2013 Mercedes-Benz S600 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Mercedes-Benz S600 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 2013 Mercedes-Benz S600 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 2013 Mercedes-Benz S600 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 2013 Mercedes-Benz S600?

To effectively diagnose an oil leak in your 2013 Mercedes-Benz S600, begin by locating the source of the leak. This involves checking under the vehicle for any visible oil drips or pooling, as well as inspecting the engine and transmission for oil stains or wet spots. Next, verify the oil level in the engine; a significant drop may indicate a leak. Focus on common culprits such as gaskets and seals, including the valve cover gasket and oil pan gasket, as these are frequent sources of leaks. Additionally, examine the oil filter for any signs of damage or leakage, and ensure that the oil drain plug is secure. If the leak remains elusive, consider using UV dye in the engine oil, which can help pinpoint the source when illuminated with a UV light. If these steps do not yield results, or if the situation appears complex, consulting a professional mechanic is advisable for a thorough inspection and repair plan. By following this diagnostic approach, you can systematically identify and address the oil leak issue in your vehicle.

What are the common causes of oil leaks in a 2013 Mercedes-Benz S600?

When dealing with oil leaks in a 2013 Mercedes-Benz S600, 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 are another common source of oil seepage, as they can lose their integrity with age. Additionally, a faulty oil filter housing gasket can create leaks in the engine compartment, while oil cooler lines may develop leaks due to general wear and tear. Lastly, cracked or damaged oil seals around critical components like the crankshaft or camshaft can also contribute to oil leaks. By being aware of these potential issues, DIYers can perform regular maintenance and inspections to catch problems early, ensuring the longevity and performance of their vehicle.

How urgent is it to address the oil leak in my 2013 Mercedes-Benz S600?

Addressing an oil leak in your 2013 Mercedes-Benz S600 is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can lead to severe engine damage due to the loss of lubrication, which increases friction and heat, potentially resulting in costly repairs or even complete engine failure. Moreover, neglecting this issue can diminish your vehicle's performance and efficiency, making it less reliable on the road. The safety risks are equally concerning, as leaking oil can drip onto hot engine components, creating a fire hazard. Additionally, over time, a significant loss of oil can occur, further jeopardizing your engine's health. Therefore, it is crucial to act swiftly and address any signs of an oil leak to maintain the safety, performance, and longevity of your Mercedes-Benz S600.

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