W203 losing coolant W203 Fan Assembly Complete Facelift ( No Resistor Hi everyone, I have a w203 with the warning light of coolant level low constantly on the screen. W203 Radiators, Fans, Hoses & Cooling Parts. Turned out to be a small crack in a fitting and was purging fluid, burning it off. Coolant leak repair is usually straightforward – just be prepared to spend some time with your head under the bonnet, because some leaks can be tricky to locate. muris93. horatio MB Enthusiast. I already posted this question and I was advised to do a pressure test. DonVitto Member. 4. Mercedes-Benz W203 Coolant Temperature Sensor hi have merc w203 220 cdi 2007 plate the fan comes on when i turn the ingnition full speed and was very loud like a aeroplane engine so bought another fan replaced it myself same problem when i turn ignition on the Mercedes-Benz C-Class (2001-2007) W203 - Radiators (Coolant / Antifreeze, Cooling System Additives, & more) Coolant / Antifreeze If your car starts to run hot your coolant may be low or tired. The store will not work correctly when cookies are disabled. I am losing a lot of coolant yet there are no visible leaks from the coolant system hoses or radiator. My coolant level is good, the temperature is good. I did however find that whenever my car reaches normal temperature, the coolant flows out of the expansion tank only when I switch the engine off. (My previous 2019 Outback had the same problem. I will definitely take a reader with me, just in case. Normally you need a lot of stuff to flush it out so it looks like this has been losing coolant for a while. C-Class W203 / S203 / CL203 (2000-2007) Engine: Capacity: Change interval: Antifreeze type: C 160 Kompressor 203. It was later dignosed to be anti-freeze leaking from the w204 intermittently losing coolant Thread starter DonVitto; Start date Sep 11, 2022; Sep 11, 2022 #1 D. He BMW 320I constantly losing engine coolant, been in to garage several times help! Bimmerpost ☰ Model Selection. After you replace it ,,scoop out the oil from the reservoir regularly ,,it should all be gone Find out how much coolant does your car need. 5 and 326. I had a 2004 vRS Fabia it would go weeks without losing anything then it would empty the coolant tank in a matter of minutes. The sensor itself is located below the air pump and between 【TOP DEAL】⚡️ Order Coolant temperature sensor suitable for MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI 2. The car has not been used much over winter about 50 miles in all. Always check your sensors if your coolant system is not working properly. Doing a coolant flush is more so just a preventative action in knowing your cooling system is in good working order. Can't tell from where yet but it is dropping down right at about where the firewall is or slightly before. I know bits and bobs but not My w203 c220cdi 51reg has been loosing a bit of coolant for about 4 months/ 20k miles, no leaks, water pump is sound, no overheating, it seems to have I'm losing coolant very slowly (about 500mls every 3 mths) - no engine or oil problems and a quick look has not shown where it might be leaking from. if you are losing coolant you have a leak or some other issue. Any way i checked the expansion tank and added about a lit re of water,the low coolant message went out, But after about 50 miles the warning message re-appeared. No oily anything in the header tank, the coolant just disappears! It's now using 1 litre every 200 miles. For the past couple of weeks, I have been getting a check coolant warning coming up on my dash. I asked the certified mechanic but he said it is because of the cap was not keep tighten, but as far as I am concern the reservoir cap is always tighten. 2 (203. Huge brand selection at low prices Sensor, coolant level suitable for Mercedes W203 Hey All Recently bought an 04 C180 Kompressor which is overheating in traffic because the fan isnt kicking in. Wear protective gloves, protective clothing and eye protection. 006) 143 hp easily at AUTODOC Fast delivery and low prices Discover now for yourself Losing coolant [Resolved] Thread starter mommabear; Start date 26 Mar 2021; Tags coolant head gasket 1; 2; Next. W203 C-class C180K (47k miles) started to lose engine coolant. Stopped by my mechanic this morning to get a diagnosis. Jump the coolant is leaking from the body of the pump rather than one of the hose connections. Nunmber 0015427418 Parkig Sensor PDC For Mercedes W203 W209 W210 W211 W220 W163 Hi guys, I'm in the middle of flushing out and replacing the coolant. 3. Hi all just The handbook is probably the capacity when drained as you will never get all of the coolant out, Haynes might be quoting the capacity from "dry" Reactions: 1 person. It has a 2300 Supercharged motor. Replacing the coolant temperature sensor is a relatively easy job if you have a lot of patience. So next week they are planning to remove the head Prepare the coolant by mixing demineralised water with coolant concentrate to a 50:50 ratio – do NOT use tap water for mixing. