2020 Mercedes-Benz AMG GT Is Leaking Oil

Address Oil Leaks in Your 2020 Mercedes-Benz AMG GT 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 2020 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 2020 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 steps to diagnose an oil leak in a 2020 Mercedes-Benz AMG GT?

To effectively diagnose an oil leak in your 2020 Mercedes-Benz AMG GT, begin with a thorough visual inspection of the engine and undercarriage, looking for any obvious signs of oil accumulation or drips. This initial step can often reveal the source of the leak without further intervention. Next, check the oil levels to determine if there has been a significant drop, which may indicate a leak. 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 around the engine, as wear and tear can lead to leaks. 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 you trace the leak under UV light, pinpointing the exact location. If these methods do not yield results, or if the situation appears complex, consulting a qualified mechanic is advisable to ensure proper diagnosis and repair. By following this structured approach, you can efficiently identify and address oil leaks in your vehicle.

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

When diagnosing oil leaks in a 2020 Mercedes-Benz AMG GT, it's crucial to understand the common problems that may arise. One of the primary culprits is a degraded or damaged oil pan gasket, which can wear out over time and lead to leaks. Additionally, faulty valve cover gaskets can also be a significant source of oil leakage, especially if they are old or compromised. Worn-out oil seals within the engine are another frequent issue, as they can deteriorate and fail to contain the oil effectively. It's also important to check the oil filter; if it is loose or damaged, it can easily cause oil to escape from the engine. Lastly, inspect the oil cooler for any cracks or damage, as these can also contribute to oil leaks. By being aware of these potential issues, DIY enthusiasts can take proactive steps to identify and address oil leaks, ensuring the longevity and performance of their vehicle. Regular maintenance and thorough inspections are key to preventing these problems from escalating.

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

Addressing an oil leak in your 2020 Mercedes-Benz AMG GT is an urgent matter that should not be overlooked. Oil leaks can lead to a significant loss of engine oil, which is essential for proper lubrication. Without adequate lubrication, engine components can suffer from increased friction, leading to premature wear and potential failure. Additionally, neglecting an oil leak can result in engine overheating, a serious condition that can cause catastrophic damage and may even necessitate a complete engine replacement. Furthermore, oil leaks create safety hazards; oil dripping onto hot engine parts can ignite, posing a fire risk. Regularly inspecting your vehicle for oil leaks and addressing them promptly is vital for maintaining the performance and longevity of your AMG GT. By taking immediate action, you not only protect your investment but also ensure a safer driving experience.

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