2019 Mercedes-Benz S63 AMG Is Leaking Oil

Address Oil Leaks in Your 2019 Mercedes-Benz S63 AMG Effectively

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Reviewed by
Aisha
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 S63 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 S63 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 steps should I take to diagnose the oil leak in my 2019 Mercedes-Benz S63 AMG?

When diagnosing an oil leak in your 2019 Mercedes-Benz S63 AMG, it's essential to adopt a systematic approach that begins with the most straightforward checks. Start by locating the leak; inspect the area beneath your vehicle for any oil drips or pooling, as well as looking for oil stains on the engine and surrounding components. Next, check the oil level in your engine; a significant drop may indicate a leak that needs immediate attention. After confirming the oil level, focus on inspecting gaskets and seals, particularly the valve cover gasket, oil pan gasket, and oil filter housing gasket, for any signs of wear or damage. Additionally, examine all oil hoses and lines for cracks or loose connections, ensuring that everything is secure. If the source of the leak remains elusive, consider using UV dye in the engine oil, which can help illuminate the leak under UV light after running the engine for a short period. If these steps do not lead to a clear diagnosis, consulting a qualified mechanic is advisable, as they possess the expertise and tools necessary for more complex issues. By following this diagnostic approach, you can effectively identify and address the oil leak, ensuring your vehicle remains in excellent condition.

What are the common causes of oil leaks in a 2019 Mercedes-Benz S63 AMG?

When dealing with oil leaks in a 2019 Mercedes-Benz S63 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 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. Addressing these issues promptly is vital to prevent further engine damage, and regular inspections can help DIY enthusiasts catch these problems early, ensuring their vehicle remains in optimal condition.

How urgent is it to address an oil leak in a 2019 Mercedes-Benz S63 AMG?

Addressing an oil leak in a 2019 Mercedes-Benz S63 AMG is of utmost urgency due to the serious implications it can have on both the vehicle's performance and safety. An oil leak can lead to a significant loss of lubrication, which is essential for the smooth operation of the engine. Without adequate lubrication, engine components can experience increased friction and heat, potentially resulting in severe damage that could require costly repairs. Moreover, neglecting an oil leak can lead to a gradual decrease in oil levels, causing premature wear on critical engine parts and ultimately shortening the lifespan of the vehicle. Additionally, the presence of leaking oil poses a safety hazard; it can drip onto hot engine components, creating a fire risk that could endanger both the vehicle and its occupants. Therefore, it is crucial for DIY enthusiasts to regularly monitor oil levels and address any leaks immediately to maintain the performance, safety, and longevity of their Mercedes-Benz S63 AMG. Taking prompt action not only protects the engine but also ensures a safer driving experience.

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