You can verify this by reading the ECU fault codes. I would check the header tank sensor first as the washer bottle is a b****r to get to, i.e. Mercedes-Benz SLK280 171.4542006-2008 1 . These air dams are essential in newer vehicles, as they force the air through the fan shroud. What is the normal operating temperature for Mercedes ml 350? Is Brooke shields related to willow shields? As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection. If the temperature gauge consistently shows the engine is warmer than normal, have your cooling system checked ASAP. 2002-2007 ML500 Over time, they age and deteriorate. Our certified mobile mechanics can come to you now. If I'm not mistaken, this is normal. My money is on the washer bottle sensor going open circuit (wired in series). Please see our terms of service for more details Home Oil/Fluid Leak Inspection Get an instant quote for your car 195F or 90C. For a better experience, please enable JavaScript in your browser before proceeding. But it never went down when the mechanic did the service on it. 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). Your coolant system is designed to help remove heat from the engine during operation. Assuming the crack is more than just a crack in the paint, I would say yes, and here is why. Reaction score. unplug connector and simply twist sensor to remove (you don't have to drain system). 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. 2001-2005 C240 on the up side my MPG improved by an average of 6 and the inside is really warm. The temperature gauge should look something like this; This looks high but it is normal for that vehicle. Its a sign that something has gone awry. 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. While this can vary, in the E320 and C240, for example, the thermostat opens up at 87 degrees Celsius. Normal coolant temperature varies from car to car. 2000-2006 CL500 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. I got my new 2012 ML350 about $7800 bellow MSRP. Mercedes Applications: All very good for the newer gas models. 2006-2006 CLS500 You are using an out of date browser. Make sure there is no air trapped in the cooling system. It will cost more money to repair the bumper than it will to simply replace it. Low Coolant: With any engine temperature related issue, the first thing to check is the level of the coolant. And a week for a Smart Roadster while you wait for the skin grafts to the back of your hands to heal. Mercedes-Benz C350 204.0562006-2011 Thanks. I did have to replace the sensor on ours. 0 helpful. It starts at 40 but within 5 minutes the gauge moves up pretty quick to 95C Its never happened. However, AFAIK BMW have never admitted to this problem and don't replace low running stats under any warranty. 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. 5 Pros and 3 Cons, 2023 Volvo XC90 Recharge Review: An EV in Disguise, 2023 Buick Enclave Avenir Review: Dated and Confused, 2023 Toyota Highlander Hybrid Review: Long on Efficiency, Short on Space, Hot engine | Jim_DeLillo/iStock/Thinkstock. If the thermostat is stuck WIDE open rather . mine slowly dropped from 92 to 50 over 6 months and over winter. Sep 22, 2010. Mercedes-Benz SLK300 171.454 2009-2011 It pulls up and away from the engine. 1999-2003 CLK430 Mohammed is super professional and helpful, very friendly and easy to communicate, expert mechanic, Thank you very much my friend! Too little or even too much antifreeze can dramatically lower the boiling point of the coolant. With the ducts off remove the front engine cover. The 350 cdi should run at 92deg. Our ml 350 has 132213 miles as of 10-2-18, and it's got an engine fault of 1208 camshaft. I believe the fans are turning as intended, but I will definitely check. It may not display this or other websites correctly. It looks a fairly simple job to replace as it's on top of the engine, or get your nearest indy to do it. Faulty coolant temperature sensor: The temperature sensor takes constant readings of the coolant temperature and sends that information to the engine control unit. The Engine Temperature on the Mercedes is Constantly Falling Amazing Road TV 192K subscribers Join 93K views 3 years ago Why Does the Engine Cooling Temperature Drop at Speed? Theyre designed to increase the boiling point of coolant by pressurizing the system. In this instance, the reading is incorrect and your cars engine temperature is most likely normal. Solved other problems with headlights and marker light. 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. I dont know but its almost to the highest number 120 where its marking red. But at no time did the engine coolant temperature gauge get over 60 degrees. . Heres what you need to Hi, and thanks for contacting YourMechanic. Mercedes-Benz Most cars made during the last 20 years have dumb-down temperature gauges. This will not usually result in overheating, but it will waste gas. Made with in Silicon Valley. If your cap is failing (the seal is generally the problem), then you can expect to see higher than usual engine temperatures. and. The temperature start from 80 when start and run up to 90-100 when driving. A professional mobile mechanic will come to your home or office to inspect both the temperature gauge and your cars cooling system. As others have indicated, it will most likely be the stat that has gone. I'd expected it to be a standard waxstat but it's an ECU controled motorised affair. a. Mercedes-Benz ML350 Thermostat Replacement. Town traffic closer to 90. Modern automotive diesels engines should ideally run circa 90C to obtain optimum efficiency. 2003-2005 ML350 I hear gentle "ta ta ta" sound randomly, special when I start and stop the engine. Being our first mercedes, and coming from many years in Land Rovers, I must say that this is a very nice change indeed. I followed your information , I still cant find the sensor! I really appreciate it! 