Check the live data to see the temperature from the sensor. I did a partial flush since I had to replace the thermostat. A quick and dirty check is to test the Metal Temperature sensors with a Multimeter: Often times hot restart problems are because of a defective Accumulator. Some vehicles may have more than one temperature sensor, as sometimes, different sensors are used to signal to the dashboard, cooling fan control, and the control unit of your engine system. There are cheaper ones on the market, but I heavily recommend buying a quality one like Bosch to skip the headaches. - Nick at Pelican Parts. If it seems fine, check the wirings and connectors between the coolant temperature sensor and the engine control module. The time period when the sun is between 12 and 18 degrees below the horizon at either sunrise or sunset. Step 8: Remove the coolant temperature sensor. - Nick at Pelican Parts. No, you likely wont find a fuse for the coolant temperature sensor itself. Thanks! The W204's temperature can increase up to 90-95 degrees while running, which is considered completely normal. It will be possible to remove it by dismantling the components and disconnecting it from its connector. Turn the motor off and add coolant as needed. Left side of engine, near the fuel rail, almost in middle of engine. Mercedes-Benz W204 Coolant Temperature Sensor Replacement. JavaScript is disabled. This exact question was just resolved less than a week ago. We recognize our responsibility to use data and technology for good. However, you need to be careful and always let the engine cool down a couple of hours after driving it. The temperature gauge on your car's onboard dash indicates the temperature of the coolant in the radiator. Nick: Hi I m driving c63 2013 w204, What are signs of thermostat is not working any more? I am still able to wiggle the sensor around though. Figure 2 Let the engine cool completely before beginning this job. The horizon should be clearly defined and the brightest stars should be visible under good atmospheric conditions (i.e. - Nick at Pelican Parts, Should I change coolant for w204 C200kompressor 2008 and 58000miles and if yes then how much I need, Yes. Manage Preferences - And I'm guessing if you are filling the hose that goes into the thermostat, it should be opened after doing the distilled water flush? the coolant the car came with is green and i believe thats the wrong color. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If you are going to drain the coolant from the block you are going to be working around the starter motor, as the block drain plug is located right beside the starter. Left when seated in vehicle. History. coolant sensor location 2010 w204 220cdi Thread starter davemb; Start date Oct 2, 2019; . But it should be similar. Ansaugschlauch Luftfilter Schlauch Luftversorgung fr Mercedes W204 S204 W212 . A bad air-fuel mixture can also cause the engine performance to drop drastically. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. Do not fill the coolant hose completely, as it will make a mess when you reconnect it back to the radiator. I am unable to find the engine block drain plug on a 2012 Mercedes Benz c250 4 cylinder engine. 15 Common Mercedes W204 Problems You Should Know The thread is probably even still on the first page if searching is too difficult. Unfortunately I don't know the answer, but just to say that many modern engines have a temp sensor that connects directly to the ECU, and a separate temp sender that connects to the engine temp gauge on the dash, so you need to buy the right unit. Coolant/water temp sensor locations | Mercedes-Benz Forum Find many great new & used options and get the best deals for Coolant Air Ambient Temperature Sensor fit for Mercedes C/CLS/G/E 0075421318 at the best online prices at eBay! ML350 sensor is located almost on top of the crankshaft position sensor. 2013 c250. The sensor itself is located below the air pump and between the thermostat and coolant pump housing. 5:31 AM. Symptoms Of A Bad Coolant Temperature Sensor. Step 4 If doing yourself, you will have to drain the majority of it. Clear More Details. It also provides input for idle air control (IAC) position, oxygen sensor closed-loop status, on/off times for the canister purge, and idle speed. How to Deal With Thermostat Failure in Your Mercedes Light does not reach. The engine coolant temperature sensor can have a hard impact on the air-fuel mixture. Hello I have a 2008 Mercedes c300 4 matic no pzev just regular model,we recently went into a ditch smashed radiator fan and ac condenser I just purchased all new parts, my question is ,is there anything special I need to do when re adding coolant back into the reservoir?it has to be pretty much drained by now so how much coolant would I need to re add? Remember to always make sure the coolant temperature is low when doing this kind of work!! For a better experience, please enable JavaScript in your browser before proceeding. I pushed it in as much as i could. I have a 2013 c220 cdi 2.1 is this the same location? Updated on: 30 April 2023 . The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. Please see terms for details. 