2007 Mercedes-Benz E63 AMG Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2007 Mercedes-Benz E63 AMG and Recommended Repair Solutions

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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 2007 Mercedes-Benz E63 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 2007 Mercedes-Benz E63 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.

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 2007 Mercedes-Benz E63 AMG?

When diagnosing an oil leak in a 2007 Mercedes-Benz E63 AMG, it's essential to adopt a systematic diagnostic approach that begins with simple visual inspections and progresses to more complex methods. Start by conducting a thorough visual inspection of the engine and undercarriage to identify any obvious signs of oil pooling or dripping. This initial step can often reveal the source of the leak without further intervention. Next, check the oil levels to determine if there has been a significant loss, which may indicate a leak. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks; ensure they are secure and free from oil residue. Additionally, inspect the gaskets and seals, particularly around the valve cover and oil pan, for any signs of wear or damage. If the leak remains elusive, consider performing a pressure test on the oil system to help pinpoint the issue. For a more precise diagnosis, adding UV dye to the oil can illuminate the leak's source when viewed under a UV light. If these steps do not yield results, consulting a qualified mechanic or a Mercedes-Benz dealership is advisable for further assistance. By following this structured approach, you can effectively diagnose and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2007 Mercedes-Benz E63 AMG?

When dealing with oil leaks in a 2007 Mercedes-Benz E63 AMG, it's crucial to understand the common culprits that may be contributing to the problem. One of the primary sources of leaks is the valve cover gaskets, which can wear out over time, leading to noticeable oil seepage. Additionally, the oil filter housing gasket is another frequent offender; as it ages, it may fail to create a proper seal, resulting in oil escaping from this area. The oil pan gasket is also susceptible to deterioration, especially in older vehicles, and can lead to leaks from the bottom of the engine. Furthermore, the seals around the oil cooler can degrade, causing oil to leak from this component as well. Lastly, a faulty rear main seal can be a significant source of oil leaks, often manifesting as oil pooling at the back of the engine. Regular inspections and timely maintenance of these components are essential for E63 AMG owners to prevent further damage and ensure the longevity of their vehicle.

How urgent is it to address an oil leak in a 2007 Mercedes-Benz E63 AMG?

Addressing an oil leak in your 2007 Mercedes-Benz E63 AMG is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to severe engine damage due to the loss of lubrication, which increases friction and heat within the engine components. This can result in costly repairs that could have been easily avoided with prompt action. Additionally, a drop in oil pressure can compromise engine performance, leading to further complications down the line. The risk of oil contamination affecting other vital components, such as spark plugs and oxygen sensors, can also escalate if the leak is not addressed swiftly. Moreover, the safety implications cannot be overlooked; leaking oil can drip onto hot engine parts, creating a fire hazard that endangers both the vehicle and its occupants. Therefore, it is imperative to act quickly when you notice an oil leak to safeguard your vehicle's health and ensure your safety on the road.

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2007 Mercedes-Benz E63 AMG Oil Leak Causes & Diagnosis