This article shows you. is this the problem you are all taking about? Merry Xmas all! . This type of gauge display does not show the normal fluctuation of engine temperature when the cooling fans cycle on/off. Deteriorating Hose: Your radiator hoses are responsible for transporting coolant to and from the radiator. Labor costs are estimated between $198 and $250 while parts are priced between $283 and $283. 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. Remove each duct by compressing them towards the engine and slipping them off the air inlet. Not even close for my 1992 300D 2.5 Turbo. On average, the cost for a Mercedes-Benz ML350 Temperature Warning Light is on Inspection is $95 with $0 for parts and $95 for labor. Watch this short. Attachments 12-1F772F80-806664-960.jpg 31.5 KB Views: 2,966 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. . 1 . Mercedes-Benz R350 251.165 2006-2009 2010-2011 GAS ML350 W276 Engine Coolant Temp Sensor I have a 2014 ML350 with a w276 engine and I cannot seem to locate the Coolant Temperature Sensor. Tighten the two bolts and reconnect the radiator hose. Mercedes-Benz ML350 V6-3.7L - Oil/Fluid Leak - Charlotte, North Carolina, Mercedes-Benz ML350 V6-3.5L - Car Battery Replacement - Orange, California. You are using an out of date browser. Bad water pump: The water pump is responsible for keeping the coolant cycling throughout the engine. On my gauges, GMs generally rest at just under half for proper temp, Ford generally right at half or even just above halfway. I got my new 2012 ML350 about $7800 bellow MSRP. Reaction score. 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. These can be a bit sensitive on level so you might need to top it up a little bit. If you look at the header tank the sensor is an insert that screws in from underneath i.e. Install the new thermostat in reverse order. Its a sign that something has gone awry. I really appreciate it! Save my name, email, and website in this browser for the next time I comment. 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. I dont know but its almost to the highest number 120 where its marking red. . The old gasket should be removed and discarded. All very good for the newer gas models. 105 suggests is too high, but it aint deadly yet. It looks a fairly simple job to replace as it's on top of the engine, or get your nearest indy to do it. Resurrecting a thread from almost 1 year ago as I used the search facility! Carburetor-type internal combustion engines, which are now practically no longer produced, had an operating temperature of 85 to 97 degrees Celsius. Great profesional advise I feel completely honest to say thank you for providing the communities with this great service.my go to place for information. My situation is the same as yours. A tip of the hat to you for being aware and for addressing it promptly. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. So if your E350 CDI is running low temps get it fixed ASAP. Mercedes-Benz C350 204.0562006-2011 I'd expected it to be a standard waxstat but it's an ECU controled motorised affair. 95? 2006-2006 CLS500 As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection. If youre stuck in traffic on a hot day, this would be normal. Low Coolant: With any engine temperature related issue, the first thing to check is the level of the coolant. 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. Mercedes Thermostat Replacement DIY Guide. 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. If you have sausage fingers you might struggle. full). Fins built into the radiator help disperse the heat as air passes over them. If the coolant level is low, you need to top up the coolant reservoir. #1. A faulty engine coolant temperature sensor or one of the wirings connected to it can cause the P0128 code. 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 JavaScript is disabled. I have a CLK 430 and it's usually running around above the 80. The mechanic will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. 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. Mercedes-Benz C300 204.081 / 204.0542008-2011 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. It may not display this or other websites correctly. Ensure there are no coolant leaks near the thermostat. 1999-2003 CLK430 The blue light goes off once the engine reaches its normal temperature. 0 helpful. For a better experience, please enable JavaScript in your browser before proceeding. But at no time did the engine coolant temperature gauge get over 60 degrees. $481. It started when the car needed service. As soon as you notice the light come on, pull over. Mercedes-Benz CLK350 209.456 / 209.3562006-2009 They gradually 'go off' over time and over cool rather than under cool. Temperature Warning Light is on Inspection Service How much does a Temperature Warning Light is on Inspection cost? Suggest thermostat as your first suspect. Thank you so much for everyone's input. Is it that even when you start it cold? The temperature start from 80 when start and run up to 90-100 when driving. Below is a list of the most common symptoms of this trouble code: Thermostats on modern diesels should be changed every 4 years or 50k miles as part of the service imho. Prices may vary depending on your location. 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. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. 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. At first I thought it was when the engine was increasing in temperature (getting up towards 95C), however over the last . The engine creates a great deal of heat, and coolant is circulated throughout to absorb heat, and then remove it. Based on the temperature of the coolant, the engine control unit adjusts the ignition timing, the fuel injector pulse, and the operation of the electric cooling fan. 1998-2000 C43 AMG 1998-2004 E320 In this instance, the reading is incorrect and your cars engine temperature is most likely normal. Most vehicles also have an engine temperature gauge that shows just how hot the engine is. How Much Do Electric Car Batteries Cost to Replace? When the temperature warning light illuminates, the first thing to check is this gauge, to determine the severity of the overheating issue. All-New 2024 Buick Envista Arrives This Summer; Price Starts at $23,500. I asked the dealership the same question. . 