2018 Mercedes-Benz AMG GT C Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2018 Mercedes-Benz AMG GT C 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 2018 Mercedes-Benz AMG GT C 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.

What are the initial diagnostic steps to take for an oil leak in a 2018 Mercedes-Benz AMG GT C?

When faced with an oil leak in your 2018 Mercedes-Benz AMG GT C, it's essential to adopt a systematic diagnostic approach to effectively identify and resolve the issue. Begin with a thorough visual inspection of the engine bay and the area beneath the vehicle, looking for any signs of oil accumulation or dripping, which can help pinpoint the leak's origin. Next, check the oil levels to ensure they are adequate; low oil levels may indicate a significant leak that requires immediate attention. Pay close attention to the oil filter and drain plug, as these components are often susceptible to damage or loosening, leading to leaks. Additionally, inspect the gaskets and seals, particularly the valve cover gasket and oil pan gasket, as these are common culprits for oil leaks. If the source remains elusive, consider performing a pressure test on the oil system to accurately locate the leak. Utilizing a diagnostic scanner to check for any error codes related to the oil system can also provide valuable insights. If these steps do not yield clear results or if you feel uncertain about the next steps, consulting a professional mechanic is advisable to ensure proper diagnosis and repair. By following this structured approach, you can effectively tackle the oil leak issue in your AMG GT C and maintain the vehicle's performance.

What are the common causes of oil leaks in a 2018 Mercedes-Benz AMG GT C?

When dealing with oil leaks in a 2018 Mercedes-Benz AMG GT C, it's essential to understand the common problems that can arise. One of the primary culprits is the degradation of gaskets and seals, which can occur over time due to heat and wear, leading to leaks. Additionally, a loose or improperly installed oil filter can create a significant issue, as it may not form a proper seal, allowing oil to escape. The oil pan is another area of concern; it can suffer from corrosion or physical damage, resulting in cracks or holes that permit oil to leak. Furthermore, the oil drain plug should be inspected, as a loose or damaged plug can also be a source of leaks. Lastly, cracks in engine components, such as the engine block, can lead to more severe oil leaks. Addressing these issues promptly is crucial to maintaining the performance and longevity of your vehicle, and regular inspections can help catch these problems early.

How urgent is it to address the oil leak in my 2018 Mercedes-Benz AMG GT C?

Addressing an oil leak in your 2018 Mercedes-Benz AMG GT C is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Oil leaks can lead to a significant loss of engine lubrication, which is essential for preventing overheating and protecting vital engine components. If left unchecked, this can escalate into severe engine damage, resulting in costly repairs or even complete engine failure. Moreover, the safety implications of an oil leak cannot be overlooked. Leaking oil can create fire hazards, especially if it comes into contact with hot engine parts, posing a serious risk to both the vehicle and its occupants. Additionally, neglecting such maintenance issues can adversely affect the resale value of your car, as potential buyers are likely to be wary of unresolved mechanical problems. Therefore, it is crucial to inspect and repair any oil leaks as soon as they are detected, ensuring the longevity and safety of your vehicle while preserving its value.

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