2013 Mercedes-Benz G63 AMG Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Mercedes-Benz G63 AMG and How to Address Them

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Reviewed by
Bo Fader
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 2013 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 2013 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.

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.

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 steps should I take to diagnose the oil leak in my 2013 Mercedes-Benz G63 AMG?

To diagnose an oil leak in your 2013 Mercedes-Benz G63 AMG, begin by locating the leak, which is crucial for understanding the extent of the issue. Start by checking under the vehicle for any visible oil spots or puddles, as this can provide immediate clues about the leak's origin. Next, inspect the engine compartment thoroughly, focusing on areas around the oil filter, oil pan, valve cover gasket, and oil cooler, as these are common culprits for leaks. It's also important to check the oil level in the engine; a significant drop may indicate a serious leak that requires prompt attention. Pay special attention to the oil filter for any signs of damage or leakage, as a faulty filter can often be the source of the problem. Additionally, examine the oil pan for cracks or damage, which can lead to leaks, and inspect the valve cover gasket for wear. Lastly, don't overlook the oil cooler; ensure that all connections and seals are intact. By following this systematic approach, you can effectively diagnose the oil leak and determine the necessary steps for repair, empowering you to tackle the issue with confidence.

What are the common causes of oil leaks in a 2013 Mercedes-Benz G63 AMG?

When dealing with oil leaks in a 2013 Mercedes-Benz G63 AMG, 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 wear out over time, leading to leaks. Similarly, valve cover gaskets are prone to deterioration, and their failure can result in oil escaping from the engine. Another area to inspect is the oil filter housing gasket; if this component fails, it can create leaks around the oil filter. Additionally, the seals surrounding the oil cooler can degrade, causing oil to leak in that area. Lastly, a worn rear main seal can lead to significant oil loss from the back of the engine. Addressing these leaks promptly is essential to prevent further engine damage, and regular maintenance checks can help catch these issues early, ensuring your G63 AMG remains in optimal condition.

How urgent is it to address the oil leak in my 2013 Mercedes-Benz G63 AMG?

Addressing an oil leak in your 2013 Mercedes-Benz G63 AMG is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Oil leaks can significantly reduce oil levels, leading to inadequate lubrication of engine components, which can ultimately result in severe engine damage. Moreover, neglecting this issue can escalate into more serious problems, such as engine overheating or even catastrophic engine failure, which can be both costly and inconvenient. Additionally, the safety risks associated with oil leaks cannot be overlooked; oil dripping onto hot engine parts poses a fire hazard that could endanger both you and your vehicle. By taking prompt action to fix the oil leak, you not only safeguard your engine's health but also enhance the overall performance and longevity of your G63 AMG. Therefore, it is crucial to prioritize this repair to avoid further complications and ensure your vehicle remains in optimal condition.

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Common Causes of Oil Leaks in 2013 Mercedes-Benz G63 AMG