For a better experience, please enable JavaScript in your browser before proceeding. unplug connector and simply twist sensor to remove (you don't have to drain system). 2001-2004 SLK320 However, the normal engine temp should be in the range of 195 degrees to 220 degrees Fahrenheit. JavaScript is disabled. With this information, you can make informed decisions about repairs, maintenance, and upgrades to keep your Mercedes-Benz running smoothly. 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. Refitting is tricky with the pipes, cables, etc. One of our professional mechanics can diagnose and repair the issue before it becomes a serious problem. . Keeping the gauge at center during normal operation does not distract the driver like an accurate gauge would. You are using an out of date browser. Ensure that you have a new gasket for your thermostat. If its low, then the system doesnt have enough fluid to do its job correctly. I believe the fans are turning as intended, but I will definitely check. Most vehicles also have an engine temperature gauge that shows just how hot the engine is. is between. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. 0 helpful. Low Coolant: With any engine temperature related issue, the first thing to check is the level of the coolant. Ensure there are no coolant leaks near the thermostat. 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. Deteriorating Hose: Your radiator hoses are responsible for transporting coolant to and from the radiator. A temperature gauge reading slightly higher than normal may or may not be a sign that somethings wrong. Car symbols, or dashboard lights, are a car service reminder. You should not come close to this in Winter. You can verify this by reading the ECU fault codes. 1 Like blanca.garcia818 February 24, 2017, 10:25pm #5 Im assuming it would be C or am i wrong? . This is important for the engine. Yep, mine sits a fraction over 80C, although it is difficult to get a direct on view on the gauge due to the wheel. The engine should not . 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. Your Mercedes. 1998-2000 C43 AMG 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. I have now replaced the coolant sensor, but unfortunately the problem persists. 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. Mercedes-Benz E350 211.087 / 211.287 / 211.056 2006-2009 2010-2011 GAS 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. 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. . Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. Thermostats on modern diesels should be changed every 4 years or 50k miles as part of the service imho. 2001-2002 S55 AMG 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. 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. When it fails in the open position your Mercedes-Benz engine will take a long time to reach the normal operating temperature. In this case, the Check Engine Light may come on. - Why Does. But they are located on the left side of the engine , closed to the oil filter. Sep 22, 2010. 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 electric wiper motor has failed or blew a fuse, or the problem is in the wiper transmission linkage. (normal) or stuck in the middle of the gauge. Mercedes-Benz This type of gauge display does not show the normal fluctuation of engine temperature when the cooling fans cycle on/off. Nov 23, 2015 Daihatsu Cars & Trucks. I dont know Benz, but if your needle is somewhere around the halfway point, that is probably correct (95 C). The only option is to replace the unit. The blue light goes off once the engine reaches its normal temperature. Our ml 350 has 132213 miles as of 10-2-18, and it's got an engine fault of 1208 camshaft. The ECT (engine coolant temperature sensor) is located on the driver's side, front of the engine. What is normal engine operating temperature for Mercedes 320? I hear gentle "ta ta ta.." sound randomly, special when I start and stop the engine. Tighten the two bolts and reconnect the radiator hose. This is the same for all MB, not just ML's. Instead, there are typically markings for cold and hot on the edges of the gauge and a normal range in the middle. P0128 Coolant temperature below Thermostat Regulating temperature fault code. So whats the problem? If your cap is failing (the seal is generally the problem), then you can expect to see higher than usual engine temperatures. But it was never like this. 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. 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 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? Did Billy Graham speak to Marilyn Monroe about Jesus? 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? As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection. 1998-2004 E320 Show example Mercedes-Benz ML350 Car is running hotter than normal Inspection prices An observant driver keeps an eye on the various gauges in the dash - they provide important information. 195F or 90C. 2001-2005 C240 2014 Mercedes glk 350 coolants temperature sensor. Broken or missing air dam: Along with the shroud, some vehicles have an air dam (or deflector) underneath the vehicle. CARS.COM Wondering whether or not you should be worried about your engine overheating? Required fields are marked *. Broken thermostatic fan clutch: Older vehicles use a thermostatic fan clutch to engage the engine cooling fan, which is mounted to the fan blades. 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 Without coolant, the engine would quickly ruin itself with its own heat production. Just cruisin this weekend in my 57 Bel Air, engine temp. Labor costs are estimated between $198 and $250 while parts are priced between $283 and $283. Thanks Anthony. You can verify this by reading the ECU fault codes. Its more than weird. . Mercedes-Benz GLK350 204.9872010-2011 I really appreciate it! When it fails in the closed position, it can cause your engine to overheat. This article wont help if you have a diesel engine. Pushed her to the side looked everything over and basically let it cool down for about 15 minutes, then it started. 