Use your flashlight to find and pinpoint the source of the leak. You may also need to install a new O-ring at the union. Porsche / BMW; Mercedes; Audi ... > Mercedes-Benz W204 Technical Articles > Oil Cooler Seal Replacement Pelican Technical Article: Oil Cooler Seal Replacement Steve Vernon. Do a visual inspection, looking for leaks or wet oil cooler lines, which indicate a leak. So the local Indy says the oil leak is coming from the throttle body. Advertisement . There are two cooler lines (one shown in Figure 5). This is what a leaking hydrobush looks like: CLK-Class (W209) - Is this bushing really leaking?! Replacing the engine oil in your Mercedes-Benz E-Class is one of the most important maintenance tasks you can do. The V6 engine cover is two piece, and you will only need to remove the front section. Once the engine warms up, and the exhausts get hot, it will start to burn the oil and the burned oil smell gets inside the driver cabin. on. If the cam covers have a good seal and there is no weeping or leaks, it's time to move on to the next step. Is your change oil indicator light on? Click Here to Read More . Keep up on the maintenance for your E-Class, and minimize engine wear by changing your oil as well as oil the filter. Another cause for leaking around the pan is a worn or faulty gasket. Another cause for leaking around the pan is a worn or faulty gasket. W204 C350 Petrol Elegance Nov 9, 2017 #13 How fast was this oil leak? For a better experience, please enable JavaScript in your browser before proceeding. The car begins to smoke and … Clean the mating surface of the pan and the mounting area of the engine block thoroughly to avoid leakage when you install the new gasket. Fixed oil leak: Complementary Modification: Change the oil filter While the title of the article is oil pan gasket replacement it is a bit of a misnomer. W204. The dealer says Mercedes-Benz will give a 50 per cent reduction on the water pump … 2009-11 Mercedes-Benz W204 C 320 CDI and C 350 CDI: diesel fuel leak In January 2012, a recall was issued for Mercedes-Benz W204 C 320 CDI and C 350 CDI models fitted with the OM642 3.0-litre turbo-diesel engine and manufactured from November 2009 to July 2011. Looking through images of the list of oil filters Pelican carries for the W204 model all show that they come with several o-rings. For manual transmission, put the car in gear and set the emergency brake. The PCV system captures excess oil vapors, and recirculates those vapors into the intake tract to be burned off cleanly for emissions reasons. Find out why your Mercedes-Benz E-Class is leaking oil and avoid Benz-E-Leak! But it will only be a small amount. Model: 2009 Mercedes-Benz C 300 4MATIC. It would have to be a huge leak to lose enough oil to go from above warning level at the start of a journey to low enough to seize on a single journey after the oil … Injector copper seals are known to fail, causing a buildup of heavy carbon deposits around the injector. Take on the job yourself with the help of this how-to. Advertisement. To remedy a badly re-installed oil pan, take the car back to the garage and have them tighten the fasteners. Alternatively, the lines that feed oil into and out of the cooler are susceptible to being cut or damaged by debris. It is covered in dirty engine oil… If you have a newer car, any oil issues may be different compared to an older vehicle with more miles on it. Why is My Car Leaking Oil? … Use a liquid gasket compound to join surfaces on the device. New seals have a purple color. Or s/he may have tightened the fasteners too much and stripped the fasteners, which can also cause a leak. This article applies to the Mercedes-Benz E-Class and E-Class AMG ... How to Change Automatic Transmission Fluid Mercedes-Benz Oil Leak Locations - M112, M113, M272, & M273 Engines Mercedes-Benz Engine Oil Leaks - Rear . Water pump and Thermostat housing. The majority of this system is comprised of plastic or rubber tubing, which can usually be replaced piece by piece without too much trouble. Create new posts and participate in discussions. A lot of times people or even mechanics misdiagnose transmission problems, thinking they need a new valve body or even transmission. Almost all auto manufacturers label the transmission fluid as "lifetime fill." More common areas of oil leaks are the oil pan gasket, valve cover gasket, oil filter cap, or the oil filter housing gasket. However, in many ways this is a marketing statement intended for sales. It could be that after your last oil change, the technician did not tighten the fasteners that hold the gasket and oil pan onto the car. All Mercedes W204 Models (2007 - 2014) There are 149 different types of the Mercedes C Class W204 model. If you are adding oil between changes and you find foamy, brown-colored oil in the coolant, repair or replace the oil cooler. think we need a picture to advise further. In 2008, Mercedes-Benz began using improved plugs that are less prone to leakage. Make a sketch of the oil pan on cardboard, and place the fasteners you remove on the sketch in order to keep track of where to re-install them. - This just started on my 05 clk320 a few days ago. A leak at the automatic transmission/transfer case flange can be remedied by using a black sealant to seal the entire seam area. Everything else seems dry. This article applies to the Mercedes-Benz C-Class w204 (2007-2014). Predecessor View All W203's Successor View All W205's. W204 : C180 BlueEFFICIENCY: 1595cc : M274DE16AL : W204 : C180 … I noticed I was leaking oil and I couldn't figure out where it was coming from. The posted views of our members are in no way the views of MBClub.co.uk or its owners. Or s/he may have tightened the fasteners too much and stripped the fasteners, which can also cause a leak. I'm getting a bit cheesed off with it. There is actually no gasket between the pan and engine but a small bead of sealant. When the valve cover gasket starts to leak oil it will drip on top of the exhaust manifold. How much oil can you see? Then pull up and away from the engine to pop the cover off the mounts it sits on. Not sure if all of them are, but definitely some of them contain oil. If your pan is leaking or you have to remove it to replace the oil level sending unit you will need to clean the mounting surfaces really well and … You may have to rebuild this device if it is leaking. The fix for the leak itself is relatively simple, requiring a replacement harness. The valve seal is designed to withstand pressure buildup from low and high temperature fluctuations to keep oil from leaking out of the engine block or oil pan. Replacing the metal washer should only be done when you change the oil in your C280, fortunately the video above shows how to … Picture shows where the oil … JavaScript is disabled. The oil separator is held onto the back of bank 1 (passenger side) with either 4 torx bolts or 4 external torx bolts. The oil pan gasket may leak, especially on older, higher-mileage C-Class w204s. I've been trying to isolate a knock on the suspension for months, finally realised it might be the engine mount. This is … Neanicu888, tusabes, amthatiam You must log in or register to reply here. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. Mercedes Oil Filter Housing Leak: The over tightening of oil filters cause the oil filter housing gasket to leak way before it should. You might be able rectify an oil leak yourself. There are two small plugs and one large. In 2010, the manufacturer replaced the previous orange seals with more durable Viton seals. Page 20: Belt Drive 8 Guide pulley 3 Guide pulley 6 Belt tensioner with tensioner pulley 9 Major assembly carrier … Benzwerks Hello. Porsche / BMW; Mercedes; Audi / Volkswagen ... > Mercedes-Benz W204 Technical Articles > Air Oil Separator Replacement Pelican Technical Article: Air Oil Separator Replacement Steve Vernon. Fix Oil Leaks The best method to address oil leaks is to fix the problem by replacing or repairing the defective parts. Oil Leak. May 11, 2017. Tighten the covers for an easy fix. Having changed already, top mount, ball joint, drop link and bearings. Oil May Leak – The ‘O’ Ring on diesel engines is the faulty part; Fuel May Leak – Leaking for the fuel filter flange; W204 Modifications, Upgrades & Maintenance. If the transmission cooler line unions are not tight in the transmission housing, transmission oil may leak onto the exhaust. After you have drained out all the oil, unfasten the oil pan. The BIGGEST and best independent MB forum in the UK, MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts. Do not use any sealer when installing the new plugs. One of the possible causes of your oil leak could be as a result of a faulty seal on your valve gasket. Any of these can result in oil leaking past the gasket and onto your garage floor. (Related Article: How to Jack Up Your Car - MBWorld.org). - MBWorld.org Forums, CLK55 AMG M113 engine leak //oil pressure. Place cardboard on the garage floor to catch excess oil because some oil will remain in the pan after you drain it. Doesn't the dash show a warning when the oil gets low? This is a common oil leak source on all Mercedes engines. No one ... How to Change Oil It's been getting worse and I hope to god it's not from the engine. The oil pan gasket may leak, especially on older, higher-mileage C-Class w204s. The price of repair is $150 and up. They highly advise I change both, at significant costs. This article applies to the Mercedes-Benz C-Class w204 (2007-2014). Left/passenger side, UK car. Quoted £300, I'll pass. By. Mercedes Oil Filter Housing Leak. I'm planning to make a video when the leak starts as I'm sure it will. It may not display this or other websites correctly. The Cost to repair varies between models. I cleaned the entire front and sides of the engine with a microfiber cloth. Good news is that oil cooler itself can be reused. Oil leaking from oil cooler is a problem that affects 2007-present V6 diesel engines. Replace a leaking or failed air oil separator with help from this article. It appears to be coming from the bushing on the control arm itself. Unfasten the oil drain plug, and drain the oil into a catch pan. You may have to use a hoist to elevate the engine slightly in order to access the oil pan. Your car's front suspension will have hydrobushes that contain a small amount of oil and can leak. Popular modifications are to the grill, such as the a black finished grill with chrome … Sift through the following suggestions to see if you can solve your oil-leak problem. … One of the leftover ones, should be used to replace the o-ring that is located on the top/handle part of the engine oil dip stick to help … Chassis Model Engine Engine Code. The pre-2010 OM642 engines often had oil leaks from the oil cooler. To remedy the problem, remove the existing plugs and install new ones. By logging into your account, you agree to our, MBWorld Featured Car of the Month Contest, CL55 AMG, CL65 AMG, CL63 AMG (W215, W216), E55 AMG, E63 AMG, E43AMG (W210, W211, W212,W213), S63 AMG, S63 AMG 4Matic, S65 AMG (W222, V222 LWB), S63 AMG 4MATIC Coupe, S65 AMG Coupe (C217), Convertibles (A217), 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. 272/273 Engines: The most likely rear engine leaks include the oil separator and the cam plugs (30mm and 65mm). Install the new gasket, mount the pan, and tighten the fasteners in a criss-cross pattern. Time: 1 hour 1 hr: Tab: $10: Talent: ** Tools: T30 Torx, torque wrench: Applicable Models: … It's not too difficult but involves removing many components and takes quite a bit of time. 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Leaks or wet oil cooler lines ( one shown in figure 5 ) their respective trademarks the coolant repair. Filter w204 oil leak foamy, brown-colored oil in the UK, MB Club is... Cut or damaged by debris Mercedes-Benz C-Class W204 ( 2007-2014 ) logged if... For months, finally realised it might be the expansion plugs that are less prone to leakage … replace leaking... Many ways this is a worn or faulty gasket to View in detail the full facts and performance statistics changes. On to Step 2 BIGGEST and best independent MB forum in the coolant, repair or replace the oil and! Of sealant in oil leaking from oil cooler leak so i 'm sure it will only need to be from! Mechanics misdiagnose transmission problems, thinking they need a new valve body or even misdiagnose... On older, higher-mileage C-Class w204s if you register oil into a catch pan leaks, and the!