2007 Mercedes-Benz R63 AMG Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2007 Mercedes-Benz R63 AMG and How to Address Them

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Reviewed by
Devin Cabugcal
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 R63 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 R63 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 R63 AMG?

To effectively diagnose an oil leak in your 2007 Mercedes-Benz R63 AMG, begin with a thorough visual inspection of the engine and undercarriage. Look for any signs of oil pooling or dripping, as these can provide immediate clues to the leak's source. Next, check the oil levels in the engine; a significant drop may indicate a leak that needs addressing. Pay close attention to the gaskets and seals, particularly the valve cover gasket, oil pan gasket, and camshaft seals, as these are common culprits for oil leaks. Additionally, inspect the oil filter and drain plug for any signs of damage or leakage. If the source remains elusive, consider performing a pressure test on the oil system, which can help identify leaks that are not visible during a standard inspection. Should you find the process overwhelming or the issue complex, consulting a qualified mechanic with experience in Mercedes-Benz vehicles is advisable, as they can utilize specialized tools for a more accurate diagnosis. By following this structured approach, you can efficiently identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2007 Mercedes-Benz R63 AMG?

When dealing with oil leaks in a 2007 Mercedes-Benz R63 AMG, it's crucial to understand the common culprits that may be at play. One of the primary sources of leaks is the valve cover gaskets, which can deteriorate over time, leading to oil seeping around the valve covers. Another frequent issue is the oil pan gasket, which may become brittle or damaged, resulting in leaks from the oil pan. Additionally, the oil filter housing gasket can fail, causing oil to leak in the vicinity of the oil filter. The oil cooler seals are also prone to wear, potentially leading to leaks from the cooler assembly. Lastly, the rear main seal, located at the back of the engine, can fail as well, resulting in oil leaks near the rear of the engine. Addressing these leaks promptly is essential to maintain the vehicle's performance and prevent further engine damage, making regular inspections and maintenance vital for any DIY enthusiast.

How urgent is it to address the oil leak in my 2007 Mercedes-Benz R63 AMG?

Addressing an oil leak in your 2007 Mercedes-Benz R63 AMG is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Ignoring an oil leak can lead to a significant loss of engine oil, which is vital for lubricating moving parts and maintaining optimal engine performance. Insufficient lubrication can cause increased friction, resulting in severe wear and tear on engine components, ultimately leading to costly repairs or even complete engine failure. Moreover, an oil leak poses serious safety risks, as oil can drip onto hot engine parts, creating a fire hazard that endangers both the vehicle and its occupants. By addressing the leak promptly, you not only safeguard your vehicle's functionality but also protect yourself and others from potential dangers on the road. Therefore, it is crucial to act swiftly and resolve any oil leak issues to prevent further damage and ensure the longevity of your Mercedes-Benz R63 AMG.

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2007 Mercedes-Benz R63 AMG Leaking Oil: Causes & Repairs