2019 Mercedes-Benz GLE43 AMG Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2019 Mercedes-Benz GLE43 AMG 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 2019 Mercedes-Benz GLE43 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 2019 Mercedes-Benz GLE43 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 steps should be taken to diagnose the oil leak in a 2019 Mercedes-Benz GLE43 AMG?

To effectively diagnose an oil leak in your 2019 Mercedes-Benz GLE43 AMG, start with a thorough visual inspection of both the engine and the area beneath the vehicle. Look for any signs of oil pooling or dripping, as these can indicate the leak's source. Next, check the oil levels to assess if there has been a significant loss, which may confirm the presence of a leak. Pay special attention to the oil filter and drain plug; ensure they are secure and free from leaks, tightening or replacing them if necessary. Inspect the gaskets and seals around critical components like the oil pan and valve cover for any signs of wear or damage. If the leak remains elusive, consider performing a pressure test on the oil system to uncover hidden leaks. For a more precise diagnosis, adding UV dye to the engine oil can help you pinpoint the leak's location when using a UV light. If these steps do not reveal the source of the leak, it may be time to consult a qualified mechanic for a more comprehensive evaluation. By following this structured approach, you can efficiently identify and address oil leaks, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2019 Mercedes-Benz GLE43 AMG?

When dealing with oil leaks in a 2019 Mercedes-Benz GLE43 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 and lead to noticeable leaks. Additionally, valve cover gaskets are prone to deterioration, often resulting in oil seeping from the top of the engine. Another area to inspect is the oil filter housing gasket; if this component fails, it can create leaks around the oil filter, making it essential to check during routine maintenance. The oil cooler seals are also susceptible to wear, and leaks from this area can indicate a need for replacement. Lastly, the rear main seal, located at the back of the engine, can develop leaks as it ages, leading to oil seepage that should not be ignored. By being aware of these common issues and conducting regular inspections, DIY enthusiasts can effectively manage oil leaks and maintain the performance of their vehicle.

How urgent is it to address the oil leak in my 2019 Mercedes-Benz GLE43 AMG?

Addressing an oil leak in your 2019 Mercedes-Benz GLE43 AMG is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can significantly reduce the oil levels in your engine, leading to inadequate lubrication of vital 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 prioritize the repair of any oil leaks to safeguard your vehicle's performance and ensure your safety on the road.

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