2015 Mercedes-Benz SLS AMG Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2015 Mercedes-Benz SLS AMG and How to Address Them

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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 2015 Mercedes-Benz SLS 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 2015 Mercedes-Benz SLS 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 steps to diagnose the oil leak in a 2015 Mercedes-Benz SLS AMG?

To effectively diagnose an oil leak in a 2015 Mercedes-Benz SLS AMG, start with a thorough visual inspection of the engine and undercarriage, looking for any signs of oil pooling or dripping. This initial step can often reveal the leak's source without further intervention. Next, check the oil levels to assess if there has been a significant loss, which may indicate a leak. Pay close attention to the gaskets and seals around critical components like the oil pan and valve cover, as wear or damage here is a common culprit. If the leak remains elusive, consider performing a pressure test on the oil system, which can help pinpoint the exact location of the leak. For a more advanced approach, adding UV dye to the engine oil can be beneficial; running the engine and using a UV light will illuminate the leak's source. If these methods do not yield results, or if the problem seems complex, consulting a qualified mechanic is advisable to ensure proper diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2015 Mercedes-Benz SLS AMG?

When dealing with oil leaks in a 2015 Mercedes-Benz SLS AMG, it's crucial to understand the common problems that can arise. One of the primary culprits is the oil pan gasket, which can degrade over time, leading to leaks that may go unnoticed until they cause significant issues. Similarly, valve cover gaskets are prone to wear and can develop leaks, allowing oil to escape and potentially create a mess under the hood. Another frequent source of leaks is the oil filter housing gasket; if this component fails, oil can leak around the oil filter area, making it essential to check during routine maintenance. Additionally, the seals around the oil cooler can deteriorate, resulting in leaks that may not be immediately visible. Lastly, the rear main seal is another critical area to inspect, as wear and tear can lead to oil leaking from the back of the engine. By being aware of these common causes, DIYers can take proactive steps to identify and fix oil leaks, ensuring the longevity and performance of their SLS AMG. Regular inspections and timely repairs are key to maintaining the vehicle's health and preventing more severe engine damage.

How urgent is it to address the oil leak in my 2015 Mercedes-Benz SLS AMG?

Addressing an oil leak in your 2015 Mercedes-Benz SLS AMG is not just a matter of convenience; it is a critical issue that requires immediate attention, especially if the leak is significant. Ignoring even a minor leak can escalate into severe engine damage, as oil plays a vital role in lubricating engine components. Insufficient lubrication can lead to overheating and ultimately result in catastrophic engine failure, which can be both dangerous and costly. Moreover, oil leaks pose environmental risks, as spilled oil can contaminate soil and water sources, making prompt repairs essential for ecological preservation. Financially, delaying repairs can lead to more extensive damage, resulting in higher repair costs down the line. Therefore, it is crucial to assess the severity of the leak and take action swiftly to safeguard your vehicle's performance, protect the environment, and avoid unnecessary expenses.

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2015 Mercedes-Benz SLS AMG Oil Leak Causes & Repairs