2005-2005 E320 Base For a better experience, please enable JavaScript in your browser before proceeding. With this information, you can make informed decisions about repairs, maintenance, and upgrades to keep your Mercedes-Benz running smoothly. 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. Our ml 350 has 132213 miles as of 10-2-18, and it's got an engine fault of 1208 camshaft. For most cars, the normal operating engine temperature is in a range of 195 to 220 degrees Fahrenheit, though most dashboard temperature gauges don't show an exact temperature. Assuming the crack is more than just a crack in the paint, I would say yes, and here is why. And try a new radiator cap. Mercedes-Benz SLK300 171.454 2009-2011 One of the most important is the temperature gauge, which tells you how hot the engine coolant is. That is what we will consider next and also . 0 helpful. I had the thermostat changed on EmilysMum's Citron C3 the other day. We are glad that you find our site helpful. Reply Like 04-18-2023, 12:14 PM # 2 chassis Out Of Control!! 2002-2008 G500 Noticed that the engine temperature runs between 50 to 65 degrees which seems low to me. Need a fuse . 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. Mercedes-Benz ML350 V6-3.7L - Oil/Fluid Leak - Charlotte, North Carolina, Mercedes-Benz ML350 V6-3.5L - Car Battery Replacement - Orange, California. But they are located on the left side of the engine , closed to the oil filter. 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. All very good for the newer gas models. Prices may vary depending on your location. 1999-2003 CLK430 For a better experience, please enable JavaScript in your browser before proceeding. You can buy a replacement stat online from the likes of Mercedes Benz of Newcastle for circa 130. 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. 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. 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. Remove each duct by compressing them towards the engine and slipping them off the air inlet. The gauge appears to be at approximately 90 degrees Celsius. . It started when the car needed service. 2014 Mercedes glk 350 coolants temperature sensor. P0128 Trouble Code - Diagnosis, Causes, Symptoms & How to - AutoZone You should also check the condition of the coolant (COLD ONLY) for discoloration, gump buildup under the radiator cap, contamination in the reservoir, stuff like that. How tell valve block working S430 220 2000 #1. 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. What are the Common Symptoms of the P0117 Code? . 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. Is it 95C (which is perfectly normal) or 105C (248F)? 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. The proper ratio of coolant to water can also get distorted, resulting in a problem. Powered by Discourse, best viewed with JavaScript enabled. YourMechanic All rights reserved. Thermostats on modern diesels should be changed every 4 years or 50k miles as part of the service imho. 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. 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). Cars.coms Editorial department is your source for automotive news and reviews. In some vehicles, the needle may never reach the middle of the gauge, so dont be alarmed if it stops short of the midpoint. at normal (185 degrees). 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. Attachments 12-1F772F80-806664-960.jpg 31.5 KB Views: 2,966 If the coolant level is low, you need to top up the coolant reservoir. The radiator is probably the most visible, but you also have an upper and lower radiator hose, a thermostat, the water pump, a coolant reservoir and more. After review some comments online, I guess that's normal temperature. Overheating is the most common cause of an irreparably damaged engine, so you should always take a temperature warning light seriously. Its a sign that something has gone awry. But my temperature gauge is it still at 95 everythime i turn it on. Get a free detailed estimate for a repair in your area. Kent. our ML so far has been running a bit above 80 (on the instrument cluster readout) which shows as a couple of degrees above the "horizontal" position As the holes get bigger so the running temp gets lower. 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. It would always stop climbing when it got to about 95C. 60 degrees C is too low, I doubt it was that low before. I'd have thought this would be up around 85 to 90 degrees. which dealerships are you guys going to to get 7k off of msrp? I got my new 2012 ML350 about $7800 bellow MSRP. Over recent months I've been getting the coolant level low warning light coming on intermittently. 1 Like blanca.garcia818 February 24, 2017, 10:25pm #5 Im assuming it would be C or am i wrong? on the up side my MPG improved by an average of 6 and the inside is really warm. You should be very concerned, because an overheated engine can be far more than an inconvenience. Ensure that you have a new gasket for your thermostat. From memory the sensor was 7-8 from ECP. As the other gentlemen said, 205 F is your normal operating temp. is between. For a better experience, please enable JavaScript in your browser before proceeding. Yep, mine sits a fraction over 80C, although it is difficult to get a direct on view on the gauge due to the wheel. . 2000-2006 S500 Im assuming it would be C or am i wrong? Can anyone confirm my assumptions are correct and if so then is this simply changing the sensor and would that be covered under Warranty? I have checked the radiator on a number of occasions and the level looks fine (i.e. This is the same for all MB, not just ML's. My CLK used to do it (coolant level low), but would go out with approx a cup of water added into the header every now and then (my driveway is on a slight slope so I think that added to the problem). 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. 2006-2007 R500 When it fails in the open position your Mercedes-Benz engine will take a long time to reach the normal operating temperature. I've had 2 washer pumps fail over 10 years and it's not a job I enjoy! In this case, the Check Engine Light may come on. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Mercedes-Benz 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. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. 1999-2001 ML430, Mercedes-Benz C230 203.0522006-2007 1999-2006 SL500 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. When it fails in the closed position, it can cause your engine to overheat. Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. However, AFAIK BMW have never admitted to this problem and don't replace low running stats under any warranty. I did have to replace the sensor on ours. Manufactures have designed their temperature gauges to display in the center of the gauge when the engine temperature is between 180F and 240F. ML350 V6-3.5L Mercedes-Benz The statements expressed above are only for informational purposes and should be independently verified. 