The sensor modifies a voltage signal from the Engine Control Module ( ECM ). He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. Wind NNE 3 mph. Provide to get notified when a staff member responds to your question. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. Replacing the coolant temperature sensor is a relatively easy job if you have a lot of patience. Open vs. Limited Slip Differentials: What Is The Difference? - Nick at Pelican Parts. i have a 2010 GLK350. 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. 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. In most cars, you have two separate temperature sensors for the fans, a dashboard gauge, and engine management. Left when seated in vehicle. https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement Check out the diagrams (Below). See attached. (Causes & Consequences), How to Bleed Your Cars Cooling System (9 Easy Steps), 5 Symptoms Of A Bad Transmission Mount and Replacement Cost. if yes, can i back flush w a garden hose somehow? Glad we could help. These cookies are required to enable core functionality such as security, network management, and accessibility. It may not display this or other websites correctly. Replacement is not that difficult but you will be working with the coolant so take proper precautions; first make sure the coolant is below 40 degrees Celsius. 2013 c350 it pretty much impossible for an adult male to reach this sensor. - Nick at Pelican Parts. Thanks for the Info. RELATED: Radiator Fan Is Not Working? - Nick at Pelican Parts. Rough idle as probably caused by the spark plug. They can figure out what part or repair kit you need. Current Weather. You can mess up your car real bad as you have to remove the air intake which have rings that can fall in to the engine. Compare . Where is the temp sensor on a w203 2007 c280 4matic? - Nick at Pelican Parts, How many gallons of antifreeze can the M272 W204 C300 V6 engine retain after being flushed? Unfortunately, removing the coolant also means that you have to remove all air from the coolant system, which can be difficult. I wonder where I can get a repair manual for this car. - Nick at Pelican Parts, Is the procedures to replace this sensor on a 2011 C300 the same as this procedure? - Nick at Pelican Parts, My Mercedes W204 C 200kompressor 2008 Vin No WDD2040416L011349 engine no 27195031095337 is 60000miles done with ATF never changed, its 722.6 transmission 5 speed with Fluid 236.10 but now I have got MBZ original 236.14 can I use this and please try to check should I flush Torque converter or just drain and fill.I know its not US model but if you can help,thank you, Personally, I would drain and fill. - Nick at Pelican Parts, I have a 2014 E220 W212 I bought from garage 2 weeks ago.My coolant level light has come on and even after topping up the water keeps dropping below sensor level.As I fill it up I can see the water disappearing and dropping.i brought it to the garage and they said they pressure tested it and found 2 leaks by the fuel filter and water pump.I drove it home today and once again light is on.Ive gone from bmw to Mercedes and already kind of regretting it.What should I do next?im kind of getting the impression the garage arent being honest with me and Im hoping this isnt going to be the start of ongoing trouble.Surely a 4 year old Mercedes cant be that much trouble.Also is this a common problem with it?the garage has told me it is and I want to see if they are having me on.Thank you, I would pressure test the cooling system. If doing yourself, you will have to drain the majority of it. Do not fill the coolant hose completely, as it will make a mess when you reconnect it back to the radiator. - Nick at Pelican Parts. I will let you know! Let the car cool so you don't have to work around a hot engine.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. - Nick at Pelican Parts. How many gallons of antifreeze does the Mercedes Ben HOW many gallons of antifreeze should I purchase after draining and FLUSHING THE COOLING SYSTEM ON 2012 MERCEDES-BENZ C250 SL 4 DOOR SEDAN WITH THE W204 FOUR CYLINDER TURBOCHARGED INGAIN? Is there a fuse for the coolant temperature sensor? - Nick at Pelican Parts, Mercedes W204 C200kompressor 2008,when I use left turn signal it starts ok and then starts blinking,instrument cluster also show check left signal and Importantly Parking Bulb on rear glows in stead of signal bulb Right one ok.Checked by reversing rear light plates but problem stays on left, Check if the sockets or harness is melted at the taillight. Total filling (initial fill) .. 