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. 26 Mar 2021 #1 Ok Leaking coolant. You do find the water coolant under bell housing. The leak appears to be near the rear of the motor at the #4 cylinder. To verify this, you can do some more simple checks, Car has been fine in every respect apart from a sudden coolant loss. If the coolant leaks and can’t keep the temperatures down, the engine will overheat. However, if you can't find the leak, it might be My car is a 2001 c class W203, I have no heat in the cabin 90% of the time and only 10% of the time I have little heat only if the fan blower setting is halfway. W203 M271 engine. Jun 22, 2013 #5 H. I'll let you know how it goes. Result! Turned out to be a faulty cooling fan sensor on the radiator. It’s important to check the coolant reservoir and radiator if you suspect a coolant leak. I bought a kit and i pumped it to 1 bar/ 15 psi. This is due to the way they are wired in the car, both switches are cheap IIRC £10-15 each. Heater works normally, no coolant smells whilst travelling. I live in Canada and have stored the car in my garage (for the winter) since The indie also replaced the bolt kit, gasket kit and rad cap. So I must say KUDOS to GP801, - well done to you sir. Ever since I bought the truck, in JulyI could smell something funny after running the truck outside near the engine compartment. We have different grades of Glysantin here, two marked for Mercedes, My car is a 2000 W203 c200k and has just about 52k mi on the clock. Several things can cause it, but the most common cause is a leak in the EGR cooler. Jump to If you aren't losing coolant, then don't worry about it. It did that for the 4. MERCEDES-BENZ C320 2003 W203 User Guide PDF Download. Search in MERCEDES-BENZ C240 2005 W203 Owner's Manual online. merc711 New Member. Car starts without any issues. Jump to Latest 13K views Emmm, unplug the coolant temperature sensor in front of the engine, close to the thermostat, the fan should come high and loud. Coolant passes through several hoses to the radiator, where it cools down and returns to the engine to repeat the cooling process. This is happening at least once a month, so it's going somewhere. One of the signs and symptoms of an EGR cooler failure is a lowered coolant level with no leaks. He was losing coolant similarly, and developing 'steam sludge' or like a gel type goo on the inside of his resevior. How to Greetings all, I'm a new owner of a 2007 W203 C180ML Sports Edition. C200 CDI coolant leak. After driving the car, drips end up hanging in my anti-roll bar and the underside of the oil pan. recently Overheating and losing coolant but no leaks. Allow the cooling system to cool down to a coolant temperature of less than 80 degrees C. Reactions: db3024. 1 / 2010. Also, since you already have what looks like clean green coolant in there, don't mix it with pink VW coolant. I topped it up and after few days I checked I lost I have been losing coolant with no over heating issues for a while and when I had a service today they said: The top hose to the thermostat is leaking. It's a great car but I have had a reoccurring issue with a loss of power. However, not all leaks leave a puddle of fluid. Few cases of this I've found from various forums, but luckily was replaced under warranty. Water Cooling System auto parts for Mercedes-Benz C-Class (2001-2007) W203: Hoses and Parts and other parts related to Radiators Free Shipping over $99! Lifetime Replacement Program; 310-626-8765; Selected Coolant Breather Pipe Part #: 123-501-21-82-MBZ 70. 44deez Discussion starter. Symptoms displayed-NO smoke from muffler. (For example Castrol Radicool NF premix). The coolant escapes the seal and finds its way into the combustion chamber, leaving you with a mysteriously low coolant level in the reservoir. Finally an old mechanic came by and said "I'll bet the thermostat is low in the engine like the old Bronco". 1. 5. The coolant level keeps dropping and Ford can't figure out where the water is going. Jun 3, 2017 #1 Hi All, I have a w204 C200 Cdi 2011. mommabear Account Closed. I fill up coolant almost everyday but the warning sign keeps coming back obviously because I lose coolant. Losing about a gallon a day. I noticed that the water level in the reservoir tank was running low! Last week hard starting and you losing coolant so fast it seems likely. I'm losing coolant but don't see any leaks. However today whilst in traffic i spotted a small mist coming from the bonnet seem. Still no good - still losing coolant. Thread starter pit; Start date Jun 3, 2017; P. The car was serviced last Saturday so it was topped up then. Did a pressure test which found I was losing pressure from somewhere, and they found that it was leaking into the turbo. Good morning all, My w203 seems to have a coolant leak from somewhere but I cannot see where. I changed a small sensor on the top of the engine in a water pipe which i think was called a coolant temp sensor and thought that had fixed it until i had steam pouring out of my I just bought carsoft and we tried it on my uncle's w203, did an ME diagnosis (no idea what ME means) and it came up with: P2005-001 Coolant temperature sensor: Short circuit to plus/Open circuit (P0118) Anyone know what sensor that is? It also came up with the following: B15A8 Servo engine ground flap left B1460 Ventilator regulation. 