2019 Mercedes-Benz AMG GT Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2019 Mercedes-Benz AMG GT and Recommended Repair Solutions

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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 2019 Mercedes-Benz AMG GT 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 AMG GT 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 take for an oil leak in a 2019 Mercedes-Benz AMG GT?

When faced with an oil leak in your 2019 Mercedes-Benz AMG GT, the first step is to conduct a thorough visual inspection of both the engine bay and the area beneath the vehicle. Look for any signs of oil pooling or dripping, as this can help you pinpoint the leak's origin. Next, check the oil levels to ensure they are adequate; a significant drop may indicate a leak that requires immediate attention. Pay special attention to the oil filter and drain plug, as these components can often be the culprits behind leaks if they are damaged or improperly secured. Additionally, inspect the gaskets and seals within the engine, as wear and tear in these areas are common sources of oil leaks. If the leak remains elusive, consider performing a pressure test to accurately locate the issue. Should you find the diagnosis challenging or the source unclear, consulting a qualified mechanic is advisable to ensure the problem is addressed effectively. By following these steps, you can systematically identify and tackle the oil leak, ensuring your vehicle remains in optimal condition.

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

When dealing with oil leaks in a 2019 Mercedes-Benz AMG GT, it's essential to understand 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. Additionally, worn valve cover gaskets are another common source of oil leaks, often resulting in oil seeping from the top of the engine. It's also important to check the oil filter housing gasket, as a faulty seal here can cause oil to leak around the oil filter area. Furthermore, leaking oil cooler lines can contribute to oil loss, creating a mess beneath the vehicle. Lastly, damaged oil seals, including crankshaft and camshaft seals, can also lead to significant oil leaks. Regular inspections and maintenance are crucial for identifying these issues early, allowing DIY enthusiasts to address them before they escalate into more serious problems.

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

Addressing an oil leak in your 2019 Mercedes-Benz AMG GT is not just a matter of routine maintenance; it is a critical safety concern that demands immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, resulting in inadequate lubrication and potential engine damage. Moreover, the presence of leaking oil creates a fire hazard, especially if it comes into contact with hot engine parts. Ignoring this issue can exacerbate the problem, leading to more extensive and costly repairs down the line. By taking prompt action to fix the oil leak, you not only safeguard the performance and reliability of your vehicle but also protect yourself and others from potential safety risks. Therefore, it is essential to prioritize this repair to maintain the health of your AMG GT and ensure a safe driving experience.

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