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 just took it yesterday to get the oil changed brakes flushed and fluid levels checked. This warning light can also be telling you that the electric cooling fan is not working. The coolant temperature warning light turns on when your engine is sensed to be too hot and is at risk of damage from overheating. Check your coolant level as directed in your manual, though. On both my MY00 430 and my current MY05 500 the temp never reached 100C no matter how hot the ambient temp was or how hard you worked it, even in the desert in summer. P0128 Mercedes: (Causes & Fix) How Long Can You Drive with a P0128 Code Replace coolant temp sensor ml350 - Fixya One of our professional mechanics can diagnose and repair the issue before it becomes a serious problem. I have a Mercedes C200 1996 model when i brought it the man said the head gasket was gone, but there is no steam out exhaust no bubbling in coolant tank, no water in oil, only thing is it leaks coolant out over flow pipe would that be thermostat radiator hose is hot but water in coolant tank is cold. All-New 2024 Buick Envista Arrives This Summer; Price Starts at $23,500. As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection. The Editorial department is independent of Cars.coms advertising, sales and sponsored content departments. If you look at the header tank the sensor is an insert that screws in from underneath i.e. Once you confirm that your thermostat has failed, follow the instructions below to learn how to replace it. 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. All are critical to the operation of the system, and if one starts to go south, you may experience higher operating temperatures than normal. 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. Being our first mercedes, and coming from many years in Land Rovers, I must say that this is a very nice change indeed. If If youve locked your keys in your car, youre familiar with that sinking feeling and the knot that forms in your stomach. However, if youve noticed the car is running hotter than normal without any mitigating factors, its a sign that somethings going wrong. Location. The temperature start from 80 when start and run up to 90-100 when driving. Read full answer. 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. They don't have a new one in stock. The thermostat has a rubber diaphragm between the moving plunger and the thermostat body. Town traffic closer to 90. Your coolant system is designed to help remove heat from the engine during operation. The cooling system thermostat in the engine begins to open at 88 to 92 degrees Celsius, 95 degrees should be normal operating temperature. The exact location of the thermostat and issues related to a damaged thermostat may vary depending on your vehicle. In this instance, the reading is incorrect and your cars engine temperature is most likely normal. The coolant flows through the engine, and then back into the radiator. You must log in or register to reply here. Over recent months I've been getting the coolant level low warning light coming on intermittently. You are using an out of date browser. You will need to remove the two air inlet ducts as well as the front engine cover to get access to the coolant temperature sensor on the front of the engine. The electric wiper motor has failed or blew a fuse, or the problem is in the wiper transmission linkage. If it has started sticking, but hasnt quite given up the ghost, its possible to see higher engine operating temperatures without overheating. The thermostat may also stick open. The mechanic will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. Modern automotive diesels engines should ideally run circa 90C to obtain optimum efficiency. Join Date: Sep 2018 Location: Einbahnstrae Your temperature gauge appears to display actual temperature, other cars do not. 1998-2000 C43 AMG This scanner can communicate with all the control units in your Mercedes-Benz, including the engine, transmission, ABS, SRS, and more. This acts as a high speed option for the fan, and when engaged, it draws more air across the radiator. Stuck thermostat: The thermostat acts as a dam for the coolant. Resurrecting a thread from almost 1 year ago as I used the search facility! Only when the operating temperature is reached, do you get the best fuel efficiency and minimal wear on the engine? Mercedes-Benz CLK350 209.456 / 209.3562006-2009 Dec 23, 2016. 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. Hewlett Packard Enterprise Community . If youre stuck in traffic on a hot day, this would be normal. What is normal engine operating temperature for Mercedes 320? 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. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. full). full). Vehicle temperature gauge goes low than normal; Having seen some of what is, causes and symptoms of p0128 code, is it safe or okay to drive with the code on? There are several important components here. Faulty Temperature Sensor: Its possible that the temperature sensor on the engine block is faulty, and sending inaccurate information to the cars computer/dash gauge. I dont know but its almost to the highest number 120 where its marking red. 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. The ECT (engine coolant temperature sensor) is located on the driver's side, front of the engine. You are using an out of date browser. Mercedes-Benz E350 211.087 / 211.287 / 211.056 2006-2009 2010-2011 GAS 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. As others have indicated, it will most likely be the stat that has gone. If the temperature gauge consistently shows the engine is warmer than normal, have your cooling system checked ASAP. Is the 2023 Honda Accord a Good Car? Broken engine cooling fan: The engine has a cooling fan that is deployed when the coolant needs some extra help. 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. SBC 350 dies when hot | Hot Rod Forum This type of gauge display does not show the normal fluctuation of engine temperature when the cooling fans cycle on/off. Mercedes-Benz R350 251.165 2006-2009 2010-2011 GAS The old gasket should be removed and discarded. It may not display this or other websites correctly. So i have a Benz C250 2013. 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. 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. You must log in or register to reply here. Recently purchased a 2012 E350 Diesel Estate. Bad water pump: The water pump is responsible for keeping the coolant cycling throughout the engine. Normally it runs just above 80C. Sep 22, 2010. Recently purchased a 2012 E350 Diesel Estate. Mercedes-Benz W204 Coolant Temperature Sensor Replacement - Pelican Parts 2001-2004 SLK320 When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. Some common signs of a failing power steering control valve include a power steering fluid leak or the smell of burning power steering fluid. 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. 60 C is only around 140 F; Im surprised you didnt ever get a CEL light on with a code for low temperature. 2000-2006 CL500 At first I thought it was when the engine was increasing in temperature (getting up towards 95C), however over the last . On average, the cost for a Mercedes-Benz ML350 Car is running hotter than normal Inspection is $95 with $0 for parts and $95 for labor.
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