2020 Mercedes-Benz AMG GT R Is Leaking Oil

Common Causes of Oil Leaks in Your 2020 Mercedes-Benz AMG GT R and How to Address Them

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Reviewed by
Andrew Hajjar
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 2020 Mercedes-Benz AMG GT R 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 2020 Mercedes-Benz AMG GT R 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 and fix an oil leak in a 2020 Mercedes-Benz AMG GT R?

To effectively diagnose and fix an oil leak in your 2020 Mercedes-Benz AMG GT R, start by identifying the leak's source. Begin by inspecting the area beneath the vehicle for any visible signs of oil, focusing on common leak points such as the oil pan, oil filter, and valve cover gasket. Once you have pinpointed the leak, check the engine's oil levels; low levels can confirm the presence of a leak that requires immediate attention. Next, examine the gaskets and seals for any wear or damage, as these are often culprits in oil leaks. If you find any faulty components, you may need to tighten bolts or replace gaskets and seals to stop the leak. After making repairs, clean the engine and surrounding areas to ensure that any new leaks can be easily detected. Finally, monitor the vehicle over the next few days to confirm that the issue has been resolved. By following this diagnostic approach, you can systematically address the oil leak and maintain the performance of your AMG GT R.

What are the common causes of oil leaks in a 2020 Mercedes-Benz AMG GT R?

When diagnosing oil leaks in a 2020 Mercedes-Benz AMG GT R, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can occur over time due to exposure to heat and engine vibrations, leading to leaks. Similarly, worn valve cover gaskets are another common source of oil leaks, as they can lose their sealing properties with age, allowing oil to escape from the engine. Additionally, a faulty oil filter housing gasket can contribute to leaks, particularly in the engine compartment, where oil can accumulate and create a mess. It's also important to inspect the oil cooler lines, as these can develop leaks from wear or damage, resulting in oil loss. Lastly, cracked or damaged oil seals, such as those found around the crankshaft or camshaft, can lead to significant oil leaks if not addressed promptly. By being aware of these potential issues, DIY enthusiasts can take proactive steps to inspect and repair their vehicle, ensuring optimal performance and preventing further engine damage. Regular maintenance checks are essential for catching these problems early and maintaining the integrity of your AMG GT R.

How urgent is it to address the oil leak in my 2020 Mercedes-Benz AMG GT R?

When it comes to an oil leak in your 2020 Mercedes-Benz AMG GT R, the urgency of addressing the problem cannot be overstated. Ignoring an oil leak can lead to a cascade of issues, starting with the risk of inadequate lubrication for your engine components. This lack of lubrication can increase friction and heat, potentially resulting in severe engine damage that could have been easily avoided with timely intervention. Moreover, maintaining optimal performance is crucial for a high-performance vehicle like the AMG GT R; a persistent oil leak can compromise engine efficiency and longevity. Safety is another critical factor; oil leaking onto hot engine parts poses a fire hazard, making it essential to act quickly. Lastly, the financial implications of neglecting an oil leak can be significant, as minor issues can escalate into costly repairs if left unaddressed. Therefore, it is imperative to have any oil leak inspected and repaired by a qualified mechanic as soon as possible to ensure the safety, performance, and reliability of your vehicle.

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