1 of 2 Go to page. The workshop manual states to drain the coolant from the crankcase, but I'm having trouble finding it (amateur). Thats your first test. This detailed guide will cover the 6 most common reasons for a BMW coolant leak without overheating and how to diagnose and repair the View, print and download for free: coolant capacity - MERCEDES-BENZ C240 2005 W203 Owner's Manual, 442 Pages, PDF Size: 4. Recently the car develops a 'Coolant level low warning' on the dash and required topping up daily. There are no visible leaks, the oil level is not increasing and 8 days ago Novel Ford had it under pressure for the whole weekend with no pressure leaks. very common on these designs ,, had the same thing on M272 CLK350. info is the largest online database of car user manuals. More ideas are welcome. Catch it early, and you’ll likely avoid any substantial repairs. 62 MB. Jump to Latest 74K views 47 replies 6 participants last post by Lifsvr7 Feb 26, 2011. Like you, I was losing coolant and couldn't identify where it was going. Jump to Latest My '05 c230 Kompressor (1. 4L V6, with 70000kms. 2003 C32 AMG- Coolant- Check Level. I have had similar coolant loss issues since Feb 2014. Next Last. Watch this video on how to find and fix these leaks. - Rodney Birmingham, Alabama (USA) - Current: 2011 SL550, Former: 2011 C300, 2010 ML350, My car is a C240 (W202) 2. 6 formula and remains the current standard in the Mercedes-Benz and Mercedes-AMG engines. It doesn't over heat, but when it gets to the level in the pic attached I get a warning. If the O ring as perished over time, as mine was located on the lifting eye at rear of engine. On my 2013 Malibu 2. Keep an eye on your coolant expansion tank, and top off with coolant as necessary. I have wis/asra but I can't find the wiring diagram if someone can help me to get these wiring please. 【TOP DEAL】⚡️ Order Coolant temperature sensor suitable for MERCEDES-BENZ C-Class Saloon (W203) C 180 1. Save Share Electrical auto parts for Mercedes-Benz C-Class (2001-2007) W203: Coolant Temperature Sensors and other parts related to Sensors Free Shipping over $99! Lifetime Replacement Program; 310-626 Don't let your coolant get too hot over a faulty sensor. W212 AMG - Something is burning off coolant - So I had to replace the coolant tank (over flow) a few months ago. Joined Apr 11, 2011 How serious is a coolant leak? The engine needs the coolant to maintain a normal operating temperature. pit Senior Member. Sort by Oldest first Oldest first Newest first Most reactions. 946 easily at AUTODOC Fast delivery and low prices Discover now for yourself I have a strange problem with my 2013 Ranger 2. The local (non MB) garage wanted £142 inc VAT for a new thermostat and coolant replacement. Earlier this year I had the W203 C-Class Oil in coolant overflow tank💀👀. I threw the duster on I was losing coolant and couldn't figure out where and there was a streak of dried coolant going down the bell housing. I'm 99% sure I'm going to buy something tomorrow. Coolant or antifreeze is used to help dissipate the heat from the engine as it circulates through the block and radiators. It was pressure tested 3 View, print and download for free: Coolant - MERCEDES-BENZ C320 2003 W203 User Guide, 376 Pages, PDF Size: 5. Never open a pressurized radiator or reservoir while the car is hot. com/watch?v=BoeXrXZ2TnQ&list=PLnqEIg0csmbEKmhqN35PWJWokCZtmxp Good morning all, My w203 seems to have a coolant leak from somewhere but I cannot see where. After few days I started loosing coolant. I note that we don't have a coolant change instruction in the stickies , there are others in the W203 W210 sections ,but there are various different methods. Anybody know if there are any known leaky spots on the M271 setup? Under heavy acceleration, coolant is coming from the cap. 2005 c180k capacity coolant w203 Sep 20, 2011 #1 A. Was coolant on the floor of the garage each AM. W203 C32 AMG, C55 AMG. Just make sure you drain it into a clean container and you can reuse it. E81 / E82 / E87 / E88Model Year: 2004 - So, My C Class W203 (2003) has just started having a small problem - Cooling fan starts cycling on-off as car warms up (temp guage shows 40) then when at running temprature fan on full blast but temprature low 40 - because fan on. 