Exhaust fume odor in car Inspection, Mercedes-Benz ML350 Ambient Temperature Sensor (Switch) Replacement, Mercedes-Benz ML350 Loud noises when car is put in gear Inspection, Mercedes-Benz ML350 Camshaft Seal Replacement, Mercedes-Benz ML350 Car Mirror Control Switch Replacement, Symptoms of a Bad or Failing Battery Temperature Sensor, P0289 OBD-II Trouble Code: Cylinder 10 Injector Circuit High, How to Replace a Power Steering Control Valve. 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. Reply Like 04-18-2023, 12:14 PM # 2 chassis Out Of Control!! Is it 95C (which is perfectly normal) or 105C (248F)? $533. 0. The Editorial department is independent of Cars.coms advertising, sales and sponsored content departments. 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. Recently purchased a 2012 E350 Diesel Estate. If you have the supplies on-hand, consider topping off the radiator with a 50/50 mix of antifreeze and water or a premixed coolant. As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection. Read full answer. Mercedes-Benz C280 203.0922006-2007 jack up front O/S, remove road wheel, remove inner arch and remove washer bottle. Sometimes there are two Temp sensors. The car did do a regen a few weeks ago - and got up to 80 in traffic on Friday, but we will get it checked by Mr Garrlick shortly Well, we had a new thermostat fitted in January. Mercedes-Benz ML350 Engine Coolant Temperature Sensor Replacement Cost 2001-2005 C240 I believe the fans are turning as intended, but I will definitely check. 0 helpful. #1. You can verify this by reading the ECU fault codes. But they are located on the left side of the engine , closed to the oil filter. Generally, the discount off of MSRP that buyers of the 2012 ML350 are getting is somewhere between 5 and 10 percent, with a couple I saw even over 10 pecent off. Fins built into the radiator help disperse the heat as air passes over them. P0117 Code: Engine Coolant Temperature Sensor 1 Circuit Low Can anyone confirm my assumptions are correct and if so then is this simply changing the sensor and would that be covered under Warranty? Your Mercedes. In this case, the Check Engine Light may come on. 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. A proper ratio of antifreeze to water is 50/50 to 60/40, depending on the vehicle. Ill post a picture when I get into my car and start it. A tip of the hat to you for being aware and for addressing it promptly. But mechanic says nothing is wrong I just think something is still up with it since it moves up almost to the red dash mark. I didn't at the time realise it is a magnetic switch so will test again using a magnet to see if resistance changes to less than 5 ohms. 2000-2006 S500 When the engine takes too long to reach operating temperature, the ECU will turn on the Check Engine Light / Warning Light. Replacing the thermostat is easy. Mercedes-Benz 2000-2006 CL500 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. Do not overtighten the two bolts. 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. Sounds weird but look under the car battery and see if a wiring harness is being pinched under the battery, happened to me and fixed it. Temperature Warning Light is on Inspection Service How much does a Temperature Warning Light is on Inspection cost? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. It would always stop climbing when it got to about 95C. The radiator, thermostat and water pump have all been replaced within the last 10K miles.Is the c read more Eric 53,852 satisfied customers What is the normal engine temperature for 1997 Mercedes c280 2023 If you have a. Prices may vary depending on your location. I wasn't expecting such a mass of replies! Garage have just confirmed that thermostat is stuck open and will be fixed under warranty. In some vehicles, the needle may never reach the middle of the gauge, so dont be alarmed if it stops short of the midpoint. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. One of the most important is the temperature gauge, which tells you how hot the engine coolant is. My other half did 4 trips yesterday of 25 miles each way, on small Sussex 'A' roads. Getting to the correct temperature also makes the heater work better and reduces engine wear and improves economy too. An observant driver keeps an eye on the various gauges in the dash they provide important information. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. What is the normal operating temperature (40-120F) for a mer - JustAnswer is this the problem you are all taking about? In most cases, you will get a P0128 - Coolant temperature below the thermostat regulating temperature fault code. Did Billy Graham speak to Marilyn Monroe about Jesus? This article shows you. On a more down to earth and practical subject, the owner's manual mentions that the engine temperature may go up to 100 c in hard working situations, which you will all agree sounds rather hot!!! Broken engine cooling fan: The engine has a cooling fan that is deployed when the coolant needs some extra help. This warning light can also be telling you that the electric cooling fan is not working. I removed it out.compare that one to the sensor picture all online. I asked the dealership the same question. 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. 2002-2004 SLK32 AMG P0128 Mercedes: (Causes & Fix) How Long Can You Drive with a P0128 Code 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. The difference that is bothering you is that you would prefer to see the gauge neele "midway" on the gauge - Mercedes gauge is not setup that way, your coolant temps (both cars) is quite normal. 