8.0 liters Another sign that will alert you to thermostat failure is the temperature changing in an erratic way. Slide the clip off to the side and pull the sensor out from the engine. 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. Mad that thisvid is they only one for this issue. I do not have that information. Nick: Hi I m driving c63 2013 w204, What are signs of thermostat is not working any more? When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Thanks. Turn the motor off and add coolant as needed. The time period when the sun is no more than 6 degrees below the horizon at either sunrise or sunset. It pulls up and away from the engine. I would grab a repair manual. - Nick at Pelican Parts. Normally when checking for the coolant temperature, there should be a change in the OHM readings and if was not changing, then you have to repair or replace the coolant temp sensor if it is bad. To fill and vent the system: the best way is to rent or borrow a coolant system pressure tester; this will allow you to fill, pressurize and vent the system all at one time. Begin by safely jacking up and supporting your car. few days later noticed no heat blowing cold on feet. Can you confirm you have the right part number? They are different about 4 inches longer. Certified Automotive Diagnostic Technician. Had no idea how to find this sensor nor doing this job without seeing the sensor at all! . There are 50C and 70C metal temperature sensors under the Air Cleaner. Thanks in advance. The most common symptoms of a bad coolant temperature sensor include poor mileage, cooling fans not coming on, engine performance issues, an overheating engine, and a check engine light on your dashboard. OES Genuine Coolant/Antifreeze 1 Gallon Step-by-step instructions Locate the thermostat. Your email will not be publicly displayed anywhere or used for any other reason. I do not have access to that specific information. The 2 prong sensor turns on/off the electric fan in front of the Radiator. Location of Coolant Temperature Sensor on a 2014 c250? Thank you, We don't have that model in the US, so I can't be sure. - Nick at Pelican Parts. It would be best to monitor temperature per the sensor versus the actual temperature of the coolant. The back near the firewall is very tight about 1 inch and there is nothing next to the thermostat in the front. Thanks! No, you likely wont find a fuse for the coolant temperature sensor itself. - Nick at Pelican Parts. Locate the coolant temperature sensor in your vehicle by referring to the service manual. About first week January 2018 it gave warning to check coolant level and it took 1.0 litre to be filled. Find out what the symptoms are and how much it will cost to replace it. Posts to . Or not seat correctly. Once everything is cool slowly open the reservoir cap to release the pressure. Thanks for the additional info and feedback. If changing coolant types, the entire system has to be drained. Drain coolant. - Nick at Pelican Parts, Should I replace automatic transmission fluid for my Mercedes W204 C200kompressor 2008 ;93500 kms done and if yes please specify grade n quantity.Can changing ATF lead to transmission problems as in few sites due to change in viscosity and contaminates going in new filter, Yes I would replace it. Dang! The temperature reading at a high level means that coolant is not being released from the engine, so it is producing an uncontrolled amount of heat, thus leading to it overheating. If so, the pump may be failing. Symptoms Of A Bad Coolant Temperature Sensor. or heater core clogged now? My oil temp level is not showing on the cluster i have replaced coolant temp sensor but still no change. Look behind the oil filter housing, locate the fuel rail, just below the fuel rail sensor is the coolant sensor. Can you please help to locate the coolant temperature sensor on 2012 s550. 2014 Mercedes glk 350 coolants temperature sensor. I installed the new sensor with new o-ring. It just helps to fill the engine. This fan is electrically controlled and relies on the signal from the onboard computer. Excellent videos, guys. You replaced the Accumulator which is typically the reason for hard restarts when engine warm. my sensor has failed, no gauge and code read failed coolant temp sensor. 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. Back of engine, near firewall. 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. With the cap off the coolant will drain quicker. 