2020 Mercedes-Benz E53 AMG Is Leaking Oil

Troubleshooting Oil Leaks in Your 2020 Mercedes-Benz E53 AMG: Causes and Repair Solutions

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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 2020 Mercedes-Benz E53 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 2020 Mercedes-Benz E53 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 are the potential causes of an oil leak in a 2020 Mercedes-Benz E53 AMG, and how should I diagnose them?

When diagnosing an oil leak in your 2020 Mercedes-Benz E53 AMG, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex issues. Start with a thorough visual inspection of the engine bay and the area beneath the vehicle to identify any visible signs of oil accumulation. Pay close attention to common culprits such as worn gaskets, which can degrade over time, and ensure that the oil drain plug is securely tightened, as a loose or damaged plug can lead to significant oil seepage. Next, monitor your oil levels regularly; a sudden drop can indicate a leak that needs immediate attention. Inspect gaskets and seals for any signs of wear or damage, particularly around the oil filter housing and oil cooler, as these are frequent sources of leaks. If the problem persists, consider conducting a pressure test to help pinpoint the leak's origin. For a more precise diagnosis, adding UV dye to the oil can illuminate the leak's source when viewed under a UV light. If these steps do not yield results, consulting a qualified mechanic is advisable to ensure a thorough evaluation and repair of the issue. By following this structured diagnostic approach, you can effectively identify and address oil leaks in your vehicle, ensuring its optimal performance and longevity.

What are the common causes of oil leaks in a 2020 Mercedes-Benz E53 AMG?

When dealing with oil leaks in a 2020 Mercedes-Benz E53 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 that can compromise engine performance. Additionally, valve cover gaskets are known to deteriorate, resulting in oil escaping from 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. Furthermore, the seals around the oil cooler can also degrade, causing leaks in that area. Lastly, don’t overlook the timing cover, as leaks can occur here due to gasket or seal issues. By being aware of these potential problems, DIY enthusiasts can take proactive steps to inspect and address oil leaks, ensuring their vehicle remains in optimal condition. Regular maintenance and timely repairs are key to preventing more significant engine damage down the line.

How urgent is it to address the oil leak in a 2020 Mercedes-Benz E53 AMG?

When it comes to your 2020 Mercedes-Benz E53 AMG, the urgency of addressing an oil leak cannot be overstated. An oil leak not only compromises the lubrication of essential engine components, leading to increased wear and tear, but it also heightens the risk of engine overheating, which can result in catastrophic failures and expensive repairs. Moreover, the presence of leaking oil poses a significant safety hazard; it can drip onto hot engine parts, creating a fire risk that endangers both the vehicle and its occupants. By promptly addressing the oil leak, you not only safeguard the performance and longevity of your vehicle but also ensure a safer driving experience. Ignoring these symptoms can lead to severe consequences, making it imperative to take action as soon as possible.

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