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 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. The thermostat can fail in open or closed positions. I really appreciate it! If possible, let the engine cool for an hour and check the coolant levels. owners like you. You are using an out of date browser. Faulty coolant temperature sensor: The temperature sensor takes constant readings of the coolant temperature and sends that information to the engine control unit. Overheating is the most common cause of an irreparably damaged engine, so you should always take a temperature warning light seriously. Theyre designed to increase the boiling point of coolant by pressurizing the system. The ECT (engine coolant temperature sensor) is located on the driver's side, front of the engine. A Mercedes Benz Ml350 Engine Coolant Temperature Sensor Replacement costs between $474 and $570 on average. The coolant temperature warning light turns on when your engine is sensed to be too hot and is at risk of damage from overheating. It may not display this or other websites correctly. I would check the header tank sensor first as the washer bottle is a b****r to get to, i.e. Mercedes-Benz W204 Coolant Temperature Sensor Replacement - Pelican Parts Our certified mobile mechanics can come to you now. Mohammed is super professional and helpful, very friendly and easy to communicate, expert mechanic, Thank you very much my friend! When a gasket blows and coolant seeps in, the issue is not only that the engine will overheat, but also that damage may be done to the catalytic converter and oxygen sensors due to contamination from the coolant. Watch this short. For a better experience, please enable JavaScript in your browser before proceeding. owners like you. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Keeping the gauge at center during normal operation does not distract the driver like an accurate gauge would. Without coolant, the engine would quickly ruin itself with its own heat production. Mercedes-Benz E350 211.087 / 211.287 / 211.056 2006-2009 2010-2011 GAS Whether youre experiencing issues with your engine, transmission, or other systems in your Mercedes-Benz, the YOUCANIC diagnostic scanner can provide valuable insight into whats going on under the hood. There are several important components here. which dealerships are you guys going to to get 7k off of msrp? So if your E350 CDI is running low temps get it fixed ASAP. Depending on the vehicle, the normal engine temperature ranges from 195 to 220 degrees Fahrenheit (90.5 to 104.5 C). Thanks Shay, Mercedes-Benz ML350 V6-3.5L - Oil Change - Kings Park, New York, Mercedes-Benz ML350 V6-3.5L - Brake Light Bulb Replacement (Passenger Side) - Long Beach, California, Mercedes-Benz ML350 V6-3.5L - Electrical components are not working - Cary, North Carolina. This type of gauge display does not show the normal fluctuation of engine temperature when the cooling fans cycle on/off. Immediately at 95? When it fails in the open position your Mercedes-Benz engine will take a long time to reach the normal operating temperature. It could also be something as simple as sitting in bumper-to-bumper traffic on a hot summer day. Location. If your cap is failing (the seal is generally the problem), then you can expect to see higher than usual engine temperatures. 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. I saw one of the sensor. Thank you so much for everyone's input. The Fora platform includes forum software by XenForo. Mercedes-Benz ML350 163.157 / 164.186 / 164.156 / 164.1252003-2009 2010-2011 GAS JavaScript is disabled. What is the normal operating temperature for Mercedes ml 350? This will not usually result in overheating, but it will waste gas. The Engine Temperature on the Mercedes is Constantly Falling im. A defective engine coolant temp sensor can cause the P0117 code. The outside temperature ranged from 4 degrees in the morning to 8 degrees late afternoon. You should also check when the engine is at full temperature to see if the cooling fan is operating (take it for a short high speed spin to get it hot). TheYOUCANIC full system diagnostic scanner is a powerful tool that can help you troubleshoot Mercedes-Benz problems quickly and efficiently. Now replaced the washer bottle sensor, still persists. The gauge appears to be at approximately 90 degrees Celsius. Labor costs are estimated between $198 and $250 while parts are priced between $283 and $283. 1998-2002 E430 I got my new 2012 ML350 about $7800 bellow MSRP. Deteriorating Hose: Your radiator hoses are responsible for transporting coolant to and from the radiator. Hi, I have recently had a couple of coolant leaks, the pipe going through the firewall (replaced) and then the radiator (replaced) but my Check Coolant Level warning keeps coming on after 20 seconds or so. 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. Instead, you should monitor where it is when the engine is fully warm so that you know what normal is for your engine. They don't have a new one in stock. The thermostat may also stick open. This acts as a high speed option for the fan, and when engaged, it draws more air across the radiator. But it never went down when the mechanic did the service on it. 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.
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