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. It makes it seem like its something easy you can do. Wear gloves and be prepared to catch the coolant and dispose of it in accordance with the regulations in your area. Ordinary outdoor activities are not possible at this time without extra illumination. 2008 Mercedes-Benz C230 2.5 W204 ( 08-14) Avantgarde Sedan. Using a " drive socket and extension and the correct sized socket (usually 19mm), loosen the sensor from the engine block and remove it entirely. Please select the information that is incorrect. We appreciate it. By logging into your account, you agree to our, 2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast. - Nick at Pelican Parts. After change antifreeze the temperature fluctuate 75-95 C, w212, 170ps. . Installing was a success but I made an amateur mistake.. when unplugging the coolant temp sensor, some coolant must have got into the crankshaft sensor connector, the engine won't start : Tried cleaning with some chemicals, it worked but then the engine stalled again that night and got an error code. did bars jam open thermostat? Hey! yes it will. The time of Actual Sunset minus the time of Actual Sunrise. - Nick at Pelican Parts. Also even though not a lot of coolant will escape make sure to refill and bleed the system when you are finished. With your vehicle info handy, give The Pelican Parts parts specialists a call at 1-888-280-7799. Thanks for the additional info. Check which type of refrigerant your vehicle uses. Keep us posted. - Nick at Pelican Parts, Does my transmission pan has magnet and mechatronic plug socket and should I replace them New while changing ATF It's C200kompressor VIN WDD2040416L011349, Yes, if equipped replace the plug. Archive - To diagnose the coolant temperature sensor, you need a repair manual for your car model to find what measurement values you should expect from the coolant temperature sensor. The Copper collar around the sensor is not completely inside the cylinder head. The W204's temperature can increase up to 90-95 degrees while running, which is considered completely normal. This exact question was just resolved less than a week ago. 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 horizon is well defined and the outline of objects might be visible without artificial light. Thanks, Applicable Models: The coolant temperature sensor is located on the rear of the left cylinder head. If the value is wrong, replace the sensor. 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. . what needs to be done when engine light stays on? Only work on your car engine when the coolant is cold. Is it 100% necessary to drain the block to flush the cooling system? Afternoon I had an engine light illuminating, I put a diagnostic tool, it provides a faulty code, P0228, Coolant Temparature Sensor, I have bought. Would a bad sensor cause random temperature spikes? Mercedes-Benz C350 (2008-14) - Nick at Pelican Parts. Magnus is the owner and main author of Mechanicbase. It is necessary, if you want to remove all coolant. - Nick at Pelican Parts. For a better experience, please enable JavaScript in your browser before proceeding. Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the cars design. Now I gotta change out that sensor too : Maybe gotta plug back in the crankshaft sensor before taking the coolant sensor out next time. when coolant pours, it will flood the sensor, possible seeping inside the sensor housing and it will be a serious issue as SAM commented December 4, 2020. Total filling (workshop change volume) .. 5.6 liters engine temp normal. However, most coolant temperature sensors take about 30 to 60 minutes to replace. The coolant temperature sensor is located at the rear in the left cylinder head. Back to . Is there a fault code for the sensor? Item location: Dortmund, Germany. getting little fluctuations on the oil gauge temperature sensor.already did the Thermostat last year. The modified signal returns to the ECM as the engine coolant temperature input. 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? Ive been looking everywhere for an answer but nothing shows up, Engine 271 The main Engine Coolant Temperature Sensor is known as the primary ECT sensor or ECT sensor 1. History. Someone might accidentally pick that cup up and start to drink. Due to a faulty ECT sensor, the fuel mixture will adjust. You will find it installed conveniently on a plastic hose on the coolant's inlet. Left when seated in vehicle. How many are they ? The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. Thank you so much for helping me! - Nick at Pelican Parts. You can find a fuse for the engine control module though, which sends the signal to the coolant temperature sensor. The coolant temperature