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. Car symbols, or dashboard lights, are a car service reminder. This warning light can also be telling you that the electric cooling fan is not working. You should not come close to this in Winter. 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 ECT (engine coolant temperature sensor) is located on the driver's side, front of the engine. 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. If you lost power to all systems, it will be caused by either the alternator failing, or an electrical relay or connection being damaged. Prices may vary depending on your location. Mercedes-Benz Tech Information and Support, ML, GL, G-Wagen, R-Class, Unimog, Sprinter, Problem starting when at operating temperature. You should be very concerned, because an overheated engine can be far more than an inconvenience. Mercedes-Benz R350 251.165 2006-2009 2010-2011 GAS Stuck thermostat: The thermostat acts as a dam for the coolant. 2023 #1. Today, an increasing number of new vehicles dont have temperature gauges. My situation is the same as yours. Is the 2023 Honda Accord a Good Car? Change the engine oil and filter. Is it a problem if I drive around with the thermostat always open? Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. 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. 0. A tip of the hat to you for being aware and for addressing it promptly. The cooling system thermostat in the engine begins to open at 88 to 92 degrees Celsius, 95 degrees should be normal operating temperature. Location. 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. Broken radiator fan shroud: The radiator fan shroud directs the airflow across the radiator so the air can absorb the coolants heat. In most cases, you will get a P0128 - Coolant temperature below the thermostat regulating temperature fault code. As the other gentlemen said, 205 F is your normal operating temp. This article wont help if you have a diesel engine. 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. At idle observe the dash engine temperature and fan. 1998-2002 E430 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. 2005-2005 E320 Base 2005-2005 E320 4Matic Instead, there are typically markings for cold and hot on the edges of the gauge and a normal range in the middle. Cars.coms Editorial department is your source for automotive news and reviews. This type of gauge display does not show the normal fluctuation of engine temperature when the cooling fans cycle on/off. 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). Normally it runs just above 80C. On my gauges, GMs generally rest at just under half for proper temp, Ford generally right at half or even just above halfway. Anyone might know what to check on it? Start the engine. This is the same for all MB, not just ML's. With this information, you can make informed decisions about repairs, maintenance, and upgrades to keep your Mercedes-Benz running smoothly. 1 Like blanca.garcia818 February 24, 2017, 10:25pm #5 Im assuming it would be C or am i wrong? 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. For a better experience, please enable JavaScript in your browser before proceeding. 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 Broken or missing air dam: Along with the shroud, some vehicles have an air dam (or deflector) underneath the vehicle. When it fails in the closed position, it can cause your engine to overheat. As soon as you notice the light come on, pull over. 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. That is what we will consider next and also . Only when the operating temperature is reached, do you get the best fuel efficiency and minimal wear on the engine? Broken engine cooling fan: The engine has a cooling fan that is deployed when the coolant needs some extra help. Before the gauge reads above normal the fan should operate. Prices may vary depending on your location. (on top) It is between the ECM (engine control module aka the engine computer) and the alternator. 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. The temperature should never come down to below normal until engine is shut off. But at no time did the engine coolant temperature gauge get over 60 degrees. I have checked the radiator on a number of occasions and the level looks fine (i.e. Attachments 12-1F772F80-806664-960.jpg 31.5 KB Views: 2,966 Recently purchased a 2012 E350 Diesel Estate. Required fields are marked *. . - Why Does. Insufficient Coolant. Labor costs are estimated between $198 and $250 while parts are priced between $283 and $283. The old gasket should be removed and discarded. Garage have just confirmed that thermostat is stuck open and will be fixed under warranty. If you have sausage fingers you might struggle. Once you confirm that your thermostat has failed, follow the instructions below to learn how to replace it. 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. Show example Mercedes-Benz ML350 Temperature gauge is maxed out Inspection prices Your car's engine needs to maintain the right operating temperature. Dec 03, 2013 2000 Dodge Stratus. 1998-2000 C43 AMG owners like you. 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. 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. I have replaced the radiator, water pump and thermostat 2006-2007 R500 You can verify this by reading the ECU fault codes. If thats where its stabilizing, thats normal. 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. E350CDI (S212) 2010. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. 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. We have just acquired a 10 months old ML 350 in dark blue. 