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. While this can vary, in the E320 and C240, for example, the thermostat opens up at 87 degrees Celsius. Broken engine cooling fan: The engine has a cooling fan that is deployed when the coolant needs some extra help. Stuck thermostat: The thermostat acts as a dam for the coolant. Now replaced the washer bottle sensor, still persists. Mohammed is super professional and helpful, very friendly and easy to communicate, expert mechanic, Thank you very much my friend! For a better experience, please enable JavaScript in your browser before proceeding. The gauge appears to be at approximately 90 degrees Celsius. . What is the normal operating temperature for Mercedes ml 350? There are a couple possibilities. Depending on the vehicle, the normal engine temperature ranges from 195 to 220 degrees Fahrenheit (90.5 to 104.5 C). Stealer price to do it is around 500 !! Over recent months I've been getting the coolant level low warning light coming on intermittently. 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. The cooling system thermostat in the engine begins to open at 88 to 92 degrees Celsius, 95 degrees should be normal operating temperature. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! 2001-2005 C320 Too little or even too much antifreeze can dramatically lower the boiling point of the coolant. The temperature warning light is on the dashboard gauge cluster and usually contains the words temp or engine overheating. Or, it may simply show a picture of a thermometer. 60 C is only around 140 F; Im surprised you didnt ever get a CEL light on with a code for low temperature. So, what is the normal engine temperature for a car? However, AFAIK BMW have never admitted to this problem and don't replace low running stats under any warranty. 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. However, the normal engine temp should be in the range of 195 degrees to 220 degrees Fahrenheit. Without coolant, the engine would quickly ruin itself with its own heat production. 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. 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It is not safe to drive a vehicle with an overheating engine, or you may ruin the engine completely and put yourself at risk. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. If you have a. Don't leave it too long before replacing as engine getting to normal working temp is fundamental to DPF regens and you don't want a blocked DPF. 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. Refitting is tricky with the pipes, cables, etc. All vehicles also have a warning light thats supposed to come on when the engine exceeds its normal temperature (it also illuminates for a couple of seconds when you start the engine). You must log in or register to reply here. and. 2000-2006 S430 I would check the header tank sensor first as the washer bottle is a b****r to get to, i.e. But it was never like this. Mercedes-Benz SLK300 171.454 2009-2011 . Mine came up recently with IC message 'Coolant low - visit workshop' that went away with a 15A fuse replacement in engine bay ECU fuse box. 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. The thermostat has a rubber diaphragm between the moving plunger and the thermostat body. 2003-2006 CLK500 I saw one of the sensor. Mercedes-Benz C280 203.0922006-2007 They don't have a new one in stock. And, if it never exceeds that on a long drive, you should be good to go. Mine seems to sit at 80 with fluctuation to 90 and a tad under 80 depending on driving conditions. Broken thermostatic fan clutch: Older vehicles use a thermostatic fan clutch to engage the engine cooling fan, which is mounted to the fan blades. 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. I have checked the radiator on a number of occasions and the level looks fine (i.e. Your email address will not be published. I just took it yesterday to get the oil changed brakes flushed and fluid levels checked. If its low, then the system doesnt have enough fluid to do its job correctly. 100C (the next line after 80). 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. The fan clutch uses a bi-metallic spring that tightens when the temperature increases. 2001-2006 CLK55 AMG The coolant flows through the engine, and then back into the radiator. Dec 23, 2016. Is 10 percent off a reasonable amount to shoot for these days? owners like you. In most cases, you will get a P0128 - Coolant temperature below the thermostat regulating temperature fault code. :-(. JavaScript is disabled. Your temperature gauge appears to display actual temperature, other cars do not. The . But my temperature gauge is it still at 95 everythime i turn it on. Add coolant to the radiator expansion tank. Join Date: Sep 2018 Location: Einbahnstrae YourMechanic All rights reserved. In line with Cars.coms long-standing ethics policy, editors and reviewers dont accept gifts or free trips from automakers. I will look into them accordingly and let you know how I get on. You should be very concerned, because an overheated engine can be far more than an inconvenience. Our certified mobile mechanics can come to you now. Overheating is the most common cause of an irreparably damaged engine, so you should always take a temperature warning light seriously. by Spencer Cates on September 08, 2016 Warning Light is on Inspection Cost Service Location SELECT YOUR VEHICLE $145.99 - $170.00 Price range for all vehicles ( 300) You can verify this by reading the ECU fault codes. 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. im. I've had 2 washer pumps fail over 10 years and it's not a job I enjoy! 1998-2000 C280 Instead, there are typically markings for cold and hot on the edges of the gauge and a normal range in the middle. and do I need to change the sensor on the washer bottle. CARS.COM Wondering whether or not you should be worried about your engine overheating? 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. If the temperature gauge consistently shows the engine is warmer than normal, have your cooling system checked ASAP. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Also, I saw an mpg figure on the trip computer today starting with a '4' - definitely a first! Being our first mercedes, and coming from many years in Land Rovers, I must say that this is a very nice change indeed. When it fails in the open position your Mercedes-Benz engine will take a long time to reach the normal operating temperature. 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. The outside temperature ranged from 4 degrees in the morning to 8 degrees late afternoon. As others have indicated, it will most likely be the stat that has gone. Or a new car. unplug connector and simply twist sensor to remove (you don't have to drain system). Yep, mine sits a fraction over 80C, although it is difficult to get a direct on view on the gauge due to the wheel. Read full answer. Our certified mobile mechanics can come to you now. 