2016 Mercedes-Benz S65 AMG Is Leaking Oil

Address Oil Leaks in Your 2016 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 2016 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 2016 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.

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.

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

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 2016 Mercedes-Benz S65 AMG?

To effectively diagnose an oil leak in your 2016 Mercedes-Benz S65 AMG, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil spots or puddles, which can provide initial clues. Next, turn your attention to the engine compartment, examining key components such as the valve cover gasket, oil pan, and oil filter for any signs of oil seepage. It's also crucial to check the oil level in your engine, as a significant drop may indicate a leak. Pay special attention to the oil filter, as a damaged or improperly installed filter can be a common source of leaks. Additionally, ensure that the oil drain plug is securely tightened, as a loose plug can lead to oil loss. If these steps do not reveal the source of the leak, or if you suspect a more serious issue, consulting a qualified mechanic is advisable for a comprehensive diagnosis. By following this methodical approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2016 Mercedes-Benz S65 AMG?

When dealing with oil leaks in a 2016 Mercedes-Benz S65 AMG, it's essential to understand the common problems that can arise. One frequent culprit is the oil pan gasket, which can degrade over time, leading to leaks that may go unnoticed until they cause significant issues. Additionally, worn valve cover gaskets are another common source of oil seepage, as they can fail due to age and exposure to heat. The oil filter housing gasket is also prone to faults, which can result in oil leaking within the engine compartment. Furthermore, oil cooler lines can develop leaks from wear and tear, contributing to the overall problem. Lastly, cracked or damaged oil seals around critical components like the crankshaft or camshaft can lead to substantial oil loss. Regular inspections and maintenance are crucial for identifying these issues early, allowing DIY enthusiasts to take proactive measures to maintain their vehicle's performance and prevent further damage.

How urgent is it to address an oil leak in a 2016 Mercedes-Benz S65 AMG?

Addressing an oil leak in a 2016 Mercedes-Benz S65 AMG is of utmost urgency due to the serious implications it can have on both the vehicle's performance and safety. An oil leak can significantly reduce the lubrication within the engine, leading to increased friction and heat that may ultimately cause severe engine damage. Furthermore, neglecting this issue can result in a dangerous drop in oil levels, which accelerates wear on engine components and can lead to costly repairs. The safety risks are also considerable; leaking oil can drip onto hot engine parts, creating a fire hazard that endangers both the vehicle and its occupants. Therefore, it is essential to act swiftly upon noticing any signs of an oil leak to ensure the vehicle operates smoothly and to avoid more extensive damage and repair costs in the future.

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