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. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. YourMechanic All rights reserved. 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. I know the 320 and 250 and 280 run at 90 so I assume your too low . So i have a Benz C250 2013. It could also be something as simple as sitting in bumper-to-bumper traffic on a hot summer day. So whats the problem? This scanner can communicate with all the control units in your Mercedes-Benz, including the engine, transmission, ABS, SRS, and more. 2006-2006 S350 Keeping the gauge at center during normal operation does not distract the driver like an accurate gauge would. Now replaced the washer bottle sensor, still persists. Your Mercedes-Benz could overheat or take too long to reach operating temperature. on a slight side note, OP your not Phil H from MB Centre are you? If you have a. CARS.COM Wondering whether or not you should be worried about your engine overheating? Do not overtighten the two bolts. I just took it yesterday to get the oil changed brakes flushed and fluid levels checked. 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. Broken thermostatic fan clutch: Older vehicles use a thermostatic fan clutch to engage the engine cooling fan, which is mounted to the fan blades. Mercedes-Benz SLK350 171.456 / 171.4582005-2012, Hi.i have a C270 CDI(2005)auto(South Africa) Stealer price to do it is around 500 !! 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. The mechanic will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. A proper ratio of antifreeze to water is 50/50 to 60/40, depending on the vehicle. Refitting is tricky with the pipes, cables, etc. From memory the sensor was 7-8 from ECP. 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. You are using an out of date browser. 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 - 75 Point Safety Inspection - Carefree, Arizona, Mercedes-Benz ML350 V6-3.5L - Check Engine Light is on - Jacksonville, Florida. Bad water pump: The water pump is responsible for keeping the coolant cycling throughout the engine. I've had 2 washer pumps fail over 10 years and it's not a job I enjoy! Thank you so much for everyone's input. 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. I'd have thought this would be up around 85 to 90 degrees. Mitsubishi's Routine Maintenance Required lights indicate when your car needs service. If it has started sticking, but hasnt quite given up the ghost, its possible to see higher engine operating temperatures without overheating. Though, most vehicles do not display the degrees of the coolant temp on the instrument cluster. Immediately at 95? 2003-2004 G55 AMG They don't have a new one in stock. I have checked the radiator on a number of occasions and the level looks fine (i.e. Mercedes-Benz C300 204.081 / 204.0542008-2011 :-(. 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. But it doesnt move from there. If you look at the header tank the sensor is an insert that screws in from underneath i.e. In some vehicles, the needle may never reach the middle of the gauge, so dont be alarmed if it stops short of the midpoint. Power to operate your vehicle during operation is supplied by the alternator. Does anybody know the location or happen to have a diagram for this engine that might include some insights? Vehicle swings but wont Start, thank you for taking the time to put this information out have a good day. 100C (the next line after 80). 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. What time does normal church end on Sunday? full). If your engine is too cold, it could have problems starting up. Or a new car. Your temperature gauge appears to display actual temperature, other cars do not. Crusising downhill no or little throttle around 80, sometimes a little under. 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. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. 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 We are being told that the balance shaft is bad and needs to be replaced for $6446.82. Once the 160-degree F threshold is achieved, the recorded car engine temp has to fall below 160 degrees Fahrenheit while operating. 1998-2004 E320 Because the 60 on my gauge iisno in that order i think. I got my new 2012 ML350 about $7800 bellow MSRP. Should you encounter the P0117 code, there are a few signs you have to look out for. The outside temperature ranged from 4 degrees in the morning to 8 degrees late afternoon. The Editorial department is independent of Cars.coms advertising, sales and sponsored content departments. 2000-2006 S500 Mine seems to sit at 80 with fluctuation to 90 and a tad under 80 depending on driving conditions. . 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 dont know Benz, but if your needle is somewhere around the halfway point, that is probably correct (95 C). 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. Just cruisin this weekend in my 57 Bel Air, engine temp. Depending on the vehicle, the normal engine temperature ranges from 195 to 220 degrees Fahrenheit (90.5 to 104.5 C). Not even close for my 1992 300D 2.5 Turbo. When the plastic parts of the transmission are worn, the linkage can come apart. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Mercedes-Benz C280 203.0922006-2007 . This is important for the engine. 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. The gauge appears to be at approximately 90 degrees Celsius. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Ensure that you have a new gasket for your thermostat. Manufactures have designed their temperature gauges to display in the center of the gauge when the engine temperature is between 180F and 240F.
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