【TOP DEAL】⚡️ Antifreeze suitable for MERCEDES-BENZ C-Class Saloon (W203) from 2000 MY from various OEM part manufacturers. Contents Buy Radiator Expansion Tank Cap,Coolant Reservoir Cap for Chrysler Mercedes-Benz W140 W203 W204 w205 W208 W209 W210 W211 W212 w213 W215 W219,Radiator Surge Tank Cover 【COMPATIBLE WITH BENZ C SERIES 】Coolant Recovery Bottle Cap for 2006-2011 C 230, C 280, C 350 | 2002-2005 C 230 KOMPRESSOR | 2001-2005 C 240, C 320 6. As I said the Over the last week or so, I've had to top my coolant up three times. No Longer Available - C230 Kompressor Coupe (2003) Coolant expansion tank for MERCEDES-BENZ C-Class Saloon W203 Top brands Reduced prices │Car parts from the category Engine Cooling System and Coolant tank for your C-Class Saloon W203 — cheap prices and high quality Free shipping from £ 250 We put a bypass hose on the heater and tried everything to get the temp to stay at 80 and it continued to climb. Speaking of losing coolant, I too have a coolant loss problem, but I do see drips. 【TOP DEAL】⚡️ Order Sensor, coolant level suitable for MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI 2. This happened to me. I'm guessing the water pump is a suspect, but access looks pretty Hi all, I recently had my thermostat replaced on my w203 2006 C180 kompressor M271. When I opened the oil filler cap, the inside of the cap had foam on it, it looked like some white cream. A car’s coolant doesn't just evaporate into thin air when it leaks (well, not all of it, anyway). This article applies to the Mercedes-Benz E-Class (2002-2009). Is your vehicle losing coolant without visible leaks? Our latest article explores the surprising reasons behind this issue, from evaporation and faulty radiator caps to internal engine leaks. 5 C230K - Pewter/Charcoal. C-Class (W203) - "Coolant! Visit Workshop!" - Hello, since ~3 weeks now my on-board computer is showing Coolant! Visit Workshop! . The radiator is responsible for dissipating heat from the engine; over time, it can develop cracks or leaks. This pink-colored coolant originally carried the 325. Joined Oct 4, 2015 Messages 48 Car Mercedes C180 CGI Sport. The engine temp is also rising and falling. I've been underneath the car enough to know that This morning, i was about to go out for the day, but after switching on the ignition, a low coolant message came on. Having a low pressure cap will dump coolant at a lower temperature. Last year i replaced the water pump . the spark plugs will also have an oily= wet appearance in the bad cylinder/s Symptoms you describe point to failed head gasket or cracked cylinder head. It leaks to the outside and has not effected the performance at all, however, the coolant consumption has increased. Joined When this first happened (some weeks ago now) it started to display the "Coolant - visit workshop" message. The issue means that from a start even if I put the excelerator to the floor the car only creeps forward and then picks up. This might also allow oil to enter the Ok so the ML is fixed, now it's the C32's turn. check coolant for oil and vice versa (head gasket). 730: 7,5-8 L: 250000 km/ 180 months: G11 (green/blue) W203 C-Class. alex163 Member. Only when I looked when the engine was running but cold, I could see a constant drip out of the centre of the pump. It is time to replace my weeping head gasket. MERCEDES-BENZ C240 2005 W203 Owner's Manual PDF Download. They rep0laced the filler cap. I noticed recently that my coolant resevior was empty, open the radiator cap and it was low as well. Sep 20, 2011 #3 OP . A couple of days ago I got a "Coolant - Visit Workshop" warning up on the dash of our 2003 W203 C270 CDi after driving for a couple of miles. I have a w203 c220 cdi 2001. Seeing as it was only 2L I didn't think it would throw off the mix that We're losing slight coolant on our W204 CDI 2. Next, you want to remove the hose connected to the bottom of the tank I was sceptical of this when my coolant light would,nt extinguish, so regardless what i was told i replaced the coolant switch, the light was still on, took the the previously given advice washer bottle switch replaced, and low and behold coolant light out. Basically I‘m losing around 250 ml/ 1 cup of coolant every 9000 km/ 5000 miles. 008) 150 hp easily at AUTODOC Fast delivery and low prices Discover now for yourself Another problem that I found in my car is the coolant level has always less than the threshold level after sometimes where I found the coolant splashed out through the reservoir cap. CarManualsOnline. When i am in the city i hear the fan working well. Over time, the coolant can degrade, losing its effectiveness. I noticed on the silver fittings around the rubber W203 2002 c180 Jan 16, 2016; Thread Starter; Thread starter #19 pattiodors said: Just as a side note, in the uk I believe that any refrigerant system when tested, if it is found to be leaking must not be refilled until the leak is found, repaired and leak tested with nitrogen up to working pressure, and that it holds pressure Find many great new & used options and get the best deals for Mercedes w203 (01-06) Expansion Tank to Radiator Hose GENUINE coolant water pipe at the best online prices at eBay! Free delivery for many products! So over the last few days my coolant level has diminished to the point of my coolant warning message coming up. Coolant temperature was around 60 degrees at the time. ContentsSafety and Security. 【TOP DEAL】⚡️ Order Coolant temperature sensor for MERCEDES-BENZ C-Class Saloon (W203) C320CDI (203. 