Mercedes Applications: Install the new thermostat in reverse order. Deteriorating Hose: Your radiator hoses are responsible for transporting coolant to and from the radiator. Your Mercedes-Benz could overheat or take too long to reach operating temperature. It would turn over but not fire at all. Our certified mobile mechanics can come to you now. This article shows you. $533. I hear gentle "ta ta ta" sound randomly, special when I start and stop the engine. 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). The proper ratio of coolant to water can also get distorted, resulting in a problem. Now replaced the washer bottle sensor, still persists. First, try checking the ABS sensors (https://www.yourmechanic.com/services/abs-speed-sensor-replacement) for a proper connection. Mercedes-Benz Low Coolant: With any engine temperature related issue, the first thing to check is the level of the coolant. 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. full). I know the 320 and 250 and 280 run at 90 so I assume your too low . I dont know Benz, but if your needle is somewhere around the halfway point, that is probably correct (95 C). If possible, let the engine cool for an hour and check the coolant levels. It pulls up and away from the engine. How tell valve block working S430 220 2000 . In this case, the Check Engine Light may come on. 105 suggests is too high, but it aint deadly yet. 100C (the next line after 80). 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. What is normal engine operating temperature for Mercedes 320? If there was any moisture on the sensors while the vehicle sat, Hi there. 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. I just took it yesterday to get the oil changed brakes flushed and fluid levels checked. Insufficient Coolant. The 350 cdi should run at 92deg. In most cases, you will get a P0128 Coolant temperature below the thermostat regulating temperature fault code. 2005-2006 C55 AMG 2001-2006 CLK55 AMG Mercedes-Benz CLK350 209.456 / 209.3562006-2009 In this instance, the reading is incorrect and your cars engine temperature is most likely normal. Mercedes are saying normal. When the engine takes too long to reach operating temperature, the ECU will turn on the Check Engine Light / Warning Light. If a hose has gone soft, its possible that is has partially collapse and created a bottleneck that limits coolant flow, which will increase the temperature. In this case, the Check Engine Light may come on. 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. mine slowly dropped from 92 to 50 over 6 months and over winter. 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. YourMechanic All rights reserved. You must log in or register to reply here. It gets to that within about 5 miles of driving even on frosty mornings. 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. 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. Assuming the crack is more than just a crack in the paint, I would say yes, and here is why. As soon as you can safely pull over, do so, and then book one of our mechanics to perform an inspection. Car symbols, or dashboard lights, are a car service reminder. 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. E350CDI (S212) 2010. This scanner can help you identify error codes, read live data, and perform special functions like reset adaptations or perform component tests. I hear gentle "ta ta ta.." sound randomly, special when I start and stop the engine. Prices may vary depending on your location. Location. The temperature start from 80 when start and run up to 90-100 when driving. Just cruisin this weekend in my 57 Bel Air, engine temp. This scanner can communicate with all the control units in your Mercedes-Benz, including the engine, transmission, ABS, SRS, and more. Refitting is tricky with the pipes, cables, etc. 13 years of experience As a general rule, car engines do not like cold weather and do not do operate as well in cold weather. Remove each duct by compressing them towards the engine and slipping them off the air inlet. Real customer reviews from Attachments 12-1F772F80-806664-960.jpg 31.5 KB Views: 2,966 One of our professional mechanics can diagnose and repair the issue before it becomes a serious problem. Not sure. Town traffic closer to 90. Most vehicles also have an engine temperature gauge that shows just how hot the engine is. The mechanic will then provide a detailed inspection report that includes the scope and cost of the necessary repairs. full). The cooling system thermostat in the engine begins to open at 88 to 92 degrees Celsius, 95 degrees should be normal operating temperature. Getting a low coolant temp code.temp is normal. Thanks. Over recent months I've been getting the coolant level low warning light coming on intermittently. Your temperature gauge appears to display actual temperature, other cars do not. Read full answer. 2001-2005 C320 . Mercedes-Benz They gradually 'go off' over time and over cool rather than under cool. All of mercedes thermostats cut in at 87C or higher so the engines should be at 90C. You can verify this by reading the ECU fault codes. 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. #1. owners like you. They have markings that indicate low and high temperatures. Both are cheap and easy to correct. and. Sticking Thermostat: This could be a sign that your thermostat is about to fail. The temperature start from 80 when start and run up to 90-100 when driving. You can buy a replacement stat online from the likes of Mercedes Benz of Newcastle for circa 130. So I would say what you have is normal!! 2005-2005 E320 Base 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. 1999-2001 ML430, Mercedes-Benz C230 203.0522006-2007 . When it fails in the closed position, it can cause your engine to overheat. Mercedes-Benz C350 204.0562006-2011 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. Mercedes Benz, Your email address will not be published. I believe the fans are turning as intended, but I will definitely check. Mercedes-Benz E350 211.087 / 211.287 / 211.056 2006-2009 2010-2011 GAS 0 helpful. 0 helpful. Dec 03, 2013 2000 Dodge Stratus. Solved other problems with headlights and marker light. 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. Mercedes-Benz R350 251.165 2006-2009 2010-2011 GAS Running at only 60C the car will be thirsty and the heater not very effective. The normal operating temp for any Mercedes is between 80C and But at no time did the engine coolant temperature gauge get over 60 degrees. 2001-2004 SLK320 1999-2002 E55 AMG this perishes and forms small holes. Normally it runs just above 80C. If your engine is too cold, it could have problems starting up. For a better experience, please enable JavaScript in your browser before proceeding. 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. 2003-2005 ML350 A Mercedes Benz Ml350 Engine Coolant Temperature Sensor Replacement costs between $474 and $570 on average. 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. I did have to replace the sensor on ours. A temperature gauge reading slightly higher than normal may or may not be a sign that somethings wrong. The coolant flows through the engine, and then back into the radiator. Suggest thermostat as your first suspect. The fan clutch uses a bi-metallic spring that tightens when the temperature increases. All very good for the newer gas models. 1998-2003 ML320 The engine creates a great deal of heat, and coolant is circulated throughout to absorb heat, and then remove it. 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. 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 thermostat has a rubber diaphragm between the moving plunger and the thermostat body. If it has started sticking, but hasnt quite given up the ghost, its possible to see higher engine operating temperatures without overheating.
