2013 Mercedes-Benz GL63 AMG Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Mercedes-Benz GL63 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 GL63 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 GL63 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 are the potential causes and solutions for the oil leak in a 2013 Mercedes-Benz GL63 AMG?

When diagnosing an oil leak in a 2013 Mercedes-Benz GL63 AMG, it's crucial to follow a methodical diagnostic approach that prioritizes simpler fixes before delving into more complex issues. Begin by inspecting the gaskets and seals, as these components are often the first to wear out and can lead to leaks. If the gaskets and seals appear to be in good condition, the next step is to check the oil pan for any signs of looseness or damage, as a compromised oil pan can allow oil to escape from the vehicle's underside. Following this, examine the oil filter; a malfunctioning filter can fail to contain oil effectively, resulting in leaks. If all these components are intact, consider the possibility of a cracked engine block, which may necessitate professional evaluation and repair. Finally, inspect the oil cooler lines for any signs of wear or degradation, as these can also be a source of leaks. By systematically addressing these potential causes, you can effectively identify and resolve the oil leak, ensuring your Mercedes-Benz GL63 AMG operates smoothly and efficiently.

What are the common causes of oil leaks in a 2013 Mercedes-Benz GL63 AMG?

When dealing with oil leaks in a 2013 Mercedes-Benz GL63 AMG, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of valve cover gaskets, which can lead to noticeable oil seepage over time. Additionally, the oil pan gasket is another area of concern; wear and tear can cause it to fail, resulting in leaks from the engine's underside. The oil filter housing gasket is also prone to faults, often leading to leaks around the oil filter area. Furthermore, the seals surrounding the oil cooler can deteriorate, contributing to oil loss. Lastly, the rear main seal, located at the back of the engine, is susceptible to leaks as well. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help you catch these problems early, ensuring your GL63 AMG runs smoothly.

How urgent is it to address the oil leak in my 2013 Mercedes-Benz GL63 AMG?

When dealing with an oil leak in your 2013 Mercedes-Benz GL63 AMG, understanding the urgency of the situation is crucial for maintaining your vehicle's performance and safety. A minor leak may seem manageable, but even small issues can escalate quickly, leading to significant oil loss and potential engine damage. The oil in your engine plays a vital role in lubrication, and a leak can compromise this function, resulting in increased friction and wear on engine components. Moreover, oil leaks pose a fire risk, especially if the oil comes into contact with hot surfaces, making immediate attention essential. Beyond safety concerns, neglecting an oil leak can have environmental repercussions, as spilled oil can contaminate soil and water sources. Additionally, the longer you wait to address the leak, the more likely you are to face costly repairs due to extensive damage. Therefore, it is advisable to assess the severity of the leak and take action promptly, ensuring your GL63 AMG remains in optimal condition and reducing the risk of more serious issues down the line.

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