2023 Mercedes-Benz GLA45 AMG Is Leaking Oil

Address Oil Leaks in Your 2023 Mercedes-Benz GLA45 AMG Promptly

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Reviewed by
Devin Cabugcal
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 2023 Mercedes-Benz GLA45 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 2023 Mercedes-Benz GLA45 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

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 first steps to diagnose an oil leak in a 2023 Mercedes-Benz GLA45 AMG?

To effectively diagnose an oil leak in your 2023 Mercedes-Benz GLA45 AMG, start by carefully inspecting the engine bay and the area beneath the vehicle for any visible signs of oil. Look for puddles or drips that could indicate the leak's source. Next, check the oil level in the engine; a significant drop may suggest a serious leak that needs immediate attention. Pay close attention to the oil filter and drain plug, as these components can often be the culprits behind leaks—tighten or replace them if you notice any looseness. Additionally, examine the gaskets and seals, particularly the valve cover gasket and oil pan gasket, since these are common areas where leaks occur. If the source remains elusive, consider adding UV dye to the oil, which can help illuminate the leak under UV light. Finally, if necessary, perform a pressure test on the oil system to identify leaks in hoses or fittings. By following these steps, you can systematically diagnose the issue and take the appropriate actions to resolve the oil leak.

What are the common causes of oil leaks in a 2023 Mercedes-Benz GLA45 AMG?

When dealing with oil leaks in a 2023 Mercedes-Benz GLA45 AMG, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to significant leaks. Additionally, a faulty valve cover gasket can also contribute to oil seepage, often resulting in visible oil accumulation around the engine. Another potential source of leaks is the oil filter housing gasket; if this component is compromised, it can allow oil to escape. Furthermore, the seals around the oil cooler may deteriorate, leading to leaks that can be challenging to spot. Lastly, various oil seals throughout the engine can crack or wear out, causing oil to leak from multiple points. To effectively tackle these issues, regular maintenance and inspections are essential, as they can help you catch and resolve oil leaks early, ensuring your vehicle runs smoothly and efficiently.

How urgent is it to address the oil leak in my 2023 Mercedes-Benz GLA45 AMG?

Addressing an oil leak in your 2023 Mercedes-Benz GLA45 AMG is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, resulting in inadequate lubrication that may cause severe engine damage. Moreover, the safety risks associated with oil leaks cannot be overlooked. Oil dripping onto hot engine parts can ignite, posing a serious fire hazard. Additionally, neglecting the repair can escalate the problem, leading to more extensive and costly damage over time. By addressing the oil leak promptly, you not only safeguard your vehicle's performance but also protect yourself and others on the road from potential dangers. Therefore, if you notice any signs of an oil leak, it is crucial to take action without delay to ensure the longevity and safety of your Mercedes-Benz GLA45 AMG.

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