2013 Mercedes-Benz GLK350 Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2013 Mercedes-Benz GLK350 and How to Address Them

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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 2013 Mercedes-Benz GLK350 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 GLK350 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 are the initial steps to diagnose the oil leak in a 2013 Mercedes-Benz GLK350?

To begin diagnosing an oil leak in your 2013 Mercedes-Benz GLK350, start by thoroughly inspecting the engine compartment. This initial examination is vital as it allows you to visually assess the area for any signs of oil accumulation or leaks. Next, pay attention to any symptoms of an oil leak, such as visible oil stains or puddles forming beneath the vehicle, which can indicate where the leak may be originating. Additionally, focus on the front of the engine, particularly around the noise damper, as this area is often a common source of leaks. By systematically following these steps, you can effectively narrow down the potential causes of the oil leak and prepare for any necessary repairs.

What are the common causes of oil leaks in a 2013 Mercedes-Benz GLK350?

When dealing with oil leaks in a 2013 Mercedes-Benz GLK350, it's essential to understand the common problems that can arise. One frequent culprit is the degraded oil pan gasket, which can wear down over time, leading to noticeable oil seepage. Additionally, valve cover gaskets are prone to wear as the vehicle ages, often resulting in leaks that can be detected around the engine's top. Another area to inspect is the oil filter housing gasket, which can fail and cause oil to leak, potentially creating a mess in the engine compartment. Timing cover leaks are also a concern, often stemming from issues with the gasket or seal, while oil cooler seals can deteriorate, leading to further oil leaks. Regular maintenance and inspections are crucial for DIY enthusiasts to catch these problems early, ensuring the longevity of their vehicle and preventing more severe damage down the line.

How urgent is it to address the oil leak in a 2013 Mercedes-Benz GLK350?

Addressing an oil leak in your 2013 Mercedes-Benz GLK350 is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to a rapid decrease in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication can result in increased friction, leading to premature wear and tear, and ultimately, catastrophic engine damage. Furthermore, if left unchecked, the leak can cause the engine to overheat, a situation that could escalate into costly repairs or even complete engine failure. Beyond mechanical concerns, an oil leak poses serious safety risks. Oil dripping onto hot engine parts can ignite, creating a fire hazard that endangers both the vehicle and its occupants. Therefore, it is imperative to address any signs of an oil leak promptly to safeguard your vehicle's performance and ensure safe driving conditions.

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