2016 Mercedes-Benz GLE350 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2016 Mercedes-Benz GLE350 and How to Address Them

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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 GLE350 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 GLE350 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 steps should I take to diagnose the oil leak in my 2016 Mercedes-Benz GLE350?

When diagnosing an oil leak in your 2016 Mercedes-Benz GLE350, it's crucial to follow a methodical diagnostic approach that emphasizes simpler checks before tackling more complex issues. Begin by assessing the engine oil level using the dipstick or the electronic oil monitor, as this initial step can indicate whether the leak is significant enough to require further investigation. Next, focus on the valve cover gaskets, which are notorious for leaking in Mercedes-Benz models; inspect them closely for any visible signs of oil seepage. Additionally, check the Active Curve System reservoir, ensuring that the oil level is above the minimum mark and that there are no leaks from the vent holes in the cap. If these preliminary checks do not pinpoint the source of the leak, it may be prudent to consult a trusted mechanic for a comprehensive inspection. By adhering to this structured approach, you can effectively identify and resolve the oil leak issue in your vehicle, ensuring its optimal performance.

What are the common causes of oil leaks in a 2016 Mercedes-Benz GLE350?

When dealing with oil leaks in a 2016 Mercedes-Benz GLE350, 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 area to inspect 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, contributing to oil leaks, while problems with the timing cover or its gasket can also be a source of oil loss. Addressing these leaks promptly is vital to prevent further engine damage, and regular maintenance checks can help you catch these issues early, ensuring your GLE350 runs smoothly.

How urgent is it to address the oil leak in my 2016 Mercedes-Benz GLE350?

Addressing an oil leak in your 2016 Mercedes-Benz GLE350 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Ignoring an oil leak can lead to dangerously low oil levels, which significantly compromises engine lubrication. This lack of lubrication increases friction among engine components, potentially resulting in severe damage that could require costly repairs or even engine replacement. Furthermore, a persistent oil leak can diminish your vehicle's performance and efficiency, leading to unexpected breakdowns that could leave you stranded. Beyond the mechanical implications, there are environmental concerns to consider; oil leaks can contaminate soil and water sources, posing a risk to local ecosystems. Therefore, it is essential to act swiftly and address any oil leaks to ensure the longevity of your vehicle and protect the environment.

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