2014 Mercedes-Benz E63 AMG S Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2014 Mercedes-Benz E63 AMG S and How to Address Them

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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 2014 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 2014 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 steps should I take to diagnose the oil leak in my 2014 Mercedes-Benz E63 AMG S?

When diagnosing an oil leak in your 2014 Mercedes-Benz E63 AMG S, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by locating the leak; inspect the area beneath your vehicle for any visible oil spots or puddles, as this can provide immediate clues about the leak's origin. Next, conduct a thorough inspection of the engine components, focusing on the oil pan, valve cover gaskets, and oil filter housing, as these are common areas where leaks occur. Regularly checking your oil level is also crucial; a sudden drop can indicate a leak that needs addressing. Pay special attention to the oil filter and the oil drain plug, ensuring they are secure and free from damage. If these initial checks do not reveal the source of the leak, or if the problem persists, it may be time to consult a qualified mechanic for a professional assessment. By following this structured approach, you can effectively identify and address the oil leak in your vehicle, ensuring its optimal performance.

What are the common causes of oil leaks in a 2014 Mercedes-Benz E63 AMG S?

When addressing oil leaks in a 2014 Mercedes-Benz E63 AMG S, it's important to recognize the common issues that may arise. A frequent source of leaks is the oil pan gasket, which can deteriorate over time, leading to oil escaping from the pan. Additionally, worn valve cover gaskets are often a problem, allowing oil to leak from the engine's upper section. The oil filter housing gasket is another potential failure point, as it can become faulty and cause leaks around the oil filter. Moreover, oil cooler lines may develop leaks due to age and wear, contributing to oil seepage. Lastly, cracked or damaged oil seals, particularly those surrounding the crankshaft or camshaft, can result in significant oil loss. Timely identification and resolution of these issues are essential to prevent engine damage and ensure the vehicle operates efficiently. Regular maintenance and inspections are key to catching these problems early, helping to keep your E63 AMG S in excellent condition.

How urgent is it to address the oil leak in my 2014 Mercedes-Benz E63 AMG S?

Addressing an oil leak in your 2014 Mercedes-Benz E63 AMG S is crucial for maintaining the health of your vehicle. Ignoring this issue can lead to significant engine damage due to inadequate lubrication, as oil is vital for the smooth operation of engine components. Additionally, a persistent leak can escalate into more severe problems, resulting in costly repairs that could have been avoided with timely intervention. Beyond mechanical concerns, an oil leak poses safety risks, particularly if oil drips onto hot engine parts, creating a fire hazard. For DIY enthusiasts, it’s essential to regularly check your oil levels and inspect for leaks, as early detection and prompt repairs can enhance your car's performance and longevity. By addressing an oil leak swiftly, you not only safeguard your vehicle's integrity but also ensure a safer driving experience.

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2014 Mercedes-Benz E63 AMG S Oil Leak Causes & Solutions