What should I do if my Mercedes oil cooler leaks?
Once the seals start to leak slowly the rate of leak will increase very fast. You may not initially get oil stains when parked as Mercedes models come with a fairly large undercarriage cover (aka belly pan) that can collect a significant amount of oil before it leaks over. Repair involves replacing the two seals on the oil cooler.
What happens when coolant leaks from the oil cooler?
As with the above symptom, it’s important to contact a professional mechanic as soon as you notice a coolant leak. If enough coolant leaks from the radiator or oil cooler, it can result in engine overheating problems and mechanical component failure. 3. Oil in the cooling system
What kind of engine leaks in Mercedes Benz?
M272 – V6 used from 2004-2011, C-Class, E-Class, SLK, CLK, R-Class, Sprinter, GLK M273 – V8 used from 2006-2014, E-Class, SL, S-Class, CLS, G-Wagen, ML, GL, R-Class 272/273 Engines: The most likely rear engine leaks include the oil separator and the cam plugs ( 30mm and 65mm ).
Can a bad oil cooler cause an engine to overheat?
If enough coolant leaks from the radiator or oil cooler, it can result in engine overheating problems and mechanical component failure. 3. Oil in the cooling system If the oil cooler adapter fails internally, you may notice engine oil in your cooling system.
Can a oil cooler fail on a Mercedes Benz?
Just like any other mechanical component however, your engine’s oil cooler can fail, causing a host of problems and degrading your engine’s performance and reliability. Today, our Mercedes-Benz mechanics in Melbourne explain the role of your engine cooler, as well as well as how you can identify signs of an oil cooler leak.
What causes an oil leak in a Mercedes Benz?
The oil that flows through the cooler is under very high pressure. If the cooler starts to block up from degraded oil, it can raise the pressure in the system even higher, causing seals to leak. It is for this reason we replace the cooler altogether along with the seals on engines with higher mileage.
Can a diesel engine have an oil cooler leak?
The Achilles heel of this engine, unfortunately, is the oil cooler seal design. We’ll go over which vehicles are affected, the signs and symptoms plus let you know what to expect on a repair. All models that were equipped with the 3.0L V6 diesel engine, engine code OM642, can be affected by this problem.
Where is the oil cooler seal on a Mercedes?
When purchasing oil cooler seals always get the factory PURPLE color seals that are made of Viton. The older or aftermarket orange seals will leak much sooner. Unfortunately, the oil cooler is located at the bottom of the middle of the engine “V” design. It is underneath intake manifolds, EGR equipment, coolant lines and the turbocharger.