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. 2001-2002 S55 AMG From memory the sensor was 7-8 from ECP. 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. Normally it runs just above 80C. 1999-2006 SL500 (on top) It is between the ECM (engine control module aka the engine computer) and the alternator. 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 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. If If youve locked your keys in your car, youre familiar with that sinking feeling and the knot that forms in your stomach. The 350 cdi should run at 92deg. When it fails in the closed position, it can cause your engine to overheat. You must log in or register to reply here. Make sure that the engine is cold before you start replacing the thermostat on your Mercedes-Benz. Nov 23, 2015 Daihatsu Cars & Trucks. 0 helpful. I'd have thought this would be up around 85 to 90 degrees. Is it a problem if I drive around with the thermostat always open? We talked to mbz. But it doesnt move from there. Required fields are marked *. 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. Sometimes there are two Temp sensors. Damaged Radiator Cap: Most modern radiator caps are pressure caps. I assume youre talking 95 Celcius, or around 205 F. 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 review some comments online, I guess that's normal temperature. P0128 Coolant temperature below Thermostat Regulating temperature fault code. It has coolant so i dont know what elae it can be?! Today, an increasing number of new vehicles dont have temperature gauges. The outside temperature ranged from 4 degrees in the morning to 8 degrees late afternoon. It would always stop climbing when it got to about 95C. Just cruisin this weekend in my 57 Bel Air, engine temp. Prices may vary depending on your location. E350CDI (S212) 2010. Around 60C im hoping its a normal temp because its stays at 95 even after like an hour ride. A stuck thermometer may stay permanently sealed and therefore keep the coolant from reaching the engine block. That must be 95 degrees Celsius which is 203 F Right where it should be. Using the air conditioning at full blast, stop-and-go driving on a scorching day, and towing can raise the engine temperature above normal, so dont panic if theres a small change in the gauge reading. When the engine first turns on, and it is still cold, the thermostat keeps the coolant from circulating, which allows the engine to warm up as quickly as possible. 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. Mitsubishi's Routine Maintenance Required lights indicate when your car needs service. 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 2014 Mercedes glk 350 coolants temperature sensor. Manufactures have designed their temperature gauges to display in the center of the gauge when the engine temperature is between 180F and 240F. 3. The thermostat may also stick open. The normal engine operating temperature, for a 3306 Caterpillar diesel engine, is 180 degrees. 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). 2000-2006 S500 I read that the engine temp should stay around 80, but my car sits closer to 100. This acts as a high speed option for the fan, and when engaged, it draws more air across the radiator. TheYOUCANIC full system diagnostic scanner is a powerful tool that can help you troubleshoot Mercedes-Benz problems quickly and efficiently. Prices may vary depending on your location. So I would say what you have is normal!! 2002-2008 G500 Can anyone confirm my assumptions are correct and if so then is this simply changing the sensor and would that be covered under Warranty? The temperature start from 80 when start and run up to 90-100 when driving. It gets to that within about 5 miles of driving even on frosty mornings. The exact location of the thermostat and issues related to a damaged thermostat may vary depending on your vehicle. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. You must log in or register to reply here. We are being told that the balance shaft is bad and needs to be replaced for $6446.82. Immediately at 95? One of our professional mechanics can diagnose and repair the issue before it becomes a serious problem. I have checked the radiator on a number of occasions and the level looks fine (i.e. is between. Ill post a picture when I get into my car and start it. Some common signs of a failing power steering control valve include a power steering fluid leak or the smell of burning power steering fluid. Crusising downhill no or little throttle around 80, sometimes a little under. YourMechanic All rights reserved. This will cause the engine to consume more fuel than normal, depleting fuel mileage, and causing black, sooty smoke from the engine under moderate to heavy acceleration. If thats where its stabilizing, thats normal. You can verify this by reading the ECU fault codes. Thanks Anthony. Everything was good according to the mechanic. Cars.coms Editorial department is your source for automotive news and reviews. How tell valve block working S430 220 2000 I dont know Benz, but if your needle is somewhere around the halfway point, that is probably correct (95 C). 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. 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. Instead, you should monitor where it is when the engine is fully warm so that you know what normal is for your engine. 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. My money is on the washer bottle sensor going open circuit (wired in series). 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. I have read the forums, Edmunds and a couple other sites where prices paid are discussed. The cooling system thermostat in the engine begins to open at 88 to 92 degrees Celsius, 95 degrees should be normal operating temperature. On the other hand, excessively hot engines could cause smoking that leads to fires. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. One of the most important is the temperature gauge, which tells you how hot the engine coolant is. The coolant temperature warning light turns on when your engine is sensed to be too hot and is at risk of damage from overheating. I had the thermostat changed on EmilysMum's Citron C3 the other day. And a week for a Smart Roadster while you wait for the skin grafts to the back of your hands to heal. I have replaced the radiator, water pump and thermostat . 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.