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. The blown fuse set several codes related to EGR & cooling suction fan as well but only that 1 message appeared in IC to indicate anything was wrong. I hear gentle "ta ta ta" sound randomly, special when I start and stop the engine. 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Its better to play it safe than risk having to buy a new engine. Manufactures have designed their temperature gauges to display in the center of the gauge when the engine temperature is between 180F and 240F. Mercedes-Benz SLK350 171.456 / 171.4582005-2012, Hi.i have a C270 CDI(2005)auto(South Africa) 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. 3. Mercedes-Benz Tech Information and Support, ML, GL, G-Wagen, R-Class, Unimog, Sprinter, Problem starting when at operating temperature. Normally it runs just above 80C. I asked the dealership the same question. 2023 You should be very concerned, because an overheated engine can be far more than an inconvenience. Thank you so much for everyone's input. If you have a. Once the engine has reached its operating temperature, the thermostat opens and allows the coolant to circulate. At first I thought it was when the engine was increasing in temperature (getting up towards 95C), however over the last . JavaScript is disabled. Not even close for my 1992 300D 2.5 Turbo. Temperature Warning Light is on Inspection Service How much does a Temperature Warning Light is on Inspection cost? Merry Xmas all! In most cases, you will get a P0128 - Coolant temperature below the thermostat regulating temperature fault code. 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. 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. Read full answer. I followed your information , I still cant find the sensor! But at no time did the engine coolant temperature gauge get over 60 degrees. I removed it out.compare that one to the sensor picture all online. This warning light can also be telling you that the electric cooling fan is not working. YourMechanic All rights reserved. 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. My other half did 4 trips yesterday of 25 miles each way, on small Sussex 'A' roads. And, if it never exceeds that on a long drive, you should be good to go. Ill post a picture when I get into my car and start it. You must log in or register to reply here. If the coolant level is low, you need to top up the coolant reservoir. I have replaced the radiator, water pump and thermostat Can anyone confirm my assumptions are correct and if so then is this simply changing the sensor and would that be covered under Warranty? So, what is the normal engine temperature for a car? It started when the car needed service. When the engine takes too long to reach operating temperature, the ECU will turn on the Check Engine Light / Warning Light. If the thermostat is stuck WIDE open rather . Should you encounter the P0117 code, there are a few signs you have to look out for. 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. Damaged Radiator Cap: Most modern radiator caps are pressure caps. Your Mercedes-Benz could overheat or take too long to reach operating temperature. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. 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) 2023 Both are cheap and easy to correct. It may not display this or other websites correctly. Joel was very professional and very detail on the issue I had with my vehicle. 2001-2002 CL55 AMG If there was any moisture on the sensors while the vehicle sat, Hi there. In line with Cars.coms long-standing ethics policy, editors and reviewers dont accept gifts or free trips from automakers. However, if youve noticed the car is running hotter than normal without any mitigating factors, its a sign that somethings going wrong. If If youve locked your keys in your car, youre familiar with that sinking feeling and the knot that forms in your stomach. The proper ratio of coolant to water can also get distorted, resulting in a problem. I read that the engine temp should stay around 80, but my car sits closer to 100. Check your coolant level as directed in your manual, though. Where did it used to be once it got to operating temperature (after five minutes)? From memory the sensor was 7-8 from ECP. Before the gauge reads above normal the fan should operate. After review some comments online, I guess that's normal temperature. Anyone might know what to check on it? 60 degrees C is too low, I doubt it was that low before. This scanner can communicate with all the control units in your Mercedes-Benz, including the engine, transmission, ABS, SRS, and more. Too little or even too much antifreeze can dramatically lower the boiling point of the coolant. In most cases, you will get a P0128 Coolant temperature below the thermostat regulating temperature fault code. Mitsubishi's Routine Maintenance Required lights indicate when your car needs service. The coolant temperature danger point is 120C (248F). We are glad that you find our site helpful. Made with in Silicon Valley. Read full answer. It will cost more money to repair the bumper than it will to simply replace it. 1999-2006 SL500 Around 60C im hoping its a normal temp because its stays at 95 even after like an hour ride. The fan clutch uses a bi-metallic spring that tightens when the temperature increases. The 350 cdi should run at 92deg. Mercedes-Benz C350 204.0562006-2011 and do I need to change the sensor on the washer bottle. Mercedes-Benz SLK280 171.4542006-2008 Please see our terms of service for more details Home Oil/Fluid Leak Inspection Get an instant quote for your car 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. So i have a Benz C250 2013. JavaScript is disabled. Your email address will not be published. Once the 160-degree F threshold is achieved, the recorded car engine temp has to fall below 160 degrees Fahrenheit while operating.

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