2019 Mercedes-Benz S560 Is Leaking Oil

Address Oil Leaks in Your 2019 Mercedes-Benz S560 Effectively

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Reviewed by
Aisha
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 2019 Mercedes-Benz S560 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 2019 Mercedes-Benz S560 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 steps to diagnose the oil leak in a 2019 Mercedes-Benz S560?

To effectively diagnose an oil leak in your 2019 Mercedes-Benz S560, begin with a thorough visual inspection of the engine and undercarriage, as this can often reveal the source of the leak through visible oil spots or drips. Next, check the oil levels to determine if there has been a significant loss, which may indicate a leak. Pay special attention to the oil filter and drain plug, as these components can sometimes be the culprits; ensure they are secure and free from oil residue. Additionally, inspect the gaskets and seals, particularly the valve cover gasket and oil pan gasket, since these are common areas where leaks occur. If the source remains elusive, consider performing a pressure test on the oil system to uncover hidden leaks. For a more advanced approach, adding UV dye to the oil can help pinpoint leaks when illuminated with a UV light. If these steps do not yield results, consulting a qualified mechanic is advisable for a professional assessment. By following this structured diagnostic approach, you can efficiently identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2019 Mercedes-Benz S560?

When dealing with oil leaks in a 2019 Mercedes-Benz S560, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can deteriorate over time and lead to significant leaks. Additionally, worn-out valve cover gaskets can fail to create a proper seal, allowing oil to escape. Another potential source of leaks is a faulty oil filter housing gasket, which can compromise the integrity of the oil system. It's also important to check the oil cooler lines, as these can develop leaks due to wear and tear. Lastly, damaged oil seals, including crankshaft and camshaft seals, can contribute to oil leakage. Addressing these issues promptly is vital to maintaining engine health and performance, and regular inspections can help catch these problems early, making DIY repairs more manageable.

How urgent is it to address the oil leak in my 2019 Mercedes-Benz S560?

Addressing an oil leak in your 2019 Mercedes-Benz S560 is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, jeopardizing the engine's performance and longevity. Ignoring this issue can result in severe engine damage, costly repairs, and even unexpected breakdowns. Moreover, the safety implications cannot be overlooked; leaking oil can drip onto hot engine parts, creating a fire hazard that endangers both the vehicle and its occupants. By tackling the oil leak promptly, you not only safeguard your engine from further damage but also protect yourself and others on the road. Therefore, if you notice any signs of an oil leak, it is crucial to act swiftly to maintain the performance and safety of your Mercedes-Benz S560.

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2019 Mercedes-Benz S560 Leaking Oil: Causes & Repairs