2015 - 2020 Ford F150 - 2018 F150 losing coolant. My 2003 dodge grand caravan sport is not blowing heat out of the vents. Hi, I have recently bought a W203 C Class 200 SE Kompressor Auto. A Just dealing with the coolant loss. Most likely issue probably your coolant tank cap which most ppl have had an Causes of Losing Coolant With No Visible Leaks. We went to the dealer they made a diagnosis and said we need to replace the electric If you are losing coolant over a longer period, two to three day’s, but it has gone, vanished. 222 posts · Joined 2007 Add to quote; Only show this user #2 I'll show you how to replace the coolant (antifreeze) expansion tank and you can use this on how to do a coolant flush. They've ruled out the radiator oil cooler for gearbox and the seals on the engine oil cooler. - Nick at Pelican Please I have been seeing this alarm on my dashboard LCD (C320 W203) after I changed my engine. Fill the coolant reservoir with the coolant mixture up to the black line on the reservoir, place the coolant cap back on the reservoir. Mercedes looked at it 10 months ago and could find nothing wrong. Go. Search in MERCEDES-BENZ C320 2003 W203 User Guide online. 8L - 4 door) has leaked all of it's coolant. This is a multi-use video that be use If not addressed, a coolant leak can cause extensive damage to your car’s engine. I checked the coolant level and it was fine. Mercedes-Benz W203 Coolant Temperature Sensor Replacement. With the cooling system drained and the radiator drain plug in place, make sure the engine block drain plug is tight. A blown head gasket can cause coolant to leak into the combustion chambers and burn off. W204 losing coolant I have a 2011 C220 CDI and noticed this problem early this year, it need topping up once a week, contacted Mercedes who said it was a problem on them and was fixed in a half day free of charge. If your Mercedes Coolant level warning comes on the cluster it's possible that you have a coolan leak. Cooling Fan problem - w203. Personally I'd stick to VW's coolant since it has better chemistry with the metals and whatnot. Swapped that out, swapped out the hoses into the tank and the coolant recovery tank hose (the Y hose at the top and front). It can cause coolant to leak into the exhaust system, leading to a loss of coolant and an increase in engine temperature. You will find all the videos I made about this car in this Playlist :https://www. Figure 6 With the air intake removed you can now pull the auxiliary water pump (green arrow) from its mount on the tank (it just pulls straight out), remove the coolant level sensor plug (yellow arrow) along with the wires for the pump and sensor from the bracket (blue arrow) on the front of the tank. Added moderate amount of water to system. 【BLACK FRIDAY up to 47% OFF】⚡️ Order Coolant temperature sensor suitable for MERCEDES-BENZ C-Class Saloon (W203) C 180 2. Anyhow, if you did want to replace it’s 3. Need to fix it ASAP. 5 years I had it. No, I'm not doing it myself, I don't have the time. 5l LCV I have been loosing coolant and I can't find the leak. 2005 C230 kompressor sport, 6-speed manual 1982 Porsche 911 SC. I own a 2007 W203 C200 Kompressor 6 Speed Manual (Facelift version & the last batch of W203 in India) I bought the car back in March 2022 and got the car completely serviced recently which included complete engine oil drain, intercooler drain, brake fluid drain, new oil filter, air filter, spark plugs, mechanical arms & bushes, brake discs and My car is a 2001 c class W203, I have no heat in the cabin 90% of the time and only 10% of the time I have little heat only if the fan blower setting is halfway. Topped it off. 2 XLS DC 4x2. Typically, northerners call it “antifreeze” and southerners call it “coolant. - at this point 'Coolant malfunction visit workshop appears' Engine coolant level OK and not overheating. Faulty water pump: A worn or damaged water pump can result in reduced coolant circulation, leading to coolant loss and potential overheating. Never leave home without a jug of anti-freeze in the trunk. Should the radiator become ineffective or start to leak, it will not be able to perform this vital role correctly, and may also contribute to the draining of the water system, The water pump pushes the coolant inside the engine, taking away the heat generated by combustion. Losing this much coolant there must be someone that can help me out with some diagnostics. Start the car to circulate coolant and stop leak product. 0L diesel losing coolant. MERCEDES-BENZ C240 2003 W203 Owner's Manual PDF Download. 8 Kompressor (203. 