2017 Mercedes-Benz GLE350 Is Leaking Oil

Address Oil Leaks in Your 2017 Mercedes-Benz GLE350 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 2017 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 2017 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 are the initial steps to diagnose an oil leak in a 2017 Mercedes-Benz GLE350?

To effectively diagnose an oil leak in your 2017 Mercedes-Benz GLE350, start with a thorough visual inspection of the engine and the area beneath the vehicle. Look for any visible signs of oil, such as puddles or drips, particularly around the oil pan, oil filter, and oil drain plug, as these are common leak points. Next, check the oil levels in the engine; a significant drop may indicate an ongoing leak that needs attention. Pay close attention to the oil filter and its gasket, as any damage here can lead to leaks. Additionally, inspect the valve cover gasket for wear, as a compromised gasket can also result in oil seeping out. Don’t forget to ensure that the oil drain plug is securely tightened, as a loose or damaged plug can contribute to oil loss. If the source of the leak remains elusive, consider using UV dye in the oil, which can help illuminate the leak's origin under UV light. By following these steps, you can systematically identify and address the source of the oil leak, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2017 Mercedes-Benz GLE350?

When dealing with oil leaks in a 2017 Mercedes-Benz GLE350, it's essential to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear down over time, leading to leaks. Similarly, worn valve cover gaskets often become brittle and cracked, allowing oil to escape. Another potential source of leaks is the oil filter housing gasket; if this component is damaged, it can result in significant oil seepage. Additionally, oil cooler lines are susceptible to wear and tear, which can lead to leaks as well. Lastly, don’t overlook the oil seals, such as the crankshaft and camshaft seals, as these can also deteriorate and cause oil to leak. Addressing these issues promptly is crucial to prevent further engine damage, and regular maintenance checks can help identify these problems early, making it easier for DIY enthusiasts to tackle repairs effectively.

How urgent is it to address the oil leak in my 2017 Mercedes-Benz GLE350?

Addressing an oil leak in your 2017 Mercedes-Benz GLE350 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. Early detection of an oil leak can save you from more extensive and costly repairs down the line, as neglecting the problem can lead to a significant drop in oil levels. This reduction in oil can compromise the lubrication of essential engine components, increasing the risk of severe engine damage. Furthermore, oil leaks pose environmental hazards, as spilled oil can contaminate soil and water sources, contributing to pollution. Safety is another major concern; oil on the road can create slippery conditions, endangering both you and other drivers. Therefore, it is imperative to act swiftly and have the leak inspected and repaired by a qualified mechanic to ensure the safety, performance, and longevity of your vehicle.

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