2016 Mercedes-Benz G65 AMG Is Leaking Oil

Address Oil Leaks in Your 2016 Mercedes-Benz G65 AMG Effectively

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Reviewed by
Andrew Hajjar
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 G65 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 G65 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 G65 AMG?

To effectively diagnose an oil leak in your 2016 Mercedes-Benz G65 AMG, start by visually inspecting the engine bay and the area beneath your vehicle for any signs of oil accumulation, such as spots or puddles. This initial step can help you pinpoint the general location of the leak. Next, check the oil level using the dipstick; a significant drop may indicate a leak that needs immediate attention. Focus on the gaskets and seals around critical components like the oil filter and oil pan, as these are common culprits for leaks. Don’t forget to examine the oil filter itself for any signs of damage or looseness, and ensure the oil drain plug is secure, replacing the washer if necessary. Additionally, inspect the oil pan and valve cover gasket for cracks or wear that could be contributing to the leak. If the source remains elusive, consider adding UV dye to the oil, which can help you identify the leak more easily with a UV light. If these steps do not resolve the issue, consulting a professional mechanic is advisable for a thorough diagnosis and repair.

What are the common causes of oil leaks in a 2016 Mercedes-Benz G65 AMG?

When dealing with oil leaks in a 2016 Mercedes-Benz G65 AMG, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, valve cover gaskets are prone to deterioration, and their failure can result in oil escaping from the engine. Another potential source of leaks is the oil filter housing gasket; if this component fails, it can create leaks within the engine compartment. Additionally, the seals around the oil cooler can degrade, causing oil to leak in that area. Lastly, a worn rear main seal can lead to significant oil leakage from the back of the engine. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help catch these problems early, ensuring your G65 AMG remains in top condition.

How urgent is it to address the oil leak in my 2016 Mercedes-Benz G65 AMG?

Addressing an oil leak in your 2016 Mercedes-Benz G65 AMG is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. The urgency stems from the fact that oil leaks can significantly reduce oil levels, leading to inadequate lubrication of engine components. This lack of lubrication can cause severe wear and tear, ultimately resulting in costly engine damage. Furthermore, neglecting an oil leak can lead to overheating, which poses a serious risk of engine failure and expensive repairs. Additionally, the safety implications cannot be overlooked; leaking oil can drip onto hot engine parts, creating a fire hazard that endangers both the vehicle and its occupants. Therefore, it is crucial to address any signs of an oil leak promptly to safeguard your vehicle's performance and ensure your safety on the road.

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2016 Mercedes-Benz G65 AMG Leaking Oil: Causes & Repairs