2015 Mercedes GLA 250: Cheap repair for Fault Code P052E Crankcase Vent Valve P0597 Thermostat

Summary

In this video, the presenter tackles a P052E error code related to the crankcase ventilation valve on a 2015 Mercedes GLA 250. With an engaging and informative approach, he shares his experience with this issue, highlighting the cost-effective solution of replacing only the faulty valve instead of the entire system, which can be prohibitively expensive. Throughout the process, he emphasizes the importance of proper maintenance, discusses the steps involved in replacing both the crankcase valve and thermostat, and offers tips for DIY repairs, all while maintaining a light-hearted and practical tone.

Takeaways

• 🔧 The Mercedes GLA 250 is facing a P052E error code, indicating a crankcase ventilation valve malfunction.
• 🚗 The GLA 250 model discussed is a 2015 edition with special trim and features, making it a limited version.
• 💰 Dealer replacement of the crankcase ventilation system costs around $638 plus labor, potentially reaching $2000 in total.
• 🛠️ The speaker plans to replace only the faulty crankcase ventilation valve instead of the entire system, which can save significant money and time.
• 📦 The replacement part can be found for about $63 to $70, offering a substantial cost saving compared to dealer prices.
• ⏳ The installation process will take around 3 to 4 hours, much less than the dealer's labor-intensive procedure.
• 🔌 The crankcase ventilation valve is located under the intake manifold, requiring the removal of multiple components to access.
• ⚙️ While replacing the thermostat, it's advisable to consider replacing the crankcase ventilation valve at the same time for efficiency.
• 🔎 The speaker provides insights on the importance of properly splicing and sealing connections to prevent future leaks.
• ✅ After installation, the check engine light was resolved, although another code (P06DA) remains, indicating it might be a non-critical issue.

Q & A

What is the primary issue being addressed in the video?

The primary issue is the P052E error code, which indicates a crankcase ventilation valve malfunction in a 2015 Mercedes GLA 250.

What does the narrator suggest about the cost of replacing the crankcase ventilation valve at a dealership?

The narrator mentions that replacing the entire crankcase ventilation system at a dealership could cost around $700, plus additional labor charges.

How much does the narrator say it will cost to replace just the crankcase ventilation valve?

The narrator states that purchasing just the crankcase ventilation valve can cost around $70, significantly less than the dealership's price.

What is the connection between the crankcase ventilation valve and the thermostat in this repair?

The narrator plans to replace both the crankcase ventilation valve and the thermostat simultaneously since removing the intake manifold for one repair allows access for the other.

What tools does the narrator mention needing for this repair?

The narrator mentions needing a number 10 socket for unhooking the battery and tools to cut hoses, such as tin snips or heavy-duty scissors.

What specific advice does the narrator give regarding the installation process of the new crankcase ventilation valve?

The narrator suggests splicing the new part into the existing system at the air oil separator, which he believes will be easier than replacing the entire unit.

What experience does the narrator reference that supports his approach to the repair?

The narrator references his previous successful experience with a similar repair on his GLC 300, where he replaced just the malfunctioning part instead of the entire system.

What precaution does the narrator take to prevent the electrical connection from getting damaged?

The narrator uses a small screwdriver to lift the gray tab on the electrical connection, ensuring that he safely disconnects it without causing damage.

How does the narrator ensure that the new valve installation is secure?

After installing the new valve, the narrator uses pliers to secure the Mercedes clamp and also applies zip ties to hold the heat shield in place.

What does the narrator do after completing the installation of the new parts?

Once the installation is complete, the narrator reconnects everything, clears the check engine light, and plans to drive the car to see if the issues persist.