2016 Mercedes-Benz GLE300d Is Leaking Oil

Address Oil Leaks in Your 2016 Mercedes-Benz GLE300d 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 GLE300d 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 GLE300d 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 GLE300d?

To effectively diagnose an oil leak in a 2016 Mercedes-Benz GLE300d, begin with a comprehensive visual inspection of the engine bay and undercarriage, concentrating on critical areas such as the oil pan, oil filter, and drain plug for any visible signs of oil. Following this, check the oil levels to see if there has been a significant drop, which could indicate a leak. If the source of the leak is still unclear, consider introducing UV dye into the engine oil; this method will help illuminate the leak under UV light, making it easier to locate. Conducting a pressure test on the oil system can also be advantageous, as it can reveal leaks that are not immediately visible. Pay special attention to gaskets and seals, particularly the valve cover and oil pan gaskets, as these are common sources of leaks. Additionally, inspect all oil hoses and lines for any signs of wear or loose connections, and ensure that the oil filter is properly installed. If these diagnostic steps do not uncover the source of the leak, it may be prudent to consult a qualified mechanic for a more thorough evaluation. By following this methodical approach, you can effectively identify and address the oil leak issue in your vehicle.

What are the common causes of oil leaks in a 2016 Mercedes-Benz GLE300d?

When dealing with oil leaks in a 2016 Mercedes-Benz GLE300d, it's essential to understand the common problems that can lead to this issue. One of the primary causes is a deteriorating oil pan gasket, which can wear down over time and result in oil seepage. Additionally, issues with various oil system components, such as seals and gaskets, can contribute to leaks. Regular inspections and maintenance are crucial, as they allow you to identify these problems early on. If you notice any signs of oil leaking, it's advisable to address the issue promptly to prevent further damage to your vehicle. By being proactive and knowledgeable about these common causes, you can effectively manage and potentially resolve oil leak issues in your GLE300d.

How urgent is it to address the oil leak in my 2016 Mercedes-Benz GLE300d?

Addressing an oil leak in your 2016 Mercedes-Benz GLE300d is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, resulting in inadequate lubrication. This can cause increased friction, which may ultimately damage the engine and lead to costly repairs. Moreover, an oil leak poses serious safety risks, as oil can drip onto hot engine parts, creating a fire hazard. Ignoring these symptoms can escalate the problem, leading to more extensive damage and higher repair costs down the line. Therefore, it is crucial to act swiftly and address any oil leaks to ensure the safe and efficient operation of your vehicle. Taking prompt action not only protects your investment but also enhances your safety on the road.

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