sensor is located on the rear of the left cylinder head. Sounds like air is trapped. Want to replace engine coolant temperature sensor and re-execute test. Posted on: 27 April 2023 by ScegliAuto. (A217), CL55 AMG, CL65 AMG, CL63 AMG (C215, C216), AMG GT: GT, GTS, GTC, GTR, GT-4door (C190 / R190), GLC63s, GLC63, GLC43 AMG SUV and Coupe (X253, C253), GLE63s, GLE63, GLE53 AMG SUV & Coupe (W166, W167), MB Coupes & Cabriolets Vendor Classifieds, Mercedes-Benz SUVs, Trucks, Vans, Diesels, Other, MB SUVs, Trucks, Vans, Diesels Vendor Classfieds, Classic, Vintage Mercedes-Benz Vehicles, Other Cars, Classic, Vintage MB Vehicles Vendor Classifieds, General Discussion of Mercedes-Benz Classics. Suspecting a bad or faulty sensor. down to -37C .. 2.8 liters It is possible the sensor has failed, but it's also possible the engine is not getting to the desired temperature. If you do not have a pressure tester you can still fill and vent the system, but it is important to get all of the air out of the system or the engine will run hot. The only difference between the 2 is that your coolant runs 3 degrees Celsius hotter at the high end during normal operation. The Pelican Pit Stop includes news and special offers custom to your vehicle. that sensor has to touch coolant for it to read properly. The engine coolant temperature sensor is usually located on the engine block or cylinder head. I removed it out.compare that one to the sensor picture all online. Ok for anyone else with this issue you loose gauge and random high speed fan activation. Wind Gusts 6 mph. Thank you for reporting this station. Thank you for that sir but I have already replaced the accumulator, filters, pumps, injectors so this is my next go! The engine is very sensitive to wrong air-fuel mixtures at idle, and this is a condition when you might notice that something is wrong with your engine coolant temperature sensor. also, will i need to drain the heater core as well? so i bought the blue coolant. Take care to make sure the belt is properly seated on all the pulleys, follows the right path. Replacement is not that difficult but you will be working with the coolant so take proper precautions; first make sure the coolant is below 40 degrees Celsius. The change in length of daylight between today and tomorrow is also listed when available. . It took me a while to replace the sensor and had cuts and bruises as a result. In my case it was about 10 seconds of cranking when cold and about 5 seconds when hot. Do Not Sell or Share My Personal Information -. My gauge reads 115 degrees also my iCarsoft i980 coolant temperature reading is high, but when i check the motor with a infrared heat reader I get near normal temperature readings from the thermostat housing, upper/lower radiator hoses and radiator?? 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 is a good tutorial and guide! They can figure out what part or repair kit you need. be careful, a lot of coolant will flow out. The standard temperature for the car at rest position is 80-85 degrees. At the bottom of the radiator of your Mercedes-Benz, there should be a drain plug. - Nick at Pelican Parts. Included is the parts description. Turn the tensioner all the way counter-clockwise and insert a retaining pin between the rotating part and the tensioner base. Wear protective gloves, protective clothing and eye protection. - Nick at Pelican Parts, Great article! We didn't have that engine in the US, so my info doesn't list it. We deliver enhanced functionality for your browsing experience by setting these cookies. Find many great new & used options and get the best deals for Sensor coolant temperature for VW Golf Polo Passat Audi 90 100 200 Coupe Seat at the best online prices at eBay! Locate the tensioner and using the Torx driver turn the nut on the wheel counter-clockwise 45 degrees. Coolant sensor for MERCEDES-BENZ C-Class Saloon W204 Top brands Reduced prices Car parts from the category Engine Cooling System and Coolant temperature sending unit for your C-Class Saloon W204 cheap prices and high quality Free shipping from 250 Coolant Temperature Sensor for MERCEDES-BENZ C-Class Saloon (W204)( 86 ) Filter Back I don't think we had that model in the US, so I don't have info for it. The amount of fuel getting injected into the engine is critical at the moment you start your car. See further information and configure your preferences. 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. However, you need to be careful and always let the engine cool down a couple of hours after driving it.
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