2016 Mercedes-Benz S600 Is Leaking Oil

Address Oil Leaks in Your 2016 Mercedes-Benz S600 Effectively

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2016 Mercedes-Benz S600 is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2016 Mercedes-Benz S600 is leaking oil?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What are the initial diagnostic steps to identify the source of an oil leak in a 2016 Mercedes-Benz S600?

To effectively identify the source of an oil leak in your 2016 Mercedes-Benz S600, start with a thorough visual inspection of both the engine and the area beneath the vehicle. Look for any visible signs of oil accumulation or dripping, as these can provide immediate clues. Next, check the oil levels in the engine; a significant drop may indicate a leak that needs addressing. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks—ensure they are secure and free from oil residue. Additionally, inspect the gaskets and seals, particularly around the valve cover, oil pan, and camshaft, for any signs of wear or damage. If the leak remains elusive, consider performing a pressure test on the oil system, which can help reveal hidden leaks. For a more advanced approach, adding UV dye to the engine oil can assist in pinpointing the leak's location when combined with a UV light. By following these diagnostic steps, you can systematically uncover the source of the oil leak and take the necessary actions to resolve it.

What are the common causes of oil leaks in a 2016 Mercedes-Benz S600?

When dealing with oil leaks in a 2016 Mercedes-Benz S600, it's essential to recognize the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear down over time, leading to leaks. Similarly, worn valve cover gaskets are another common source of oil seepage, as they can lose their integrity with age. Additionally, a faulty oil filter housing gasket can create leaks within the engine compartment, while oil cooler lines may develop leaks due to general wear and tear. Lastly, damaged oil seals, including crankshaft and camshaft seals, can also contribute to oil leaks. By understanding these potential issues, DIYers can conduct thorough inspections and perform necessary repairs, ensuring their vehicle remains in optimal condition. Regular maintenance and timely inspections are key to preventing these leaks from becoming more significant problems.

How urgent is it to address the oil leak in my 2016 Mercedes-Benz S600?

Addressing an oil leak in your 2016 Mercedes-Benz S600 is an urgent matter that should not be overlooked. The presence of an oil leak can lead to a series of detrimental effects, starting with the risk of engine damage due to inadequate lubrication. As oil levels drop, engine components may experience increased friction and heat, which can ultimately compromise the engine's integrity. Furthermore, maintaining optimal performance is crucial for the longevity of your vehicle; a timely repair ensures that your engine operates smoothly and efficiently. Safety is another critical concern, as oil leaks can create hazardous conditions, such as the risk of fire from oil dripping onto hot engine parts. Ignoring these symptoms can lead to more severe issues down the line, resulting in costly repairs that could have been easily avoided. Therefore, it is essential to act quickly and have the leak inspected and repaired by a qualified mechanic to safeguard your vehicle's performance and your safety on the road.

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