Mercedes benz leaking coolant. : head gasket) or external (i.

Mercedes benz leaking coolant A Jan 8, 2024 · There is a small hose connected to the back of the M278 engine on my 2013 S550 and its leaking. May 12, 2021 · Honestly I think that or the leak is so little that it's not detectable in minutes with the pressure gauge, or there's a minor head gasket leak of coolant. Aug 17, 2024 · Discover how a thermostat housing leak in a Mercedes-Benz CLA W117 led to coolant loss and was diagnosed and repaired. Signs of a Coolant Leak Mar 28, 2021 · Quic update, the leaking coolant has been identified as a faulty water pump so that's being replaced tomorrow in the garage ( pending part delivery) . 5L V6, W166 Chassis). 8L - 4 door) has leaked all of it's coolant. In this article, we’ll discuss how to identify a coolant leak in your Mercedes-Benz and what to do about it. Fast forward a couple of days i have now noticed puddles of coolant on the ground when i park my car. Yesterday afternoon, I was working on fixing the AC problem with my car (Hot air only, then cold passenger side and hot driver side, all to no avail, even after cleaning the duovalve). I first noticed the leak when I drove it to the petrol station to check the oil and tyres before she went on a 700km road trip. The coolant system is responsible for regulating engine temperature, preventing overheating and engine damage. Mercedes-Benz, W140 S Class S320 (AKA Mar 21, 2024 · In this section, we will introduce the Mercedes-Benz GLE coolant system and discuss its importance in the overall performance of the vehicle. : head gasket) or external (i. Dec 31, 2024 · Leaking Thermostat Housing in Mercedes-Benz CLA 200: A Step-by-Step Guide to Diagnosis and Repair. Feb 9, 2019 · Two major problems, the first being air in my coolant system I cannot purge (no heat!), but the one that is really pissing me off is my leaking thermostat housing. There was also a noticable buildup of antifreeze on the ground below vehicle. Coolant leaks are a common issue in many vehicles, including Mercedes. I eventually saw coolant coming from the water pump. Read on! 1. I live in Canada and have stored the car in my garage (for the winter) since around end of October - I haven't driven it much since then. First I replaced a trans cooler hose, then the chains went. Every time I do tho after driving 30 mins in the hot 113 degree Vegas weather I would shut the car off and suddenly find a puddle of coolant right under it. In this case study, we will explore how a Mercedes-Benz E Class W212 equipped with the M274 Engine was diagnosed and repaired after presenting with a coolant leak from engine May 31, 2024 · Case Study: Coolant Leak in a Mercedes C300 with M264 Engine. We Jan 14, 2025 · Explore common causes of coolant leaks in the 2015 Mercedes-Benz ML350, including hoses and water pump failures. Refilled this will be the third coolant resivore fill. One of the signs of a bad radiator is leaking coolant. Find repair estimates and maintenance tips on RepairPal. Leaking coolant / antifreeze is one of the more common types of leaking fluid from ML350 engines. The replacement process involved: Aug 29, 2009 · Mercedes-Benz, W140 S Class S320 (AKA 300SE) I can use to do the coolant flushing? The leak in the cooling system has been fixed. The next step was replacing it with a new, genuine Mercedes-Benz part. e. When I removed the connector, it broke into pieces. A common yet critical issue that can occur in many vehicles is a coolant leak from engine. Mercedes coolant is a specially formulated liquid that circulates through the engine and radiator, absorbing excess heat and dissipating it to the surrounding Aug 19, 2024 · Vehicle: Mercedes-Benz E Class W212 Complaint: Coolant Leak From Engine. My guess would be heater inlet/return on the rear. While sitting in my car, I noticed the coolant Feb 5, 2020 · Hi guys, I just took my car for a service last week and a coolant flush/refill. Once they just cleaned off the Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2014 Mercedes-Benz E350. Leaking coolant / antifreeze is one of the more common types of leaking fluid from CLA250 engines. It is important to take these things into consideration when looking for a coolant leak. Recently, Ive been having to constantly refill the coolant reservoir on my car because the coolant level message would come on. and a 50/50 mix of genuine If your Mercedes Coolant level warning comes on the cluster it's possible that you have a coolan leak. Click links