Being owner of a vehicle is important, we often need it to get to work and for many of our daily trips. This vital part of our annual budget occasionally causes us surprises, being conscious of oil leaking on your car is one of them… In fact, an oil leak is rarely inoffensive and can quickly lead to the breakage of your engine if you don’t find it. If you are conscious of oil leaking on your Mercedes Benz M Class, you have come to the right place, we will first assist you to find the cause of the oil leak and, secondly, we will help you to remedy it, when possible.

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Identifying the origin of the oil leaking on your Mercedes Benz M Class

If you find out fluid leaking from under your Mercedes Benz M Class, the first action to take is to check all of your levels (power steering, engine oil, brake fluid, coolant) to discover if any of them can quickly be identified as the source of the leak. To limit the risks, it is absolutely fundamental to check your levels every 2 weeks to avoid any risk of engine breakage.
In our circumstance we will only be focused on circumstance you detect oil leaking from your Mercedes Benz M Class, as far as engine oil is concerned, the liquid will be quite viscous and in shades of brown to black and if it is gearbox oil, it will be rather in amber tones and will have a strong annoying smell.
It’s not constantly easy to find the cause of the oil that leaks on a Mercedes Benz M Class because of the space in the engine block, even so here are the steps to follow to find the origin of the oil:

  • Uncover the point where the oil falls, the region from which it leaks onto the ground…
  • Track down the path of the dripping oil to its start, if the blot is too important, don’t be reluctant to clean the engine block and drive to be capable to discover it with less effort.
  • To guide you, here is a list of the auto parts that mostly induce oil to leak from a car: the drain plug and its seal; one of your crankcase gaskets; the oil pressure switch; the oil filter; the transmission drain plug; the transmission sealing rings.

When possible, fix the part that made the oil to leak on your Mercedes Benz M Class.

Now that you’ve found the cause of the oil leaking, it’s time to get down to business. Obviously, for a while, you’ll be able to add more oil to top up the level, based on its severity, but be aware that this is not a long lasting answer and that the leak could get worse at every time. We are likely to show you the repairs that we think you can carry out on your own with some know-how, tools and according to the accessibility that you are going to have on your engine. No matter the reason, you should know that after repairing an oil leak on a Mercedes Benz M Class, you will have to change your engine or gearbox oil.

Oil leakage from the drain plug and its seal on Mercedes Benz M Class

In this situation, the methodology is quite simple, you just have to lift your Mercedes Benz M Class, if you can perfectly horizontal, remove your drain plug, drain your engine oil, change your drain gasket, tighten the plug to the appropriate torque and check the hot engine to make sure the leak has been repaired.

Oil leaking over from the oil filter of my Mercedes Benz M Class

In the case that your oil leak comes from your oil filter, you will basically need to change it. To accomplish this, take a filter wrench, remove the old filter, being sure that the gasket does not stick to the engine, place the new filter and tighten it moderately. Same evaluation, hot check if oil is leaking from your Mercedes Benz M Class.

Oil leaking from the pressure switch of my Mercedes Benz M Class

Finally, if it is your pressure switch that is the cause of your leak on your Mercedes Benz M Class, you can, dependant upon its accessibility, reach it and change it very easily. To get this done, place a drain tray under the part, disconnect the electrical wire, remove the part, quickly reposition the replacement pressure switch, clean the whole thing and do a hot test to ensure that you no longer have any oil leaking from your Mercedes Benz M Class.

For any other type of leak, we recommend you to go to your auto mechanic because the repair necessitates too much expertise and tools to be carried out serenely alone.

In the event that you have any further questions about the Mercedes Benz M Class, do not hesitate to consult our Mercedes Benz M Class category.