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. Thereafter, at least every second day or 100 one hundred KM the coolant level warning is displayed - 8 days later I have used 9.0 litres of coolant. 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. Please select the information that is incorrect. Due to an incorrect engine temperature signal, the ECU may enrich the fuel mixture to a point where the combustion process becomes difficult. On my 2012 C300, the fan runs at full speed as soon as I start the car not even warmed up yet. i am replacing the thermostat and coolant. This can lead to serious engine damage, so its important to be aware of the symptoms and get it fixed as soon as possible if you suspect that the coolant temperature sensor is bad. Total filling (initial fill) .. 8.0 liters They can figure out what part or repair kit you need. Take care to make sure the belt is properly seated on all the pulleys, follows the right path. - Nick at Pelican Parts. - Nick at Pelican Parts. Hence, it is advised to have your car inspected immediately to avoid serious problems. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans not starting. Thanks, JC, In the rear of the left side cylinder head. so i bought the blue coolant. The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. Use a flathead screw driver and slide the clip that holds the sensor in place up towards the air pump, you will not be able to pull the clip all the way straight up and out with out removing the air pump.Now you will be able to see the groove that is formed by the thermostat housing and coolant pump that the clip sits in. Thanks, I think I will get a second opinion as the mechanic is having experience working from Car Dealerships, irrespective of a small problem to fix, they make it big as recently confirmed by the other mechanic from the Mercedes Benz Dealership.Because based on my initial research the M274 engine has a stand alone Coolant Temperature Sensor, which is at the back of the Air Filter and in front of the Throttle Valve. If you do not have a retaining pin you can use a 5mm Allen key.You can now get access to the temperature sensor behind the idler pulley. I have a c350 2006 and it dont wont crank , if the coolan sensor is bad it Will cut the power to the starter. It is necessary, if you want to remove all coolant. Afternoon I had an engine light illuminating, I put a diagnostic tool, it provides a faulty code, P0228, Coolant Temparature Sensor, I have bought. Mercedes Benz 300 SEL,W 126,front bumper same bumper on all W 126 models in good con 300 also have other parts pls call ., 1311700537 You may not reject these. Thanks in advance. Most coolant temperature sensors operate using electrical resistance to measure the temperature of the coolant. If you have the budget, you could drop the pan as well and clean it out. The posted views of our members are in no way the views of MBClub.co.uk or its owners. You can now slip the belt off the tensioner. This fan is electrically controlled and relies on the signal from the onboard computer. Dang! - Nick at Pelican Parts, Hi, is the same location for GLK280 2009?, Pls, We don't have that model in the US, so it is not listed in my repair info. Next here, you have to check for the coolant temperature sensor and this can be checked with multi-meter. (7 Causes & How to Fix). Mad that thisvid is they only one for this issue. Water Temp Temperature Joint Pipe Sensor Gauge Radiator Hose Adapter Clamps Aluminum (Color : 32MM) Cooling System Coolant Hose Sensor Adapter Coolant Hose Sensor Adapter 21 $3757 $16 A-Premium Engine Coolant Temperature Sensor Compatible with Infiniti FX35 FX50 G20 G35 QX56 Mercury Villager Nissan 300ZX 350Z 370Z Altima Frontier Murano Xterra If the computer detects any problem with the sensors circuit, it will illuminate the check engine light, indicating that the car needs an inspection. 37 F. RealFeel 38. where is it located in my 2012 C180 Mercedes Benz. Location: Texas Posts: 246 Likes: 87 Received 322 Likes on 123 Posts E63 I believe there's two engine coolant sensors, one on the engine block and another one under the thermostat housing. 2008 Mercedes-Benz C230 2.5 W204 ( 08-14) Avantgarde Sedan The Copper collar around the sensor is not completely inside the cylinder head. This should make for quite a thorough flush, as my next step is to run fresh water through the whole system. Step 9: Clean the hole where the sensor is located. The coolant temperature sensor itself is often quite cheap, and you can often find them for around $40 for a quality one. the thermostat will not be open it reaches the correct temp. We appreciate it. Want to replace engine coolant temperature sensor and re-execute test. How do you replace the external temperature sensor? If you have two pins on the coolant temperature sensor, you can try measuring the ohm value between these two pins. The Coolant Temperature Sensor's Function This device works on the principle of dependence of potential difference in temperature. The sun does not contribute to the illumination of the sky before this time in the morning, or after this time in the evening. Give our parts specialists a call at 1-888-280-7799. The time period when the sun is no more than 6 degrees below the horizon at either sunrise or sunset. Total filling (workshop change volume) .. 