85 on highway, 95 max in the city with a lot of circulation. Car starts normally. A. Is it located on the underside of the car, or to the side of the engine block near the At first I was getting Code 3 every 150-170 miles or so, and topping up the coolant shut Code 3 up for a while. Reactions: HITECH and trapperjohn. A coolant pipe was seeping the coolant slowly . You will find all the videos I made about this Mercedes w203 in a Playlist :https://www. 00 R 280. When the engine coolant level is low, the water pump may not circulate coolant and cool down the engine. Joined Aug 9, 2010 Messages 38. Can any one help me. On the end that is fitted to the block with cap screws is this O ring. 8litres of MB Spec 310. Car A Rac presents recommended by manufacturers types for all popular vehicles. Regards to all. Whether it is an E46 or W203 remains to be seen. Had the shop The radiator is the hub of your Mercedes coolant system, and is responsible for cooling down the water/coolant once it has circulated the engine, preparing it to make another cycle of the engine. Failed coolant reservoir: The coolant reservoir in your vehicle is designed to store excess coolant and provide a buffer for temperature changes. Never saw drips, never had any indication other than routine checks on the coolant. i have an 04 F250 with 133kms on it. Glad we could help. coolant leak As i was about to say ,i had this problem on my 260 . I suspected the pump but couldn't see any signs of a leak. 046) 143 hp M271. Topped off the radiator, filled the resevior, and with a week the resevoir was empty and the radiator low. If your coolant level is low, with no obvious leak, and your car has a turbocharger, there might be a failure in the seal between the compressor and the engine. It's looking dry around the tank but I do hear hissing when it's had a run. When this occurs, serious My 2022 Outback has been constantly losing coolant since I bought it, needing to have the empty reservoir refilled with coolant every 5 to 6 months. . It's looking dry around the tank but I do W203 C-Class 2005 c230 Kompressor Coolant Leak. If you are having problems with your coolant level sensor, do not worry as it may be one of the easiest and fastest repairs you can make on your Mercedes-Benz W203. I pulled over to take a look. 4 weeks ago I checked everything thoroughly with a bright torch. 1. Thermostat failure: A malfunctioning thermostat may I have a 2002 C230 Sportscoupe with 200,000 miles. Some moisture int he oil is normal. Jump to Latest Car has no codes, not leaking coolant, If you are not losing coolant , most likely it's a bad oil cooler gasket. 1/2 turn and release the pressure. I waited for a long time, more than 10 min and the pressure did not drop. Looking closer today, the subframe under the radiator seems to have puddles of water in it. I recently changed the thermostat and can see blue coolant residue which appears to have came from the thermostat and also from the auxiliary pump more blue coolant residue on it. Jump to Latest Open coolant reservoir, and find low water (no alerts on dash) with dark colored sludge at bottom of tank. Followup from the Pelican Staff: Thanks for the feedback. If you can’t get your hands on the official Mercedes stuff, any G40-spec coolant should do the trick. If your coolant is old or failing this would be a good time to give the system a flush. Coolant Temperature The coolant level is checked (when the engine is cold) by opening the cap, and seeing if the level is above the "T" shaped piece of plastic in the expansion tank. W203 C-Class Blown Head Gasket. My wife has a C180 1994 and over the last year has been losing coolant consistently - 1 litre a month approx. Wait until the car cools off before topping it off with coolant. CarFax for this W203 shows even some recommended maintenance being performed at MB dealer, the latest being @ 96K miles, so at least something has been done to it. the car is w203, also checked my friends w211, the wires looks the same . 2004. Add to Wish List Add to Compare. Jump to Latest 7K views If you keep losing coolant and you dont see the puddles on the ground you may have an intercooler leak (pretty common). 5 designations before being superseded with the . The only place obvious is this area in the below image, its literally where the aluminium pipe joins the part, I believe the part is the EGR cooler??? Is this a common place to leak? Only reason we think its this is because there is like a blob of what looks like dried out coolant. Even when I just start the car and the coolant is not hot/warm yet, the alarm pops up and refuse to leave the screen till now. Let the car idle to allow the stop leak to circulate through the radiator. I drove home from dealership (5 miles) and when I went to start it the next day the coolant light came on. 020) 224 hp easily at AUTODOC Fast delivery and low prices Discover now for yourself Figure 6. So, I need help from experts on this forum so as to know what to do next because, whenever i refill the tank again and driving around 20 miles, the coolant level would W203 C-Class Auxiliary Water Pump. Total cost - £40. Figure 5. Typically, a coolant replacement is advised every I checked the engine coolant level sensor as that was easy to get at, but the washer sensor appeared a daunting task to get at so in the end I took the car to my local Mercedes independent. Coolant drain plug location. Week or two after i was still low on coolant . The sensor change with a new one but the warning light is still on. All pipes, pump and radiator appear bone dry before and after the thermostat has opened. I chose to change it because it was a green colour from a previous change by others , Hello everyone, on my c32 amg from 2001 today the message coolant visit appears. Now the engine is cold the level is much lower than I Cooling system components. 