2016 Mercedes-Benz AMG GT S Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2016 Mercedes-Benz AMG GT S and Recommended Repair Solutions

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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 2016 Mercedes-Benz AMG GT 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 2016 Mercedes-Benz AMG GT 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.

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 are the first steps to diagnose an oil leak in a 2016 Mercedes-Benz AMG GT S?

When diagnosing an oil leak in a 2016 Mercedes-Benz AMG GT S, it's crucial to follow a methodical approach that begins with simple visual checks and advances to more detailed diagnostics. Start by thoroughly inspecting the engine and the ground beneath the vehicle for any visible signs of oil pooling or dripping, as this can often point directly to the leak's source. Next, assess the oil levels in the engine; a significant decrease may indicate a leak that requires immediate attention. Focus on the oil filter and drain plug, as these components are common culprits for leaks; if you find any looseness or signs of oil escaping, tightening or replacing them could resolve the issue. Additionally, examine the gaskets and seals, particularly the valve cover and oil pan gaskets, for any signs of wear or damage that might be contributing to the leak. If the source of the leak remains unclear, consider conducting a pressure test on the oil system, which can help detect leaks that are not visible during a standard inspection. If these steps do not lead to a resolution, it may be wise to consult a qualified mechanic for a professional diagnosis and repair. By systematically following these steps, you can effectively identify and address oil leaks in your AMG GT S.

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

When dealing with oil leaks in a 2016 Mercedes-Benz AMG GT S, it's essential to understand the common culprits that may be at play. One of the primary causes is the degradation of gaskets and seals, which can occur over time due to normal wear and exposure to high temperatures. This deterioration can lead to oil seepage, making it crucial for owners to regularly inspect these components. Additionally, damage to the oil pan, often resulting from road debris or improper installation, can create significant leaks that require immediate attention. Another frequent issue arises from valve cover gasket leaks, which can develop as the gaskets become brittle or worn, leading to oil escaping into the engine compartment. Furthermore, the oil filter housing can also be a source of leaks, particularly if there are cracks or faulty seals present. Lastly, don’t overlook the drain plug seal; a damaged or improperly installed seal can contribute to oil leaks as well. By being proactive and conducting regular inspections, owners can identify these common issues early on, ensuring the longevity and performance of their vehicle.

How urgent is it to address the oil leak in my 2016 Mercedes-Benz AMG GT S?

Addressing an oil leak in your 2016 Mercedes-Benz AMG GT S is not just a matter of routine maintenance; it is an urgent issue that requires immediate attention. Ignoring an oil leak can lead to severe engine damage, as the oil is essential for lubricating moving parts and preventing overheating. Additionally, oil leaks can create hazardous driving conditions, as spilled oil on the road can lead to slippery surfaces, increasing the risk of accidents. The performance of your vehicle can also suffer, as low oil levels can result in decreased efficiency and power. Furthermore, delaying repairs can escalate the problem, leading to more extensive and costly repairs down the line. Therefore, it is crucial to inspect and address any signs of an oil leak as soon as possible to ensure the safety, performance, and longevity of your Mercedes-Benz AMG GT S.

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