2016 Mercedes-Benz C63 AMG S Is Leaking Oil

Address Oil Leaks in Your 2016 Mercedes-Benz C63 AMG S Effectively

Find Repair Location
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 2016 Mercedes-Benz C63 AMG S 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 C63 AMG S 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 steps to diagnose the oil leak in a 2016 Mercedes-Benz C63 AMG S?

To effectively diagnose an oil leak in a 2016 Mercedes-Benz C63 AMG S, start with a thorough visual inspection of the engine and the area beneath the vehicle. Look for any signs of oil pooling or dripping, as this can provide immediate clues about the leak's source. Next, check the oil levels to assess if there has been a significant loss, which may indicate a leak. Pay special attention to the oil filter and drain plug, ensuring they are secure and free from leaks. Inspecting gaskets and seals is also crucial, as worn or damaged components can lead to oil escaping from the engine. If the source remains elusive, consider performing a pressure test on the oil system to help identify any hidden leaks. For a more advanced approach, adding UV dye to the oil can assist in pinpointing the leak when illuminated with a UV light. If these methods do not yield results or if you feel uncertain about the diagnosis, consulting a qualified mechanic is advisable to ensure proper identification and repair of the issue. By following this structured diagnostic approach, you can systematically address the oil leak and maintain the performance of your vehicle.

What are the common causes of oil leaks in a 2016 Mercedes-Benz C63 AMG S?

When diagnosing oil leaks in a 2016 Mercedes-Benz C63 AMG S, 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 around the oil filter, making it essential to check during maintenance. Additionally, the seals surrounding the oil cooler can also degrade, contributing to oil leaks in that area. Lastly, the rear main seal is another potential source of leaks, as it can wear out and allow oil to escape from the back of the engine. Addressing these issues promptly is vital to prevent further engine damage, and regular inspections can help catch these problems early, ensuring your vehicle remains in optimal condition.

How urgent is it to address the oil leak in my 2016 Mercedes-Benz C63 AMG S?

When dealing with an oil leak in your 2016 Mercedes-Benz C63 AMG S, the urgency of the situation cannot be overstated. Ignoring this issue can lead to severe engine damage due to inadequate lubrication, which increases friction and heat within the engine components. This not only jeopardizes the performance of your vehicle but can also result in costly repairs that could have been avoided with timely intervention. Additionally, oil leaks pose environmental risks, as spilled oil can contaminate soil and water sources, making it imperative to act quickly. Safety is another critical factor; oil on the road can create slippery conditions, heightening the risk of accidents for you and other drivers. By addressing the leak promptly, you not only protect your vehicle's integrity but also contribute to a safer driving environment. For those considering a DIY approach, it’s essential to assess the severity of the leak and gather the necessary tools and materials to ensure a proper fix. Taking immediate action can save you money and prevent further complications, making it clear that addressing an oil leak is not just a matter of convenience, but a crucial step in vehicle maintenance.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.