5.6 liters Hi: Is this sensor location the same for a S550 2010? The engine coolant temperature sensor is usually located on the engine block or cylinder head. You replaced the Accumulator which is typically the reason for hard restarts when engine warm. Thank you so much for helping me! Mercedes-Benz C-Class AC not cooling - causes and diagnosis All Rights Reserved. With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. A 2011 Mercedes Benz C180 CGI last serviced end of October 2017. My turns on the fan on right front side by the front wheel just by turn the the ignition On and it takes about 2 minutes before switching Off after a drive. no moonlight, or other lights). How does filling through the top hose work after draining the block ? Advertising - Like every other component, the ECT sensor can also get damaged, resulting in several engine-related problems. I should have the part tomorrow hopefully. We appreciate it. - Nick at Pelican Parts. Hello , I had a pairs of a speed sensors from you for my 2012 C300 4matic and I really like because they fit really good and now my car is running with no problem and thanks for getting the right parts for my car . It would be best to monitor temperature per the sensor versus the actual temperature of the coolant. For example, if its very cold outside, but the sensor tells the ECM that its warm, it wont inject enough fuel to start the engine. However, most coolant temperature sensors take about 30 to 60 minutes to replace. When reinstalling it, we have provided a picture below to help you.Read the Full Article: https://www.pelicanparts.com/techarticles/Mercedes-W203/WATER-Coolant_Temperature_Sensor_Replacement/WATER-Coolant_Temperature_Sensor_Replacement.htmTime: 2 hour Tab: $10 Tools: E10, E12 Torx driver, flathead screwdriver, needle-nose pliersParts Required: New coolant temperature sensorHot Tip: Don't work on a hot enginePerformance Gain: Piece of mind on engine temperatureComplementary Modification: New beltApplicable Models:Mercedes-Benz C320 (2001-04)Mercedes-Benz CLK320 (1998-04)Mercedes-Benz E320 (1998-04)Mercedes-Benz ML320 (1998-03)Mercedes-Benz S320 (1998-99)Mercedes-Benz SLK320 (2001-03) The sensor is located near the front of the engine on a coolant hose fitting. OES Genuine Coolant/Antifreeze 1 Gallon Step-by-step instructions Locate the thermostat. Thus should be a mechanic only fix as you will more than likely not be able to reach the sensor. Thanks for the feedback. Page may contain affiliate links. Parking sensor Reverse/Parking aid/sensor. - Nick at Pelican Parts, Thanks, Nick, what must I do, must I replace the Coolant Temperature Sensorme the owner go for this or the whole Thermostatmy mechanic advise this but its expensive, Always go with your mechanic's advice, as they have seen the vehicle and better understand what is going on. And any thing special I need to do once coolant is re added and Im ready to drive?any help would be greatly appreciated!! The coolant temperature sensor, also known as the coolant temperature switch, is an engine management system sensor that is used to monitor the temperature of the engine's coolant. Give The Pelican Parts parts specialists a call at 1-888-280-7799. The sensor modifies a voltage signal from the Engine Control Module ( ECM ). $710. Can you confirm you have the right part number? Always dispose of your used coolant correctly and in accordance with your local regulations. If changing coolant types, the entire system has to be drained. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. If we get the chance to create the video, we will! Excellent videos, guys. Replacing the coolant temperature sensor is a relatively easy job if you have a lot of patience. Locate the coolant temperature sensor in your vehicle by referring to the service manual. Thank you for that sir but I have already replaced the accumulator, filters, pumps, injectors so this is my next go! While it is next to impossible to get all of the coolant and contaminants out of the system without removing the heater core lines and blowing out the heating system this method will get the system as clean as possible and more than good enough for the next ten years. Magnus is the owner and main author of Mechanicbase. safely jacking up and supporting your car. - Nick at Pelican Parts, Is the procedures to replace this sensor on a 2011 C300 the same as this procedure? Ive been looking everywhere for an answer but nothing shows up, Engine 271 You will find it installed conveniently on a plastic hose on the coolant's inlet. is it the space to work on? Where is the coolant temperature sensor located on a 2013 c250? engine temp normal. The time of Civil Sunset minus the time of Civil Sunrise. Engine Coolant Temperature Sensor: Purpose, Location, and Failure Signs To replace the thermostat, you will need to drain some coolant from the radiator.

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