2017 Mercedes-Benz B250e Is Leaking Oil

Address Oil Leaks in Your 2017 Mercedes-Benz B250e Effectively

Find Repair Location
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 2017 Mercedes-Benz B250e 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 2017 Mercedes-Benz B250e 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.

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 potential causes of an oil leak in a 2017 Mercedes-Benz B250e, and how should I diagnose it?

When diagnosing an oil leak in your 2017 Mercedes-Benz B250e, it's essential to start with a thorough visual inspection. Begin by checking under the vehicle for any visible signs of oil pooling or streaks, which can indicate the source of the leak. Next, monitor your oil levels regularly; a significant drop in oil can signal a leak that needs immediate attention. Pay close attention to the gaskets and seals, as these components often wear out over time and can be a common culprit. Inspect the oil pan and drain plug for any cracks or looseness, as these areas are prone to damage. Additionally, examine the oil filter and its housing, as a faulty filter can lead to leaks. Don't overlook the oil cooler lines, which can degrade and cause oil to seep out. Lastly, keep an eye on the valve cover gasket, as leaks here can also contribute to oil loss. By following this diagnostic approach, you can systematically identify and address the source of the oil leak, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2017 Mercedes-Benz B250e?

When dealing with oil leaks in a 2017 Mercedes-Benz B250e, 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 deteriorate over time, leading to leaks. Additionally, the valve cover gasket is another area to inspect, as it can wear out and allow oil to escape from the top of the engine. Another potential source of leaks is the oil filter housing gasket; if this component is faulty, it can result in oil seeping around the oil filter area. Furthermore, oil cooler lines are susceptible to leaks, which can cause oil to seep into the engine compartment. Lastly, cracked or damaged oil seals, particularly those surrounding the crankshaft or camshaft, can also contribute to oil leaks. Addressing these issues promptly is essential to prevent further engine damage and maintain optimal vehicle performance. Regular inspections and maintenance can help DIY enthusiasts catch these problems early, ensuring a smoother and more reliable driving experience.

How urgent is it to address the oil leak in my 2017 Mercedes-Benz B250e?

Addressing an oil leak in your 2017 Mercedes-Benz B250e is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring an oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components, increasing the risk of severe engine damage. Furthermore, a leaking oil system can cause the engine to overheat, potentially resulting in a breakdown that could leave you stranded. The safety implications are also considerable, as oil dripping onto hot engine parts can create a fire hazard, putting both you and your vehicle at risk. By tackling the oil leak promptly, you not only safeguard your engine's health but also prevent more extensive and costly repairs down the line. Therefore, if you notice any signs of an oil leak, it is crucial to act swiftly to maintain the performance and safety of your Mercedes-Benz B250e.

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.