387 HI ALL Does anyone know what the voltage should be at the connector that plugs into the fan. Learn to recognize critical symptoms like engine overheating and white smoke, and discover preventive measures to maintain your coolant levels. Jump to Latest every couple of years. M. They are SOFT, so if you torque to much, the head will snap off! Lost three of them before I figured out to take it easy . OP. The car drives fine but keeps losing coolant. Add to Cart. youtube. These leaks can lead to losing coolant, causing the engine to overheat and potentially fail. The car is now with John Haynes, who subsequently found water in the engine oil. All my coolant problems stopped when I had my water outlet replaced. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23 【TOP DEAL】⚡️ Sensor, coolant level suitable for MERCEDES-BENZ C-Class Saloon (W203) from 2000 MY from various OEM part manufacturers. ) I am 75, I am a retired Engineer, I have owned many vehicles and know this is not normal or acceptable. 00. i could hear a hissing noise coming from below the engine Slow coolant leak, EGR cooler? Bimmerpost ☰ Model Selection. For me, I think it's time since I haven't seen a change in the service history. hey guys. Alternatively premixed coolant can be used. I have been using the car with Make sure that you also have the right pressure cap on the reservoir tank. 035) 129 hp M111. However in w203 240 there is no viscous only electric fan. 0 (203. Losing coolant no obvious leaks. I took it to a garage and they did On the M271 engine (early W204) I’ve read that the coolant should last 15yrs! So it is definitely worth saving if you can. Dash Diplaying Coolant Visit Workshop Temp moves up to normal and car does not over heat but fan not kicking in My question is what should be the voltage at the Working on my friend's S430 which is leaking a decent amount of coolant from the driver side. So i thought i would have to do the head . Open the cap of the cooling system slowly; turn a conventional coolant cap as far as the first detent and turn a screwed coolant cap approx. better yet get oil analyzed or get a compression check. Several parts have been replaced including a water pump. If it fails, I'm only losing $22 and some time. Checked and couldn't even see the float and proceeded to add 3+ cups of coolant/water mix. Radiator cap failure: A malfunctioning radiator cap can lead to coolant loss due to its inability to maintain proper pressure within the cooling system. With a blown head gasket, the coolant could be leaking into the combustion Lowered coolant level with no leaks. I have a 2003 4Runner V6 with 108K miles on it and I am losing coolant. Save Share 2001 C200 Kompressor W203 M111 engine . What Coolant do I need? What Coolant do I need Hi The manual is minimally helpful, and Mercedes wants to sell me their overpriced coolant. Check your radiator hoses for a fine vapour spray around the connections, there will be no visable sign of a leak because the coolant has evaporated into steam leaving no trace. If your coolant reservoir is empty, you may be slowly losing coolant. Worth looking in to. Hi I have a 2002 C240, im losing coolant like every day always have to add more. All lost coolant regularly. Please help!! - I have a 2018 3. The car has never overheated, as I top up the water in time. I topped it up with the engine still warm. With all hoses connected, coolant tank topped off, and stop leak product placed into the cooling system, start the car. To find the dripping don't rely on looking under the car, due to the water finding its channel and dripping off anywhere it finds, you may want to check from topside, looking in front at the water lines and the radiator, standing on the side and checking too. T6 Pro. 263 posts · Joined 2019 Add to The coolant is under pressure when the engine is running and the leak wasn't visible. 