2025 Mercedes-Benz G63 AMG Is Leaking Oil

Troubleshooting Oil Leaks in Your 2025 Mercedes-Benz G63 AMG: Causes and Solutions for a Smooth Ride

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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 2025 Mercedes-Benz G63 AMG 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 2025 Mercedes-Benz G63 AMG 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.

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 identify the source of an oil leak in a 2025 Mercedes-Benz G63 AMG?

When tackling an oil leak in your 2025 Mercedes-Benz G63 AMG, start with a thorough visual inspection of the engine bay and undercarriage. Look for any obvious signs of oil, such as puddles or drips, which can help pinpoint the leak's location. Next, check the oil levels to assess if there has been a significant loss, indicating a potential leak. Pay close attention to the oil filter and drain plug, as these components can often be the culprits behind leaks if they are loose or damaged. Additionally, inspect the gaskets and seals, particularly the valve cover gasket and oil pan gasket, since these areas are common sources of oil leaks. If the leak 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 engine oil can be beneficial; when illuminated with a UV light, the dye will reveal the exact source of the leak. By following these diagnostic steps, you can effectively identify and address the oil leak, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2025 Mercedes-Benz G63 AMG?

Understanding the common causes of oil leaks in your 2025 Mercedes-Benz G63 AMG is essential for effective DIY maintenance. One prevalent issue is the degradation of gaskets and seals, which can occur over time due to wear and exposure to high temperatures, leading to leaks. Additionally, a loose or damaged oil pan can result from road debris impacts or improper installation, necessitating a thorough inspection. Another critical area to check is the oil filter; if it is faulty or not sealing correctly, it can also contribute to oil leaks. Furthermore, worn piston rings may allow oil to seep into the combustion chamber, causing both leaks and increased oil consumption. Lastly, a cracked engine block, often a result of overheating or physical damage, can be a significant source of oil leaks. Regularly inspecting these components can help you catch potential issues early, ensuring your G63 AMG remains in optimal condition.

How urgent is it to address the oil leak in my 2025 Mercedes-Benz G63 AMG?

Addressing an oil leak in your 2025 Mercedes-Benz G63 AMG is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Ignoring an oil leak can lead to severe engine damage due to inadequate lubrication, which increases friction and heat among engine components. This can ultimately compromise the performance and longevity of your vehicle. Moreover, oil leaks pose significant safety risks, as oil can drip onto hot engine parts, creating a fire hazard. Additionally, the environmental impact of leaking oil cannot be overlooked, as it can contaminate soil and water sources. Therefore, it is crucial to act swiftly to repair the leak, ensuring your vehicle operates safely and efficiently while also protecting the environment. Taking prompt action not only safeguards your investment but also enhances your driving experience by maintaining the high performance that the Mercedes-Benz G63 AMG is known for.

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