2016 Mercedes-Benz G63 AMG Is Leaking Oil

Address Oil Leaks in Your 2016 Mercedes-Benz G63 AMG Effectively

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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 2016 Mercedes-Benz G63 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 G63 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.

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 steps to diagnose the oil leak in a 2016 Mercedes-Benz G63 AMG?

To effectively diagnose an oil leak in a 2016 Mercedes-Benz G63 AMG, start with a thorough visual inspection of the vehicle's undercarriage and engine components. Look for any signs of oil residue or drips, particularly around the oil pan and engine. Next, monitor the oil levels closely; a significant drop can indicate a leak that needs addressing. Ensure that the oil filter and drain plug are securely tightened, as loose fittings can often be the source of leaks. For more elusive leaks, consider adding UV dye to the engine oil and using a UV light to spot any hidden leaks. If the problem persists, performing a pressure test on the oil system can help identify leaks under pressure. Additionally, inspect the gaskets and seals, such as the valve cover and oil pan gaskets, as these are common culprits for oil leaks. If you still cannot locate the source of the leak, it may be time to consult a qualified mechanic for a professional diagnosis and repair. This systematic approach not only helps in identifying the issue but also ensures that simpler fixes are addressed before moving on to more complex diagnostics.

What are the common causes of oil leaks in a 2016 Mercedes-Benz G63 AMG?

When dealing with oil leaks in a 2016 Mercedes-Benz G63 AMG, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can lead to significant oil loss over time. Additionally, worn valve cover gaskets are another common source of leaks, often resulting in oil seeping from the top of the engine. It's also important to check the oil filter housing gasket, as a fault here can cause oil to leak around the oil filter area. Furthermore, leaking oil cooler lines can contribute to oil seepage within the engine bay, while cracked or damaged oil seals, particularly around the crankshaft or camshaft, can exacerbate the problem. Addressing these issues promptly is essential not only for maintaining optimal vehicle performance but also for preventing potential engine damage. Regular inspections and maintenance can help DIY enthusiasts stay ahead of these common oil leak problems, ensuring their G63 AMG remains in top condition.

How urgent is it to address the oil leak in my 2016 Mercedes-Benz G63 AMG?

Addressing an oil leak in your 2016 Mercedes-Benz G63 AMG is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of vital engine components, which may result in severe engine damage over time. Furthermore, neglecting this issue can cause the engine to overheat, increasing the risk of a breakdown and potentially leaving you stranded. The safety implications are equally concerning, as leaking oil can drip onto hot engine parts, creating a fire hazard. Therefore, it is crucial to act swiftly and resolve any oil leak to safeguard your vehicle's performance and your safety on the road.

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