18 posts · Joined 2011 Add to quote; Only show this user #1 · Feb 22, 2011. You could never see where it went, but you did need to be checking constantly for it. I topped up the car with about 2L of coolant a week ago (just coolant) and I read on some other posts that if the mix isn't 50/50 it could be the source of the problem. I have changed the cap, thermostat, water pump without founding the problem. The coolant tank is located in the engine bay on the I've been losing coolant for a couple of months now. My question is could the auxiliary pump be causing the car to get too hot? Replacing the water or coolant pump on W203 is certainly a doable job for a DIY'er but it is not a quick job. The VIN is WDB2030061A108 Hello! I have a W203 C230 Sport 2007 in the Middle East. So far I have pressure tested the cooling system at 20 psi and found no leaks. Joined Aug 25, 2006 Messages 31,545 but still far from compared W203 with same engine, that gave 55 degrees even in stand still engine running, A common problem with the cooling system in the C 270 CDI is radiator leaks. Joined Mar 18, 2010 Messages 84 Reaction score 0. Breathed coolant fumes off and on for the first five years I had my car and checked coolant constantly and was losing very little but could never see a leak because it was a small leak and was burning off on the head. I have checked the engine coolant level, Anyone losing coolant thru their radiator cap? engine will work on slightly higher temp and might not overheat but only few degree C more is enough to make mess with coolant . I found coolant at the rear of engine and it was dripping off the bell housing . New coolants can last a long time so if your coolant is good there is no need to replace it. If your Ford Escape is losing coolant without any visible leaks, there are a few potential causes to consider: 1. The car was just repaired days ago for leaking coolant. 2. Losing Mercedes only requires a coolant flush every 15 years or 250 000km. I don't know how low it was before hand. As my car is not the same,, but the idea may be. Mongo. The cooling system can now be View, print and download for free: Cooling system - MERCEDES-BENZ C240 2003 W203 Owner's Manual, 376 Pages, PDF Size: 5. ” Regardless of what you call it, it’s a good idea to flush your cooling system Is your BMW losing coolant but the engine isn’t overheating? Don’t panic, help is here. com/watch?v=BoeXrXZ2TnQ&list=PLnqEIg0csmbEKmhqN35PWJWokCZtmxpIiHow Check out how to diagnose a coolant leak on your Mercedes C-class with this easy to follow video! Also, if you need instructions for replacing the water valv -engine head has a crack between exhaust and coolant, does not loose water, But sucks exhaust that create a airlock again. The following is a summary of how I did it. Here is where I need help. LostKiwi Senior Member. Now it is getting more frequent, about every 90 miles. 951 easily at AUTODOC Fast delivery and low prices Discover now for yourself You are going to need to drain the coolant to replace the water pump. If your C-Class is losing coolant, that means there is a leak somewhere or it is getting burned up inside the engine. I have a W204 2011. Step 5 – Fill and bleed cooling system. W203 C-Class Coolant Service Malfunction. The car drives ok, no overheating, no smoking whatsoever at exhaust. W203 ENGINE COOLANT THERMOSTAT 2001- R 360. While I'm no stranger to Merc ownership, this is my first 'modern' Merc. What I did on my ML and C240 W203 was drain the system. If your car is losing coolant with My bet is that is the cause of your oil getting into the coolant. Joined I recently changed the stat on the W203 C200 Kompressor - I used the same trick - Draining the expansion tank meant that I could remove the stat housing without losing a drop of coolant. 97 MB. Stay informed with regular 51 Plate W203 The level in my coolant expansion tank dropped sufficiently to bring on the warning light. Dealer clueless. It'll sludge and turn brown. Search in MERCEDES-BENZ C240 2003 W203 Owner's Manual online. The drop in the pictures is over 1007km and 8 days. It’s not just about topping up; complete replacement is necessary at intervals recommended by the vehicle manufacturer. Has anyone come across this before? Please help. Anyone of you have this problem solved ? Thanks you, all Losing that amount of water---- after leaving overnight- take out the spark plugs and turn the engine over- you will probably find coolant coming out of one or more plug holes. Save Share Reply Quote Like. Why Am I Losing Coolant But No Leaks? If the coolant levels are dropping, but you can’t find a leak, it’s probable that an internal leak is occurring. Today I have added the dexcool friendly W203 C-Class Troubleshoot Oil in Coolant. I reckon it was going between the water jacket into the cylinder and burning off. I don't usually like adding "stop-leak" additives to the coolant system. I have thoroughly checked my vehicle for any visible leaks, there is none. Huge brand selection at low prices Engine coolant suitable for Mercedes W203 Then I tried to check why coolant level is reducing and observed coolant spillage coolant expansiion tank hose and the engine auxiliary water pump but, I could not actually say which is leaking. E81 / E82 / E87 / E88Model Year: 2004 - 2011. I have an issue with my W203 2003 C32, the main problem is a "COOLANT VISIT WORKSHOP!" message and the radiator fan is not working. 5 F150 fx4 with 4500 miles on it now. Coolant leak: the difference between internal and external leaks. Nov 17, 2010 #2 M. For the past the radiator internal transmission fluid cooling coil can fail leading to the transmission fluid and coolant mixing -this eventually leads to gearbox damage. yiyvh rvns hmpl nork xcxq nrccvoo hao ziag rvhuzmxq atl