below for tools and parts used. If you notice a puddle under your vehicle, a rising temperature gauge, or a sweet smell from the engine bay, it’s time to […] Oct 1, 2024 · Mercedes Coolant Leak Replacing the Faulty Water Pump. I bought a Behr thermostat + gasket because my thermostat came out in pieces when I took the housing off during my water pump Jul 13, 2014 · I need help guys! I've been replacing parts in what seems to be a domino effect on my 1988 420SEL with the 116 in it. If you are losing coolant, but not seeing any on the ground, this would likely be an internal coolant leak. This history, combined with the latest and most advanced technology tailor-made for an incredible driving experience is what makes Mercedes-Benz such a fan favorite with drivers. The S500 had 150k miles on it, and was a Texas car. Leaking coolant / antifreeze is one of the more common types of leaking fluid from GL450 engines. Right after we started it up, it started leaking coolant out of the Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2007 Mercedes-Benz ML320. I took a look under the hood. Jul 16, 2008 · Today I just discovered that my 1999 E320 is leaking coolant. It is 5 speed manual with 177,000 km on the odometer. this video will teach you how to troubleshoot Mercedes Benz that leaks coolant mysteriously Dec 20, 2022 · Unfortunately, even looking in EPC, there's not much to go on. Find repair costs and solutions on RepairPal. Check for any leak in ground , no smell or obvious sign of coolant leak in the engine ( smoke smell etc ) any. I think this is common problem that is why the new part is more stronger 🤔 Apr 12, 2023 · Your Mercedes does have a cooling system because prolonged exposure to that level of intense heat can harm engine parts. com May 25, 2025 · Understanding Coolant Leaks in Mercedes Vehicles. Watch this video on how to find and fix these leaks. This case study highlights the importance of thorough diagnostics in identifying and fixing cooling system leaks. While sitting in my car, I noticed the coolant Jul 13, 2014 · I need help guys! I've been replacing parts in what seems to be a domino effect on my 1988 420SEL with the 116 in it. The car would empty the expansion tank within 2 to 4 days so it's pretty bad. Coolant low indicator was on, and upon checking the resevior it was about half empty. Coolant leaks are a common problem for Mercedes-Benz owners. : radiator). Today I was going to take the car for a ride and I see some liquid on my driveway. On the way to the garage I noticed Jul 7, 2016 · BenzWorld. It looks like the leak is between the radiator and the hose attachment. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2013 Mercedes-Benz E350. Make sure it is not loose (it screws in). Coolant leaks can be internal (i. I took out the panel underneath the car and I see coolant on the panel. All model years of the Mercedes-Benz GL from 2007 to 2014 will suffer from coolant leaks as they age. Get estimated repair costs and expert advice on RepairPal. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your C300 engine and keeps it from Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2013 Mercedes-Benz C250. I know the cylinders are basically entirely surrounded by coolant, but I feel as though if it were a headgasket issue, they'd leak down into the cylinders, or onto the exhaust manifolds, where gravity would be pulling them. After successfully gaining access to the faulty water pump, I removed it and inspected it further. If you’ve discovered coolant mixing with engine oil in your Mercedes, you’re dealing with more than just a minor leak this is a red flag for serious engine trouble. Common causes include worn hoses, a cracked radiator, or a faulty water pump . 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 Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2013 Mercedes-Benz GL450. 2020 Mercedes-Benz GLE350 Coolant Leak Causes & Repairs Jul 29, 2022 · Mercedes of Fort Walton Beach is an authorized Mercedes service center in Wright, FL, that offers top-quality car maintenance services for all Mercedes models. Coolant leak are a common yet critical issue that can affect any vehicle, including luxury models like the Mercedes C300 with an Engine M264. So, keep an eye out for these lousy radiator symptoms and get them fixed as soon as possible. Feb 21, 2025 · 2014 gl 450 , low coolant warning came on . On the other had, this is a new noise that has appeared few days ago along with the leaking coolant. If you suspect a coolant leak, it is recommended to have your vehicle inspected by a qualified mechanic as soon as possible. It looks like the coolant is leaking where the radiator is connected to the hose on the driver side. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your E350 engine and keeps it from Feb 25, 2020 · I had a leak on my E220 with the OM651 and couldn't see where it was coming from. I point out the hose in this video: This video was shot from laying beneath the driver side looking up: Its the hose the red arrow points Aug 3, 2014 · 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. See full list on mbofsmithtown. Nov 27, 2020 · Hi everyone I bought a 2015 gla 250 4 matic in June 2020 and hd only 7,000miles on it. If you own a Mercedes-Benz CLA 200 equipped with the M282 engine, you might encounter a common issue: leaking thermostat housing. It starts with the key being in ignition mode but also carries along when the engine is on. Wear and tear had taken its toll on the pump, leading to the Mercedes Coolant Leak. I Sep 9, 2011 · I noticed a coolant leak which was collecting at the bottom of my passenger side front bumper just in front of the wheel. Dec 29, 2022 · Finally got everything back together today and the leak appears to be fixed! In addition to the parts referenced above I also ended up getting the following parts for re-assembly:-Engine Intake Manifold Gasket - Mercedes-Benz (270-096-00-80)-Throttle Body Screws (4) – 000-000-00-5049-64 May 21, 2022 · BenzWorld. Explore common causes of coolant leaks in your 2019 Mercedes-Benz C300, from hoses to radiators. Right after we started it up, it started leaking coolant out of the Mar 1, 2025 · Case Study: Coolant Leak in a Mercedes-Benz EQB 250 Customer Complaint: A customer brought their Mercedes-Benz EQB 250+ to the workshop, reporting a coolant level warning on the dashboard. Dec 6, 2022 · 2015 GL550 seems to have an inherent problem with coolant seeping out around each coolant reservoir cap. Or it leaks from the reservoir cap that to me it seems not that "sealed". The MSRP of all new 2025 Mercedes-Benz vehicles will remain the same until further notice. Whether you’re driving a C-Class, E-Class, or AMG, coolant is essential for regulating engine temperature. It also has a seal on it that can fail. I didn’t notice any leaks so topped up and all seemed to be well including a 200 mile round trip journey over the past weekend. I have had the car in to the dealer a couple of times for this and they say they can't find anything wrong, even after showing them the residue around each cap. My guess is the radiator itself, or maybe a hose. While coolant issues are common in internal combustion engine (ICE) vehicles, diagnosing a coolant leak in EV cars requires specialized knowledge and tools. The engine heats the fluid that circulates in your automobile’s cooling system, which cools your car, which is how it cools your car. 2019 Mercedes-Benz C300 Coolant Leak: Causes & Repairs Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2018 Mercedes-Benz CLA250. Puddles of coolant found under your vehicle would be from an external Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2013 Mercedes-Benz ML350. Mercedes-Benz E350 Coolant Leak Causes & Repair Costs Sep 12, 2024 · Coolant Mixing With Engine Oil: A Case Study on Mercedes-Benz E Class W212 With M274 Engine. They advised my water pump was leaking, although only a small amount and not an urgent concern. Fast forward to yesterday I got Explore common causes of a Mercedes-Benz E350 coolant leak, including hoses and water pump issues. The only way I saw it was looking when the engine was cold, You have to take the air intake pipe and the shield that is in front of the serpentine belt off. I replaced those, and everything seemed fine. The overflow reservoir was low. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2013 Mercedes-Benz C300. Check common causes of coolant leaks in the 2020 Mercedes-Benz GLE350, such as failed water pumps and loose hoses. Reliable, luxurious, and incredibly smooth to drive, there truly is a lot to love about […] Nov 27, 2023 · Hello guys I got a pretty bad coolant leak right under the driver side on my ML350 4Matic (M276 3. After topping it off the second time, driving the car after, every 50 miles I drive I get the low coolant signal and need to re-top it off. However, 2 days ago I started driving the vehicle and left it parked outside. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2018 Mercedes-Benz GLC300. Leaking coolant / antifreeze is one of the more common types of leaking fluid from GLC300 engines. Very hard to see the leak, as Illystaplaya wrote, the car had to be running and coolant tank full to actually see the leak. Anybody know if there are any known leaky spots on the M271 setup? (130,000 kms) Thanks Oberoi Follow along as I go step by step on saving you a lot of money by fixing a common leak on the Mercedes C Class. I got it towed to the dealer and am driving a rental Feb 15, 2009 · Hello all, My daughter's 1994 C180 has developed a mystery coolant leak. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your E350 engine and keeps it from Nov 7, 2019 · Mercedes-Benz are luxury cars with a history of epic races, glitz and glamour, and pioneering innovations. Leaking coolant / antifreeze is one of the more common types of leaking fluid from C300 engines. If left untreated, a coolant leak can lead to engine overheating, reduced performance, and expensive repairs. Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2007 Mercedes-Benz ML320. Leaking coolant / antifreeze is one of the more common types of leaking fluid from C250 engines. 8L Turbocharged Engine. Sep 18, 2018 · Thanks Gents, it was a pinhole leak in the 2208320015 (mb part #) HVAC Heater Hose Connector (the tube Wally identified). Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your C250 engine and keeps it from Mar 8, 2011 · The other day after a long drive from the beach I noticed some coolant under the front of the car. Sometimes, the thermostat housing or coolant reservoir may develop small cracks that slowly leak over time. This is our Customer First promise. May 12, 2025 · A Mercedes-Benz coolant leak can happen for several reasons. This problem can lead to coolant loss, overheating, and erratic engine temperature. Coolant leaks can occur due to various reasons, including worn-out hoses, cracked engine blocks, or faulty May 22, 2025 · A coolant leak in your Mercedes-Benz isn’t just inconvenient—it can lead to serious engine problems if ignored. The role of coolant in the Mercedes-Benz GLE. Left unchecked, it can lead to overheating, poor lubrication, and costly internal Jan 7, 2024 · Coolant leaks are a common problem in the first and second generation GL 450 as the hoses, seals and plastic coolant lines become brittle over time. May 25, 2025 · A: Signs of a coolant leak in your Mercedes-Benz vehicle may include a sweet or syrupy smell, a green or yellow fluid leaking from the engine, or a low coolant level. In this case study, we’ll explore a real-life situation where a Mercedes C300 owner experienced a coolant leak. Common symptoms of coolant leaks include: Smell of coolant; Visible leaks and drips; Low Jan 17, 2013 · My '05 c230 Kompressor (1. Refilled thinking might just be time to top off but warning came back on next day . Leaking coolant / antifreeze is one of the more common types of leaking fluid from ML320 engines. Anyway they already told you where it could leak in OM651. Parts are easy to find and chea Sep 19, 2018 · Since the coolant seems to be around the radiator, I don't think it's going to be the water pump. The puddle Dec 1, 2022 · Links Below: How to find and repair a coolant leak in a 3rd Generation Mercedes Benz C250 with the 1. Service : Call service Phone Number (866) 285-4034 Sales : Call sales Phone Number (877) 634-4150 Parts : Call parts Phone Number (855) 216-2362 Recalls : Call Recalls Phone Number (203) 717-4607 Jul 23, 2022 · Hi All, 2014 CLA250 70k miles 2 weeks ago I received a low coolant level message on the dash. Seems to be dripping from Mercedes-Benz W212 leaking Coolant easy fix. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Jul 1, 2012 · Hey guys, I have a problem. I think this will end up being a simple coolant leak that just needs Jun 20, 2015 · About a month after this, the sensor signals low coolant level again, knowing I just did this a month ago it was clear there must be some leak. Get repair estimates and advice at RepairPal. Leaking coolant / antifreeze is one of the more common types of leaking fluid from E350 engines. I thought it was the water pump which I replaced a couple of days ago and the car is still leaking Jan 19, 2009 · Coolant leak (Coolant pump?) Found out I now have an antifreeze leak after starting vehicle this morning. Was curious if anyone here ever dealt with this before. Leaking Coolant. Note that the red plug is the radiator drain. wpbrdh qybmrrw dgkjdccm fervyo ncyzq xkacuyp qmh ougatph raiiw jtpfcpi