2015 Mercedes-Benz E63 AMG S Is Leaking Oil

Address Oil Leaks in Your 2015 Mercedes-Benz E63 AMG S Effectively

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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 2015 Mercedes-Benz E63 AMG S 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 E63 AMG S 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 of an oil leak in a 2015 Mercedes-Benz E63 AMG S, and how should I diagnose them?

When diagnosing an oil leak in your 2015 Mercedes-Benz E63 AMG S, it's essential to adopt a systematic approach that prioritizes simpler solutions first. Begin with a thorough visual inspection of the engine and the area beneath the vehicle, looking for any visible signs of oil accumulation or drips. This initial step can often reveal the source of the leak, such as worn gaskets or a loose oil drain plug. Next, monitor your oil levels regularly; a significant drop can indicate a leak that needs immediate attention. If the source remains elusive, consider using UV dye, which can be added to the oil and traced under UV light, making it easier to pinpoint the leak's origin. Additionally, performing a pressure test can help identify leaks in more complex areas, such as the oil cooler lines or valve cover gaskets. Always inspect gaskets and seals for wear, and ensure that the oil filter is correctly installed and the drain plug is secure. By following this structured diagnostic approach, 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 2015 Mercedes-Benz E63 AMG S?

When dealing with oil leaks in a 2015 Mercedes-Benz E63 AMG S, it's crucial to understand the common culprits that may be at play. One of the primary issues is the degradation of the oil pan gasket, which can occur over time due to exposure to heat and oil, leading to leaks at the bottom of the engine. Additionally, worn-out valve cover gaskets are another frequent source of leaks, as they can allow oil to escape from the top of the engine, often noticeable by oil pooling around the valve covers. Another area to inspect is the oil filter housing gasket; if this component fails, it can result in oil leaking around the oil filter, creating a mess and potential performance issues. Furthermore, oil cooler lines are susceptible to wear and tear, which can lead to seepage, especially in older vehicles. Lastly, various oil seals, such as those around the crankshaft and camshaft, can deteriorate over time, contributing to leaks. By regularly inspecting these components and addressing any signs of wear, DIY enthusiasts can maintain their vehicle's performance and prevent more significant engine damage.

How urgent is it to address the oil leak in my 2015 Mercedes-Benz E63 AMG S?

Addressing an oil leak in your 2015 Mercedes-Benz E63 AMG S is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to a significant loss of lubrication within the engine, which increases friction and heat, potentially resulting in severe engine damage. Furthermore, allowing the leak to persist can lower your oil levels, heightening the risk of engine overheating and eventual failure. Beyond mechanical concerns, oil leaks create hazardous driving conditions, as spilled oil can make roads slippery, increasing the likelihood of accidents. Therefore, it is essential to act swiftly to repair any oil leaks, ensuring the longevity and safety of your vehicle while maintaining its optimal performance. Ignoring this issue could lead to costly repairs and safety risks, making prompt action imperative for any DIY enthusiast.

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