2006 Mercedes-Benz S65 AMG Is Leaking Oil

Address Oil Leaks in Your 2006 Mercedes-Benz S65 AMG Effectively

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Reviewed by
Bo Fader
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 2006 Mercedes-Benz S65 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 2006 Mercedes-Benz S65 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.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

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 2006 Mercedes-Benz S65 AMG?

To effectively diagnose an oil leak in a 2006 Mercedes-Benz S65 AMG, start with a thorough visual inspection of both the engine and the area beneath the vehicle. This initial step helps you identify any obvious signs of oil leakage. Next, check the oil levels to assess if there has been a significant loss, which can indicate the severity of the leak. Focus your attention on common leak locations specific to Mercedes-Benz models, such as the oil separator, rear main seal, and oil cooler, as these areas are often prone to issues. Look for fresh oil around joints or surfaces where components meet, as this can help you pinpoint the exact source of the leak. By taking a methodical approach, you can systematically address the problem, starting with the most accessible areas before moving on to more complex diagnostics, ensuring a thorough and effective resolution to the oil leak issue.

What are the common causes of oil leaks in a 2006 Mercedes-Benz S65 AMG?

When tackling oil leaks in a 2006 Mercedes-Benz S65 AMG, it's crucial to understand the common culprits that may be at play. One frequent source of leaks is the rocker cover gaskets, which can deteriorate over time and allow oil to escape. Additionally, sump issues can arise, necessitating a thorough inspection to prevent further leakage. The crank seal is another critical area to check; a faulty seal may require the removal of the gearbox for replacement, making it a more complex DIY task. Transmission bell housing leaks can also occur, where oil seeps down and saturates the housing, indicating a need for immediate attention. Lastly, the oil switchover valve can be a less obvious source of leaks, particularly in specific engine types like the OM651. Addressing these issues promptly is essential not only for maintaining the vehicle's performance but also for preventing potential damage. If you notice any signs of oil leakage, consider investigating these areas before deciding whether to seek professional assistance.

How urgent is it to address the oil leak in my 2006 Mercedes-Benz S65 AMG?

Addressing an oil leak in your 2006 Mercedes-Benz S65 AMG is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring even a minor oil leak can lead to severe engine damage, as the oil is essential for lubricating and cooling engine components. Over time, a small leak can escalate into a significant problem, resulting in costly repairs and potential engine failure. Moreover, oil leaks pose environmental hazards, contributing to pollution and creating slippery road conditions that can compromise safety for you and other drivers. The urgency of resolving an oil leak cannot be overstated, as it not only protects your vehicle's performance but also ensures your safety on the road. If you notice any signs of an oil leak, such as oil spots under your car or a drop in oil levels, it is crucial to act swiftly and consult a qualified mechanic to diagnose and repair the issue before it leads to more serious complications.

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